Changing the bit depth is very simple: If you must use Python, then you could use PySoundFile as you found. Here's a little code snippet: import soundfile data, samplerate = soundfile.read ('old.wav') soundfile.write ('new.wav', data, samplerate, subtype='PCM_16') You should also use soundfile.available_subtypes to see which subtypes you can
5. Enter a name and select “Save as type: WAV (Microsoft) signed 16-bit PCM”. 6. Leave the file there Convert from Stereo to Mono Channel do the following: 7. After opening the file, click on the arrow depicted below. 8. Click the arrow and Split Stereo to Mono and save again as in previous step.
This drove the audio format for a lot of early audio-capable DOS applications and games. The original Sound Blaster could only play mono, unsigned 8-bit PCM data. Later Sound Blaster cards were capable of playing back 16-bit audio data. However, while these cards still played unsigned 8-bit PCM data, 16-bit data needed be signed. The confusion started from the thought that since the PCM is 16bit, a sample will always be 4 bytes whether it is Mono or Stereo but I was wrong! A Stereo sample will be 4 bytes when a Mono sample will be 2 bytes so it is stored as [LSB] [MSB] for a sample! Share. Improve this answer. Follow. PCM stands for Pulse Code Modulation and commonly uses the file extensions .wav or .cda. There are quite a few other combinations of bits per sample and samples per second which may be used. We have included calculations for the most common mono (one channel) and stereo (two channel) settings. Mono. Formula:
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Pls can someone suggest a software I can use in converting my recorded prompt to the standard IVR 8khz, 8k bit rate mono wav file. The best I could do was 64kbps bit rate instead of 8kbps required by IP IVR. Your responses will be well appreciated. Thanks, Kayode z5Jja.
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    • convert mp3 to pcm 8khz 16 bit mono