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Difference between speech and audio
https://groups.google.com/g/comp.dcom.isdn/c/S7Eon5ZE9OM#:~:text=%3E%20Higher%20quality%20audio%3A%203.1kHz%20audio%20or%20speech,The%20network%20may%20compress%20or%20otherwise%20modify%20%22Speech%22.
Difference between speech and audio
https://groups.google.com/g/comp.dcom.isdn/c/S7Eon5ZE9OM
3.1KHz Audio means "the sound is important, and don't assume it's speech." Speech means "the sound is important, and it's probably speech." There's a lot of stuff in various standard that...
Difference between speech and audio - Google Groups
https://groups.google.com/d/msg/comp.dcom.isdn/S7Eon5ZE9OM/PwkU2tXTHcsJ
> conversion of an analog fax 3.1KHz Audio signal to its 9600 bit/s > equivalent is desired, what we want from the SS7 routing translations is > the full 64 kbit/s digital information content delivered, as is, every > bit the same in both directions. Tariffs will probably be higher for
Speech to 3.1 Khz - Nortel: CS1000 (Meridian) systems ...
https://www.tek-tips.com/viewthread.cfm?qid=1355340
Speech to 3.1 Khz JAAGB (TechnicalUser) (OP) 11 Apr 07 07:23. Dear All, We are tring to send a FAX Via CS1000 on that we are faceing problems. We cant send international FAX because The protcal send by the FAX or PABX to the remote end speech, according to pur provider if the speech call wont take the FAX isit right.
Requesting 3.1KHz Audio over ISDN BRI - Asterisk Support ...
https://community.asterisk.org/t/requesting-3-1khz-audio-over-isdn-bri/5947
As I have talked with people from Telecom, the solution is to request simple 3.1KHz audio link, and the call will be connected - otherwise it will be refused with Cause 3 - no route to destination. So, my question is : how to force Asterisk to request 3.1KHz audio link over a digital ISDN line? Here is a snippet from BRI debug :
Audio and Speech - cs.columbia.edu
https://www.cs.columbia.edu/~hgs/teaching/ais/slides/2003/audio_long.pdf
3 Digital audio sample each audio channel and quantize ... 20-20000Hz 44.1kHz 16 CD 10-22000Hz 48kHz 24 pro-audio October 2, 2001. Audio 5 Digital audio: sampling 1.00 0.75 0.50 0.25 0 –0.25 ... Audio 8 Quality metrics speech vs. music communications vs. toll quality mean opinion score (MOS) and degradation MOS ...
Recording at 44.1khz vs 96khz vs 192khz vs 48khz. What Are ...
https://littlecornerofamusiclover.com/recording-at-44-1khz-vs-96khz-vs-192khz-vs-48khz/
This is usually the case with digital music. It has a complicated frequency mix. However, when coping with other forms of analog sound like speech, this hypothesis fails. The most common sample rate for a speech is 8 kHz. This rate is significantly lower than the 44.1 kHz quality of audio CDs. Our voice has a range of frequencies of around 0.3 to 3 kHz.
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