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Re: Exporting Sound

• To: mathgroup at smc.vnet.net
• Subject: [mg83887] Re: Exporting Sound
• From: Szabolcs Horvát <szhorvat at gmail.com>
• Date: Mon, 3 Dec 2007 07:10:44 -0500 (EST)
• References: <fireum$s1h$1@smc.vnet.net> <fitt1j$6pv$1@smc.vnet.net> <fj0nh8$j8e$1@smc.vnet.net>

Jerry wrote:
> Sir, thanks for your tip on recording a midi file.
> 
> Funny though, when I use
> 
> ding = SoundNote["F", 1, "Tinklebell"];
> 
> Sound[ding]
> 
> I play it in V6 and I hear the note.
> Then I record it to a file as you suggest:
> 
> Export["ding.mid", Sound[ding], "Sound"]
> 
> I then double click ding.mid in the directory where it was 
> placed and I get MediaPlayer and I hear a sound. But, it's 
> clearly not the same sound. It's the same length and type 
> but it's at a higher frequency. Any idea why?
> 

I think that Java has its own built-in synthesizer (it does not use the 
one in Windows), and Mathematica plays MIDI through Java.  So a 
difference is expected, but you are right that the difference in this 
case is striking.

-- 
Szabolcs