From mboxrd@z Thu Jan 1 00:00:00 1970 From: Artem Makhutov Subject: Re: Huawei K3715 UMTS stick and alsa Date: Fri, 31 Jul 2009 00:38:37 +0200 Message-ID: <4A7220ED.6050406@makhutov.org> References: <20090726224300.GA26953@titan.makhutov-it.de> <4A6EAA7E.4090207@ladisch.de> <20090729093331.GB26953@titan.makhutov-it.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from bane.moelleritberatung.de (bane.moelleritberatung.de [77.37.2.25]) by alsa0.perex.cz (Postfix) with ESMTP id 22EBF24470 for ; Fri, 31 Jul 2009 00:38:41 +0200 (CEST) In-Reply-To: <20090729093331.GB26953@titan.makhutov-it.de> 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: Clemens Ladisch Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Hello, Artem Makhutov schrieb: > [...] > I have done some small test with some AT commands using Windows and was trying > to get audio to COM16 without the "Mobile Partner" software. But it did not > worked. > >>> The payload of this interfaces is 320 bytes. >> How many bytes per second? The phone is sending 320 bytes every 20ms. So one second of call is 16000 bytes. I finally managed to write the captured payload data to a file. I can playback the audio now using aplay -r 8000 -c 1 -f S16_LE test.wav If you send the AT-Command "AT^CVOICE?" to the card then it will answer with "^CVOICE:0,8000,16,20" it is also possible to change this setting. So I think that the card should be able to output other audio formats too (like 3G wideband audio), but I have not tested this command out. The next thing to do is to find out how to make the UMTS-Card output sound without using the "Mobile Partner" application. Regards, Artem