diff --git a/index.html b/index.html
index dbd162f7..338f9288 100644
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+++ b/index.html
@@ -1490,7 +1490,7 @@
 </style>
   <meta content="Bikeshed version b06c00b8e, updated Tue Jul 11 13:41:16 2023 -0700" name="generator">
   <link href="https://aomediacodec.github.io/iamf/" rel="canonical">
-  <meta content="7278dc8a28a84afcb6423e5fc037d66b491a50f2" name="document-revision">
+  <meta content="a2326e8aa69beab94143d4b023af5b8df18ae40a" name="document-revision">
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 .css.css, .property.property, .descriptor.descriptor {
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@@ -2107,12 +2107,12 @@ <h2 class="no-num no-toc no-ref" id="contents">Table of Contents</h2>
      <a href="#standalone"><span class="secno">5</span> <span class="content">Standalone IAMF Representation</span></a>
      <ol class="toc">
       <li>
-       <a href="#standalone-obu-sequence-order"><span class="secno">5.1</span> <span class="content">OBU Sequence Order</span></a>
+       <a href="#standalone-ia-sequence"><span class="secno">5.1</span> <span class="content">IA Sequence</span></a>
        <ol class="toc">
         <li><a href="#standalone-descriptor-obus"><span class="secno">5.1.1</span> <span class="content">Descriptor OBUs</span></a>
         <li><a href="#standalone-iadata-obus"><span class="secno">5.1.2</span> <span class="content">IA Data OBUs</span></a>
-        <li><a href="#standalone-obu-sequence-refreshes"><span class="secno">5.1.3</span> <span class="content">Refreshing Descriptor OBUs</span></a>
        </ol>
+      <li><a href="#standalone-iamf-configuration-changes"><span class="secno">5.2</span> <span class="content">IAMF Configuration Changes</span></a>
      </ol>
     <li>
      <a href="#isobmff"><span class="secno">6</span> <span class="content">ISOBMFF IAMF Encapsulation</span></a>
@@ -3635,17 +3635,16 @@ <h3 class="heading settled" data-level="4.2" id="profiles-base"><span class="sec
    </ul>
    <h2 class="heading settled" data-level="5" id="standalone"><span class="secno">5. </span><span class="content">Standalone IAMF Representation</span><a class="self-link" href="#standalone"></a></h2>
    <p>This section details the order in which the OBUs are sequenced in a standalone IAMF representation.</p>
-   <h3 class="heading settled" data-level="5.1" id="standalone-obu-sequence-order"><span class="secno">5.1. </span><span class="content">OBU Sequence Order</span><a class="self-link" href="#standalone-obu-sequence-order"></a></h3>
-   <p>An <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="ia-sequence">IA Sequence</dfn> is composed of a series of OBUs in the sequence of a set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑤">Descriptors</a> followed by their associated <a data-link-type="dfn" href="#ia-data" id="ref-for-ia-data②">IA Data</a>s.</p>
-   <p class="note" role="note"><span class="marker">NOTE:</span> In a typical case, the first <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑥">Descriptors</a> of the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤①">IA Sequence</a> are all non-redundant (i.e. <a data-link-type="dfn" href="#obu_redundant_copy" id="ref-for-obu_redundant_copy⑧">obu_redundant_copy</a> = 0). When two <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤②">IA Sequence</a>s are concatenated, every OBU of the first <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑦">Descriptors</a> of the second <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤③">IA Sequence</a> is markded as non-redundant (i.e. <a data-link-type="dfn" href="#obu_redundant_copy" id="ref-for-obu_redundant_copy⑨">obu_redundant_copy</a> = 0).</p>
-   <p>The <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑧">Descriptors</a> MAY additionally be repeated redundantly and as frequently as necessary. In this case, the <a data-link-type="dfn" href="#obu_redundant_copy" id="ref-for-obu_redundant_copy①⓪">obu_redundant_copy</a> field in their OBU headers SHALL be set to 1.</p>
-   <p>The below figure shows an example of <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤④">IA Sequence</a>.</p>
+   <h3 class="heading settled" data-level="5.1" id="standalone-ia-sequence"><span class="secno">5.1. </span><span class="content">IA Sequence</span><a class="self-link" href="#standalone-ia-sequence"></a></h3>
+   <p>An <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="ia-sequence">IA Sequence</dfn> is composed of a series of OBUs in the sequence of a set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑤">Descriptors</a> followed by their associated <a data-link-type="dfn" href="#ia-data" id="ref-for-ia-data②">IA Data</a>.</p>
+   <p>The <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑥">Descriptors</a> MAY additionally be repeated redundantly and as frequently as necessary. In this case, the <a data-link-type="dfn" href="#obu_redundant_copy" id="ref-for-obu_redundant_copy⑧">obu_redundant_copy</a> field in their OBU headers SHALL be set to 1. Within an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤①">IA Sequence</a>, each OBU in the first <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑦">Descriptors</a> SHALL be regarded as a non-redundant OBU regardless of the value of its <a data-link-type="dfn" href="#obu_redundant_copy" id="ref-for-obu_redundant_copy⑨">obu_redundant_copy</a>.</p>
+   <p>The figure below shows an example of an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤②">IA Sequence</a>.</p>
    <center><img height="410" src="images/IA sequence.png" style="width:100%; height:auto;" width="1426"></center>
    <center>
-    <figcaption>Example of Immersive Audio Sequence</figcaption>
+    <figcaption>Example of an Immersive Audio Sequence</figcaption>
    </center>
