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Searching: audio signal





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Patent # Description
US-9,332,160 Method of synchronizing audio-visual assets
A system and method of synchronizing the processing and distribution of audio-visual assets in a distributed production studio are presented. The method...
US-9,332,114 Method for reproducing music file of mobile communication terminal and mobile terminal implementing the same
Mobile communication terminals and methods are provided. A mobile communication terminal includes a transceiver, audio processing unit, speaker, connecting...
US-9,332,109 Software routine and methods for implementing routine to extend time to trace a phone call
Phone call tracing is a law enforcement tool best known for its use by the Federal Bureau of Investigation in trying to catch kidnappers. Tracing a call is...
US-9,331,864 Audio video distribution system using multiple network speaker nodes in a multi speaker session
This disclosure describes an audio video distribution system that uses a local area network to distribute a digital audio signal and that uses multiple network...
US-9,331,656 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-9,331,650 Audio system
An audio system includes a channel (10) for processing signals. The channel (10) includes a processing module (50) that follows a chain of modules (40) wherein...
US-9,331,641 Circuit structure for achieving adaptive function in class-D audio power amplifier circuit
Disclosed is a circuit structure for implementing an adaptive function in a class-D audio power amplifier circuit, comprising an operation amplifier, a pulse...
US-9,330,720 Methods and apparatus for altering audio output signals
Methods, systems and computer readable media for altering an audio output are provided. In some embodiments, the system may change the original frequency...
US-9,330,677 Method and apparatus for generating a noise reduced audio signal using a microphone array
A method and apparatus for generating a noise reduced output signal from sound received by a first and second microphone arranged as a microphone array. The...
US-9,330,672 Frame loss compensation method and apparatus for voice frame signal
A frame loss compensation method and apparatus for audio signals are disclosed. The method includes: when a first frame immediately following a correctly...
US-9,330,671 Energy conservative multi-channel audio coding
The invention relates to the technical field of audio encoding and/or decoding technologies, and thus concerns an overall encoding procedure and associated...
US-9,330,670 Computing device and signal enhancement method
A computing device provides a resonance algorithm to process digital signal data according to a principle of physical resonance. The resonance algorithm...
US-9,330,653 Noise reduction apparatus and audio reproduction apparatus
A noise reduction apparatus includes: a speaker with a speaker unit held by holding means to make it possible to mix sounds emitted from front and rear of a...
US-9,330,385 Card payment system
In one example embodiment, a card payment system includes a card payment apparatus, having an audio jack, configured to: read account information stored on a...
US-9,329,833 Visual audio quality cues and context awareness in a virtual collaboration session
Systems and methods for providing visual audio quality cues and context awareness in a virtual collaboration session. In some embodiments, a method may include...
US-9,329,613 Power efficiency improvement of an audio amplifier by adaptive control of a charge pump
A control circuit and method for an audio amplifier detect a signal for driving a speaker to control the switching frequency and the operation mode of a charge...
US-9,326,086 Neural induced enhancement of audio signals
Neural induced enhancement of audio signals is provided to facilitate improving the listening pleasure of a user. An audio processor component can detect brain...
US-9,326,083 Audio signal processing system
An audio signal processing system for recording a sound inputted into a channel of a mixer which receives a plurality of audio signals, processes the audio...
US-9,326,082 Song transition effects for browsing
In one aspect, a method of providing directive transitions between audio signals comprises associating a first/second browsing direction (A1, A2) with a...
US-9,326,073 FM filtering for class-G/H headphones
A radio frequency filtering circuit for audio headphones includes a switching power supply, audio amplifier section, one or more outputs from the audio...
US-9,326,069 System with speaker, transceiver and related devices
A system includes a housing, a speaker included in the housing, and a first transceiver associated with the housing to wirelessly transmit and receive audio...
US-9,326,067 Multiplexing audio system and method
A method and system for multiplexing audio signals into a single channel uses frequency division multiplexing. The frequency division multiplexing method herein...
US-9,326,064 Microphone array configuration and method for operating the same
An apparatus comprises a plurality of microphone units including at least a first microphone unit and a second microphone unit, each of the first and second...
US-9,326,062 Method and system of extending battery life of a wireless microphone unit
A method of extending battery life of a wireless microphone unit includes muting the wireless microphone unit responsive to a mute signal from a base station...
US-9,326,061 Sound output apparatus, audio processing apparatus, sound output method, and audio processing method
A sound output apparatus configured to connect to an audio processing apparatus may include a communication interface which receives an audio signal from the...
US-9,326,060 Beamforming in varying sound pressure level
A method that uses a microphone array for spatially selective sound pickup during an audio-video recording session is described. An audio signal for the...
