Inventor · San Mateo, CA, US

Michael Smithers

46Patents
11h-index
33Co-inventors
75Inventor score

Filing activity: Aug 15, 2000 → Mar 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7461002B2 Method for time aligning audio signals using characterizations based on auditory events Physics 119 Expired
US7283954B2 Comparing audio using characterizations based on auditory events Electricity 102 Expired
US7508947B2 Method for combining audio signals using auditory scene analysis Electricity 91 Expired
US7617109B2 Method for correcting metadata affecting the playback loudness and dynamic range of audio information Physics 58 Active
US6980933B2 Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients Physics 45 Expired
US7292902B2 Frame-based audio transmission/storage with overlap to facilitate smooth crossfading Physics 37 Active
US8437482B2 Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal Electricity 29 Expired
US8032385B2 Method for correcting metadata affecting the playback loudness of audio information Physics 29 Active
US8019095B2 Loudness modification of multichannel audio signals Electricity 21 Active
USRE42935E1 Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients General 14 Active
US8731215B2 Loudness modification of multichannel audio signals Electricity 11 Active
US6725412B1 Low latency data encoder Physics 9 Expired
US8504181B2 Audio signal loudness measurement and modification in the MDCT domain Physics 7 Active
US8488811B2 Audio-peak limiting in slow and fast stages Electricity 6 Active
US8600074B2 Loudness modification of multichannel audio signals Electricity 5 Active
US8761415B2 Controlling the loudness of an audio signal in response to spectral localization Electricity 4 Active
US10283137B2 Device and method for tuning a frequency-dependent attenuation stage Electricity 3 Active
US9986338B2 Reflected sound rendering using downward firing drivers Electricity 3 Active
US8239050B2 Economical loudness measurement of coded audio Electricity 3 Active
US9564139B2 Audio data hiding based on perceptual masking and detection based on code multiplexing Physics 3 Active
US8396574B2 Audio processing using auditory scene analysis and spectral skewness Electricity 3 Active
US9842596B2 Adaptive processing with multiple media processing nodes Physics 2 Active
USRE46684E1 Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients General 2 Active
US9269363B2 Audio data hiding based on perceptual masking and detection based on code multiplexing Physics 2 Active
US9306524B2 Audio signal loudness determination and modification in the frequency domain Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.