From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Occasional metallic sound when recording (cs46xx) Date: Fri, 07 Nov 2003 18:05:30 +0100 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <200310221739.h9MHd0m1024945@oud.linuxaudiosystems.com> <3F981FF3.4040902@gmx.at> <87oew7g4m9.fsf@canaima.chapus.net> <3FAAC709.8050509@cucumelo.org> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <3FAAC709.8050509@cucumelo.org> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Benny Sjostrand Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Thu, 06 Nov 2003 23:11:21 +0100, Benny Sjostrand wrote: > > > > > > >then it sounds like the specific problem for cs46xx driver. > >i guess some drift occured during the sample rate conversion or so. > >please check whether the same symptom happens on 48000Hz ? > > > > > > > Sorry that I've been lost from the list from a long time ... > > Your right this sympton may be specific for the cs46xx, I've > been experiencing this sympton with JACK and Ardour several > times. > > The sample rate should not matter. > My guess is that internal buffers occasionally get unsynchronized inside > the DSP, > may happen on playback too. > > The only I've found to get around the problem when it happens is to > restart the playback or capturing process. does changing ADC volume (or so, sorry, i forgot the detail) fix? IIRC, one post mentioned that. anyway, it'd be helpful for debugging if someone can reproduce this certainly under a fixed condition... Takashi ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/