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An Approach to the Implementation of a Discrete Cosine Transform | IEEE Journals & Magazine | IEEE Xplore

An Approach to the Implementation of a Discrete Cosine Transform


Abstract:

An approach to the implementation of a discrete cosine transform (DCT) for application to coding speech is described. The approach is oriented toward single speech channe...Show More

Abstract:

An approach to the implementation of a discrete cosine transform (DCT) for application to coding speech is described. The approach is oriented toward single speech channel encoding. In addition, a detailed computer simulation of an adaptive transform coder is described. The purpose of the computer simulation is to determine the internal precision at various points in the implementation required to avoid subjective degradation. Specific recommmendations are made on the required internal precision in the implementation of the discrete cosine transform. A breadboard implementation of the DCT using SSI and MSI TTL logic based on the results of the computer simulation is reported.
Published in: IEEE Transactions on Communications ( Volume: 30, Issue: 4, April 1982)
Page(s): 635 - 641
Date of Publication: 06 January 2003

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