LFOs

[Paul Perry]

At 03:10 PM 4/07/00 -0500, Rob" <cyborg wrote:
(re PWM)
>A guy I used to work with had a past job that dealt with those little cheezy
>promotional audio cards and he said that some of the chips used that method
>to generate audio without a dac..
>
I bought a 'mystery' device at a fleamarket, from a pile of car radios.
Turned out to be an ice-cream truck audio driver, using PWM from ROM.
Output looked awful on the scope, sounded even worse!!!!!

paul "dumpster diver" perry Melbourne Australia