From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ug-out-1314.google.com ([66.249.92.169]) by www.linuxtv.org with esmtp (Exim 4.63) (envelope-from ) id 1KF5Yi-0007hf-I6 for linux-dvb@linuxtv.org; Sat, 05 Jul 2008 13:04:05 +0200 Received: by ug-out-1314.google.com with SMTP id m3so963420uge.20 for ; Sat, 05 Jul 2008 04:04:01 -0700 (PDT) Date: Sat, 5 Jul 2008 13:03:22 +0200 From: marcin kowalski To: hermann pitton Message-ID: <20080705110322.GA3898@watanabe> References: <51029ae90806300203p2d5fbf6bo7a28391b59553599@mail.gmail.com> <4868A644.5030806@onelan.co.uk> <1214870271.2623.33.camel@pc10.localdom.local> <20080701052044.GA3846@watanabe> <51029ae90807050218v3c10b69bl261690ac3d9ed680@mail.gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <51029ae90807050218v3c10b69bl261690ac3d9ed680@mail.gmail.com> Cc: linux-dvb@linuxtv.org Subject: Re: [linux-dvb] hvr-1300 analog audio question List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linux-dvb-bounces@linuxtv.org Errors-To: linux-dvb-bounces+mchehab=infradead.org@linuxtv.org List-ID: 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. _______________________________________________ linux-dvb mailing list linux-dvb@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb