[mythtv-users] Underwater audio
Michael T. Dean
mtdean at thirdcontact.com
Fri Feb 29 19:48:32 UTC 2008
On 02/29/2008 04:18 AM, Gregorio Gervasio, Jr. wrote:
> Based on limited testing, it's "fragment_size" rather than
> "buffer_time" that's affecting this specific "underwater" problem:
>
> 1. (rev 15893)
> fragment_size = (audio_bits * audio_channels * audio_samplerate) / (8*30);
> buffer_time = 100000;
> -> BAD -- underwater effect
>
> 2. (pre 15893)
> fragment_size = 6144;
> buffer_time = 500000;
> -> OKAY
>
> 3.
> fragment_size = (audio_bits * audio_channels * audio_samplerate) / (8*30);
> buffer_time = 120000;
> -> BAD -- underwater effect
>
> 4.
> fragment_size = (audio_bits * audio_channels * audio_samplerate) / (8*30);
> buffer_time = 500000;
> -> BAD -- underwater effect
>
> 5.
> fragment_size = 6144;
> buffer_time = 100000;
> -> better -- sounds okay but audio is sometimes lost when skipping
> around (need to exit and restart)
>
> 6.
> fragment_size = 6144;
> buffer_time = 120000;
> -> OKAY
>
> I will try out this last setting for a while.
>
Thank you very much for testing this. Posting the information to the
-dev list would probably make it a lot easier for Mark Spieth to find
the info so he can use it to fix the problem. Please also mention
ticket #4764 in the subject.
Thanks, again,
Mike
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