Data processing: speech signal processing – linguistics – language – Speech signal processing – Psychoacoustic
Reexamination Certificate
2011-04-19
2011-04-19
Lerner, Martin (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
Psychoacoustic
C704S203000, C704S219000, C704S500000
Reexamination Certificate
active
07930171
ABSTRACT:
The invention includes several techniques and tools, which can be used in combination or separately. For example, an audio encoder can encode information directly using coding processes that include a windowed overlapped transform, a selective multi-channel transform, scalar quantization and entropy encoding. The audio encoder can also encode information parametrically according to a parametric compression mode that accounts for audibility of distortion according to an auditory model. A corresponding audio decoder can decode first information directly and second information according to the parametric mode.
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Chen Wei-ge
Lee Ming-Chieh
Thumpudi Naveen
Klarquist & Sparkman, LLP
Lerner Martin
Microsoft Corporation
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