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Searching: audio signal





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Patent # Description
US-9,413,316 Asymmetric polynomial psychoacoustic bass enhancement
Psychoacoustic bass audio signal enhancement can be accomplished using a monotonic, asymmetric polynomial distortion. A non-linear process applies a monotonic,...
US-9,412,389 High frequency regeneration of an audio signal by copying in a circular manner
According to an aspect of the present invention, a method for reconstructing an audio signal having a baseband portion and a highband portion is disclosed. The...
US-9,412,388 High frequency regeneration of an audio signal with temporal shaping
A method for generating a reconstructed audio signal having a baseband portion and a highband portion is disclosed. The method includes deformatting an encoded...
US-9,412,384 Broadcast transmitting/playback apparatus and method thereof
A broadcast transmitting apparatus and method, and a broadcast playback apparatus and method for providing an object-based audio by encoding and decoding a...
US-9,412,383 High frequency regeneration of an audio signal by copying in a circular manner
A method for generating a reconstructed audio signal having a baseband portion and a highband portion is disclosed. The method includes deformatting an encoded...
US-9,412,378 Device and method for supplying a reference audio signal to an acoustic processing unit
Equipment includes a first interface intended to be connected to a sound reproduction device and at least one second interface intended to be connected to at...
US-9,412,376 Speaker verification using co-location information
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for identifying a user in a multi-user environment. One of the...
US-9,412,354 Method and apparatus to use beams at one end-point to support multi-channel linear echo control at another...
A conference system is described that transfers audio signals/streams between a near-end computing system and a far-end computing system. The near-end system...
US-9,412,353 Method for cancelling noise and electronic device thereof
An apparatus and method for cancelling a noise of an audio signal in an electronic device is provided. The method includes recording audio signals using a...
US-9,412,114 Banking system operated responsive to data read from data bearing records
An exemplary system includes an automated banking machine which is operable to conduct transactions including cash dispensing for users responsive to...
US-9,411,883 Audio signal processing apparatus and method, and monitoring system
The invention discloses an audio signal processing apparatus and method and a monitoring system. The audio signal processing apparatus includes: a window...
US-9,411,050 Global positioning system device for providing position location information to a smart device
A global positioning system (GPS) device for providing position location information (PLI) to a smart device includes a GPS receiver; a signal interpreting...
US-9,408,572 Apparatus and method for measuring biologic parameters
Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an...
US-9,408,048 Notifications for connected wearable devices
A user device includes a controlling application for a child's wearable device. A network device receives configuration settings for an event widget that...
US-9,408,011 Automated user/sensor location recognition to customize audio performance in a distributed multi-sensor environment
A wireless device is provided that makes use of other nearby audio transducer devices to generate a surround sound effect for a targeted user. To do this, the...
US-9,408,010 Audio system and method therefor
An audio system comprises a receiver which receives an input audio signal. A decomposer (103) decomposes the audio signal into at least a transient component...
US-9,407,998 Hearing device with analog filtering and associated method
A hearing device includes: a microphone for converting audio into an audio signal; a preprocessing unit for analog processing of the audio signal and having an...
US-9,407,996 Wide dynamic range microphone
A microphone system has an output and at least a first transducer with a first dynamic range, a second transducer with a second dynamic range different than the...
US-9,407,993 Latency reduction in transposer-based virtual bass systems
A latency reduction system in a virtual bass processing system performs harmonic transposition on low frequency components of an audio signal to generate...
US-9,407,989 Closed audio circuit
A closed audio circuit is disclosed with function of eavesdropping prevention and audio clarity enhancement. The closed audio circuit includes a plurality of...
US-9,407,988 Method and apparatus for audio processing
A method and apparatus for introducing a time-varying time delay or phase shift randomly into the individual reproduction channels of a sound recording, two in...
US-9,407,987 Audio interface self-adaptation device
An audio interface self-adaption device includes an audio interface, a first level comparison module, a second level comparison module, a PNP triode Tc, a power...
US-9,407,986 Simultaneous wired and wireless connection for demonstration product
A demonstration system includes a demonstration processor including a wired audio output, a data interface, and an anchor point. A portable audio device...
US-9,407,378 Apparatus and method for reducing TDMA noise of portable terminal
An apparatus and a method for reducing a time division multiple access noise of a portable terminal. The apparatus includes an interface unit to which an...
US-9,407,356 Digital audio system of an aircraft
A digital audio system of an aircraft comprising one or more pieces of audio equipment and one or more pieces of radio equipment providing a reliable side tone...
