General
Complete name                            : [Subara]Toaru Kagaku no Railgun S Menu [418EB70A].m4a
Format                                   : MPEG-4
Format profile                           : Apple audio with iTunes info
Codec ID                                 : M4A
File size                                : 2.41 MiB
Duration                                 : 2mn 12s
Overall bit rate mode                    : Variable
Overall bit rate                         : 153 Kbps
Writing application                      : Lavf52.64.2

Audio
ID                                       : 1
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 2mn 12s
Bit rate mode                            : Variable
Bit rate                                 : 150 Kbps
Channel count                            : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Stream size                              : 2.36 MiB (98%)