Asterisk Gsm Audio Format

What is the difference between the .wav and .gsm file format

https://stackoverflow.com/questions/2682711/what-is-the-difference-between-the-wav-and-gsm-file-format#:~:text=There%20is%20info%20on%20Asterisk%20wiki%3A%20gsm%3A%20raw,linear%20WAV%3A%20MS%20wav%20format%2C%20gsm%20encoded%20%28wav49%29

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Documentation needed for Asterisk sound formats incl. GSM ...

https://community.asterisk.org/t/documentation-needed-for-asterisk-sound-formats-incl-gsm/44615

The former one, “ asterisk-sounds ”, is only provided in the GSM format, whereas the others are in all of those numerous formats (“GSM”, “ALAW”, “G722”, “SIREN7”, “SIREN14”, “SLN16”, and “WAV”).

AudioSocket with GSM format - Asterisk APIs - Asterisk ...

https://community.asterisk.org/t/audiosocket-with-gsm-format/88159

At GitHub - NormHarrison/audiosocket_server: Asterisk AudioSocket server in Python I found that I have to return exactly 320 bytes of audio, yet how is it possible with GSM, where libgsm returns only 33 bytes per 160 samples. Attempting to return whole buffer at once, or only 33 bytes per request results in the same audio quality.

GSM audio File Player - Asterisk Support - Asterisk Community

https://community.asterisk.org/t/gsm-audio-file-player/18111

I need a better player for playing the .gsm audio file besides using Quick Player. Hopefully this player is a freeware and also able to increase the speed of audio while the .gsm file is been play. I try the K-Lite Code and foobar b4 but it is fail to play this file. I hope all other can help 😆 Thx 😃

Asterisk Audio and Video Capabilities - Asterisk Project ...

https://wiki.asterisk.org/wiki/display/AST/Asterisk+Audio+and+Video+Capabilities

Asterisk Sound Files 101! ⋆ Sangoma

https://www.sangoma.com/articles/Asterisk-sound-files-101/

Recording Audio for Asterisk | Redial

http://www.itp-redial.com/class/weekly-notes/week2-notes/recording-audio-for-asterisk

The audio standard for most Voice over IP is 8000Hz, 16Bit, Mono. Asterisk is going to expect that all audio conforms to this standard. There are a lot of codecs that are used to compress the audio, the most common being ULAW, GSM, and G729. The PSTN will only accept ULAW or G729. G729 is patented, so you have to pay for a license to use it.

[Asterisk-Users] Audio Files, Filtering, and Formats for ...

https://asterisk-users.digium.narkive.com/E7jpddtV/audio-files-filtering-and-formats-for-asterisk

->example) in the same GSM format that these prompts are in (if->the recordings sound as poor as these prompts do, I don't->know whether I'll even be able to use Asterisk for this application).->->While the delivery is professional and I'm sure the original->sources sound great, these GSM files don't sound so hot.

What wav audio file formats are supported by Asterisk MOH ...

https://community.asterisk.org/t/what-wav-audio-file-formats-are-supported-by-asterisk-moh/31792

Asterisk’s MOH playable file is exactly mono, 16bit, 8000 Hz and Audacity supports that export format. Recorded microphone input with audacity and exported as mono, 16bit, 8000 Hz wav file and Asterisk can play it as MOH. So a way to build library of wave, audio samples to test quality of audio played by Asterisk MOH is finally open.

Convert WAV audio files for use in Asterisk - VoIP-Info

https://www.voip-info.org/convert-wav-audio-files-for-use-in-asterisk/

Using WAV files. Asterisk has codecs for wav (pcm), gsm, g729, g726, and wav49, all of which can be used for Playback and Background. However, Asterisk does not understand ADPCM WAV files. To convert your WAV files to a format which Asterisk can understand, use the following command: sox foo-in.wav -r 8000 -c 1 -s -w foo-out.wav resample -ql

What is the highest and the minimum supported audio …

https://stackoverflow.com/questions/61755809/what-is-the-highest-and-the-minimum-supported-audio-file-that-asterisk-supports