[M4IF Technotes] Testing audio Decoder

Harisha V VHarisha soc-soft.com
Fri Mar 28 09:26:26 EST 2003


Hi MPEG experts
This question related to Testing of MPEG-4 audio decoder. The procedure of Testing of audio decoder for conformance states that compare output of decoder under test with standard decoder for sine sweep and if difference in the RMS lies within range as specified by ISO/IEC ,then it is called as MPEG-4 Audio Decoder with absolute accuracy.
 What about Testing of other musical test sequences ? Since my decoder can able to decode maximum of 7.1 channels 
Is my decoder still be called as decoder with absolute accuracy or should I need to check for all 48+16 channels (48 main and 16 LFE)
Can any one answer this question?
Harish
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