Re: [linux-audio-dev] Calculating Latency

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Subject: Re: [linux-audio-dev] Calculating Latency
From: Paul Winkler (pw_lists_AT_slinkp.com)
Date: Thu Sep 11 2003 - 19:14:04 EEST

On Thu, Sep 11, 2003 at 12:12:24PM -0400, Paul Winkler wrote:
> On Thu, Sep 11, 2003 at 08:46:54AM -0700, Greg Reddin wrote:
> > What is the formula for calculating latency in Jack? For example, I
> > start jackd with a period size of 256 and 2 periods, a sample rate of
> > 44100. Using a mic input and FreqTweak, that's pretty close to
> > inaudible latency to my ears. How do I calculate the actual ms value
> > of that?
> >
> > I apologize if information is readily available. I couldn't find it.
>
> I believe it's sr / n * p, or for your example,
> 44100.0 / 256 * 2 = 0.0116 seconds.

aargh I inverted it.
n * p / sr
2 * 256 / 44100 

-- 

Paul Winkler
http://www.slinkp.com
Look! Up in the sky! It's HALF WOODENPOLECAT HUNTSMAN!
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