    <h4 class="heading settled" data-level="5.1.1" id="standalone-descriptor-obus"><span class="secno">5.1.1. </span><span class="content">Descriptor OBUs</span><a class="self-link" href="#standalone-descriptor-obus"></a></h4>
-    A set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑨">Descriptors</a> SHALL be placed in the following order regardless of where they appear in the bitstream: 
+    A set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑧">Descriptors</a> SHALL be placed in the following order regardless of where they appear in the bitstream: 
    <ol>
     <li data-md>
      <p>One <a data-link-type="dfn" href="#ia-sequence-header-obu" id="ref-for-ia-sequence-header-obu③">IA Sequence Header OBU</a></p>
@@ -3671,17 +3670,14 @@ <h4 class="heading settled" data-level="5.1.2" id="standalone-iadata-obus"><span
    <p>Additionally, the following constraints apply to the <a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③②">Audio Frame OBU</a>s and <a data-link-type="dfn" href="#parameter-block-obu" id="ref-for-parameter-block-obu②④">Parameter Block OBU</a>s:</p>
    <ul>
     <li data-md>
-     <p><a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③③">Audio Frame OBU</a>s SHALL be provided non-redundantly, such that for each <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑦⑤">Audio Substream</a>, there are no two <a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③④">Audio Frame OBU</a>s that are overlapping in time.</p>
+     <p><a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③③">Audio Frame OBU</a>s SHALL be provided non-redundantly (i.e., <a data-link-type="dfn" href="#obu_redundant_copy" id="ref-for-obu_redundant_copy①⓪">obu_redundant_copy</a> = 0), such that for each <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑦⑤">Audio Substream</a>, there are no two <a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③④">Audio Frame OBU</a>s that are overlapping in time.</p>
     <li data-md>
      <p>Non-redundant <a data-link-type="dfn" href="#parameter-block-obu" id="ref-for-parameter-block-obu②⑤">Parameter Block OBU</a>s SHALL NOT provide data for overlapping time regions.</p>
    </ul>
-   <h4 class="heading settled" data-level="5.1.3" id="standalone-obu-sequence-refreshes"><span class="secno">5.1.3. </span><span class="content">Refreshing Descriptor OBUs</span><a class="self-link" href="#standalone-obu-sequence-refreshes"></a></h4>
-   <p>The above describes the full sequence of OBUs for a given set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②⓪">Descriptors</a> and their associated <a data-link-type="dfn" href="#ia-data" id="ref-for-ia-data④">IA Data</a>.</p>
-   <p>If the IAMF configuration changes, a new set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②①">Descriptors</a> is REQUIRED. In that case, a new <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑤">IA Sequence</a> of the complete set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②②">Descriptors</a> and their corresponding <a data-link-type="dfn" href="#ia-data" id="ref-for-ia-data⑤">IA Data</a>s SHALL follow, in the same order as described above.</p>
-   <ul>
-    <li data-md>
-     <p>Each OBU of the <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②③">Descriptors</a> of the new <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑥">IA Sequence</a> SHALL be marked as non-redundant (i.e. <a data-link-type="dfn" href="#obu_redundant_copy" id="ref-for-obu_redundant_copy①①">obu_redundant_copy</a> = 0 in the OBU header).</p>
-   </ul>
+   <h3 class="heading settled" data-level="5.2" id="standalone-iamf-configuration-changes"><span class="secno">5.2. </span><span class="content">IAMF Configuration Changes</span><a class="self-link" href="#standalone-iamf-configuration-changes"></a></h3>
+   <p>If the IAMF configuration changes, a new set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①①⑨">Descriptors</a> is REQUIRED. In that case, a new <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤③">IA Sequence</a> of the complete set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②⓪">Descriptors</a> and their corresponding <a data-link-type="dfn" href="#ia-data" id="ref-for-ia-data④">IA Data</a> SHALL follow, in the same order as described above.</p>
+   <p>Each OBU in the first set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②①">Descriptors</a> of the new <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤④">IA Sequence</a> SHALL be marked as non-redundant (i.e. <a data-link-type="dfn" href="#obu_redundant_copy" id="ref-for-obu_redundant_copy①①">obu_redundant_copy</a> = 0 in the OBU header).</p>
+   <p class="note" role="note"><span class="marker">NOTE:</span> In a typical case, the OBUs in the first <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②②">Descriptors</a> of an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑤">IA Sequence</a> are all marked as non-redundant. When two <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑥">IA Sequence</a>s are concatenated, every OBU in the first <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②③">Descriptors</a> of the second <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑦">IA Sequence</a> is marked as non-redundant.</p>
    <h2 class="heading settled" data-level="6" id="isobmff"><span class="secno">6. </span><span class="content">ISOBMFF IAMF Encapsulation</span><a class="self-link" href="#isobmff"></a></h2>
    <h3 class="heading settled" data-level="6.1" id="brands"><span class="secno">6.1. </span><span class="content">General Requirements &amp; Brands</span><a class="self-link" href="#brands"></a></h3>
    <p>A file conformant to this specification satisfies the following:</p>
@@ -3699,11 +3695,11 @@ <h3 class="heading settled" data-level="6.1" id="brands"><span class="secno">6.1
    </ul>
