Sound Quality Issues

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No suggestions here? :)


On Apr 26, 2013, at 4:16 PM, Ted Gerold <tedgerold at icloud.com> wrote:

> Hello,
>  I am having issues with sound recordings being choppy, cutting out etc.  I have gone over everything here:
> 
> http://trac.pjsip.org/repos/wiki/sound-problems
> 
> I removed all unneeded codecs and am using PCMU @8kHz.  Here are my test results:
> 
>    Call time: 00h:00m:10s, 1st res in 4735 ms, conn in 4844ms
>    #0 audio PCMU @8kHz, sendrecv, peer=-
>       SRTP status: Not active Crypto-suite: (null)
>       RX pt=0, last update:00h:00m:10.182s ago
>          total 0pkt 0B (0B +IP hdr) @avg=0bps/0bps
>          pkt loss=0 (0.0%), discrd=0 (0.0%), dup=0 (0.0%), reord=0 (0.0%)
>                (msec)    min     avg     max     last    dev
>          loss period:   0.000   0.000   0.000   0.000   0.000
>          jitter     :   0.000   0.000   0.000   0.000   0.000
>       TX pt=0, ptime=20, last update:never
>          total 0pkt 0B (0B +IP hdr) @avg=0bps/0bps
>          pkt loss=0 (0.0%), dup=0 (0.0%), reorder=0 (0.0%)
>                (msec)    min     avg     max     last    dev 
>          loss period:   0.000   0.000   0.000   0.000   0.000
>          jitter     :   0.000   0.000   0.000   0.000   0.000
>       RTT msec      :   0.000   0.000   0.000   0.000   0.000
> 
> 
> As you can see, zeros across the board.
> 
> My media settings are as follows:
> 
>  media_cfg.snd_play_latency = 160;
>  media_cfg.snd_rec_latency = 160;
>  media_cfg.clock_rate = 8000;
>  media_cfg.snd_clock_rate = 8000;
>  media_cfg.quality = 5;
>  media_cfg.ec_tail_len = 0;
> 
> I have tried playing with these setting as well as others and have not noticed any change.  I have tried testing on different computers and
> have gotten the exact same results.
> 
> Any help you can provide would be greatly appreciated.
> 
> Here is a link to a test.wav.  Its very poppy and you can hear a really bad cut around 20 seconds in.
> 
> http://db.tt/VjKoAg7l
> 
> Also, This only happens with recordings.  Playing any other pre-recorded file has fantastic results.
> 
> 
> Kind Regards,
> 
> -Ted
> 
> _______________________________________________
> Visit our blog: http://blog.pjsip.org
> 
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