Re[2]: shorten midi file

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Hi Sean,

On Friday, January 31, 2003 at 12:22:34 PM, you wrote:

SMB> At 10:09 AM 2003-01-31 +0100, Nandita Shenvi asked:
>>[...]I have midi files and I need to shorten them i.e I recquire only the
>>initial 1 min of the song.[...]

SMB> I am curious about this question too -- or actually in the more general
SMB> question of "how do you turn MIDI tick-times into seconds?".

SMB> As I was writing MIDI-Perl, I thought I understood how this all worked, but
SMB> then I learned that there were tempo-change events, and that seemed really
SMB> hard to think about.  Since I writing a parse and not a sequencer, I
SMB> decided that I could just ignore the whole issue.  But I'm still curious
SMB> about it.
SMB> Anyone know how this works?

No idea, but couldn't he just presume that any temp-change would be
reflected across tracks (I guess he's not using any really interesting
jazz), and so parse that track for tempo changes?

Why would that be difficult?

- --
Cheers
 Lee                            mailto:[email protected]

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