Editing Recording Vinyl (Mac OS) (section)

===== Export Settings =====

See [https://stackoverflow.com/questions/18110399/what-is-the-difference-between-m4a-and-aac-audio-files#:~:text=M4A%20files%20typically%20contain%20audio,bitstream%20with%20audio%20stream%20encoded. this Stackoverflow thread] for some information on the difference. 

====== Apple Audio Toolbox ======

* '''Export Range Markers''' dialog
** '''Prefix''': ''probably leave blank''
** '''Postfix starting #''': ''probably leave blank''
** '''Location''': ''[select location to save files]''
** '''Format''': Apple Audio Toolbox
** `Sample Type:` Same as Source
** '''Format Settings''': <kbd>change...</kbd>
** '''Include markers and other metadata''': ''unchecked''
*** '''Apple Audio Toolbox''' settings
**** '''File Type''': Apple MPEG-4 Audio
**** '''Format''': MPEG-4 AAC
***** `MPEG-4 HE AAC` and `MPEG-4 HE AAC V2` are for low bit rates. 
**** '''Mode''': Constant Bitrate
**** '''Bitrate''': 192 kps or 160 kps
**** ''Supposedly there is no point to going over 160 kps, but I usually do 192 anyway.''

====== AAC ======

<div class="alert alert-warning">.aac files do not import into the Apple Music app (iTunes).</div>

* '''Export Range Markers''' dialog
** `Format:` `AAC Audio`
** `Sample Type:` Same as Source
** `Format Settings:` <kbd>change...</kbd>
* '''Apple Audio Toolbox''' settings
** `File Type:` MPEG-4 AAC
*** ''`MPEG-4 HE AAC` and `MPEG-4 HE AAC V2` are for low bit rates.''
** `Format:` AAC
** `Channel Layout`: Stereo (L-R) 
** `Mode:` Constant Bitrate
** `Bitrate:` 160.00 kps or 192 kps