Changes between Version 29 and Version 30 of Encode/HighQualityAudio


Ignore:
Timestamp:
Sep 17, 2013, 5:33:41 PM (4 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