From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Pate plugin problem? Date: Mon, 05 Jul 2004 15:15:54 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <40E59061.10605@superbug.demon.co.uk> <40E951BA.1080609@nc.rr.com> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <40E951BA.1080609@nc.rr.com> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Francisco Moraes Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Mon, 05 Jul 2004 09:03:54 -0400, Francisco Moraes wrote: > > On the EMU10K1X driver, when I capture sound at 48000, everything sounds > good. Whenever I use a lower sample rate, the sound has noticeble cracks. > > It seems this is a problem in the rate conversion plugin. Has anyone > tested this kind of downward rate conversion sucessfully? Any > suggestions on how to find/fix the problem? It works fine on ICH and VIA82xx chips. A possible reason would be that the period size isn't aligned suitably for your soundchip when the rate conversion is applied. Check the hw_params in the case of non-48kHz. Takashi ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com