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Audio Support - Asterisk
https://wiki.asterisk.org/wiki/display/AST/Asterisk+Audio+and+Video+Capabilities
Asterisk supports a variety of audio and video media. Asterisk provides CODEC modules to facilitate encoding and decoding of audio streams. Additionally file format modules are provided to handle writing to and reading from the file-system. The tables on this page describe what capabilities Asterisk supports and specific details for each format.
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
Asterisk support only one format for wav file Audio PCM uncompressed 16bit 8khz mono (1 channel) Asterisk support compressed wav format WAV, same as above, but compressed with GSM codec (should be capital extension). Any other wav format will not be played. Asterisk is PBX, not media center.
Asterisk sound files - Asterisk Sounds, help Asterisk to ...
https://www.asterisksounds.org/en/sounds
Asterisk Sounds Build with passion! The content of this site is available under the Creative Commons Attribution-ShareAlike License ; additional terms may apply.
Asterisk 10 Codecs and Audio Formats - Asterisk Project ...
https://wiki.asterisk.org/wiki/display/AST/Asterisk+10+Codecs+and+Audio+Formats
Versions of Asterisk prior to 10 supported 16-bit Signed Linear sampled at 8kHz and at 16kHz (versions 1.6.0 - 1.8). New to Asterisk 10 is support for a much wider range of sampling rates. Asterisk can resample between any of these sampling rates and can read/write raw 16-bit signed linear audio files from/to disk.
Asterisk Sound Files 101! ⋆ Sangoma
https://www.sangoma.com/articles/Asterisk-sound-files-101/
The human voice generates sound between 80 hz to 12,000 hz (12 khz) but a normal telephone transmits only 300-3500 hz. Even though Asterisk supports high-quality audio, the sound Asterisk plays or records is limited by the phones in use.
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 can handle MOH files in most of the codec formats, however, I believe the only formats supported with a WAV (RIFF) wrapper are 8 bit, mono, signed linear, 8kHz, and standard rate GSM. For GSM, I believe you have to capitalise the .WAV (and not for signed linear).
Convert WAV audio files for use in Asterisk - VoIP-Info
https://www.voip-info.org/convert-wav-audio-files-for-use-in-asterisk/
Asterisk cmd BackGround: Play sound file, listen to DTMF tones; Asterisk cmd Playback: Play sound file; Asterisk sound files: More info on Asterisk sound files and codings; On-line audio conversion by asteriskguru.com, including G729 and g723 formats; sox: Open Source sound file conversion
Question about "Playback" audio formats - Asterisk Support ...
https://community.asterisk.org/t/question-about-playback-audio-formats/83928
I notice that if I attempt to play a wav sound file in the wrong format, asterisk responds with: Only PCM encoded, 16 bit, mono, 8kHz/16kHz files are supported with a lowercase ‘.wav’ extension This suggests that 16kHz 16bit mono files can be …
Asterisk sounds directory - Asterisk Support - Asterisk ...
https://community.asterisk.org/t/asterisk-sounds-directory/38146
By default, Asterisk will look for sound files in /var/lib/asterisk/sounds//. If you call for a sound file with a relative pathname (does not start with a /), Asterisk will look in it’s default directory. In the case of your example Playback(digits/1), Asterisk found a the under /var/lib/asterisk/sounds//digits/ and probably played 1.gsm.
Correct Audio Formats For Greeting and System Recordings ...
https://community.freepbx.org/t/correct-audio-formats-for-greeting-and-system-recordings/42304
I have used the correct Audio formats (I suppose) WAV Microsoft Signed 16-bit PCM 8000hz mono (I am surprised searching the forums on this turns up no results) But when I log into the UCP I can not upload a greeting. It just hangs (all night I have confirmed) regardless of browser. I also want to confirm the audio format for the IVR/System Records.
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