From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valerio Tesei Subject: Re: Multistreaming Playback using Front Panel Headphone with realtek codec Date: Thu, 05 May 2011 21:50:59 +0200 Message-ID: <4DC2FFA3.9040601@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ww0-f51.google.com (mail-ww0-f51.google.com [74.125.82.51]) by alsa0.perex.cz (Postfix) with ESMTP id 4526510381C for ; Thu, 5 May 2011 21:51:03 +0200 (CEST) Received: by wwf26 with SMTP id 26so2120318wwf.20 for ; Thu, 05 May 2011 12:51:02 -0700 (PDT) In-Reply-To: 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: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Il 04/05/2011 17:42, Raymond Yau ha scritto: > Request for testers to test the patch > > Multistreaming allows you to listen to one audio source through the back > panel speakers and a second audio source through front panel headphones or > speakers. > > Hardware requirement > 1) 10 channels realtek codec (e.g. alc892) which already work with > model=auto > 2) Headphone at front panel and Line out at rear panel > > "hw:0,0" is used for the rear panel audio jack > "hw:0,2" is used for the front panel headphone when "Independent HP" is > switched ON > > Add an "Independent HP" switch to turn this feature on/off for desktop for > those HDA codec > > Test: > 1) speaker-test -c 8 -t wav -Dhw:0,0 > 2) speaker-test -c 2 -t wav -Dhw:0,2 > > It will need modification to support this feature for those desktop with 8 > channels codec > > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@alsa-project.org > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel So i made the test, i correctly hear the tests, 7 outputs for the rear panel, and 2 for the front, but when i play the first test, i hear on the front panel some noise and realy crackly and whispered the tests when front left and front right are played, i guess it is not normal, may this help? -- *Email:* valerio.tesei@gmail.com *Cellulare:* +39.3394768306 *Gtalk:* valerio.tesei@gmail.com *LinkedIn:* http://www.linkedin.com/pub/valerio-tesei/22/a87/577