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Searching: audio signal





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Patent # Description
US-9,084,070 System and method for automatic selection of audio configuration settings
In one embodiment the present invention includes a circuit for automatically adjusting an output of an audio device. The circuit includes a memory circuit, a...
US-9,084,069 Audio signal processing device, audio signal processing method, and program
An audio signal processing device includes two audio signal processing units that serially perform a processing with respect to an input audio signal, and...
US-9,084,063 Hearing aid compatible audio device with acoustic noise cancellation
A portable audio device, which includes active noise cancellation circuitry, a hearing aid compliant magnetic radiator, and a speaker/earpiece, is surrounded by...
US-9,084,059 Electronic audio device to determine matching and non-matching speakers
An electronic audio system that determines matching and non-matching speakers is disclosed. The electronic audio system includes a first speaker; a second...
US-9,084,054 Ear jewelry with wireless audio device
An audio device worn in a piercing in an ear of a user. The audio device extends through the piercing and includes a wireless communications unit disposed at a...
US-9,084,048 Audio systems and methods employing an array of transducers optimized for particular sound frequencies
Systems and methods for generating sound, detecting sound, and generating and detecting sound are provided. An array of audio transducers can be provided...
US-9,084,040 Autonomous mixer for devices capable of storing and playing audio signals
An apparatus and method for autonomously mixing multiple devices capable of storing and playing audio signals is provided. Multiple devices can be mixed into...
US-9,084,037 Audio beamforming
An audio beamforming apparatus includes a receiving circuit (103) which receives signals from an at least two-dimensional microphone array (101). A reference...
US-9,083,988 System and method for identifying viewers of television programs
A system, computer-readable storage medium storing at least one program, and a computer-implemented method for identifying viewers of a television set is...
US-9,083,854 Method and video device for accessing information
A method and video device are disclosed for accessing information. In an embodiment of the present invention, part of data included in a title, being played,...
US-9,083,821 Converting audio to haptic feedback in an electronic device
In general, in one aspect, a method performed by one or more processes executing on a computer systems includes receiving an audio signal comprising a range of...
US-9,083,783 Detecting double talk in acoustic echo cancellation using zero-crossing rate
A method for acoustic echo cancellation in a communication device is provided that includes receiving a first near-end audio signal in the communication device,...
US-9,083,782 Dual beamform audio echo reduction
A telephonic device having a speakerphone function has a loudspeaker and a plurality of microphones. The plurality of microphones are coupled to a plurality of...
US-9,083,776 Echo mitigation in a conference call
In an example embodiment, an example method is provided for echo mitigation in a conference call. In this method, a test audio signal is transmitted to a...
US-9,083,443 Intelligent notification appliance circuit and system
An intelligent notification appliance circuit has a controller and one or more addressable notification appliances coupled with a single pair of wires. The...
US-9,083,298 Techniques for distortion reducing multi-band compressor with timbre preservation
Distortion reducing multi-band compressor with timbre preservation is provided. Timbre preservation is achieved by determining a time-varying threshold in each...
US-9,083,288 High level capable audio amplification circuit
The present invention relates to an audio amplification circuit with first and second signal channels which generate first and second digital audio signals with...
US-9,082,413 Electronic transaction authentication based on sound proximity
A computer program product comprises computer usable program code for receiving data describing a proposed electronic transaction between first and second...
US-9,082,411 Method to reduce artifacts in algorithms with fast-varying gain
A method and device reduce artifacts in an audio processing algorithm for applying a time and frequency dependent gain to an input audio signal. The method...
US-9,082,410 Audio processing apparatus, audio processing method, and image capturing apparatus
An audio processing apparatus includes a first microphone, a second microphone, and a masking unit configured to mask movement of air from outside of the...
US-9,082,399 Method and apparatus for processing an audio signal using window transitions for coding schemes
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an...
US-9,082,398 System and method for post excitation enhancement for low bit rate speech coding
In accordance with an embodiment, a method of decoding an audio/speech signal includes decoding an excitation signal based on an incoming audio/speech...
US-9,082,396 Audio signal synthesizer
The invention relates to an audio signal synthesizer, the audio signal synthesizer comprises a transformer for transforming the down-mix audio signal into...
US-9,082,395 Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and...
The application relates to audio encoder and decoder systems. An embodiment of the encoder system comprises a downmix stage for generating a downmix signal and...
US-9,082,387 Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices
A personal audio device, such as a wireless telephone, generates an anti-noise signal from an error microphone signal and injects the anti-noise signal into the...
