Return-Path: Message-Id: From: Marcel Holtmann To: BlueZ development In-Reply-To: <001701c93b42$b28bb370$17a31a50$@de> Mime-Version: 1.0 (Apple Message framework v929.2) Date: Fri, 31 Oct 2008 19:50:43 +0100 References: <001d01c93a9f$6f2c8710$4d859530$@de> <1225380052.4626.8.camel@hoene-desktop> <001701c93b42$b28bb370$17a31a50$@de> Subject: Re: [Bluez-devel] FW: REALLY Bad encoding performance of Linux SBC audio codec Reply-To: BlueZ development List-Id: BlueZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Errors-To: bluez-devel-bounces@lists.sourceforge.net Hi Christian, >> It would be ideal to have automated tests for codec quality that >> don't >> require windows and that we could run before commits to track our >> progress. > > Wine will be needed for the reference implementation, which is only > available for Windows. with the exception that the reference encoder will run into a busy loop for the first two test samples of the encoding conformance testing. >> We could prepare some encoding/decoding samples with the >> reference codec and store them in the project or somewhere online. >> The >> one test we couldn't do this way is to encode with our codec and >> decode with the reference. > >> Are there free tools for checking the quality and for comparing >> signal/noise and overall volume? If you can detail the process you >> use >> that would help. > > Currently, I use PEAQ, which is quite expensive (6000 EUR). It > provides you > will a couple of parameters regarding the audio quality. I am not > aware of a > good open source implementation of PEAQ. Please look at our sbctester tool. It should do the right thing. Regards Marcel ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel