Inventor

NAKATANI TOMOHIRO

JP34 patents

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

NAKATANI TOMOHIRO

NIPPON TELEGRAPH & TELEPHONE

Acoustic model training method, speech recognition method, acoustic model training apparatus, speech recognition apparatus, acoustic model training program, and speech recognition program

Spatial correlation matrix estimation device, spatial correlation matrix estimation method, and spatial correlation matrix estimation program

Mask calculation device, cluster weight learning device, mask calculation neural network learning device, mask calculation method, cluster weight learning method, and mask calculation neural network learning method

Determination device, determination method, and determination program

Signal processing apparatus, signal processing method, and program

Mask estimation apparatus, model learning apparatus, sound source separation apparatus, mask estimation method, model learning method, sound source separation method, and program

Signal analysis device for modeling spatial characteristics of source signals, signal analysis method, and recording medium

Neural network based signal processing device, neural network based signal processing method, and signal processing program

Estimation device, estimation method, and estimation program

Signal separation apparatus, signal separation method and program

Signal processing apparatus, learning apparatus, signal processing method, learning method and program

Learning device, learning method, and learning program

Mask estimation device, mask estimation method, and mask estimation program

Target sound signal generation apparatus, target sound signal generation method, and program

Noise spatial covariance matrix estimation apparatus, noise spatial covariance matrix estimation method, and program

Signal analysis device, signal analysis method, and signal analysis program

Noise estimation apparatus, noise estimation method, noise estimation program, and recording medium

Acoustic signal enhancement apparatus, method and program

Speech signal processing device, speech signal processing method, speech signal processing program, training device, training method, and training program

Acoustic signal enhancement apparatus, method and program

Apparatus, method, and program for utilizing language model

Target source signal generation apparatus, target source signal generation method, and program

Determination device, training device, determination method, and determination program

Abstract generation device, method, program, and recording medium

Learning device and method for updating a parameter of a speech recognition model

Speech intelligibility calculating method, speech intelligibility calculating apparatus, and speech intelligibility calculating program

Estimation device, learning device, estimation method, learning method, and recording medium

Mask estimation apparatus, mask estimation method, and mask estimation program

NAKATANI TOMOHIRO

Method and apparatus for speech dereverberation based on probabilistic models of source and room acoustics

Dereverberation apparatus, dereverberation method, dereverberation program, and recording medium

KINOSHITA KEISUKE

Dereverberation apparatus, dereverberation method, dereverberation program, and recording medium

YOSHIOKA TAKUYA

Signal enhancement device, method thereof, program, and recording medium

FUJIMOTO MASAKIYO

Audio signal section estimating apparatus, audio signal section estimating method, and recording medium

NTT INC

Acoustic signal enhancement device, acoustic signal enhancement method, and program