On Mar 15, 11:05 pm, Glenn Kasten <gkas...@android.com> wrote:
> For more accurate measurements of audio output latency, one method is
> to send an impulse through audio out at same time as a known low
> latency path (for example a level change on a GPIO parallel output
> pin), and compare the times to see the audio impulse out and the level
see the audio impulse out ? How can I do this with high accuracy. You
know, I can not depend on my ear. And I just have a Nexus S, and no
hardware access.
Is it possible to get following data with high accuracy by API/
software?
1. cold output latency
2. warm output latency
3. continuous output latency
4. cold input latency
5. continuous input latency

> change. A similar method, in reverse, could be used for audio input.
>
> On Mar 14, 12:20 pm, "David O." <ave...@gmail.com> wrote:
>
>
>
> > Is there a standardized/preferred method for validating the section
> > 5.3 Audio Latency requirements? It's not clear to me if CTS covers
> > audio latency testing.
>
> > Thanks,
> > David- Hide quoted text -
>
> - Show quoted text -

-- 
unsubscribe: android-porting+unsubscr...@googlegroups.com
website: http://groups.google.com/group/android-porting

Reply via email to