0.9.6

• Massively update/cleanup XML comments and docs
• Include XML documentation in nuget package
• Various refactorings
• Minor enhancements / bugfixes:
  • Correct naming of methods NormalizePeak() / ChangePeak()
  • Add signal.Crossfade(), signal.FadeIn/Out() methods
  • Better implementation of DesignFilter.Fir() method
  • Better implementation of OnlineFeatureExtractor.VectorCount() method
  • Add implementation of FastDct3.DirectNorm() / FastDct2.InverseNorm()

0.9.5

NWaves 0.9.5

• Multi-target package to .NET Standard 2.0 and .NET 5
• Add Fft / RealFft methods taking Span as input
• Add 3D/Stereo audio functionality (stereo panning, stereo and ping-pong delay, ITD-ILD, binaural panning)
• Add benchmarks
• Accelerate IirFilter, Butterworth, Elliptic, Chebyshev filters
• Add OnlineFeatureExtractor class
• Add methods for fractional delay FIR filter design
• Add code for designing even-sized FIR filters
• Add FadeInOutBuilder class
• Add IIR filter design methods IirNotch / IirPeak / IirCombNotch / IirCombPeak
• Add FractionalDelayLine class with more interpolation options (cubic, Thiran)
• Add WetDryMixer class
• Implement more distortion modes
• Add WaveShaper class
• Add BitCrusherEffect class
• Add DynamicsProcessor class (limiter/compressor/expander/noise gate)
• Add Filterbanks.Chroma() method and ChromaFeatureExtractor class
• Add Welch() and LombScargle() methods for evaluating periodograms
• Various minor enhancements / bugfixes:
  • implement 'perfect reconstruction' mode in inverse STFT
  • add normalization flag in Stft.Spectrogram() method
  • add DiscreteSignal.Unit() and DiscreteSignal.Reverse() methods
  • add EstimateGain() method and methods for filter processing with user-specified gain
  • WaveFile constructor doesn't close underlying stream
  • change type of TF zeros and poles to Complex[]. Methods accepting ComplexDiscreteSignal objects are not removed.
  • add overloaded constructor: var zsignal = new ComplexDiscreteSignal(1, tf.Zeros);
  • add faster implementation of median filter
  • add FilterChain64 and StereoFilter64 classes
  • fix bug with magnitude doubling in OlaBlockConvolver64/OlsBlockConvolver64
  • fix bug in EnvelopeFollower.Process() method
  • add Wavelet constructor with user-defined wavelet coefficients
  • rename WindowTypes enum to WindowType