Data processing: speech signal processing – linguistics – language – Speech signal processing – For storage or transmission
Reexamination Certificate
2006-10-31
2006-10-31
Hudspeth, David (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
For storage or transmission
C704S205000
Reexamination Certificate
active
07130794
ABSTRACT:
The present invention relates to a received speech signal processing apparatus suitable for use in a mobile communication terminal such as a portable telephone. The received speech signal processing apparatus (5) is arranged to include a frequency band partitioning unit (8) for partitioning a received speech signal into a plurality of frequency bands in the frequency domain and a received speech signal compressing unit (9) for effecting a compression processing on respective speech signal components involved in respective frequency bands at a ratio differing depending on the respective received speech signal which is partitioned into a plurality of frequency bands. Since the compression processing is effected on the received speech signal at the compression ratio suitable for each frequency band, an articulate speech can be reproduced from the received speech signal.
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Fujitsu Limited
Hudspeth David
Jackson Jakieda R.
Katten Muchin & Rosenman LLP
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