Good, so do you now know how to produce the required 8000 Hz, mono, 16-bit PCM file? If the only way to resolve this is to convert the greeting you uploaded for you we will do it but you will have to accept any audible quality loss that there may be. Gale
Cancelled Posted Aug 7, 2015. $10-30 AUD. Paid on delivery. I need to convert WAV files to pcm, 8Khz, 16 bit mono wav files. Audio Production Audio Services. Project ID: #8224747.
Hi. And thanks for reading. If anyone knows how to convert a regular .wav file into the above description, Iām desperate for help. I looked up directions in Audacity. It says to go to Edit then Preferences then File Formats but āFile Formatsā is nowhere to be seen. I think I could figure this out on my own if I could find file formats but perhaps they changed the list options. I have a
Following a reboot, the IP Office will try using TFTP to download a file called holdmusic.wav. The file properties should be: PCM, 8kHz 16-bit, mono, maximum length 30 seconds. The initial source for download is the system's configured TFTP server (System | System | TFTP Server IP Address).
Install ffmpeg on your system and run this command. ffmpeg -i filename.mp3 -ar 16000 -sample_fmt s16 output.wav. This converts your filename.mp3 to output.wav which will be Linear PCM 16-bit in 16K samplerate. In your code, when you send audio back, you need to stream it as chunks of 640 bytes, not the entire file data in one shot.
Note that -ac 1 will mix down both stereo channels to a single mono one, which might not be what you want, especially if itās just āa mono source erroneously recorded in stereoā. In that case, throw one of the channels away like this: ffmpeg -i INPUT -filter_complex '[0:a]channelsplit=channel_layout=stereo:channels=FL[left]' -map '[left
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convert mp3 to pcm 8khz 16 bit mono
