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???
03/15/07 05:11
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#135030 - I've try it..
Responding to: ???'s previous message
I've tried in PC program...the output, not so good.

The music I want to generated is 10 second music, but not complicated music. Just like MIDI sound with 2 or 3 instrumens. Music box that usually used for selling ice cream in my country.
Current music box is used 64kby EEPROM for store the music. Using TTL counter to generate EEPROM address, the data output of EEPROM is just connected to 8 bit DAC and fed to amplifier.

My point is to replace that EEPROM with microcontroller...purpose is for cost down.

List of 12 messages in thread
TopicAuthorDate
Generate Music with AT89S52            01/01/70 00:00      
   Link doesn't work            01/01/70 00:00      
      10 seconds of googling...            01/01/70 00:00      
         True            01/01/70 00:00      
            Maybe, but...            01/01/70 00:00      
   push-pull            01/01/70 00:00      
      push pull            01/01/70 00:00      
         did you try?            01/01/70 00:00      
            I've try it..            01/01/70 00:00      
               midi.... or something simpler            01/01/70 00:00      
         RTFM            01/01/70 00:00      
   Tried it, didn't like it.            01/01/70 00:00      

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