text copied from: [http://cpcrulezwww.freeoctoate.frde/ CPC RulesOctoate.de]
== CPC-Digiblaster v2.0 ==
The original Text was written by A.Stroiczek and the [[DMV]]-Verlag ([[CPC Schneider International]] 8/9'91), the hardwarelayout of the Digiblaster v2.0 was performed by [[Joshua]]/Exodus and converted by Tim Riemann (TCS-Software@gmx.de)[[Octoate]].
* '''CPC-Digiblaster - The sound of the printer port'''
If we're looking at the 16bit computers like Amiga, Atari ST, Mac and PC (with a soundcard) the CPC users can be jealous.
To play 8bit samples you need a 8bit interface and a circuit which changes the values in a power value. The printer port has 8bit and a 5V power supply (Bit 7 = STROBE).
* '''The printer port makes it possible'''
To build a D/A unit you normally need a special IC which costs about 15 to 20 DM and it needs an own power supply.
You can connect the output of the circuit directly to an amplifier.
* '''All good things are three'''
Of course, the D/A unit needs a small demo program.
The pins that are not named are not connected.
* '''Easy converting'''
How often you print out the values it is called the sampling rate.
It is possible to play some instruments at the same time. You have to add the values and divide them. I think that 4 channel sound is possible with the CPC.
''[[Face Hugger|A. Stroiczek]]''
== Diagram ==
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''Converted 1996/1998 by Tim Riemann (TCS-Software@gmx.de)[[Octoate]]'''
[[Category:Programming]]