US-9,078,111 Method for providing voice call using text data and electronic device thereof
A method for providing a voice call using text data and an electronic device thereof are provided. The method includes converting the detected text data into...
US-9,078,077 Estimation of synthetic audio prototypes with frequency-based input signal decomposition
An approach to forming output signals both permits flexible and temporally and/or frequency local processing of input signals while limiting or mitigating...
US-9,078,076 Sound system
Methods and systems for processing audio data, such as spatial audio data, in which one or more sound characteristics of a given component of a spatial audio...
US-9,078,066 Touch input surface speaker
Processing an audio signal is disclosed. A source audio signal to be rendered by a touch input medium is received. An indication of an event where the touch...
US-9,078,065 System and method for displaying sound as vibrations
There is provided a method and a system for presenting audio signals as vibrotactile stimuli to the body in accordance with a Model Human Cochlea (MHC). Audio...
US-9,078,064 Earphone assembly with moisture resistance
An acoustic system includes a receiver (or microphone), a tube, or a moisture resistant screen. The receiver is capable of outputting an audio signal, while the...
US-9,078,062 Driving of parametric loudspeakers
A parametric loudspeaker system comprises a pre-compensator (305) for generating a pre-compensated envelope signal by applying a pre-compensation to the input...
US-9,078,058 Applications for a two-way wireless speaker system
The two-way wireless speaker system of this invention increases sound fidelity by enabling speakers to acknowledge receipt of audio data packets. This provides...
US-9,078,057 Adaptive microphone beamforming
The present invention relates to adaptive beamforming in audio systems. More specifically, aspects of the invention relate to a method for adaptively estimating...
US-9,078,055 Localization of a wireless user equipment (UE) device based on single beep per channel signatures
A scheme for localizing a wireless user equipment (UE) device's relative position with respect to a spatial configuration based on audio signatures received via...
US-9,078,042 Apparatus and method for processing an interactive service
A method of processing an interactive service and an apparatus thereof are disclosed. The present invention includes receiving uncompressed audio content or...
US-9,078,018 Audio/video and data signal redistribution system
A system and method for routing an output signal comprising at least one channel carrying a selected program to the user selecting the selected program. Based...
US-9,077,936 Integrated IF SAW filter in baseband digital design for analog TV (or hybrid) tuner
A filter for processing a digital TV composite signal having a video component and an audio component includes a digital video filter and a digital audio...
US-9,077,853 System and method for a conference server architecture for low delay and distributed conferencing applications
Systems and methods for conducting a multi-endpoint video signal conference are provided. Conferencing endpoints are linked by pairs of a reliable and a less...
US-9,077,694 Agile network protocol for secure communications using secure domain names
A client device comprises: (a) a memory, (b) an application program, and (c) a signal processing configuration. The memory is configured and arranged to...
US-9,077,461 Streaming of digital data to a portable device
The present invention achieves wireless delivery of media streams to portable devices for providing media information related to a show or attraction for the...
US-9,077,435 Communication channel using logarithmic detector amplifier (LDA) demodulator
A method is provided for communicating signals at a low power level in an electromagnetic interference (EMI) environment. A first device transmits a modulated...
US-9,077,295 Class D amplification device
A controller 103 that conducts various controls corresponding to input information selects target voltage information and target dead time information...
US-9,076,459 Apparatus and method to classify sound to detect speech
Audio frames are classified as either speech, non-transient background noise, or transient noise events. Probabilities of speech or transient noise event, or...
US-9,076,458 System and method for controlling noise in real-time audio signals
A system for processing a digital audio signal that includes a plurality of samples is disclosed. The system comprises a magnitude determination module, a...
US-9,076,456 System and method for providing voice equalization
Systems and methods for providing voice equalization are provided. In exemplary embodiments, acoustic signals are received from both a near-end and a far-end...
US-9,076,455 Temporal interpolation of adjacent spectra
Embodiments of the present invention exploit redundancy of succeeding FFT spectra and use this redundancy for computing interpolated temporal supporting points....
US-9,076,452 Apparatus and method for generating audio signal having sound enhancement effect
An audio apparatus includes a decay pattern generator configured to generate a decay pattern to be applied in an early reflection region, and generate an audio...
US-9,076,450 Directed audio for speech recognition
Techniques are described for selecting audio from locations that are most likely to be sources of spoken commands or words. Directional audio signals are...
US-9,076,447 Acoustic activity detection apparatus and method
Streaming audio is received. The streaming audio includes a frame having plurality of samples. An energy estimate is obtained for the plurality of samples. The...
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