    <p>Parsers SHALL support the structures required by the <code><a class="property css" data-link-type="property" href="https://www.iso.org/standard/68960.html#" id="ref-for-something⑦⑤">iso6</a></code> brand and MAY support structures required by further ISOBMFF structural brands.</p>
    <h3 class="heading settled" data-level="6.2" id="isobmff-singletrack"><span class="secno">6.2. </span><span class="content">ISOBMFF IAMF Encapsulation</span><a class="self-link" href="#isobmff-singletrack"></a></h3>
-   <p>This section describes the basic data structures used to signal encapsulation of <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑦">IA Sequence</a> in <a data-link-type="biblio" href="#biblio-isobmff" title="Information technology — Coding of audio-visual objects — Part 12: ISO Base Media File Format">[ISOBMFF]</a> containers.</p>
+   <p>This section describes the basic data structures used to signal encapsulation of <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑧">IA Sequence</a> in <a data-link-type="biblio" href="#biblio-isobmff" title="Information technology — Coding of audio-visual objects — Part 12: ISO Base Media File Format">[ISOBMFF]</a> containers.</p>
    <h4 class="heading settled" data-level="6.2.1" id="isobmff-singletrack-iasequence"><span class="secno">6.2.1. </span><span class="content">Requirement of IA Sequence</span><a class="self-link" href="#isobmff-singletrack-iasequence"></a></h4>
-   <p>Even though an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑧">IA Sequence</a> can theoretically group audio data coded with different codecs, potentially with different timing properties, which would require multiple tracks, this version of the specification only supports storing an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑨">IA Sequence</a> as a single track thanks to the restrictions of the selected profiles.</p>
+   <p>Even though an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑤⑨">IA Sequence</a> can theoretically group audio data coded with different codecs, potentially with different timing properties, which would require multiple tracks, this version of the specification only supports storing an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⓪">IA Sequence</a> as a single track thanks to the restrictions of the selected profiles.</p>
    <h4 class="heading settled" data-level="6.2.2" id="isobmff-singletrack-basicencapsulationscheme"><span class="secno">6.2.2. </span><span class="content">Encapsulation Scheme</span><a class="self-link" href="#isobmff-singletrack-basicencapsulationscheme"></a></h4>
-   <p>The result of encapsulating an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⓪">IA Sequence</a> into an <a data-link-type="biblio" href="#biblio-isobmff" title="Information technology — Coding of audio-visual objects — Part 12: ISO Base Media File Format">[ISOBMFF]</a> file is as follows:</p>
+   <p>The result of encapsulating an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥①">IA Sequence</a> into an <a data-link-type="biblio" href="#biblio-isobmff" title="Information technology — Coding of audio-visual objects — Part 12: ISO Base Media File Format">[ISOBMFF]</a> file is as follows:</p>
    <ul>
     <li data-md>
      <p>If there are audio samples to be trimmed at the start or at the end, the <a class="property css" data-link-type="property" href="https://www.iso.org/standard/68960.html#" id="ref-for-something⑦⑥">edts</a> and <a class="property css" data-link-type="property" href="https://www.iso.org/standard/68960.html#" id="ref-for-something⑦⑦">elst</a> boxes SHALL be present to reflect the trimming status.</p>
@@ -3714,7 +3710,7 @@ <h4 class="heading settled" data-level="6.2.2" id="isobmff-singletrack-basicenca
        <p>An <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample">IA Sample</a> SHALL be associated with only one sample entry, and the <a data-link-type="dfn" href="#configobus" id="ref-for-configobus">configOBUs</a> in that sample entry SHALL contain the <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②④">Descriptors</a> required to process the <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample①">IA Sample</a>. If a different set of <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②⑤">Descriptors</a> is needed, a new sample entry SHALL be defined.</p>
      </ul>
    </ul>
-   <p class="note" role="note"><span class="marker">NOTE:</span> Multiple sample entries may be used in a track, for example when the track is the concatenation of multiple tracks or multiple <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥①">IA Sequence</a>s, and some <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample②">IA Sample</a>s have different <a data-link-type="dfn" href="#configobus" id="ref-for-configobus①">configOBUs</a> values.</p>
+   <p class="note" role="note"><span class="marker">NOTE:</span> Multiple sample entries may be used in a track, for example when the track is the concatenation of multiple tracks or multiple <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥②">IA Sequence</a>s, and some <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample②">IA Sample</a>s have different <a data-link-type="dfn" href="#configobus" id="ref-for-configobus①">configOBUs</a> values.</p>
    <ul>
     <li data-md>
      <p>Decoding Time to IA Sample</p>
@@ -3782,7 +3778,7 @@ <h4 class="heading settled" data-level="6.2.4" id="iasampleformat"><span class="
      <p>The decode duration of an <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample①⓪">IA Sample</a> SHALL equal the duration of the underlying <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit①②">Temporal Unit</a>, i.e. the decode duration of the <a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③⑤">Audio Frame OBU</a>.</p>
    </ul>
