QuickTime Player X cannot play audio encoded with kAudioFormatMPEG4AAC_ELD or k

Originator:recordtronic
Number:rdar://12385633 Date Originated:27-Sep-2012 10:00 AM
Status:Open Resolved:
Product:QuickTime Product Version:10.8.1
Classification:Serious Bug Reproducible:Always
 
Summary:
QuickTime movies with audio tracks encoded with the following audio codecs do not produce audio in QuickTime Player X. They do play in QT Player 7.

Steps to Reproduce:
- Open a movie with an audio track in QT Player 7 (Pro).
- Export Movie to QuickTime Movie
- Select either kAudioFormatMPEG4AAC_ELD, kAudioFormatMPEG4AAC_ELD_SBR format for the audio track.
- Export.
- Open exported movie in Quicktime Player X

Expected Results:
Movie plays with audio

Actual Results:
Silence.

Regression:
Doesn't work on 10.7 either (for kAudioFormatMPEG4AAC_ELD, kAudioFormatMPEG4AAC_ELD_SBR not present o 10.7).

Notes:

Comments


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