Digital signal processing techniques for pitch shifting and time scaling of audio signals

2016 ◽  
Author(s):  
Szymon Buś ◽  
Konrad Jędrzejewski
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Digital Signal ◽  
Audio Signals ◽  
Time Scaling ◽  
Processing Techniques ◽  
Signal Processing Techniques

scholarly journals The in-service determination of the presence of distortion in a high quality analogue sound signal

2007 ◽  
Author(s):  
◽  
Stefanus Mare
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Audio Signal ◽  
Digital Signal ◽  
Audio Signals ◽  
High Quality ◽  
Number Of Factors ◽  
Non Stationary Signal ◽  
Processing Techniques ◽  
Signal Processing Techniques

Detecting and minimising distortion in audio signals is an important aspect of sound engineering. Distortion of a signal passing through an audio system may be caused by a number of factors and it is necessary to detect these effects for optimal sound. The problem is of interest to users and operators of high quality audio equipment and transmission facilities. The objective of this thesis was the development of techniques for the blind identification of distortion in a high quality audio signal using digital signal processing techniques. The techniques developed are based on digital signal processing techniques and statistical analysis of a recorded audio signal, which is treated as a random, non-stationary signal.

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