    <p class="note" role="note"><span class="marker">NOTE:</span> Per the restriction of the profiles carried in an IA track, all <a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③⑥">Audio Frame OBU</a>s in an <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample①①">IA Sample</a> have the same duration and have the same trimming information. If <a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③⑦">Audio Frame OBU</a>s in the <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample①②">IA Sample</a> contain trimming information, the corresponding audio samples are removed from the presentation using edit list information.</p>
-   <p class="note" role="note"><span class="marker">NOTE:</span> In typical cases, when a track contains a single <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥②">IA Sequence</a>, trimming can only happen at the beginning or the end of the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥③">IA Sequence</a>. Therefore, the edit list can describe the start and end trimming with a single edit entry. A track storing consecutive <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥④">IA Sequence</a>s may need multiple edits in the edit list.</p>
+   <p class="note" role="note"><span class="marker">NOTE:</span> In typical cases, when a track contains a single <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥③">IA Sequence</a>, trimming can only happen at the beginning or the end of the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥④">IA Sequence</a>. Therefore, the edit list can describe the start and end trimming with a single edit entry. A track storing consecutive <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑤">IA Sequence</a>s may need multiple edits in the edit list.</p>
    <h3 class="heading settled" data-level="6.3" id="codecsparameter"><span class="secno">6.3. </span><span class="content">Codecs Parameter String</span><a class="self-link" href="#codecsparameter"></a></h3>
    <p>DASH and other applications require defined values for the <a class="property css" data-link-type="property" href="https://tools.ietf.org/html/rfc6381#" id="ref-for-something⑨⓪">codecs</a> parameter specified in <a data-link-type="biblio" href="#biblio-rfc6381" title="The &apos;Codecs&apos; and &apos;Profiles&apos; Parameters for &quot;Bucket&quot; Media Types">[RFC6381]</a> for ISO Media tracks. The codecs parameter string for <a data-link-type="dfn" href="#codec_id" id="ref-for-codec_id①⑤">codec_id</a> SHALL be:</p>
    <ul>
@@ -3823,17 +3819,17 @@ <h3 class="heading settled" data-level="6.3" id="codecsparameter"><span class="s
    <p>where <code>xxx</code> is three digits to indicate the value of the <a data-link-type="dfn" href="#primary_profile" id="ref-for-primary_profile⑨">primary_profile</a> and <code>yyy</code> is three digits to indicate the value of the <a data-link-type="dfn" href="#additional_profile" id="ref-for-additional_profile⑤">additional_profile</a>.</p>
    <h3 class="heading settled" data-level="6.4" id="isobmff-decapsulation"><span class="secno">6.4. </span><span class="content">ISOBMFF IAMF Decapsulation (Informative)</span><a class="self-link" href="#isobmff-decapsulation"></a></h3>
    <h4 class="heading settled" data-level="6.4.1" id="isobmff-decapsulation-singletrack"><span class="secno">6.4.1. </span><span class="content">Decapsulating an ISOBMFF IAMF File with a Single Track</span><a class="self-link" href="#isobmff-decapsulation-singletrack"></a></h4>
-   <p>This section provides a guideline for IAMF parsers reconstructing <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑤">IA Sequence</a>s from an IAMF file with a single track, as follows.</p>
+   <p>This section provides a guideline for IAMF parsers reconstructing <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑥">IA Sequence</a>s from an IAMF file with a single track, as follows.</p>
    <ol>
     <li data-md>
-     <p>The <a data-link-type="dfn" href="#configobus" id="ref-for-configobus③">configOBUs</a> from the <a data-link-type="dfn" href="#iasampleentry" id="ref-for-iasampleentry②">IASampleEntry</a> are placed at the beginning of the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑥">IA Sequence</a>. These are the <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②⑥">Descriptors</a>.</p>
+     <p>The <a data-link-type="dfn" href="#configobus" id="ref-for-configobus③">configOBUs</a> from the <a data-link-type="dfn" href="#iasampleentry" id="ref-for-iasampleentry②">IASampleEntry</a> are placed at the beginning of the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑦">IA Sequence</a>. These are the <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②⑥">Descriptors</a>.</p>
     <li data-md>
-     <p>Next, place the OBUs from the <code>j = 1, 2, ..., m</code>-th <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample①③">IA Sample</a>s associated with the <a data-link-type="dfn" href="#iasampleentry" id="ref-for-iasampleentry③">IASampleEntry</a> in the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑦">IA Sequence</a>, in order. These form the <code>j = 1, 2, ..., m</code>-th <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit①③">Temporal Unit</a>s.</p>
+     <p>Next, place the OBUs from the <code>j = 1, 2, ..., m</code>-th <a data-link-type="dfn" href="#ia-sample" id="ref-for-ia-sample①③">IA Sample</a>s associated with the <a data-link-type="dfn" href="#iasampleentry" id="ref-for-iasampleentry③">IASampleEntry</a> in the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑧">IA Sequence</a>, in order. These form the <code>j = 1, 2, ..., m</code>-th <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit①③">Temporal Unit</a>s.</p>
      <ul>
       <li data-md>
