Subject: Re: NonIntrusive Audio Quality Assessment From: =?iso-8859-1?Q?Lars_Bramsl=F8w?= <lab(at)OTICON.DK> Date: Thu, 6 Oct 2005 21:11:04 +0200Dear Dermot and list, As I understand 'non-intrusive' it means without the reference signal, which means assessing transmission quality solely on the output of the system, just as you would when listening to radio or telephone. Most measures such as PEAQ and PSQM are intrusive, because you have to 'break' the circuit and insert your known reference signal. A few measures have been developed without reference, one being my Ph.D. thesis (surprise:-), which was an investigation on the feasibility of an objective measure for estimation of reproduced sound quality in hearing aids. Both normal-hearing and hearing-impaired listeners were modeled. I have just published a summary paper on my thesis in the recent issue of Acta Acustica: L. Bramsløw (2004): An Objective Estimate of the Perceived Quality of Reproduced Sound in Normal and Impaired Hearing, Acta Acustica 90(6), 1007 - 1018 This issue has a thematic section based on the 2003 ISCA workshop on 'Auditory Quality of Systems' and contains several interesting papers that are good starting points for an overview of sound quality measures. Some of these references were mentioned in another reply to your posting. See: http://www.eaa-fenestra.org/Products/ActaAcustica/PastIssues/#90_6 My thesis (3 out of 4 reports) is available here: Objective Scaling of Sound Quality for Normal-Hearing and Hearing-Impaired Listeners : http://www.dat.dtu.dk/docs/LA_report_54.pdf A neural network model for prediction of sound quality: http://www.dat.dtu.dk/docs/LA_report_53.pdf An auditory model with hearing loss: http://www.dat.dtu.dk/docs/LA_report_52.pdf I hope this can be of help. Regards, Lars Bramsløw -----Original Message----- From: AUDITORY Research in Auditory Perception [mailto:AUDITORY(at)LISTS.MCGILL.CA] On Behalf Of Dermot Martin Campbell Sent: 5. oktober 2005 11:26 To: AUDITORY(at)LISTS.MCGILL.CA Subject: NonIntrusive Audio Quality Assessment Hello, I am a new memebr to the group. I am currently starting some research into the area of audio quality. I know that many papers have been done on speech quality but I have found nothing on 'audio' (speech and music) quality through Non Intrusive means. Can anyone tell me of any work done or been done in Objective NonIntrusive Audio Quality assessment.?? Regards and Thanks, Dermot Campbell, Student.