Changes between Version 45 and Version 46 of Encode/AAC
- Timestamp:
- Feb 16, 2016, 5:57:05 PM (10 years ago)
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Encode/AAC
v45 v46 144 144 ---- 145 145 146 == libfaac == 147 148 Freeware Advanced Audio Coder. Requires ffmpeg configuration with `--enable-libfaac --enable-nonfree`. Note that you will not get as good results as with `libfdk_aac`. 149 150 ==== Variable Bit Rate (VBR) Example ==== 151 {{{ 152 ffmpeg -i input.wav -c:a libfaac -q:a 100 output.m4a 153 }}} 154 155 Range for `-q:a` is 10-500 and is similar to using the `-q` option in standalone `faac`. 100 is a good value to try. 156 157 ==== Average Bit Rate (ABR) Example ==== 158 {{{ 159 ffmpeg -i input.wav -c:a libfaac -b:a 192k output.m4a 160 }}} 161 162 `libfaac` does not support a true Constant Bit Rate (CBR) mode. 163 164 ---- 165 146 166 == libvo_aacenc == 147 167 … … 153 173 154 174 [http://tipok.org.ua/node/17 AAC+] encoding library. Support for this library has been removed since FFmpeg 2.9/3.0. Use the native FFmpeg encoder instead: it is found to be better in almost all inputs. 155 156 ----157 158 == libfaac ==159 160 Freeware Advanced Audio Coder. Requires ffmpeg configuration with `--enable-libfaac --enable-nonfree`. Note that you will not get as good results as with `libfdk_aac`.161 162 ==== Variable Bit Rate (VBR) Example ====163 {{{164 ffmpeg -i input.wav -c:a libfaac -q:a 100 output.m4a165 }}}166 167 Range for `-q:a` is 10-500 and is similar to using the `-q` option in standalone `faac`. 100 is a good value to try.168 169 ==== Average Bit Rate (ABR) Example ====170 {{{171 ffmpeg -i input.wav -c:a libfaac -b:a 192k output.m4a172 }}}173 174 `libfaac` does not support a true Constant Bit Rate (CBR) mode.175 175 176 176 ----