-       <p>If it is desirable to have <a data-link-type="dfn" href="#temporal-delimiter-obu" id="ref-for-temporal-delimiter-obu⑨">Temporal Delimiter OBU</a>s in the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑧">IA Sequence</a>, insert a <a data-link-type="dfn" href="#temporal-delimiter-obu" id="ref-for-temporal-delimiter-obu①⓪">Temporal Delimiter OBU</a> in front of every <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit①④">Temporal Unit</a>.</p>
+       <p>If it is desirable to have <a data-link-type="dfn" href="#temporal-delimiter-obu" id="ref-for-temporal-delimiter-obu⑨">Temporal Delimiter OBU</a>s in the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑨">IA Sequence</a>, insert a <a data-link-type="dfn" href="#temporal-delimiter-obu" id="ref-for-temporal-delimiter-obu①⓪">Temporal Delimiter OBU</a> in front of every <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit①④">Temporal Unit</a>.</p>
       <li data-md>
-       <p>Otherwise, do not insert any <a data-link-type="dfn" href="#temporal-delimiter-obu" id="ref-for-temporal-delimiter-obu①①">Temporal Delimiter OBU</a>s in the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑥⑨">IA Sequence</a>.</p>
+       <p>Otherwise, do not insert any <a data-link-type="dfn" href="#temporal-delimiter-obu" id="ref-for-temporal-delimiter-obu①①">Temporal Delimiter OBU</a>s in the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⓪">IA Sequence</a>.</p>
      </ul>
    </ol>
    <h4 class="heading settled" data-level="6.4.2" id="isobmff-decapsulation-singletrack-trimming"><span class="secno">6.4.2. </span><span class="content">Handling Trimming Information</span><a class="self-link" href="#isobmff-decapsulation-singletrack-trimming"></a></h4>
@@ -3860,7 +3856,7 @@ <h4 class="heading settled" data-level="6.4.2" id="isobmff-decapsulation-singlet
      <p>The ISOBMFF player plays back the trimmed audio samples through the loudspeakers starting at PTS2.</p>
    </ul>
    <h2 class="heading settled" data-level="7" id="processing"><span class="secno">7. </span><span class="content">IAMF processing</span><a class="self-link" href="#processing"></a></h2>
-   <p>This section provides processes for IA decoding for a given <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⓪">IA Sequence</a>.</p>
+   <p>This section provides processes for IA decoding for a given <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦①">IA Sequence</a>.</p>
    <p>IA decoding can be done by using the combination of the following decoding processing.</p>
    <ul>
     <li data-md>
@@ -3883,7 +3879,7 @@ <h2 class="heading settled" data-level="7" id="processing"><span class="secno">7
    <p>IA decoder is composed of an OBU parser, Codec decoder, Audio Element Renderer, and Post-processor as depicted in the figure below.</p>
    <ul>
     <li data-md>
-     <p>OBU parser SHALL depacketize <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦①">IA Sequence</a> to output one or more <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑦⑥">Audio Substream</a>s with one <a data-link-type="dfn" href="#decoder_config" id="ref-for-decoder_config①②">decoder_config()</a>, <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②⑧">Descriptors</a> and <a data-link-type="dfn" href="#parameter-substream" id="ref-for-parameter-substream③②">Parameter Substream</a>s.</p>
+     <p>OBU parser SHALL depacketize <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦②">IA Sequence</a> to output one or more <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑦⑥">Audio Substream</a>s with one <a data-link-type="dfn" href="#decoder_config" id="ref-for-decoder_config①②">decoder_config()</a>, <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①②⑧">Descriptors</a> and <a data-link-type="dfn" href="#parameter-substream" id="ref-for-parameter-substream③②">Parameter Substream</a>s.</p>
     <li data-md>
      <p>Codec decoder for each <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑦⑦">Audio Substream</a> SHALL output decoded channels.</p>
     <li data-md>
@@ -3906,7 +3902,7 @@ <h3 class="heading settled" data-level="7.1" id="processing-ambisonics"><span cl
    <p>The figure below shows the decoding flowchart of Ambisonics decoding.</p>
    <ul>
     <li data-md>
-     <p>OBU parser SHALL output the <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑦⑧">Audio Substream</a>s for the scene-based <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element⑨①">Audio Element</a> in the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦②">IA sequence</a>.</p>
+     <p>OBU parser SHALL output the <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑦⑧">Audio Substream</a>s for the scene-based <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element⑨①">Audio Element</a> in the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦③">IA sequence</a>.</p>
      <ul>
       <li data-md>
        <p>OBU parser SHALL output <a data-link-type="dfn" href="#channel_mapping" id="ref-for-channel_mapping">channel_mapping</a> or <a data-link-type="dfn" href="#demixing_matrix" id="ref-for-demixing_matrix">demixing_matrix</a> according to <a data-link-type="dfn" href="#ambisonics_mode" id="ref-for-ambisonics_mode①">ambisonics_mode</a> to Channel_Mapping/Demixing_Matrix module.</p>
@@ -4085,10 +4081,10 @@ <h4 class="heading settled" data-level="7.2.3" id="processing-scalablechannelaud
      <p>When <a data-link-type="dfn" href="#codec_id" id="ref-for-codec_id②②">codec_id</a> is set to <a class="property css" data-link-type="property" href="https://www.iso.org/standard/79110.html#" id="ref-for-something⑨⑧">mp4a</a>: olen = 64.</p>
    </ul>
    <h3 class="heading settled" data-level="7.3" id="processing-mixpresentation"><span class="secno">7.3. </span><span class="content">Mix Presentation</span><a class="self-link" href="#processing-mixpresentation"></a></h3>
