Last modified: Dec 17 CET 2008

Audio Coding Samples used in MUSHRA

subjective quality evaluation (ITU-R BS.1534)


Audio sample

Orig

WB-FDLP

LAME-MP3

MPEG4 HE-AAC

48kHz, mono

PCM (16bit)

66 kbps

64 kbps

64 kbps

dongwoo

wav

wav

wav

wav

es02

wav

wav

wav

wav

louis_raquin

wav

wav

wav

wav

noodleking

wav

wav

wav

wav

phi3

wav

wav

wav

wav

te09

wav

wav

wav

wav

trilogy

wav

wav

wav

wav

twinkle

wav

wav

wav

wav


Graphical interpretation of MUSHRA results:

Mean values and 95% confidence interval

MUSHRA results (all 22 listeners from 2 labs)

MUSHRA results

MUSHRA results (lab #1, 10 listeners)

MUSHRA results

MUSHRA results (lab #2, 12 listeners)

MUSHRA results

MUSHRA results (lab #1, expert listeners only)

MUSHRA results

MUSHRA results (lab #1, non-expert listeners only)

MUSHRA results