Hi Tim, this one works really well with only about 4 ms measured latency at 64 samples hardware buffer. There is a small problem just as before seemingly not related to the scheduler stuff (mainly after changing the hardware buffer size) which sounds like half-filled buffers. A new problem is the loss of adc input at some point. I'll report more detailed later on.
keep up the good work! Thomas
----- Original Message ----- From: "Tim Blechmann" TimBlechmann@gmx.net To: pd-announce@iem.at Sent: Monday, November 29, 2004 10:52 PM Subject: [PD-announce] devel_0_38 binaries with asio & callback based scheduling
hi all
i hope, i fixed all the bugs, so please test the latest windoze binary for the callback-based dsp scheduling with asio ...
www.geocities.com/themokabar/software.html
cheers ... tim
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this one works really well with only about 4 ms measured latency at 64 samples hardware buffer.
although this is really good news i'm curious ... which sample rate have you been using? at 44100 and 2 * 64 samples it should only be 2.9 ms ... (2.6 with 48000) ... possibly we lose another 64 samples somewhere in the dsp tick (miller?)
There is a small problem just as before seemingly not related to the scheduler stuff (mainly after changing the hardware buffer size) which sounds like half-filled buffers. A new problem is the loss of adc input at some point. I'll report more detailed later on.
i'll check it later ...
although this is really good news i'm curious ... which sample rate have you been using? at 44100 and 2 * 64 samples it should only be 2.9 ms ... (2.6 with 48000) ... possibly we lose another 64 samples somewhere in the dsp tick (miller?)
I think that's ok since it's measured ADA latency... normally AD and DA conversion lose about 1 ms each. I'll check later with digital loopback.
best greetings, Thomas