Digital audio processing in a modified bitblt controller

Details Digital audio processing in a modified bitblt controller Digital audio processing in a modified bitblt controller

G - Physics

06

F

G06F 9/30 (2006.01) G10H 7/00 (2006.01) G09G 5/393 (2006.01)

Patent

CA 2140959

A method of processing audio signals is comprised of reading samples of digitally stored audio signals from a first source memory, performing a bit block transfer (BitBLT) of the samples to a register of an arithmetic and logic unit (ALU), reading an array of coefficient signals (coefficients), performing a BitBLT of the coefficients to a register of the ALU, operating on the bit block transferred samples and coefficients together and storing resulting samples in a destination memory, whereby the stored resulting samples can be further accessed for audio reproduction, further processing, permanent storage or transmission.

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