It may be a problem with Leopard. I'm using OS X 10.4.11 (PPC) and it works very well all around. Norman Franke ASD, Inc. On Jan 3, 2008, at 1:42 PM, P.J. Cast. wrote: > Thanks for responding so quick. > > In regards to increasing quality, we were using the > default 5, and now also tried setting to 10. No > difference on the Core 2 Dou machine, still has the > static. Though, by dropping the quality down to 2 or > 3, I was able to hear a similar static on the Core > Dou. > > Also, playing the wave file with the playfile demo did > not show the issue on the Core 2 Dou machine, it > sounded fine. > > Also, as previously mentioned, it happens with all the > codecs we have tested (PCMU, PCMUA, GSM). Perhaps some > kind of stream issue with the Core 2 Dou (64 bit) > machine then? I am able to try any suggestions in > isolating this issue. > > Thanks again :-) > > > --- Benny Prijono <bennylp at pjsip.org> wrote: > >> P.J. Cast. wrote: >>> Hi Again, >>> >>> Testing with the absolute latest pjsua (even >> updated >>> to latest portaudio revision - no change). Under >>> Leopard with a Core Dou processor, audio sounds >> great. >>> >>> However, under Leopard with Core 2 Dou processor, >> the >>> audio playback has a certain static/scratchiness >> to >>> it. We have tried various codecs, GSM & PCMU/A, >> but >> >> This is just a shot in the dark, but static/metal >> effect could be >> caused by linear resampling being used somewhere. >> >> Since you said that "cc 0 0" works fine, this >> probably means that >> the resampling in PortAudio is okay (I think PA uses >> CoreUtil's >> resampling when it's asked to open sound device in >> clock rate that >> is not supported by the device). >> >> So this leaves us with the resampling that pjmedia >> uses. Check that >> your pjsua_media_config.quality is set to 10 (value >> lower than 3 >> will cause linear resampling to be used). >> >> And perhaps it would worth checking if file playback >> works okay. Try >> playing back a file with 8KHz or 16KHz sampling >> rate. If the audio >> is not coming out good, then we can probably confirm >> that the >> resampling is at fault. Otherwise the bug is >> elsewere (maybe in >> codec, stream, etc.). >> >> cheers, >> -benny >> >>> always the same noise appears. Sending audio is >> fine. >>> This happens for every call made or received on >> the >>> Core 2 Dou system (calling to another pjsua client >> or >>> other softphone). >>> >>> * The pjsua client is compiled under OSX 10.4 >> (Tiger) >>> * Portaudio demos also compiled under 10.4 >>> * Calls on Leopard Core Dou sound great >>> * Calls on Leopard Core 2 Dou have the static on >> local >>> played audio >>> * doing "cc 0 0" on Core 2 Dou system results in >>> perfect playback of local audio >>> * portaudio read/write demos work great on Core 2 >> Dou >>> system >>> >>> So, it looks like some sort of RTP decoding issue >>> under the Core 2 Dou if I had to guess. Perhaps a >> 64 >>> bit issue? We have only tested on one 10.5 Core 2 >> Dou >>> system (only Core 2 Dou we have), and it happens >> every >>> time and never under the Core Dou. >>> >>> It would be great if anyone out there under OSX >> has >>> tested with Core 2 Dou 64 Bit Leopard and can >> either >>> confirm a problem or say if it works great... >> possibly >>> could be something locally on the system, but all >>> other audio playback is fine as mentioned. >>> >>> Any help is appreciated. >> >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > > > > > ______________________________________________________________________ > ______________ > Be a better friend, newshound, and > know-it-all with Yahoo! Mobile. Try it now. http:// > mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20080103/6d01cbfb/attachment-0001.html
