Title Patent Number
Method and apparatus adaptable to a standard game port of a personal computer for interfacing an external hsp modem, a joystick and a midi interface

TW 523701

US 6434634

Sigma-delta codec system

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Control system for digital sound effect and the method of the same

TW 466886

US 6990382

Architecture for two-channel sound effect hardware to output four-channel analog signal and the method of the same

TW 510144

System for headphone-like rear channel speaker and the method of the same

CN 1263346

TW 519849

US 6990210

US 7050596

Means for compensating rear sound effect

CN 1324927

TW 510142

US 6983054

Self-balanced active current bridge for measuring the impedance of an external device

TW I220690

US 6696846

JP B3655285

CN 1199048

Structure for detecting plug/unplug status of phone-jacks by single bit generated by a resistor network

TW 578345

US 7053598

CN 1258682

System of multi-channel shared resistor-string digital-to-analog converters and method of the same

TW I228011

CN 100502561

US 6870494

Method for adjusting sound field

TW I265746

Method and apparatus for repelling pest

TW I233333

Detecting apparatus and method by computer sound effect system

TW I280404

Audio scheme for computer system

TW I259971

Detecting device for detecting condition of an apparatus and detecting method

TW I240077

Apparatus for reading/writing storage device

TW I238360

A method for driving i/o device of storage element

TW I296114

Analog-to-digital converter

TW I237446

Game apparatus for providing well-coordinated images and sounds

TW M347204

CN 201231063

JP U3145659

Voltage detection type overcurrent protection device for class-D amplifier

US 7701287

Externally-Connected Audio Apparatus and Method for Processing Audio Signal thereof

TW I423119

CN 101763237

Apparatus of combined online music player and chip card reader

TW M378446

Automatic-execution signal processing method and apparatus performing the method

TW I395103

CN 101799720

US 7949808

System for personalizing on-line entertainment content preferences

JP U3152853

Audio signal transmission apparatus avoiding noise generation and method thereof

TW I399741

CN 102008820

US 8364299

Method of automatic gain modulation and apparatus implementing the same

TW I399918

CN 102118135

US 8416966

Method gain modulation in white noise stage and apparatus applying the method

TW I383379

CN 102117619

System, method and apparatus with environmental noise cancellation

TW I458361

CN 102376309

US 8737640

Voltage amplitude limiting circuit of full differential circuit

TW I458263

US 8525571

Clock rate controller and method thereof and electronic device thereof

US 8908719

Common mode noise cancellation circuit for unbalanced signals

TW I496414

US 8803595

Virtual signal source generating apparatus and method thereof

TW I476679

Auto-determining sampling frequency method and device therefor

US 8964920

Electronic device and control method thereof

TW I521350

Headphone with active noise cancelling and auto-calibration method thereof

TW I511579

US 9197178

CN 104581468

Reference frequency calibration module and apparatus using the same

TW I523432

US 9762253

Method, system for self-tuning active noise cancellation and headset apparatus

TW I611704

US 9824678

Calibration system for active noise cancellation and speaker apparatus TW I609363
CN 108156546
US  10013965
Microphone TW D186215
CN 304420537
Microphone with knob-controlled sound effects TW M553541
CN 207075069
Active noise cancellation system TWI648731
US 10186249
Voice apparatus and dual-microphone voice system with noise cancellation TW I639154
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