Inventor

NORIMATSU TAKESHI

JP67 patents

⚠️ This page may combine multiple inventors who share the name “NORIMATSU TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NORIMATSU TAKESHI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Apparatus for expanding narrowband speech to wideband speech by codebook correspondence of linear mapping functions

Encoding device and decoding device

Encoding device decoding device

Band-division encoder utilizing a plurality of encoding units

Audio signal coding apparatus, audio signal decoding apparatus, and audio signal coding and decoding apparatus

Method and an apparatus for speech detection for determining whether an input signal is speech or nonspeech

Encoding device and decoding device

Encoding device, decoding device and audio data distribution system

Encoding device and decoding device

Audio signal coding method, decoding method, audio signal coding apparatus, and decoding apparatus where first vector quantization is performed on a signal and second vector quantization is performed on an error component resulting from the first vector quantization

Encoder using Huffman codes

Sound field controller

Encoding device and decoding device

Multistage inverse quantization having a plurality of frequency bands

Multistage inverse quantization having the plurality of frequency bands

Signal processing unit and signal processing method including using an exponent part and a mantissa part for power generation

Method for determining time borders and frequency resolutions for spectral envelope coding

Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus

Speech recognition method and apparatus using frequency warping of linear prediction coefficients

Sound reproduction system and a sound reproduction method

Digital signal recording apparatus and a digital signal reproducing apparatus

Apparatus and method for coding audio data at high speed using precision information

Audio signal decoding device and audio signal encoding device

Parallel signal processing device for a portable audio system

Encoding apparatus and decoding apparatus

Encoding apparatus and decoding apparatus

PANASONIC CORP

Encoding device and decoding device

Encoding device and decoding device

Energy shaping apparatus and energy shaping method

Coding equipment

Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method

Encoding device and decoding device

ISHIKAWA TOMOKAZU

Coding apparatus and decoding apparatus

Audio signal processing apparatus, audio coding apparatus, and audio decoding apparatus

Decoding device, coding and decoding device, and decoding method

Combination device, telecommunication system, and combining method

Stream synthesizing device, decoding unit and method

Reduced delay spatial coding and decoding apparatus and teleconferencing system

NEC CORP

Audio decoding device, decoding method, and program

Audio decoding apparatus and method for band expansion with aliasing adjustment

Audio decoding apparatus and method for band expansion with aliasing suppression

Audio decoding apparatus and decoding method and program

PANASONIC IP CORP AMERICA

Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus

Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus

Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus

MIYASAKA SHUJI

Audio decoding apparatus, audio coding apparatus, and system comprising the apparatuses

Signal processing device

TSUSHIMA MINEO

Encoding device and decoding device

TAKAGI YOSIAKI

Audio decoder

TAKAGI YOSHIAKI

Multi-channel acoustic signal processing device