From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugtrack@alsa-project.org Subject: [ALSA - utils 0001990]: aplay/arecord cannot play/capture A_LAW Date: Mon, 10 Apr 2006 16:52:27 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from bugtrack.alsa-project.org (gate.perex.cz [85.132.177.35]) by alsa.jcu.cz (ALSA's E-mail Delivery System) with ESMTP id E7CE2184 for ; Mon, 10 Apr 2006 16:52:27 +0200 (MEST) Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org A NOTE has been added to this issue. ====================================================================== ====================================================================== Reported By: Raymond Assigned To: ====================================================================== Project: ALSA - utils Issue ID: 1990 Category: aplay/arecord Reproducibility: always Severity: major Priority: normal Status: new ====================================================================== Date Submitted: 04-01-2006 04:26 CEST Last Modified: 04-10-2006 16:52 CEST ====================================================================== Summary: aplay/arecord cannot play/capture A_LAW Description: aplay/arecord can play MU_LAW and the sound card support MU_LAW and A_LAW arecord -D hw:0,0 -f MU_LAW -t au -c 1 -r 8000 test.au aplay -D hw:0,0 test.au Try to use -t raw but the quality of A_LAW is very bad when compare with MU_LAW arecord -D hw:0,0 -f A_LAW -t raw -c 1 -r 8000 test.raw aplay -D hw:0,0 test.raw ====================================================================== ---------------------------------------------------------------------- Raymond - 04-08-06 07:47 ---------------------------------------------------------------------- cat test.raw > /dev/dsp or cat test.raw > /dev/audio Which of the above will play the sound correctly if test.raw is recorded by arecord -D hw:0,0 -f A_LAW -t raw -c 1 -r 8000 test.raw ? ---------------------------------------------------------------------- tiwai - 04-10-06 16:52 ---------------------------------------------------------------------- The OSS emulation doesn't support alaw format conversion, too. It's the same behavior as OSS/Free. Issue History Date Modified Username Field Change ====================================================================== 04-01-06 04:26 Raymond New Issue 04-03-06 07:16 Raymond Note Added: 0009085 04-03-06 07:36 Raymond Note Added: 0009086 04-07-06 19:32 tiwai Note Added: 0009152 04-08-06 07:47 Raymond Note Added: 0009171 04-10-06 16:52 tiwai Note Added: 0009199 ====================================================================== ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642