Return-Path: Subject: Re: Testing SBC filtering functions From: Marcel Holtmann To: Siarhei Siamashka Cc: hoene@uni-tuebingen.de, 'ext Brad Midgley' , 'Jaska Uimonen' , linux-bluetooth@vger.kernel.org In-Reply-To: <200812291306.02281.siarhei.siamashka@nokia.com> References: <1227879337.20555.12.camel@esdhcp03999.research.nokia.com> <1230032888.8047.34.camel@californication> <001501c96996$20018070$60048150$@hoene@gmx.net> <200812291306.02281.siarhei.siamashka@nokia.com> Content-Type: text/plain Date: Mon, 29 Dec 2008 13:04:29 +0100 Message-Id: <1230552269.15666.11.camel@californication> Mime-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi Siarhei, > > I wrote this script to make some tests on the SBC decoder and encoder using > > the recommended testing procedure with the reference bitstreams, the > > reference codec and PEAQ. > > http://net.cs.uni-tuebingen.de/html/nexgenvoip/html/ > > I got little bit confused with all the latest patches and whether they are > > included or not. Just send me an email on which patch you like to have > > tested. Running the tests just takes half an hour; me to answer my emails > > maybe a bit longer. > > Please try the following patch (apply it to the latest git): > http://marc.info/?l=linux-bluetooth&m=123054787830678&w=2 > > You can try the patch "as is", and also with SBC_HIGH_PRECISION define > uncommented. High precision mode is naturally more likely to pass the > conformance tests. > > I used my own script for testing with 'tiny_psnr' tool for comparing original file > before encoding and the final decoded result (it measures standard deviation > and PSNR). It would be interesting to see how our results correlate. can you open source tiny_psnr an we merge it into the BlueZ source? Regards Marcel