seanadams Wrote: > Having dismantled a DAC-1 I can tell you it is a perfectly vanilla > implementation of ASRC using a standard ADI chip, and it does perform > as advertised WRT to jitter rejection - this feature is _inherent_ in > asynchronous sample rate conversion. > > ASRC effectively moves the source of jitter from the s/pdif input DAC's > internal clock. That's fine but it's not necessarily an improvement - > the latest standard s/pdif receiver chips from Crystal, ADI, TI all > have very good jitter attenuation - in fact a good PLL design will > inherently act as filter to clean up the recovered clock however bad it > is. > > However, ASRC while it obviously eliminates jitter in the source > signal, does god knows what to the data coming through. > > That said, the Benchmark's DAC and amplification stages appear to be > carefully engineered, and measured performance here is great. > Unfortunately real performance is harder to market, but ELIMINATES > JITTER sells. ;)
I found this tutorial on asynchronous sample rate conversion: http://www.diyaudio.com/forums/showthread.php?threadid=28814 Might be of interest to you guys. Steinar -- sbjaerum ------------------------------------------------------------------------ sbjaerum's Profile: http://forums.slimdevices.com/member.php?userid=237 View this thread: http://forums.slimdevices.com/showthread.php?t=18439 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
