[Ekiga-list] sound quality is not good

michel memeteau michel.memeteau at gmail.com
Wed May 30 15:32:08 UTC 2007


Hi arnuld

2007/5/30, arnuld <geek.arnuld at gmail.com>:
>
>
> yannick, now i got it. my bandwidth is low, only 256 kbps which gives
> the download rate of 29 kb/sec only.


You upload rate is allso important as you want to send your voice as well ,
I  guess your adsl is 256/128 kbits which is 32 kBytes/s  // 16 kBytes/s

So using G711 which is around 80 kbits/s ( everybody agree ? )  is a little
too much for a 128 kbits/s line.

GSM = 8.0 kbps
> SPEEX = 8.0 kbps


so you can even use the wideBand codecs Speex-WB : 20 kbits/s

and it works fine now :-)


Great ! so I guess it would also work on 56k lines ....

(BTW, G.711 was unchecked by default)


It's true it would be better to put both speex WB and LB checked first then
ILBC and GSM. if they are not available then ekiga would switch on G711 ? Am
I right ?

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Michel memeteau
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