Comment 3 for bug 1192713

I could not reproduce it. My example file:
$ mediainfo example.amr
General
Complete name : example.amr
Format : AMR
Format/Info : Adaptive Multi-Rate
File size : 94.5 KiB
Duration : 1mn 0s
Overall bit rate mode : Constant
Overall bit rate : 12.8 Kbps

Audio
Format : AMR
Format/Info : Adaptive Multi-Rate
Format profile : Narrow band
Duration : 1mn 0s
Bit rate mode : Constant
Bit rate : 12.8 Kbps
Channel(s) : 1 channel
Sampling rate : 8 000 Hz
Bit depth : 13 bits
Stream size : 94.5 KiB (100%)