Resampling Audio Repeater with Jitter Measurement

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  • February 4, 2011 at 9:54 pm #1052
    JesseG
    Member

    [quote author=”Leif”]Written by yours truly the last three days. Same audio i/o code as all Breakaway products. Supports KS, Wave, DS.

    http://www.ceaudio.com/beta/AudioResampler.zip

    This will help me finally get to the bottom of the Breakaway Pipeline issues.

    This project will, among other things, help you find the optimum block size for your sound card. The optimum block size is achieved when you have the lowest jitter (20% is ok, 50% or above is bad) and if you have jitter as low as 20% you should be able to just use 2 buffers with kernel streaming.

    It is also a nice, light, multi-instance capable audio repeater with meters and my high quality asynchronous adaptive sample rate converter.

    Oh, and it’s free too.

    Enjoy!

    ///Leif[/quote]

    February 6, 2011 at 3:37 pm #11850
    knigget
    Member

    Whats the ‘over’ and ‘under’ about?

    Through changing the buffer count and size, I have got the jitter down to 3% but have ‘over’ = 0, ‘under’ = 3.

    Any help, much appreciated as always.

    February 7, 2011 at 5:22 am #11851
    JesseG
    Member

    those are over-runs and under-runs of the buffers.

    February 8, 2011 at 3:26 pm #11852
    timmywa
    Participant

    Would be killer if you could change the settings in real-time, instead of setting, playing, stopping, re-setting, playing, etc…

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