nales
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Quote:
AAC supports CBR, ABR, and VBR. Most of the encoders are VBR by default but can be manhandled to support CBR and, in some cases, ABR. I am not very familiar with the Quicktime encoder, but you can play the file in Winamp (with an AAC plugin -> http://rarewares.hydrogenaudio.org/aac.php) to determine the mode used. With ABR and VBR, the bitrate will fluctuate (you may have to tick a box in the plugin configuration dialog).
Originally posted by MacDEF Not sure what your conclusion is. AAC is VBR. Is that what you were trying to test? |
AAC supports CBR, ABR, and VBR. Most of the encoders are VBR by default but can be manhandled to support CBR and, in some cases, ABR. I am not very familiar with the Quicktime encoder, but you can play the file in Winamp (with an AAC plugin -> http://rarewares.hydrogenaudio.org/aac.php) to determine the mode used. With ABR and VBR, the bitrate will fluctuate (you may have to tick a box in the plugin configuration dialog).