I wrote a fairly detailed article to explain how to convert between various audio types in .NET (many using NAudio) With ACM codecs, you can usually only change one thing at a time - e.g. Changing the sample rate (e.g. 48kHz -> 8kHz) Changing the channel count (e.g. mono -> stereo) Changing the bit depth (e.g. 32 bit float -> 16 bit integer)

Blog Entries: 1. Rep: $ sox file.mp3 -c 1 -r 44100 -b 16 -e signed-integer --endian little -t raw output.bin. Still not sure if you want signed or unsigned, or big or little endian. But that's a basic way to output a raw audio file.

8-bit mono 16-bit mono 24-bit mono 32-bit mono (or something completely different). You will need to make your code look at the file's header bytes, in order to determine what kind of format it is. If, for example, the file is a 16-bit stereo, and you find the data in the file, you should be able to read them and directly feed them to the I2S
To export to 44100 Hz 16-bit PCM WAV. If required, convert the stereo track to mono. Select menu item File > Export Audio. In the "Export Audio" dialog choose WAV (Microsoft) signed 16-bit PCM in the Format dropdown (default setting). Make sure the Sample Rate is set to 44100 Hz. Click Export. Auvisoft Audio Converter converts audio formats AAC, ADPCM, Dolby Digital AC-3, GSM, MP2, MP3, OGG, VOX, WAV, WMA from one to another, such as converting MP3 to WAV and WMA, WAV to MP3 and WMA. AAC means "Advanced Audio Coding", and in the beginning it was also called MPEG-2 NBC for "Non-Backwards Compatible" as opposed to the MPEG-1 and MPEG-2

If you are exporting a constant bit rate spoken word MP3 such as an audiobook and have a stereo track in Audacity where both channels are identical, it is preferable to use Tracks > Mix > Mix Stereo down to Mono to convert to a single mono track before export. This will still sound the same on stereo equipment, but have higher quality because

Step 6. Click on the list menu adjacent to the heading "Attributes." Select either 8-bit stereo or 8-bit mono. Click the "Save" button, and your WAV file will be saved at a sampling rate of 8,000 hertz (8kHz). Advertisement.
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    • convert mp3 to wav mono 16 bit