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Searching: audio signal





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Patent # Description
US-1,024,3680 Audio processing device and audio processing method
An audio processing device has an identification module and an adjustment information acquisition module. The identification module identifies each of the...
US-1,024,3613 Talker feedback system
An audio communication system which enables two-way audio communication between at least two users in separate locations includes a talker feedback system which...
US-1,024,3534 Spectral correction of audio signals
Systems and methods to provide an audio spectral correction can be implemented in a variety of applications. Such systems and methods can include an equalizer...
US-1,024,3533 Automatic loop gain calibration in amplification circuits
Aspects are directed to an amplifier circuit including a signal processing circuit and a calibration circuit. In certain specific embodiments, the signal...
US-1,024,3532 Digitized automatic level control transducer-calibrator
A microprocessor-based ALC (automatic level control) system, for original manufacture or field maintenance and retrofit, providing the stability, reliability...
US-1,024,3524 Amplifiers
This application relates to amplifier circuits for amplifying an audio signal. An amplifier circuit (100) has a voltage regulator (201) for outputting a supply...
US-1,024,2712 Video synchronization based on audio
A content reproduction screen displays a plurality of content items. A video reproduction processing section reproduces substantially simultaneously videos of a...
US-1,024,2696 Detection of acoustic impulse events in voice applications
In accordance with embodiments of the present disclosure, an integrated circuit for implementing at least a portion of an audio device may include an audio...
US-1,024,2695 Acoustic echo cancellation using visual cues
Techniques for enhancing an acoustic echo canceller based on visual cues are described herein. The techniques include changing adaptation of a filter of the...
US-1,024,2694 Synchronization of digital algorithmic state data with audio trace signals
Embodiments disclosed herein provide systems, methods, and computer readable media for synchronizing algorithmic state data with audio trace signals. In a...
US-1,024,2692 Audio coherence enhancement by controlling time variant weighting factors for decorrelated signals
An apparatus for enhancing an audio signal includes a signal processor for processing the audio signal in order to reduce or eliminate transient and tonal...
US-1,024,2690 System and method for speech enhancement using a coherent to diffuse sound ratio
Embodiments of the present disclosure may include a system and method for speech enhancement using the coherent to diffuse sound ratio. Embodiments may include...
US-1,024,2689 Position-robust multiple microphone noise estimation techniques
Techniques are disclosed for position-robust multiple microphone noise estimation techniques. The position-robust noise estimation techniques can be used when...
US-1,024,2688 Apparatus and method for processing an audio signal using a harmonic post-filter
An apparatus for processing an audio signal having associated therewith a pitch lag information and a gain information, includes a domain converter for...
US-1,024,2685 Parametric reconstruction of audio signals
An encoding system (400) encodes an N-channel audio signal (X), wherein N.gtoreq.3, as a single-channel downmix signal (Y) together with dry and wet upmix...
US-1,024,2684 Systems and methods for adjusting audio levels in a plurality of audio signals
Systems and methods for adjusting audio levels in a plurality of audio signals are disclosed. One or more input signals containing one or more audio signals are...
US-1,024,2682 Frequency-domain audio coding supporting transform length switching
A frequency-domain audio codec is provided with the ability to additionally support a certain transform length in a backward-compatible manner, by the...
US-1,024,2681 Audio encoder and audio decoder using coding contexts with different frequency resolutions and transform lengths
An audio encoder for encoding segments of coefficients, the segments of coefficients representing different time or frequency resolutions of a sampled audio...
US-1,024,2680 Methods and apparatus to inspect characteristics of multichannel audio
Methods, apparatus, systems and articles of manufacture are disclosed for audio watermarking and, more particularly, methods and apparatus to inspect...
US-1,024,2674 Passive word detection with sound effects
A system, method, and processor-readable storage medium for providing sound effects are disclosed. An example method comprises receiving an audio signal...
US-1,024,2659 Combined active noise cancellation and noise compensation in headphone
The disclosure relates to combined active noise cancellation and noise compensation in a headphone. An audio processing device includes a selector and a noise...
US-1,024,2658 Self-organized acoustic signal cancellation over a network
A system for self-organized acoustic signal cancellation over a network is disclosed. The system may transmit an acoustic sounding signal to an interfering...
US-1,024,2657 Snoring active noise-cancellation, masking, and suppression
A kit for attenuation of noise includes a noise source audio transducer, two ear pieces, and a control unit. The two ear pieces have respective resilient bodies...
US-1,024,2592 Graphical user interface for display of performance of a marching band
A system for tracking position of one or more moving transmission sources is disclosed. The transmission source can transmit a signal while moving from a first...
