Changes between Version 29 and Version 30 of Encode/HighQualityAudio


Ignore:
Timestamp:
Sep 17, 2013, 5:33:41 PM (6 years ago)
Author:
Kamedo2
Comment:

Reflect results of recent listening tests.

Legend:

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  • Encode/HighQualityAudio

    v29 v30  
    4242Based on quality produced from high to low:[[BR]]
    4343{{{
    44 libopus >= libfdk_aac >= libvorbis >= libmp3lame > eac3/ac3 > libfaac > libtwolame >= aac > mp2 > vorbis > wmav2/wmav1 > libvo_aacenc
     44libopus >= libvorbis >= libfdk_aac > libmp3lame >= eac3/ac3 >= libfaac > libtwolame >= aac > mp2 > vorbis > wmav2/wmav1 > libvo_aacenc
    4545}}}
    4646
    4747For AAC only: (Because it is a little bit confusing, with 4 encoders available)[[BR]]
    4848{{{
    49 libfdk_aac > libfaac >= aac > libvo_aacenc
     49libfdk_aac > libfaac > aac > libvo_aacenc
    5050}}}
    5151
     
    158158}}}
    159159- '''libtwolame''' Usable range >= 192kbps. Recommended range '''>= 256Kbps'''[[BR]]
    160 - '''aac''' Usable range >= 256kbps. Recommended range '''-cutoff 15000 >= 256Kbps'''[[BR]]
     160- '''aac''' Usable range >= 192kbps. Recommended range ''' 240Kbps'''[[BR]]
    161161Example of usage:
    162162{{{
    163 ffmpeg -i input.wav -c:a aac -b:a 256k -strict -2 -cutoff 15000 output.m4a
     163ffmpeg -i input.wav -c:a aac -b:a 240k -strict -2 output.m4a
    164164}}}
     165{{{#!comment
     166 The cutoff is automatically applied since 2012 July, so end users don't need to set -cutoff 15000 manually.
     167Currently(2013 August), higher bitrate such as 320kbps causes trouble. 240kbps is safe. https://ffmpeg.org/trac/ffmpeg/ticket/2686
     168}}}
     169
    165170- '''mp2''' Usable range >= 320kbps. Recommended range '''>= 320Kbps'''[[BR]]
    166171