Re: measuring music playback quality (Christopher Hummersone )

Subject: Re: measuring music playback quality
From:    Christopher Hummersone  <Christopher.Hummersone@xxxxxxxx>
Date:    Thu, 26 Jan 2012 10:58:28 +0000

Marc, Some colleagues of mine ran tests like this a few years ago. See: Beresford, K, Ford, N, Rumsey, F and Zielinski, SK (2006) Contextual effects on sound quality judgements: listening room and automotive environments, 120th AES Convention, Paper 6648, Beresford, K., Ford, N., Rumsey, Francis and Zielinski, Slawomir (2006) Contextual effects on sound quality judgements: Part 2 multi-stimulus vs. single stimulus method, 121st AES Convention, Paper 6913, They found a single stimulus method to be invalid under their particular experimental setup. I think the point is that everyone has an internal reference: an idea of what sounds good, based on their experience. This can vary dramatically between people, and can be biased by many factors. The identified reference in multi-stimulus experiments attempts to minimise this effect by providing everyone with a common reference. Chris On 24 Jan 2012, at 07:48, Marc Schoenwiesner wrote: > Dear all, > > I am trying to get an overview of different methods that have been > used to measure the perceived quality of a music recording with the > goal to evaluate different loudspeakers, playback systems, earplugs, > etc. > I have seen a number of papers that compare two or more setups by > asking listeners which recording they prefer. I have not come across a > measure of absolute quality rather than quality comparisons, for > instance by asking the (expert) listener to rate the quality of a > single system. Is anyone aware of such an experiment? (I am > particularly interested in absence of spectral colouring and > distortions, but any example will do.) > > Best, > Marc > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program.

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