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From: marcin kowalski <yoshi314@gmail.com>
To: hermann pitton <hermann-pitton@arcor.de>
Cc: linux-dvb@linuxtv.org
Subject: Re: [linux-dvb] hvr-1300 analog audio question
Date: Sat, 5 Jul 2008 13:03:22 +0200	[thread overview]
Message-ID: <20080705110322.GA3898@watanabe> (raw)
In-Reply-To: <51029ae90807050218v3c10b69bl261690ac3d9ed680@mail.gmail.com>

On 11:18 Sat 05 Jul     , yoshi watanabe wrote:
> one small update. when i run the arecord | aplay combo with these parameters :
> 
> arecord -D hw:1,0 -c 2 -f S16 --period-size=8192 --buffer-size=524288 | aplay -
> 
> or with omitting the --period-size=8192 --buffer-size=524288
> 
> i hear noise. but when i start tvtime, right after video appears on
> screen i usually get 1-2 seconds of clear audio, and then noise comes
> in. i might be on to something. when i discard the buffering
> parameters sometimes arecord or aplay complain about buffer underrun.
> tvtime does not use cx88 mixes by default, by if i specify /
> 
> also this command
>  arecord -D hw:1,0 -c 2 -f S16_LE --period-size=65536
> --buffer-size=524288 -r 48000| aplay -r 48000 -
> 
> gives me very few errors now. noise pick ups when the sounds get
> louder though, but feel i'm really close now.
> 
> this is on a freshly installed system with mpeg encoder module
> disabled. i'll do some more testing.
> 
> 
this mail got strangely garbled when i sent it. it certainly didn't look like this when i sent it.

the thing is - i'm pretty close to success. i'll try building cx88 modules from ~rmcc branch to see whether they make a 
difference.


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  reply	other threads:[~2008-07-05 11:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-30  9:03 [linux-dvb] hvr-1300 analog audio question yoshi watanabe
2008-06-30  9:24 ` Simon Farnsworth
     [not found]   ` <51029ae90806300304s106305u36be341e80b69b2a@mail.gmail.com>
2008-06-30 10:11     ` Simon Farnsworth
2008-06-30 12:36       ` yoshi watanabe
2008-06-30 15:04         ` marcin kowalski
2008-06-30 23:57   ` hermann pitton
2008-07-01  5:20     ` marcin kowalski
2008-07-05  9:18       ` yoshi watanabe
2008-07-05 11:03         ` marcin kowalski [this message]
2008-07-05 22:56           ` hermann pitton
2008-07-06 12:08             ` marcin kowalski

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