From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Marc Valin Subject: Re: [Alsa-devel] Quality resampling code for libasound Date: Thu, 22 Mar 2007 02:34:31 +1100 Message-ID: <46015087.6090003@usherbrooke.ca> References: <45D92131.50601@usherbrooke.ca> <45D99DF7.90204@usherbrooke.ca> <45D9A848.9040803@usherbrooke.ca> <45DA8CD2.1040606@usherbrooke.ca> <45DAE188.6010405@usherbrooke.ca> <45DAEBB8.70808@usherbrooke.ca> <45DB713F.9090804@superbug.co.uk> <45DC0E52.1060805@usherbrooke.ca> <45DD8329.6080809@usherbrooke.ca> <45E4E4A5.6020405@usherbrooke.ca> <45EF5FE1.5080407@usherbrooke.ca> <45FFE014.1080100@usherbrooke.ca> <45FFEAA9.4040606@usherbrooke.ca> <4600539A.2070804@usherbrooke.ca> <46012E39.3020201@usherbrooke.ca> <46014EDE.6090700@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from idefix.homelinux.org (142.163.233.220.exetel.com.au [220.233.163.142]) by alsa0.perex.cz (Postfix) with ESMTP id CC31E243C7 for ; Wed, 21 Mar 2007 16:34:32 +0100 (CET) In-Reply-To: <46014EDE.6090700@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Rene Herman Cc: alsa-devel@alsa-project.org, James Courtier-Dutton List-Id: alsa-devel@alsa-project.org > Users of these distributions would then have to be fairly familiar with > alsa to know they could improve sound by recompiling alsa-lib against > the speex libraries, but given that it's (also) dirt cheap soundcards > that need the resampling, their users aren't too likely to _be_ fairly > familiar. They'd just observe (still) that their sound is "much better > on windows". Oh, I meant using a copy of the pph code in the mean time, not the current linear interpolation resampler. > If the standard code is as lousy as I've read in this thread, keeping it > as default is probably not the best thing. It's worse than you think :-) Try playing an 8 kHz file to a soundcard that only does 44.1/48. It's just horrible. Jean-Marc