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Title: 12-bit digital audio time delay using the 6809
Authors: Tan, B. 
Tay, L.
Keywords: 6809
Apple II
audio time delay
Issue Date: Nov-1986
Citation: Tan, B.,Tay, L. (1986-11). 12-bit digital audio time delay using the 6809. Microprocessors and Microsystems 10 (9) : 500-505. ScholarBank@NUS Repository.
Abstract: The paper describes a programmable digital audio time delay system which uses the 6809 microprocessor to store and retrieve 12-bit samples in RAM. A/D and D/A conversions were accomplished by a 12-bit analogue I/O board for the Apple II microcomputer. A 6809 machine code time delay program, which was run on a 6809 coprocessor board for the Apple II, was able to attain an audio frequency response of over 14 kHz. © 1986.
Source Title: Microprocessors and Microsystems
ISSN: 01419331
Appears in Collections:Staff Publications

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