1
Feng Yang, Yen Son Paul Huang: Noise suppression for a wireless communication device. ForteMedia, Dinh & Associates, April 17, 2007: US07206418 (127 worldwide citation)

Techniques to suppress noise from a signal comprised of speech plus noise. In accordance with aspects of the invention, two or more signal detectors (e.g., microphones) are used to detect respective signals having speech and noise components, with the magnitude of each component being dependent on v ...


2
Ming Zhang, Kuoyu Lin: Small array microphone for beam-forming and noise suppression. ForteMedia, Dinh & Associates, February 6, 2007: US07174022 (106 worldwide citation)

Techniques are provided to suppress noise and interference using an array microphone and a combination of time-domain and frequency-domain signal processing. In one design, a noise suppression system includes an array microphone, at least one voice activity detector (VAD), a reference generator, a b ...


3
Ming Zhang: Audio device utilizing a defect detection method on a microphone array. Fortemedia, McClure Qualey & Rodack, February 19, 2013: US08379876 (27 worldwide citation)

An audio device is provided, employing a defect detection method to detect defectiveness within a microphone array. The microphone array comprising a first microphone and a second microphone, respectively, generates a first audio signal and a second audio signal from ambient audio signals. An error ...


4
Sho Mo Chen, Fei Ye, Feng Yang: Low power memory sub-system architecture. ForteMedia, Perkins Coie, April 24, 2007: US07209404 (25 worldwide citation)

Disclosed methods and apparatus provide embedded memory architectures that lower the overall operational power consumption of memory arrays without sacrificing memory access speed. Because in large memory arrays the leakage current is a considerable portion of the overall power consumption, leakage ...


5
Yen Son Paul Huang, Bo Ren Bai, Younan Lu, Zhen Hou, Ming Zhang: Voice recognition system and method thereof. Fortemedia, June 7, 2011: US07957972 (24 worldwide citation)

A voice recognition system and method thereof. The communication system comprises a setup controller, a voice recognition controller, and an application controller. The setup controller receives a voice keyword table including a voice recognizable keyword and a corresponding application instruction. ...


6
Xi Lin Li, Sheng Liu: Audio processing apparatus and method. Fortemedia, Thomas Kayden, September 25, 2012: US08275148 (24 worldwide citation)

An audio processing apparatus is provided, comprising: a main microphone for receiving sounds from a source and noises from non-source sources and generating a main input; a reference microphone for receiving the sounds and the noises and generating a reference input; a short-time Fourier transforma ...


7
Li Te Wu: Audio codec, digital device and voice processing method. Fortemedia, Thomas Kayden Horstemeyer & Risley, November 17, 2009: US07619551 (18 worldwide citation)

An audio codec is provided, comprising an analog to digital converter (ADC) operable to receive an analog input signal for producing a first digital signal, and a first decimator down samples the first digital signal to generate a first intermediate signal. A second decimator receives a second digit ...


8
Wan Chieh Pai, Ming Zhang: Acoustic echo cancellation with oversampling. Fortemedia, Thomas Kayden Horstemeyer & Risley, July 27, 2010: US07764783 (14 worldwide citation)

Techniques for performing acoustic echo cancellation are described. An ADC oversamples an analog signal from a microphone and provides a near-end signal having a wider bandwidth than the bandwidth of a communication channel. A subband filter receives and filters the near-end signal, provides an in-b ...


9
Sho Mo Chen, Fei Ye: Power distribution control circuit for multi-power domain electronic circuits. ForteMedia, Perkins Coie, May 20, 2008: US07376847 (12 worldwide citation)

Methods and apparatus are disclosed for controlling power distribution during transitory power-up period of multi-domain electronic circuits that are supplied by multiple power supplies. The power distribution is controlled by self-regulating power control circuits that operate based on power-up seq ...


10
Ming Zhang, Jun Yang: Method and system for nonlinear echo suppression. Fortemedia, Thomas Kayden Horstemeyer & Risley, March 2, 2010: US07672445 (11 worldwide citation)

Techniques for suppressing large echo due to nonlinearity, instable adaptive filter, and so on. An echo cancellation system includes an echo canceller unit, a nonlinear echo detection unit, and a nonlinear echo suppression unit. The echo canceller unit (e.g., an adaptive filter) receives a reference ...