Inventor

BARTKOWIAK JOHN G

US40 patents

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

BARTKOWIAK JOHN G

ADVANCED MICRO DEVICES INC

CPU with DSP function preprocessor having pattern recognition detector that uses table for translating instruction sequences intended to perform DSP function into DSP macros

System and method for determining a first formant analysis filter and prefiltering a speech signal for improved pitch estimation

CPU with DSP function preprocessor having look-up table for translating instruction sequences intended to perform DSP function into DSP macros

DTMF detector system and method which performs frequency domain energy calculations with improved performance

Communications processor for voice band telecommunications

Microprocessor configured to switch instruction sets upon detection of a plurality of consecutive instructions

System and method for error correction in a correlation-based pitch estimator

Processor having a bus interconnect which is dynamically reconfigurable in response to an instruction field

Conversion of compressed speech codes between attenuated and unattenuated formats

Vocoder system and method for performing pitch estimation using an adaptive correlation sample window

Apparatus and method for discriminating signal noise from saturated signals and from high amplitude signals

Architecture for covariance matrix generation

Arithmetic logic unit

System and method for performing echo cancellation in a communications network employing a mixed mode LMS adaptive balance filter

System and method for performing pitch estimation and error checking on low estimated pitch values in a correlation based pitch estimator

DTMF detector system and method which performs improved twist computation and thresholding

System and method for dual tone multifrequency detection using variable frame widths

Integrated circuit and cordless telephone using the integrated circuit

First formant location determination and removal from speech correlation information for pitch detection

Communications device including an improved CPE alerting signal (CAS) detection system

System and method for improved pitch estimation which performs first formant energy removal for a frame using coefficients from a prior frame

Microprocessor configured to detect memory operations having data addresses indicative of a boundary between instructions sets

DSP with register file and multi-function instruction sequencer for vector processing by MACU

Apparatus and method for discriminating and suppressing noise within an incoming signal

Apparatus and method for attenuating a received signal in response to presence of noise

Apparatus having a modular decimation architecture

Apparatus having shared modular architecture for decimation and interpolation

Apparatus and method for discriminating and suppressing noise within an incoming signal

System for detecting and correcting errors generated by arithmetic logic units

Digital signal processing apparatus

Apparatus having modular interpolation architecture

Apparatus adaptable for use in effecting communications between an analog device and a digital device

LEGERITY INC

Tone detector with noise detection and dynamic thresholding for robust performance

Cross-frame dual tone multifrequency detector

Method and system for improved detection of analog signals

Tone detector with noise detection and dynamic thresholding for robust performance

Method and system for improved analog signal detection

Efficient dynamic energy thresholding in multiple-tone multiple frequency detectors

Transcoder-codec circuit arrangement and method that supports voice-switched hands-free radio operation

ADVANCED MICRODEVICES INC

Method and apparatus for detecting signal misalignment