AES Store

Journal Forum

Reflecting on Reflections - June 2014
1 comment

Quiet Thoughts on a Deafening Problem - May 2014
1 comment

Perceptual Effects of Dynamic Range Compression in Popular Music Recordings - January 2014
5 comments

Access Journal Forum

AES E-Library

The Effect of Room Acoustics on MP3 Audio Quality Evaluation

The impact of using loudspeaker versus headphone playback on the subjective quality of compressed audio is investigated. It is shown that reverberation and to a lesser extent cross-talk, which both are introduced naturally in loudspeaker playback, can effectively hide coding artifacts. In double blind listening tests subjects had to rate MP3 coded excerpts at various bit-rates. The excerpts were played back over headphones. Reverberation and cross-talk were introduced artificially to simulate loudspeaker playback, so that their impact could be assessed separately. Results show that quality scores of the reverberated excerpts were significantly higher than for the corresponding 'dry' excerpts for 64 kb/s bit-rate while these differences diminished with increasing bit-rate. This indicates that coding artifacts can become less audible in reverberant listening conditions.

Authors:
Affiliation:
AES Convention: Paper Number:
Publication Date:
Subject:

Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!

This paper costs $20 for non-members, $5 for AES members and is free for E-Library subscribers.

Learn more about the AES E-Library

E-Library Location:

Start a discussion about this paper!


 
Facebook   Twitter   LinkedIn   Google+   YouTube   RSS News Feeds  
AES - Audio Engineering Society