Subject: Re: [AUDITORY] PESQ From: Stefan Bleeck <bleeck@xxxxxxxx> Date: Wed, 24 Jul 2013 11:44:52 +0100 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>Dear Omid, your doubt qualifies you as a scientist :) I could not believe it either... Here is the web site: http://www.opticom.de/licensing/pesq.php These are the exact numbers (obtained from Opticom by email): PEXQ SW Suite incl. POLQA (executable) regular is 8.900,00 EUR ./. academic discount 30 %. (To clarify: it's a one-off, not per annum) It was made clear to me that I cannot publish results obtained using my PESQ code in an academic journal without a license. The algorithms are freely available (I got them from Loizou's fantastic "speech enhancement" book), but that apparently doesn't mean that we can use them for free... All of that now raises the question: what is the best speech quality algorithm that we can use for free. My current favourite: segSNR. But I am not sure any more that this actually IS free. What do you think? Stefan On 24 July 2013 05:44, Sadjadi, Omid <sadjadi@xxxxxxxx> wrote: > Can you point us to the document that has this information? I highly doubt this. > > The paper describing PESQ is publicly available (to IEEE members), which means everyone can implement and use this metric: > > A.W. Rix, J.G., Beerends, M.P. Hollier and A.P. Hekstra, "Perceptual evaluation of speech quality (PESQ)-a new method for speech quality assessment of telephone networks and codecs," in Proc. IEEE ICASSP, Salt Lake City, UT, May 2001, pp.749-752. > > Omid > ________________________________________ > From: AUDITORY - Research in Auditory Perception [AUDITORY@xxxxxxxx on behalf of Stefan Bleeck [bleeck@xxxxxxxx > Sent: Tuesday, July 23, 2013 9:43 AM > To: AUDITORY@xxxxxxxx > Subject: [AUDITORY] PESQ > > I just found out that the _academic_ use of PESQ (perceptual > evaluation of speech quality, ITU recommendation P.862), that is > described with MATLAB source code in Loizou's Speech Enhancement > book, requires a license that costs around $7000 per year. I write > this as a warning for others against using it (unless you happen to > have the spare cash), because we didn't know this and did a lot of > work with it that we now can't publish. > > > -- > Dr. Stefan Bleeck > Hearing and Balance Centre > Institute of Sound and Vibration Research > Faculty of Engineering and the Environment > University of Southampton, SO17 1BJ, UK > Room 4093, Tizard building (13) > bleeck@xxxxxxxx Tel.: 02380 596682 -- Dr. Stefan Bleeck Hearing and Balance Centre Institute of Sound and Vibration Research Faculty of Engineering and the Environment University of Southampton, SO17 1BJ, UK Room 4093, Tizard building (13) bleeck@xxxxxxxx Tel.: 02380 596682