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FreeSWITCH - Wikipedia
https://en.wikipedia.org/wiki/FreeSWITCH#:~:text=FreeSWITCH%20supports%20a%20variety%20of%20audio%20and%20video,9%20G.729%20%28licensed%29%2010%20GSM%20More%20items...%20
Audio Codecs - FreeSWITCH - Confluence
https://freeswitch.org/confluence/display/FREESWITCH/Audio+Codecs
FreeSWITCH Explained Codecs and Media Audio Codecs Created by Brian West, last modified by Rob Thomas on 2020.02.02 Transcodable Audio Codecs The following codecs can be used when setting codec_string and absolute_codec_string. OPUS opus@48000h@10i - Opus 48khz using 10 ms ptime (mono and stereo)
Codecs and Media - FreeSWITCH - Confluence
https://freeswitch.org/confluence/display/FREESWITCH/Codecs+and+Media
HD Audio support FreeSWITCH supports most HD (high definition) audio codecs including Speex, G.722, G.722.1 (Siren) and SILK. BroadVoice codecs were added by Brian (bkw) just 90 minutes after official release. Enabling codecs in modules.conf.xml
FreeSWITCH And The Opus Audio Codec - FreeSWITCH - …
https://freeswitch.org/confluence/display/FREESWITCH/FreeSWITCH+And+The+Opus+Audio+Codec
FreeSWITCH is an open source telephony platform supporting communication technologies such as SIP and WebRTC. Opus is an audio codec with high resilience to packet loss, thanks to its Forward Error Correction (FEC) techniques. Opus encoding and decoding are supported in FreeSWITCH through its mod_opus module.
FreeSWITCH And The Opus Audio Codec mod opus
https://freeswitch.org/confluence/download/attachments/12517398/Freeswitch_and_the_Opus_Audio_Codec_1.0.pdf?version=1&modificationDate=1477328153855&api=v2
FreeSWITCH And The Opus Audio Codec 6. can have values: 8000, 12000, 16000, 24000, 48000 in Hz . We are not setting it if we use OPUS@48000h simply because the sender is assumed to have no limitations by default so it will just default to 48000 Hz. For OPUS@8000h this is being set in FMTP and so we're telling the remote we don't plan any ...
FreeSWITCH audio, file, and stream formats | Mastering ...
https://subscription.packtpub.com/book/networking_and_servers/9781784398880/5/ch05lvl1sec40/freeswitch-audio-file-and-stream-formats
FreeSWITCH audio, file, and stream formats FreeSWITCH is able to interface automatically with a lot of codecs and file/stream formats, and it can translate between them. This means that a CD-like source at 48 khz, 16 bit, stereo and wideband will be decoded, downsampled, truncated, mixed, and then re-encoded to be sent in a G711 call.
Media Handling in FreeSWITCH
http://www.moythreads.com/congresos/cluecon2011/media-handling-freeswitch-final.pdf
• FreeSWITCH supports a wide range of codecs – Narrowband (G.711, G.726, G.723.1, G.729AB, Speex …) – Wideband (G.722, G.722.1, G.722.2, Speex …) – Ultra-wideband (G.722.1C, Speex) – CD-quality (CELT) • FreeSWITCH core requires the media to be in L16 (signed linear, raw digital audio) format for manipulation (mixing, tone detection etc)
FreeSWITCH API Documentation: Codec Functions
https://docs.freeswitch.org/group__codecs.html
codec: the codec handle to use : other_codec: the codec handle of the last codec used : decoded_data: the raw data : decoded_data_len: then length of the raw buffer : decoded_rate: the rate of the decoded data : encoded_data: the buffer to write the encoded data to : encoded_data_len: the size of the encoded_data buffer : encoded_rate: the new ...
mod_opus - FreeSWITCH - Confluence
https://freeswitch.org/confluence/display/FREESWITCH/mod_opus
When set to 1, will tell FreeSWITCH to evaluate the remote party's maxaveragebitrate when deciding how to initialise the opus encoder. This is a FreeSWITCH specific feature (available from v1.6.12). This is not an FMTP param. More info: FreeSWITCH And The Opus Audio Codec
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