Inventor

EHARA HIROYUKI

JP117 patents

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

EHARA HIROYUKI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Method and apparatus for producing component of excitation vector

Excitation vector generator, speech coder and speech decoder

Excitation vector generator, speech coder and speech decoder

Excitation vector generator and a method for generating an excitation vector including a convolution system

Excitation vector generator, speech coder and speech decoder

Apparatus and method for providing an excitation vector

Method for providing excitation vector

Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus

Excitation vector generator, speech coder and speech decoder

Multimode speech coding apparatus and decoding apparatus

Excitation vector generating apparatus and speech coding/decoding apparatus

Excitation vector generator, speech coder and speech decoder

Celp voice encoder

Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding/decoding and mobile communication device

Multimode speech encoder and decoder apparatuses

LPC vector quantization apparatus

Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding sound

Apparatus and method for coding excitation signal

Noise canceller

Code excited linear prediction speech decoder and method thereof

LSP quantizer

Celp type voice encoding device and celp type voice encoding method

PANASONIC CORP

CELP speech decoder modifying an input vector with a fixed waveform to transform a waveform of the input vector

Scalable decoding apparatus and scalable encoding apparatus

Low-frequency-band component and high-frequency-band audio encoding/decoding apparatus, and communication apparatus thereof

Encoder, decoder, encoding method, and decoding method

Parameter decoding apparatus and parameter decoding method

Scalable encoding device and scalable encoding method including quality improvement of a decoded signal

Voice encoding device and voice encoding method

Audio switching device and audio switching method that vary a degree of change in mixing ratio of mixing narrow-band speech signal and wide-band speech signal

Speech encoding apparatus and speech encoding method that encode speech signals in a scalable manner, and speech decoding apparatus and speech decoding method that decode scalable encoded signals

Scalable decoding apparatus and method for concealing lost spectral parameters

Multimode speech coding apparatus and decoding apparatus

Speech signal transmission apparatus and method that multiplex and packetize coded information

Speech decoder that detects stationary noise signal regions

Speech decoder and code error compensation method

EHARA HIROYUKI

Audio decoding device and compensation frame generation method

Speech decoding apparatus and speech decoding method including high band emphasis processing

Parameter decoding device, parameter encoding device, and parameter decoding method

Scalable encoding device, scalable decoding device, and method thereof

Speech encoding apparatus and speech encoding method

KAWASHIMA TAKUYA

Speech decoding and encoding apparatus for lost frame concealment using predetermined number of waveform samples peripheral to the lost frame

Scalable decoder and scalable decoding method

Scalable decoder preventing signal degradation and lost data interpolation method

PANASONIC IP CORP AMERICA

Communication terminal apparatus and communication method

Coding apparatus and coding method

YOSHIDA KOJI

Speech decoding apparatus, speech encoding apparatus, and lost frame concealment method

HORI TAKAKO

Terminal and codec mode selection method

FRAUNHOFER GES FORSCHUNG

Decoding device, encoding device, decoding method, and encoding method

OSHIKIRI MASAHIRO

Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method