Re: achieving very low latency
Re: achieving very low latency
- Subject: Re: achieving very low latency
- From: Dave Fernandes <email@hidden>
- Date: Thu, 05 Jul 2012 10:44:18 -0400
The OP defined latency as the time between physical button press and sound output. Does Core Audio (or other framework) provide a low latency way to react to the button press?
Dave
On 2012-07-05, at 10:30 AM, Markus Fritze wrote:
> Any current Mac supports 16 sample buffer settings and it works just fine. That would be a theoretical 360us of latency @ 44100 Hz without considering the hardware latency of D/A converters,. If you only need a stereo signal, there is no reason to use external hardware for low latency.
>
>
> Markus
>
>> In the experiment, a physical pushbutton is pressed (the old system used a
>> National Instruments card to record this; I am using an Arduino) that plays
>> a sound. I am referring to latency as the time between when the physical
>> button is pressed and when the sound outputs from the audio jack. I have
>> been measuring this with an oscilloscope.
>
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