Changes between Version 29 and Version 30 of Encode/HighQualityAudio

Timestamp:

Sep 17, 2013, 2:33:41 PM (13 years ago)

Author:

Kamedo2

Comment:

Reflect results of recent listening tests.

Encode/HighQualityAudio

@@ -42 +42 @@
 Based on quality produced from high to low:[[BR]]
 {{{
-libopus >= libfdk_aac >= libvorbis >= libmp3lame > eac3/ac3 > libfaac > libtwolame >= aac > mp2 > vorbis > wmav2/wmav1 > libvo_aacenc 
+libopus >= libvorbis >= libfdk_aac > libmp3lame >= eac3/ac3 >= libfaac > libtwolame >= aac > mp2 > vorbis > wmav2/wmav1 > libvo_aacenc 
 }}}
 
 For AAC only: (Because it is a little bit confusing, with 4 encoders available)[[BR]]
 {{{
-libfdk_aac > libfaac >= aac > libvo_aacenc
+libfdk_aac > libfaac > aac > libvo_aacenc
 }}}
 
@@ -158 +158 @@
 }}}
 - '''libtwolame''' Usable range >= 192kbps. Recommended range '''>= 256Kbps'''[[BR]]
-- '''aac''' Usable range >= 256kbps. Recommended range '''-cutoff 15000 >= 256Kbps'''[[BR]]
+- '''aac''' Usable range >= 192kbps. Recommended range ''' 240Kbps'''[[BR]]
 Example of usage:
 {{{
-ffmpeg -i input.wav -c:a aac -b:a 256k -strict -2 -cutoff 15000 output.m4a
+ffmpeg -i input.wav -c:a aac -b:a 240k -strict -2 output.m4a
 }}}
+{{{#!comment
+ The cutoff is automatically applied since 2012 July, so end users don't need to set -cutoff 15000 manually.
+Currently(2013 August), higher bitrate such as 320kbps causes trouble. 240kbps is safe. https://ffmpeg.org/trac/ffmpeg/ticket/2686 
+}}}
+
 - '''mp2''' Usable range >= 320kbps. Recommended range '''>= 320Kbps'''[[BR]]