How can I access mp3 or wav file of voice message sended?

[lofti198]

How can I access mp3 or wav file of voice message sended? Or how can I craft it from the raw voice message? Thank you in advance!

bot.on("voice", (ctx) => {
  ctx.reply("Thank you for your voice message!");
});

[lofti198]

#783 (comment) is this an answer?)

[MKRhere]

Example:

import { message } from "telegraf/filters";

bot.on(message("audio"), async ctx => {
	const link = await ctx.telegram.getFileLink(ctx.message.audio.file_id);

	// link.href is the link to fetch audio from
	// use any http client like fetch / axios / ... to fetch the file
	const res = await axios(link.href);
	// write audio file to disk
	fs.writeFileSync("filename.mp3", res.data);
});