Inventor

SU HUAN-YU

US74 patents

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

SU HUAN-YU

MINDSPEED TECH INC

Encoding and decoding speech signals variably based on signal classification

Using signal to noise ratio of a speech signal to adjust thresholds for extracting speech parameters for coding the speech signal

Speech communication system and method for handling lost frames

User configurable levels of security for a speaker verification system

Speech compression system and method

System for speech encoding having an adaptive encoding arrangement

Multi-mode bitstream transmission protocol of encoded voice signals with embeded characteristics

Fixed rate speech compression system and method

Double talk detector for echo cancellation in a speech communication system

Codebook tables for multi-rate encoding and decoding with pre-gain and delayed-gain quantization tables

Speech compression system and method

Deriving seed values to generate excitation values in a speech coder

Silence description coding for multi-rate speech codecs

Coding based on spectral content of a speech signal

Flexible variable rate vocoder for wireless communication systems

Selection of coding parameters based on spectral content of a speech signal

Signal processing system for filtering spectral content of a signal for speech coding

Conversion scheme for use between DTX and non-DTX speech coding systems

Speech coding system with a music classifier

Dynamic signal detector system and method

Voice quality monitoring and reporting

Rate determination coding

Complexity resource manager for multi-channel speech processing

Controlling a weighting filter based on the spectral content of a speech signal

Complexity resource manager for multi-channel speech processing

CONEXANT SYSTEMS INC

Speech encoder using voice activity detection in coding noise

System of encoding and decoding speech signals

Codebook tables for encoding and decoding

Conference bridge processing of speech in a packet network environment

Adaptive tilt compensation for synthesized speech residual

Speech codec employing noise classification for noise compensation

Adaptive gain reduction to produce fixed codebook target signal

Speech classification and parameter weighting used in codebook search

Speech encoder adaptively applying pitch preprocessing with warping of target signal

Bitstream protocol for transmission of encoded voice signals

Speech coding having continuous long term preprocessing without any delay

Intelligent discontinuous transmission and comfort noise generation scheme for pulse code modulation speech coders

Method and apparatus using harmonic modeling in an improved speech decoder

Silence description coding for multi-rate speech codecs

Adding noise during LPC coded voice activity periods to improve the quality of coded speech coexisting with background noise

Method for speech coding under background noise conditions

Low bit-rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization

ROCKWELL INTERNATIONAL CORP

Pitch lag estimation using frequency-domain lowpass filtering of the linear predictive coding (LPC) residual

Usage of voice activity detection for efficient coding of speech

SU HUAN-YU

Multi-mode speech encoding system for encoding a speech signal used for selection of one of the speech encoding modes including multiple speech encoding rates

Adaptive gain reduction for encoding a speech signal

NORTHERN TELECOM LTD

Method for detecting and masking bad frames in coded speech signals

ROCKWELL SEMICONDUCTOR SYS INC

Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization

CHENG MARCO Y C

Efficiency of wireless wide area networks utilizing local wireless connections

QOSOUND INC

Computer program product for adaptive audio signal shaping for improved playback in a noisy environment