[mad-dev] Xing ID3 and VBR
Tue, 5 Nov 2002 20:26:42 -0800
On Tuesday, November 5, 2002, at 07:47 PM, Joe Drew wrote:
> Russell O'Connor wrote:
>> Specifically, if I get my application to read ID3 tags, will I be
>> able to
>> find out the decoded length of an audio file without going through and
>> counting all the frames?
> Unless I am incorrect, this is *not* the case. id3 tags don't contain
> this information as far as I know.
The exception is if the tag contains a TLEN frame; this is supposed to
contain the length of the audio file in milliseconds, represented as a
numeric string. This frame is not very common, though.