Method, system and product for harmonic enhancement of encoded a

Details Method, system and product for harmonic enhancement of encoded a Method, system and product for harmonic enhancement of encoded a

1996-12-20

1999-01-26

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Audio signal bandwidth compression or expansion

704278, G10L 302

Patent

active

058648135

ABSTRACT:
A method, system and product are provided for harmonic enhancement of an encoded audio signal. The method includes receiving the encoded audio signal, the encoded audio signal having multiple frequency subbands, selecting one of the subbands having a data sample associated therewith, and generating a frequency doubled copy the data sample associated with the subband. The method also includes generating a new data sample for a second subband using the frequency doubled copied data sample, the second subband having a frequency greater than the first subband by one octave, and modifying the encoded audio signal to create an enhanced encoded audio signal having the new data sample associated with the second subband. The system includes control logic for performing the method. The product includes a storage medium having computer readable programmed instructions for performing the method.

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