Yeah, touché. I just meant that for 8 Kbps that's pretty good. That doesn't mean it's a worthwhile call experience.
-- Alex Balashov | Principal | Evariste Systems LLC 1447 Peachtree Street NE, Suite 700 Atlanta, GA 30309 United States Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ Sent from my BlackBerry. Original Message From: Paul Timmins Sent: Friday, March 11, 2016 19:05 To: [email protected] Subject: Re: [VoiceOps] G.729 A/B Experiences If you like the way cellphones sound, you'll love G.729. I'll leave it at that. On 03/11/2016 06:50 PM, Alex Balashov wrote: > As far as I can tell, G.729 is still the best intersection of low bandwidth > and call quality, although the OPUS fans have their own opinion. It certainly > leads to intelligible speech, though it can make for some amusing gibberish > when applied to hold music, given the extreme code word contractions it uses > to achieve its vicious compression ratio. > > However, it's relatively CPU intensive and frequently requires transcoding > from G.711 PSTN table stakes. Moreover, in general things are going in the > other direction, e.g. higher bandwidth HD codecs. > > This leads me to ask: why, as a North American operator, would you want to do > this today, in light of the capacity and price of available bandwidth today? > Generally speaking, G.729 is something like a niche interest for > international haulers and folk operating in developing world markets where > bandwidth remains stubbornly expensive. > > -- > Alex Balashov | Principal | Evariste Systems LLC > 1447 Peachtree Street NE, Suite 700 > Atlanta, GA 30309 > United States > > Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct) > Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ > > Sent from my BlackBerry. > Original Message > From: Robert Johnson > Sent: Friday, March 11, 2016 18:56 > To: [email protected] > Subject: [VoiceOps] G.729 A/B Experiences > > Hey everyone, > > I'm looking to deploy a lower-bandwidth codec, and am wondering what > everyone's experience has been with G.729, primary regarding voice > quality. Historically, we have limited our codec use to G.711. > > Some test calls in the lab are showing promising results, I'm just > curious what might happen in the real-world. > > Thank you for your time!! _______________________________________________ VoiceOps mailing list [email protected] https://puck.nether.net/mailman/listinfo/voiceops _______________________________________________ VoiceOps mailing list [email protected] https://puck.nether.net/mailman/listinfo/voiceops