-   <p>An <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦③">IA Sequence</a> MAY contain more than one <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②⓪">Mix Presentation</a>. <a href="#processing-mixpresentation-selection">§ 7.3.1 Selecting a Mix Presentation</a> details how a <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②①">Mix Presentation</a> SHOULD be selected from multiple of them.</p>
+   <p>An <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦④">IA Sequence</a> MAY contain more than one <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②⓪">Mix Presentation</a>. <a href="#processing-mixpresentation-selection">§ 7.3.1 Selecting a Mix Presentation</a> details how a <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②①">Mix Presentation</a> SHOULD be selected from multiple of them.</p>
    <p>A <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②②">Mix Presentation</a> specifies how to render, process and mix one or more <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element⑨②">Audio Element</a>s. Each <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element⑨③">Audio Element</a> SHOULD first be individually rendered and processed before mixing. Then, any additional processing specified by <a data-link-type="dfn" href="#output_mix_config" id="ref-for-output_mix_config">output_mix_config()</a> SHOULD be applied to the mixed audio signal in order to generate the final output audio for playback. <a href="#processing-mixpresentation-rendering">§ 7.3.2 Rendering an Audio Element</a> details how each <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element⑨④">Audio Element</a> SHOULD be rendered, while <a href="#processing-mixpresentation-mixing">§ 7.3.3 Mixing Audio Elements</a> details how the <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element⑨⑤">Audio Element</a>s SHOULD be processed and mixed.</p>
    <h4 class="heading settled" data-level="7.3.1" id="processing-mixpresentation-selection"><span class="secno">7.3.1. </span><span class="content">Selecting a Mix Presentation</span><a class="self-link" href="#processing-mixpresentation-selection"></a></h4>
-   <p>When an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦④">IA Sequence</a> contains multiple <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②③">Mix Presentation</a>s, the IA parser SHOULD select the appropriate <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②④">Mix Presentation</a> in the following order.</p>
+   <p>When an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑤">IA Sequence</a> contains multiple <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②③">Mix Presentation</a>s, the IA parser SHOULD select the appropriate <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②④">Mix Presentation</a> in the following order.</p>
    <ol>
     <li data-md>
      <p>If there are any user-selectable mixes, the IA parser SHOULD select the mix, or mixes, that match the user’s preferences. An example might be a mix with a specific language. <a data-link-type="dfn" href="#mix-presentation" id="ref-for-mix-presentation②⑤">Mix Presentation</a>s may use <a data-link-type="dfn" href="#mix_presentation_friendly_label" id="ref-for-mix_presentation_friendly_label①">mix_presentation_friendly_label</a> to describe such mixes.</p>
@@ -4386,7 +4382,7 @@ <h2 class="heading settled" data-level="8" id="iamfgeneration"><span class="secn
     <li data-md>
      <p>Input file format: .wav file (Linear PCM, simply called PCM)</p>
    </ul>
-   <p>For a given input audio and user inputs, the IA encoder outputs <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑤">IA Sequence</a> which conforms to <a href="#obu-syntax">§ 3 Open Bitstream Unit (OBU) Syntax and Semantics</a>.</p>
+   <p>For a given input audio and user inputs, the IA encoder outputs <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑥">IA Sequence</a> which conforms to <a href="#obu-syntax">§ 3 Open Bitstream Unit (OBU) Syntax and Semantics</a>.</p>
    <p>Input audio is as follows:</p>
    <ul>
     <li data-md>
@@ -4434,7 +4430,7 @@ <h2 class="heading settled" data-level="8" id="iamfgeneration"><span class="secn
     <li data-md>
      <p>Codec encoder generates one or more <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑧①">Audio Substream</a>s from each <a data-link-type="dfn" href="#channelgroup" id="ref-for-channelgroup④⑨">ChannelGroup</a> based on <a data-link-type="dfn" href="#codec-config-obu" id="ref-for-codec-config-obu①⓪">Codec Config OBU</a>.</p>
     <li data-md>
-     <p>OBU packetizer packetizes <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①③①">Descriptors</a>, <a data-link-type="dfn" href="#parameter-substream" id="ref-for-parameter-substream③⑧">Parameter Substream</a>s and <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑧②">Audio Substream</a>s by OBU, and outputs <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑥">IA Sequence</a>.</p>
+     <p>OBU packetizer packetizes <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①③①">Descriptors</a>, <a data-link-type="dfn" href="#parameter-substream" id="ref-for-parameter-substream③⑧">Parameter Substream</a>s and <a data-link-type="dfn" href="#audio-substream" id="ref-for-audio-substream⑧②">Audio Substream</a>s by OBU, and outputs <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑦">IA Sequence</a>.</p>
      <ul>
       <li data-md>
        <p>Temporal unit generator generates <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit①⑥">Temporal Unit</a> for each frame from <a data-link-type="dfn" href="#audio-frame-obu" id="ref-for-audio-frame-obu③⑨">Audio Frame OBU</a>s and <a data-link-type="dfn" href="#parameter-block-obu" id="ref-for-parameter-block-obu②⑥">Parameter Block OBU</a>s (if present).</p>
@@ -4538,7 +4534,7 @@ <h3 class="heading settled" data-level="8.2" id="iamfgeneration-scalablechannela
            </ul>
          </ul>
         <li data-md>
