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How to mux AAC to play back on my Sony car stereo?, Proper wrapping/muxing?
post Jan 20 2013, 13:19
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Since pretty much all of my hardware supports mp3, I haven't yet made the transition to more efficient codecs nor do I see this happen soon since storage is getting cheaper every day. However, when I stumbled over this obscure German electro song on Vimeo I downloaded it and extracted the AAC audio track to test it on my Sony car stereo that is advertized as supporting MP3/AAC/WMA (crap)/Atrac3Plus (LOL!). I had tested one AAC song successfully years ago but I don't have this encode anymore and don't remember how I did it. The manual only reads:

- AAC tag is 126 characters.
- When naming an AAC file, be sure to add the file extension .m4a to the file name.

I've tried simply renaming the AAC and also muxing it into an mp4 renamed to m4a but both files just get skipped. Is it because of the format? Mediainfo reports:

Format                                   : MPEG-4
Format profile                           : Base Media / Version 2
Codec ID                                 : mp42
File size                                : 4.33 MiB
Duration                                 : 3mn 48s
Overall bit rate mode                    : Variable
Overall bit rate                         : 159 Kbps

ID                                       : 1
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 3mn 48s
Source duration                          : 3mn 48s
Bit rate mode                            : Variable
Bit rate                                 : 157 Kbps
Maximum bit rate                         : 163 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 44.1 KHz
Compression mode                         : Lossy
Stream size                              : 4.28 MiB (99%)
Source stream size                       : 4.29 MiB (99%)
Language                                 : English

This file plays back on my PC in Winamp, iTunes and VLC. How do I make it run on my Sony (preferrably without transcoding)? Thx.

This post has been edited by Moon: Jan 20 2013, 13:20
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