US-1,024,1755 Method and apparatus for physical exercise assistance
An electronic device comprising: a memory; a display; and at least one processor configured to: control the display to display a lock screen including...
US-1,024,1745 Apparatus, a system and a method of creating modifiable analog processing
Embodiments of the present invention are directed to a hybrid system for analog audio processing with digital control. The hybrid system utilizes an analog...
US-1,024,1741 Audio processing based upon camera selection
A method including generating respective audio signals from microphones of an apparatus; determining which camera(s) of a plurality of cameras of the apparatus...
US-1,023,9432 Acoustic output through headrest wings
The technology described in this document can be embodied in a headrest of a seat, the headrest including an enclosure for housing one or more acoustic...
US-1,023,7676 Sparse decomposition of head related impulse responses with applications to spatial audio rendering
This application describes methods of signal processing and spatial audio synthesis. One such method includes accepting an auditory signal and generating an...
US-1,023,7674 Compatible multi-channel coding/decoding
In processing a multi-channel audio signal having at least three original channels, a first downmix channel and a second downmix channel are provided, which are...
US-1,023,7673 Audio encoding apparatus and method, audio decoding apparatus and method, and audio reproducing apparatus
An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus...
US-1,023,7672 Method and system for surround sound processing in a headset
An audio headset may receive a plurality of audio signals corresponding to plurality of surround sound channels. The headset may determine, via its audio...
US-1,023,7663 Devices and methods for hearing
A device to transmit an audio signal to a user comprises a transducer and a support. The support is configured for placement on the eardrum to drive the...
US-1,023,7661 Speaker device
A speaker device comprises a vibration system, a magnetic circuit system, and an auxiliary system for accommodating and fixing the magnetic circuit system and...
US-1,023,7654 Spatial low-crosstalk headset
An apparatus for reducing cross-talk between transmitted audio signals and received audio in a headset. The headset includes one or more of a set of earphones,...
US-1,023,7653 Speaker apparatus, electronic apparatus connected therewith, and controlling method thereof
A speaker apparatus includes a first wireless communicator connected with a first source apparatus to receive a first audio signal from the first source...
US-1,023,7651 Audio signal processing method and electronic device for supporting the same
An audio processing method and an electronic device for supporting the same are provided. The audio signal processing method includes checking property...
US-1,023,7647 Adaptive step-size control for beamformer
A beamformer system that can isolate a desired portion of an audio signal resulting from a microphone array. A combination of beamformers is used to dampen...
US-1,023,7613 Methods and systems for viewing dynamically customized audio-visual content
Systems and methods for viewing dynamically customized audio-visual content are described. In some implementations, a process may include providing at least one...
US-1,023,7611 Dynamic media content output for mobile devices
Embodiments of mechanisms for dynamic media content type streaming management for mobile devices are generally described herein. In some embodiments, the mobile...
US-1,023,7415 Method of controlling communications within a digital intercom system
A method of managing communications between communication devices within a digital intercom system includes providing input and output tables for each...
US-1,023,7317 Portable group communication device and method of use
A portable communication device comprises a housing having therein: a microphone interface for receiving a first audio signal generated by a microphone...
US-1,023,7268 Secure passcode processing device
A computing system is described that at least one microphone, a secure processing unit, and a general processing unit. The microphone is coupled to an audio...
US-1,023,6850 Signal processor using multiple frequency bands
A circuit and method is disclosed for filtering an audio signal. The circuit has a first quadrature source and multipliers for multiplying the input signal by...
US-1,023,6849 Automatic volume control for combined game and chat audio
A system comprising audio processing circuitry is provided. The audio processing circuitry is operable to receive combined-game-and-chat audio signals. The...
US-1,023,6832 Audio system
An audio system includes a reference voltage generation circuit to generate a digital encoding signal and generate an analog reference voltage according to the...
US-1,023,6031 Timeline reconstruction using dynamic path estimation from detections in audio-video signals
A dynamic path estimation method reconstructs a program timeline in real time from an incoming stream of audio or visual content in which watermark payloads are...
US-1,023,6018 Systems and methods for detection of a target sound
A system for detection of a target sound in an environment of a vehicle, includes an audio sensor, a computer processor, and a memory storing digital target...
US-1,023,6011 Personal audio assistant device and method
A computer readable medium containing instructions for controlling an electronic device causes one or more processors to perform operations including receiving...
US-1,023,6010 Pitch filter for audio signals
In some embodiments, a pitch filter for filtering a preliminary audio signal generated from an audio bitstream is disclosed. The pitch filter has an operating...
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