-         <p><a data-link-type="dfn" href="#parameter-substream" id="ref-for-parameter-substream④③">Parameter Substream</a>s can be composed of one for demixing info and the other for recon gain. When <a data-link-type="dfn" href="#recon_gain_is_present_flag" id="ref-for-recon_gain_is_present_flag①">recon_gain_is_present_flag</a> = 0 for all <a data-link-type="dfn" href="#channelgroup" id="ref-for-channelgroup⑥⑨">ChannelGroup</a>s, no <a data-link-type="dfn" href="#parameter-block-obu" id="ref-for-parameter-block-obu②⑦">Parameter Block OBU</a>s for recon gain info present in <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑦">IA Sequence</a>.</p>
+         <p><a data-link-type="dfn" href="#parameter-substream" id="ref-for-parameter-substream④③">Parameter Substream</a>s can be composed of one for demixing info and the other for recon gain. When <a data-link-type="dfn" href="#recon_gain_is_present_flag" id="ref-for-recon_gain_is_present_flag①">recon_gain_is_present_flag</a> = 0 for all <a data-link-type="dfn" href="#channelgroup" id="ref-for-channelgroup⑥⑨">ChannelGroup</a>s, no <a data-link-type="dfn" href="#parameter-block-obu" id="ref-for-parameter-block-obu②⑦">Parameter Block OBU</a>s for recon gain info present in <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑧">IA Sequence</a>.</p>
          <ul>
           <li data-md>
            <p><a data-link-type="dfn" href="#dmixp_mode" id="ref-for-dmixp_mode">dmixp_mode</a> of <a data-link-type="dfn" href="#demixing_info_parameter_data" id="ref-for-demixing_info_parameter_data④">demixing_info_parameter_data()</a> for the kth frame is set to indicate (α(k), β(k), γ(k), δ(k)) and w_idx_offset(k). Where w_idx_offset(k) = 1 or -1.</p>
@@ -4599,7 +4595,7 @@ <h3 class="heading settled" data-level="8.2" id="iamfgeneration-scalablechannela
        </ul>
      </ul>
     <li data-md>
-     <p>OBU Packetizer outputs <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑧">IA Sequence</a> which is composed of OBUs for <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①③⑧">Descriptors</a> and followed by OBUs for <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit②②">Temporal Unit</a>s.</p>
+     <p>OBU Packetizer outputs <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑨">IA Sequence</a> which is composed of OBUs for <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①③⑧">Descriptors</a> and followed by OBUs for <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit②②">Temporal Unit</a>s.</p>
    </ul>
    <center><img height="649" src="images/IA Encoding Flowchart for Channel Audio Format.png" style="width:80%; height:auto;" width="942"></center>
    <center>
@@ -4672,17 +4668,17 @@ <h3 class="heading settled" data-level="8.3" id="iamfgeneration-mixpresentation"
    </ul>
    <h4 class="heading settled" data-level="8.3.1" id="iamfgeneration-mixpresentation-mix"><span class="secno">8.3.1. </span><span class="content">Element Mix Config</span><a class="self-link" href="#iamfgeneration-mixpresentation-mix"></a></h4>
    <p>This section provides a guideline to generate <a data-link-type="dfn" href="#element_mix_config" id="ref-for-element_mix_config⑥">element_mix_config()</a>.</p>
-   <p>An IA multiplexer may merge two <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑦⑨">IA Sequence</a>s (or two <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element①②⓪">Audio Element</a>s). In this case, it adjusts the gain values for <a data-link-type="dfn" href="#element_mix_config" id="ref-for-element_mix_config⑦">element_mix_config()</a>s as necessary to describe the desired relative gains between the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧⓪">IA Sequence</a>s (or two <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element①②①">Audio Element</a>s) when they are summed to generate the final mix. It also ensure that the gains selected do not result in clipping when the final mix is generated.</p>
+   <p>An IA multiplexer may merge two <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧⓪">IA Sequence</a>s (or two <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element①②⓪">Audio Element</a>s). In this case, it adjusts the gain values for <a data-link-type="dfn" href="#element_mix_config" id="ref-for-element_mix_config⑦">element_mix_config()</a>s as necessary to describe the desired relative gains between the <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧①">IA Sequence</a>s (or two <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element①②①">Audio Element</a>s) when they are summed to generate the final mix. It also ensure that the gains selected do not result in clipping when the final mix is generated.</p>
    <h3 class="heading settled" data-level="8.4" id="iamfgeneration-multipleaudioelements"><span class="secno">8.4. </span><span class="content">Two Audio Elements Encoding</span><a class="self-link" href="#iamfgeneration-multipleaudioelements"></a></h3>
-   <p>This section provides a way to generate <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧①">IA Sequence</a> having two <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element①②②">Audio Element</a>s from two IA simple profiles.</p>
+   <p>This section provides a way to generate <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧②">IA Sequence</a> having two <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element①②②">Audio Element</a>s from two IA simple profiles.</p>
    <h4 class="heading settled" data-level="8.4.1" id="iamfgeneration-multipleaudioelements-onecodec"><span class="secno">8.4.1. </span><span class="content">Two Audio Elements with One Codec Config</span><a class="self-link" href="#iamfgeneration-multipleaudioelements-onecodec"></a></h4>
