mark mitchell cowhead at
Mon Apr 14 00:14:01 CDT 2003

Same behaviour on OS10.15.  I had assumed I just needed Jaguar and 
latest QT to do this.  Maybe MP4 is just hung up in licensing/courts or 
something.  I suppose we oughta ask on the Quicktime list.

mark mitchell

Kaufman wrote:

> When I query the recordformats  (Rev. 1.1.1; QuickTime 6.1; Mac OS X
> 10.2.4) the list includes
> MPEG-4 Audio,mp4a
> However, when I try the following:
> record sound file "testmp4a" as "mp4a"
> QuickTime cannot op

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