US-9,406,313 Adaptive microphone sampling rate techniques
An apparatus for adjusting a microphone sampling rate, the apparatus including an input to receive an audio signal from a microphone and a front-end processing...
US-9,406,311 Encoding method, encoding apparatus, and computer readable recording medium
An encoding method executed by a computer, the method includes converting by the computer information about a transient included in a low-frequency component of...
US-9,406,310 Vehicle voice interface system calibration method
A vehicle voice interface system calibration method comprising electronically convolving voice command data with voice impulse response data, electronically...
US-9,406,309 Method and an apparatus for generating a noise reduced audio signal
A method and apparatus are provided for generating a noise reduced output signal from sound received by a first microphone. The method includes transforming the...
US-9,406,308 Echo cancellation via frequency domain modulation
Methods, systems, and computer programs are presented for suppressing echo in network communications. One method includes an operation for filtering, with a...
US-9,406,307 Method and apparatus for polyphonic audio signal prediction in coding and networking systems
A method, device, and apparatus provide the ability to predict a portion of a polyphonic audio signal for compression and networking applications. The solution...
US-9,406,306 Signal processing apparatus and method, and program
A method, system, and computer program product for processing an encoded audio signal is described. In one exemplary embodiment, the system receives an encoded...
US-9,406,305 Messaging by writing an image into a spectrogram
A message is communicated between devices by passing a host signal, such as an audio signal, with the message written into the spectrogram of the host signal....
US-9,406,304 Method, apparatus, and system for processing audio data
A method, an apparatus, and a system for processing audio data are provided that pertain to the field of communications technologies. The method includes:...
US-9,406,302 Method and apparatus for processing a multi-channel audio signal
The invention relates to a method for processing a multi-channel audio signal which carries a plurality of audio channel signals. The method comprises...
US-9,406,293 Apparatuses and methods to detect and obtain desired audio
A device and method to detect desired audio includes a ratio calculator. The ratio calculator calculates a ratio between a primary acoustic signal, and a...
US-9,405,826 Systems and methods for digital signal processing
Systems and methods are provided for audio processing. A system includes: a component manager and a pipeline manager. The component manager is configured to...
US-9,405,501 System and method for automatic synchronization of audio layers
Methods and systems for synchronizing audio layers is disclosed. In one aspect, a method of synchronizing audio layers to form an audio composition includes...
US-9,405,439 Audio signal controller
It is determined whether user's operation performed on a control is normal or special operation. A function of increasing or decreasing a value of a parameter...
US-9,403,005 Systems and methods for optimizing a compliance voltage of an auditory prosthesis
An exemplary sound processor 1) sets a current steering range for a stimulation channel defined by first and second physical electrodes communicatively coupled...
US-9,402,596 Bowel sound analysis method and system
A bowel sound analysis method and system utilizes an audio collection apparatus to continuously monitor an abdominal cavity of an examinee and collect a bowel...
US-9,402,179 Inductive pickup coil for secure pairing
Techniques and systems are provided for facilitating secure pairing of a client device with a remote device using a inductive pickup coil in the client device...
US-9,402,144 Apparatus for changing an audio scene and an apparatus for generating a directional function
An apparatus for changing an audio scene has a direction determiner and an audio scene processing apparatus. The audio scene has at least one audio object...
US-9,402,143 Method for processing an audio signal, audio playback system, and processing unit for processing audio signals
Method of processing an audio signal, audio reproduction system, and processing unit for conditioning audio signals. The audio signal includes at least first...
US-9,402,133 Multi-channel audio vibratory entertainment system
An entertainment system according to an embodiment of the present application includes a portable media device configured to produce an audible output signal,...
US-9,402,132 Limiting active noise cancellation output
In general, techniques are described for limiting active noise cancellation output. As one example, an apparatus comprising one or more processors may perform...
US-9,402,130 Wind noise reducing circuit
A high-pass filter is configured to remove a low-pass filter component of a first channel audio signal and a low-pass filter component of a second channel audio...
US-9,402,129 Audio control method and audio player using audio control method
An audio control method of an audio player, the audio player includes an audio playing unit having a first channel and a second channel, and an audio control...
US-9,402,128 Adaptive rail power amplifier technology
Adaptive rail power amplifier technology processes an audio signal by feeding the audio signal to the power amplifier to produce an output signal, applying...
US-9,401,998 Robust DTMF detection in an unreliable voice-over-IP (VoIP) environment
A method to discriminate a signal as a DTMF digit is operative in a service provider having a VoIP-based media server. The media server accepts both in-band...
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