Block size determination according to differences between the pe

Details Block size determination according to differences between the pe Block size determination according to differences between the pe

1993-12-06

1997-07-22

MacDonald, Allen R.

395 22, G10L 302

Patent

active

056510896

ABSTRACT:
A method for determining the block size of a transform coder in which the digital audio signals having spectral and temporal structure are decomposed into plural spectral frames. The method involves defining the audio signal into time intervals according to the temporal masking properties of a human auditory system; obtaining a peak value in each of these time intervals; calculating differences among the peak values; and selecting a block size based on a comparison of the differences against a predefined value.

REFERENCES:
patent: 5341432 (1994-08-01), Suzuki et al.
Parsons, T., Voice and Speech Processing, 1986, Mc Graw-Hill Inc., pp. 205-207.

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