Узел Сохранить WAV BASE64
fs.writeFileSync('file.ogg', Buffer.from(base64data.replace('data:audio/ogg; codecs=opus;base64,', ''), 'base64'));
Aggressive Antelope
fs.writeFileSync('file.ogg', Buffer.from(base64data.replace('data:audio/ogg; codecs=opus;base64,', ''), 'base64'));