With browsers/webrtc I believe your choice is only between opus and g711 sent from my mobile, Giovanni Maruzzelli cell: +39 347 266 56 18 On Oct 7, 2015 12:04 AM, "Oleg Stolyar" <olegstolyar@gmail.com> wrote:
My endpoint is Chrome/WebRTC. Here is what the current version sends in the the INVITE.
Doesn't look like G722/16000 is there. How is ISAC in terms of CPU consumption?
a=rtpmap:111 opus/48000/2 a=fmtp:111 minptime=10; useinbandfec=1 a=rtpmap:103 ISAC/16000 a=rtpmap:104 ISAC/32000 a=rtpmap:9 G722/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:106 CN/32000 a=rtpmap:105 CN/16000 a=rtpmap:13 CN/8000 a=rtpmap:126 telephone-event/8000
On Tue, Oct 6, 2015 at 1:49 PM, Stanislav Sinyagin <ssinyagin@gmail.com> wrote:
If your endpoint supports it, G722@16000h gives a very decent voice quality. SILK also supports 16KHz.
here's some information related to codec complexity:
https://txlab.wordpress.com/2015/04/10/testing-freeswitch-performance-on-sca...
On Tue, Oct 6, 2015 at 10:40 PM, Oleg Stolyar <olegstolyar@gmail.com> wrote:
Thanks guys!
Anthony, using your suggestion means that I won't have HD voice, correct? HD voice is the primary reason I am considering OPUS instead of G.722.
Is there some codec/setting that will let me have HD voice for less CPU and perhaps more bandwidth?
It's not a must - I can scale up if needed, just wondering.
On Tue, Oct 6, 2015 at 1:35 PM, Anthony Minessale < anthony.minessale@gmail.com> wrote:
typo: opus@8000h@20i
On Tue, Oct 6, 2015 at 3:33 PM, Stanislav Sinyagin <ssinyagin@gmail.com
wrote:
OPUS is an expensive codec, so any conversion between OPUS and uncompressed audio is CPU-consuming. I don;t think that resampling would play much of a role in CPU consumption.
On Tue, Oct 6, 2015 at 10:29 PM, Oleg Stolyar <olegstolyar@gmail.com> wrote:
Hi guys,
I have a bunch of conferences on my FS. Users are either G.711/8000 or G.722/8000. Conference sample rate is set to 8000.
When I switched some users to OPUS instead, the CPU consumption jumped 3-4 times even though the conference rate is still 8000. Is this expected?
I was hoping to be able to save some CPU by setting the conference sample rate to auto (so it only used high-quality sampling for users that can support it) but it seems it won't work. Any ideas?
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