[FFmpeg-devel] [PATCH 2/2] libavcodec: Implementation of AC3 fixed point decoder

Nedeljko Babic Nedeljko.Babic at imgtec.com
Mon Apr 15 16:15:12 CEST 2013

>>>4) Third, quality-wise, how do you validate the quality?
>>>Something like outputting both float and FP decoders to 16bits signed,
>>>and computing the MSE/max error?
>>>Having some figures could be interesting.
>> We are comparing wav files generated by fixed and floating point decoders.
>> Max. difference on our test streams is 4 LSB bits when downsampling and 1 LSB bit
>> without downsampling.
>What do you call "downsampling"? Output to s16 or s32?

It should be downmixing, not downsampling... I was a little absentminded... Sorry...


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