/usr/share/gstreamer-0.10/presets/GstAmrnbEnc.prs is in gstreamer0.10-plugins-ugly 0.10.18.3-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | [_presets_]
version=0.10
element-name=GstAmrnbEnc
[enhance-size]
_meta/comment=Maximize compression, lowest bitrate
band-mode=0
[enhance-quality]
_meta/comment=Maximize quality, highest bitrate
band-mode=7
|