Title :
Small frequency shift of audio signals by digital signal processing
Author :
CHOW, Thomas Chi Kwan
Author_Institution :
Light Rail Div., Kowloon Canton Railway Corp., Hong Kong
Abstract :
One of the methods to reduce oscillation due to feedback in a Public Address system is to shift the frequency of input signal by a few hertz at the output. This paper describes how the small frequency shift is achieved by Digital Signal Processing
Keywords :
audio signals; audio-frequency amplifiers; computerised signal processing; Public Address system; audio signals; digital signal processing; feedback; frequency shift; oscillation;
Conference_Titel :
Practical Applications of DSP Devices, IEE Colloquium on
Conference_Location :
London