US-9,326,055 Apparatus and method for providing a loudspeaker-enclosure-microphone system description
An apparatus for providing a current loudspeaker-enclosure-microphone system description of a loudspeaker-enclosure-microphone system is provided. The apparatus...
US-9,326,053 Flat panel speaker assembly integrated with vehicle trim
A trim panel assembly for a vehicle incorporates a flat panel speaker. The trim panel defines an interior surface of a passenger compartment of the vehicle and...
US-9,325,821 Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling
A wireless telephone includes an adaptive noise canceling (ANC) circuit that adaptively generates an anti-noise signal from a reference microphone signal and...
US-9,325,439 Audio signal processing device
An output channel processing an audio signal after mixing in a mixing bus in a digital mixer is configured such that output points PreHPF and PostON are...
US-9,325,364 Methodology to define optimal sun position using the capability provided by smart phone technology
A smart phone for using to optimize the energy production of a solar panel in real time by a user features a signal processor to receive GPS signaling...
US-9,325,286 Audio clipping prevention
Audio clipping is prevented by attenuating an audio signal in accordance with values retrieved from a gain table. Corresponding amplitude values of a stereo...
US-9,325,285 Method of reducing un-correlated noise in an audio processing device
An audio processing device comprises a multitude of electric input signals, each electric input signal being provided in a digitized form, and a control unit...
US-9,324,365 Multi-language buffering during media playback
A data processor for processing a data stream having audio and video data has an input buffer for buffering the data stream; a data stream analyzer for...
US-9,324,339 Methods and systems for enhancing pitch associated with an audio signal presented to a cochlear implant patient
An exemplary method of enhancing pitch of an audio signal presented to a cochlear implant patient includes 1) determining a frequency spectrum of an audio...
US-9,324,337 Method and system for dialog enhancement
A method and system for enhancing dialog determined by an audio input signal. In some embodiments the input signal is a stereo signal, and the system includes...
US-9,324,336 Method of managing a jitter buffer, and jitter buffer using same
The present invention relates to a method of managing a jitter buffer and a jitter buffer using same. The method of managing a jitter buffer includes the steps...
US-9,324,334 Signal processing apparatus, signal processing method, and program
Provided is a signal processing apparatus, including a filter unit that filters an audio signal created by decimating a portion of frequency components by an...
US-9,324,332 Method and encoder and decoder for sample-accurate representation of an audio signal
A method for providing information on the validity of encoded audio data is disclosed, the encoded audio data being a series of coded audio data units. Each...
US-9,324,329 Method for parametric spatial audio coding and decoding, parametric spatial audio coder and parametric spatial...
A method for parametric spatial audio coding of a multi-channel audio signal comprising a plurality of audio channel signals is provided, the method comprising:...
US-9,324,328 Reconstructing an audio signal with a noise parameter
A method for reconstructing an audio signal having a baseband portion and a highband portion is disclosed. The method includes decoding an encoded audio signal...
US-9,324,318 Creation and application of audio avatars from human voices
A subject voice is characterized and altered to mimic a target voice while maintaining the verbal message of the subject voice. Thus, the words and message are...
US-9,324,314 System for controlling vehicle interior sound using smart phone and method thereof
A system for controlling vehicle interior sound using a smart phone and a method thereof include a driving information provider to provide driving information...
US-9,324,313 Methods and systems for implementing bone conduction-based noise cancellation for air-conducted sound
A wearable computing device can receive, via at least one input transducer, a first audio signal associated with ambient sound from an environment of the...
US-9,324,311 Robust adaptive noise canceling (ANC) in a personal audio device
An adaptive noise canceling (ANC) circuit adaptively generates an anti-noise signal from that is injected into the speaker or other transducer output to cause...
US-9,324,310 Multi-touch piano keyboard
A musical keyboard touch sensor pad having a plurality of integrated sensors disposed in an array is disclosed. The plurality of integrated sensors represents a...
US-9,324,217 System for transmitting an alert
An alert beacon carried directly by a human being is equipped with a transmit circuit able to produce an alert signal transmitted on the same channel as that...
US-9,323,366 Method for controlling volume of electronic device and electronic device using the same
A method for controlling volume of an electronic device is proposed along with the electronic device using the same. The electronic device has a speaker module,...
US-9,323,348 Stylus having sensing and transmitting capabilities
A drawing stylus that transmits data to a base unit using high-frequency audio or radio frequency signals is described. The stylus includes a color selector...
US-9,322,669 Intelligent electronic device having audible and visual interface
An intelligent electronic device having an audible and visual interface for providing audible and visual instructions to a user in an event of an alarm or...
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