-   <p>This section provides a way how to generate <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧②">IA Sequence</a> having two <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element①②③">Audio Element</a>s from two IA simple profiles with the same <a data-link-type="dfn" href="#codec-config-obu" id="ref-for-codec-config-obu①③">Codec Config OBU</a>. However, the result complies with the base profile of <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧③">IA Sequence</a>.</p>
+   <p>This section provides a way how to generate <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧③">IA Sequence</a> having two <a data-link-type="dfn" href="#audio-element" id="ref-for-audio-element①②③">Audio Element</a>s from two IA simple profiles with the same <a data-link-type="dfn" href="#codec-config-obu" id="ref-for-codec-config-obu①③">Codec Config OBU</a>. However, the result complies with the base profile of <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧④">IA Sequence</a>.</p>
    <p>Step 1: <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①③⑨">Descriptors</a> are generated as follows:</p>
    <ul>
     <li data-md>
      <p><a data-link-type="dfn" href="#ia-sequence-header-obu" id="ref-for-ia-sequence-header-obu⑦">IA Sequence Header OBU</a>: get the larger <a data-link-type="dfn" href="#primary_profile" id="ref-for-primary_profile①⓪">primary_profile</a> field and the larger <a data-link-type="dfn" href="#additional_profile" id="ref-for-additional_profile⑥">additional_profile</a> field, respectively.</p>
     <li data-md>
-     <p><a data-link-type="dfn" href="#codec-config-obu" id="ref-for-codec-config-obu①④">Codec Config OBU</a>: just take the <a data-link-type="dfn" href="#codec-config-obu" id="ref-for-codec-config-obu①⑤">Codec Config OBU</a> of an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧④">IA Sequence</a>.</p>
+     <p><a data-link-type="dfn" href="#codec-config-obu" id="ref-for-codec-config-obu①④">Codec Config OBU</a>: just take the <a data-link-type="dfn" href="#codec-config-obu" id="ref-for-codec-config-obu①⑤">Codec Config OBU</a> of an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧⑤">IA Sequence</a>.</p>
     <li data-md>
      <p>Two <a data-link-type="dfn" href="#audio-element-obu" id="ref-for-audio-element-obu②②">Audio Element OBU</a>s: take both of them and make the following modifications:</p>
      <ul>
@@ -4712,12 +4708,12 @@ <h4 class="heading settled" data-level="8.4.1" id="iamfgeneration-multipleaudioe
       <li data-md>
        <p><a data-link-type="dfn" href="#obu_type" id="ref-for-obu_type⑥">obu_type</a>s are updated to be aligned according to <a data-link-type="dfn" href="#audio_substream_id" id="ref-for-audio_substream_id⑨">audio_substream_id</a>s specified in the two <a data-link-type="dfn" href="#audio-element-obu" id="ref-for-audio-element-obu②⑧">Audio Element OBU</a>s.</p>
       <li data-md>
-       <p><a data-link-type="dfn" href="#parameter_id" id="ref-for-parameter_id⑨">parameter_id</a>s in <a data-link-type="dfn" href="#parameter-block-obu" id="ref-for-parameter-block-obu③④">Parameter Block OBU</a>s are updated to indentify the <a data-link-type="dfn" href="#parameter-substream" id="ref-for-parameter-substream④⑥">Parameter Substream</a> in <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧⑤">IA Sequence</a> and based on the <a data-link-type="dfn" href="#parameter_id" id="ref-for-parameter_id①⓪">parameter_id</a>s in <a data-link-type="dfn" href="#paramdefinition" id="ref-for-paramdefinition③">ParamDefinition()</a>s carried in the <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①④⓪">Descriptors</a>.</p>
+       <p><a data-link-type="dfn" href="#parameter_id" id="ref-for-parameter_id⑨">parameter_id</a>s in <a data-link-type="dfn" href="#parameter-block-obu" id="ref-for-parameter-block-obu③④">Parameter Block OBU</a>s are updated to indentify the <a data-link-type="dfn" href="#parameter-substream" id="ref-for-parameter-substream④⑥">Parameter Substream</a> in <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧⑥">IA Sequence</a> and based on the <a data-link-type="dfn" href="#parameter_id" id="ref-for-parameter_id①⓪">parameter_id</a>s in <a data-link-type="dfn" href="#paramdefinition" id="ref-for-paramdefinition③">ParamDefinition()</a>s carried in the <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①④⓪">Descriptors</a>.</p>
      </ul>
     <li data-md>
      <p>It may have the immediately preceding <a data-link-type="dfn" href="#temporal-delimiter-obu" id="ref-for-temporal-delimiter-obu①⑤">Temporal Delimiter OBU</a> for each <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit②⑥">Temporal Unit</a>.</p>
    </ul>
-   <p>Step 3: Generate an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧⑥">IA Sequence</a> which starts with <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①④①">Descriptors</a> and is followed by <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit②⑦">Temporal Unit</a>s in order.</p>
+   <p>Step 3: Generate an <a data-link-type="dfn" href="#ia-sequence" id="ref-for-ia-sequence⑧⑦">IA Sequence</a> which starts with <a data-link-type="dfn" href="#descriptors①" id="ref-for-descriptors①④①">Descriptors</a> and is followed by <a data-link-type="dfn" href="#temporal-unit" id="ref-for-temporal-unit②⑦">Temporal Unit</a>s in order.</p>
    <h3 class="heading settled" data-level="8.5" id="iamfgeneration-postprocessing"><span class="secno">8.5. </span><span class="content">Post Processing</span><a class="self-link" href="#iamfgeneration-postprocessing"></a></h3>
    <p>This section provides a way to generate algorithms for post-processing.</p>
    <h4 class="heading settled" data-level="8.5.1" id="iamfgeneration-postprocessing-loudness"><span class="secno">8.5.1. </span><span class="content">Loudness Information</span><a class="self-link" href="#iamfgeneration-postprocessing-loudness"></a></h4>
@@ -5967,18 +5963,18 @@ <h3 class="no-num no-ref heading settled" id="informative"><span class="content"
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