Bob and Eric, Under careful scrutiny, the pop is there with the new release with settings of 48000 and 2048, but it is reduced. I think that it is so fast that the 48000 sampling rate does not catch it all the time or at least at as great an amplitude.
Tom Tom Thompson wrote: >Bob and Eric, > >I reduced the dma buffer size on the Delta 44 to 512 as suggested. This >fixed the flutter, but the pop is still there on all audio tab settings >except 2048 and 48000. None of this occurs on svn 537 even with the dma >buffer set to 2048. > >Tom W0IVJ > >Robert McGwier wrote: > > > >>In the task bar, on the bottom right, there is a little black >>trapezoidal looking M for your M-Audio control panel. It should on >>the task bar over by the clock. Double click on it. There is a DMA >>buffer size setting there. If it is larger than 512, please >>decrease it to 512 and try this again. >> >>This all probably needs better documentation than we currently have. >>We really did do major league surgery on the way things worked by >>removing a few unnecessary lines of protection. This in turn revealed >>other levels of poor coding on our part. There may still be a >>"easter egg" or two we need to remove! >> >>Bob >> >> >> >>Tom Thompson wrote: >> >> >> >>>Bob, >>> >>>I am using the Delta 44 card with the buffer size on the audio tab >>>set to 2048. The sampling rate is 96000 and the manual latency is >>>unchecked. My dsp buffer is 2048. I found that on the new release >>>that if I decrease the buffer size on the audio tab below 2048 the >>>audio flutters. If I decrease the sampling rate to 48000 the flutter >>>frequency halves. The only combination of sampling rate and buffer >>>size that I get no pop and no flutter is 48000 and 2048. I get audio >>>flutter on any buffer size below 2048 at either 96000 or 48000. >>> >>>On 1.6.2 svn 537, the audio never flutters, and I have to decrease >>>the buffer to 256 at 48000 for the pop to occure. It will not pop at >>>256 with the sample rate at 96000. >>> >>>I hope this helps. >>> >>>73, Tom W0IVJ >>> >>> >>> >>> >>> >> >> > > >_______________________________________________ >FlexRadio mailing list >FlexRadio@flex-radio.biz >http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz >Archive Link: http://www.mail-archive.com/flexradio%40flex-radio.biz/ >FlexRadio Homepage: http://www.flex-radio.com > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: /pipermail/flexradio_flex-radio.biz/attachments/20060627/16bd429d/attachment.html _______________________________________________ FlexRadio mailing list FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archive Link: http://www.mail-archive.com/flexradio%40flex-radio.biz/ FlexRadio Homepage: http://www.flex-radio.com
