Fons Adriaensen wrote: > On Wed, Jan 01, 2014 at 03:21:29AM -1000, Joel Roth wrote: > > > I was curious, if doubling the sample rate is a > > practical way to reduce latency for live effects > > processing. I would think it would reduce latency by half. > > At least by half, and if the antialiasing filters in the AD/DA > converters are designed for it, much better. When using small > period sizes (32 or less), the delay in these filters (which > are usually linear phase) will be the largest contribution to > latency. > This delay is roughy inversely proportional to the transition > band of the filter. If you don't use the full bandwidth that > 96 kHz offers (up to 48 kHz) it could be much less than half > the value at 48 kHz. This is why 'digital snakes' connecting > stage and FOH mixer use 96 kHz. Thanks for speaking up, Fons. I learn something new in everything you post. -- Joel Roth _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
