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Hex values used with the PWM to make sound

 
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Spiffy



Joined: 21 Jan 2004
Posts: 12

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Hex values used with the PWM to make sound
PostPosted: Wed Mar 31, 2004 8:27 am     Reply with quote
Hi all,
do you think it is possible to make a sound by inputing hex values on the PIC16f877`s PWM?????
rwyoung



Joined: 12 Nov 2003
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Location: Lawrence, KS USA

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PostPosted: Wed Mar 31, 2004 9:04 am     Reply with quote
Absolutely. I've done this to make a couple of different squeak tones through a piezeo. A no-brainer to do that. Making something like the SpeachChips.com product line looks like a bit more work though...
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Rob Young
The Screw-Up Fairy may just visit you but he has crashed on my couch for the last month!
Spiffy



Joined: 21 Jan 2004
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PostPosted: Wed Mar 31, 2004 9:08 am     Reply with quote
rwyoung wrote:
Absolutely. I've done this to make a couple of different squeak tones through a piezeo. A no-brainer to do that. Making something like the SpeachChips.com product line looks like a bit more work though...


Really??

Cuz I need to know how to do this!!! Smile
I have a sound on EEPROM, its a wav that was converted to .bin from wich I extracted the hex values to then store it in the EEPROM and now I wanna play this wav file by extracting the hex values and doing something with the PWM. thats the part I`m missing Smile

please Help
Thanx
rwyoung



Joined: 12 Nov 2003
Posts: 563
Location: Lawrence, KS USA

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PostPosted: Wed Mar 31, 2004 2:12 pm     Reply with quote

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Rob Young
The Screw-Up Fairy may just visit you but he has crashed on my couch for the last month!
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