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Searching: audio signal





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Patent # Description
US-9,161,146 Device and method for diagnosing audio circuitry
The present invention provides a device and method for diagnosing an audio circuitry, which is applied to a mobile terminal and its earphone. Both of the mobile...
US-9,161,145 System and method for faster response time in stereo/mono detection
An audio receiver may include a mono/stereo detector that causes the audio receiver to output either a monophonic or a stereophonic signal based on a difference...
US-9,161,144 Method for determining a transmission quality when receiving audio signals and receiving unit
There is provided a method of determining a transmission quality when receiving audio signals which are transmitted over a frequency-modulated path in analog...
US-9,161,137 Mixing of in-the-ear microphone and outside-the-ear microphone signals to enhance spatial perception
This document provides a hearing assistance device for playing processed sound inside a wearer's ear canal, the hearing assistance device comprising a first...
US-9,161,132 Audio processing apparatus with selection to and from multi-room mode
An audio processing section generates at least a left-front audio signal, a right-front audio signal, a second left audio signal that is the same as a...
US-9,161,129 Arranging an audio signal based on the number of loudspeakers
An apparatus including: a router configured to route a first audio signal to a local loudspeaker apparatus; and a switch configured to route at least one...
US-9,161,126 Systems and methods for protecting a speaker
In accordance with these and other embodiments of the present disclosure, systems and methods may include a controller configured to be coupled to an audio...
US-9,161,122 Apparatus for differential interpolation pulse width modulation digital-to-analog conversion and output signal...
A differential interpolation pulse width modulation (iPWM) digital to analog converter is provided, including an iPWM module for generating differential pulses...
US-9,161,121 Device, headphones and audio player with environmental sound mixing function
A device with an environmental sound mixing function includes a case, an input jack, an output jack, a microphone, a mixing module and an output detecting...
US-9,160,988 System and method for payload encoding and decoding
Systems, methods and apparatuses are disclosed for protecting encoded media data. A minimum set of information needed to encode a single message for an encoded...
US-9,160,964 Online terminal
The present disclosure discloses an online terminal comprising a wireless signal transceiver unit, a wireless signal codec unit, an audio format conversion...
US-9,160,829 Dynamic audio parameter adjustment using touch sensing
An audio communications device has a handset in which a touch sensing ear piece region is coupled to an acoustic leakage analyzer. The acoustic leakage analyzer...
US-9,160,602 Method of improving performance in a hierarchical modulation system
A method is provided for enhancing a legacy satellite digital radio audio service (SDARS) by overlaying a hierarchically modulated data stream on a base layer...
US-9,160,551 Analytic recording of conference sessions
A conference server is configured to receive audio signals associated with active speakers at separate conference endpoints, and to mix the audio signals to...
US-9,160,460 Noise cancelling device
A noise cancelling device includes an extracting unit configured to extract a first noise from a signal, the signal being based on an input audio signal, a...
US-9,160,404 Reverberation reduction device and reverberation reduction method
A reverberation reduction device includes, a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the...
US-9,160,294 Virtual pre-amplifier and effects system and methods for customizing and using the same in live performances
The technology in one embodiment includes an audio-processing unit, for processing an input audio signal using a pre-established audio feature. The unit...
US-9,159,366 Device for playback in a motor vehicle and method for synchronization
A device and method for synchronization of data for audio and/or video between a memory of a device in a motor vehicle and an external device is provided. The...
US-9,159,338 Systems and methods of rendering a textual animation
Systems and methods of rendering a textual animation are provided. The methods include receiving an audio sample of an audio signal that is being rendered by a...
US-9,159,337 Apparatus and method for generating a high frequency audio signal using adaptive oversampling
An apparatus for generating a high frequency audio signal that includes an analyzer for analyzing an input signal to determine a transient information...
US-9,159,336 Cross-domain filtering for audio noise reduction
An audio-based system may perform automatic noise reduction to enhance speech intelligibility in an audio signal. Described techniques include initially...
US-9,159,335 Apparatus and method for noise estimation, and noise reduction apparatus employing the same
Provided are an apparatus and method for estimating noise and a noise reduction apparatus employing the same. The noise estimation apparatus estimates noise by...
US-9,159,333 Method and apparatus for adaptively encoding and decoding high frequency band
Provided are a method and apparatus for encoding and decoding an audio signal. According to the present application, a signal of a high frequency band above a...
US-9,159,332 Method and apparatus for encoding and decoding noise signal
Provided is a method and apparatus for encoding/decoding an audio signal. Sections which are not used to output noise components near important spectral...
US-9,159,331 Bit allocating, audio encoding and decoding
A bit allocating method is provided that includes determining the allocated number of bits in decimal point units based on each frequency band so that a...
US-9,159,330 Rate controller, rate control method, and rate control program
In an audio encoding system that divides frames generated from input signals into multiple scale factor bands and that encodes each of the scale factor bands by...
US-9,159,328 Audio fingerprinting for advertisement detection
A device may receive an audio sample, and may separate the audio sample into multiple sub-band signals in multiple frequency bands. The device may modify an...
US-9,159,324 Identifying people that are proximate to a mobile device user via social graphs, speech models, and user context
Techniques are provided to improve identification of a person using speaker recognition. In one embodiment, a unique social graph may be associated with each of...
US-9,159,312 Audio device with privacy mode
A device includes an audio processor, a first speaker, and a second speaker. The audio processor is configured to receive an audio signal. The first speaker is...
US-9,159,310 Musical modification effects
Systems, including methods and apparatus, for applying audio effects to a non-ambient signal, based at least in part on information received in an ambient audio...
US-9,158,337 Docking station with speakers for media player
A speaker docking station for an iPad has a housing having a seat for supporting the iPad resting thereon in either portrait or landscape position, a dock...
US-9,154,898 System and method for improving sound image localization through cross-placement
A system and a method of improving sound image localization through cross-placement are provided. The system includes a first stereo system including a first...
US-9,154,897 Immersive audio rendering system
A depth processing system can employ stereo speakers to achieve immersive effects. The depth processing system can advantageously manipulate phase and/or...
US-9,154,896 Audio spatialization and environment simulation
Methods and apparatus are disclosed for processing an audio sound source to create four-dimensional spatialized sound. A virtual sound source may be moved along...
US-9,154,894 Frequency characteristics determination device
A frequency characteristics determination device that can prevent generation of a frequency response curve having an unnatural shape is provided. A CPU 11 sets...
US-9,154,889 Hearing aid having level and frequency-dependent gain
An improved open-ear hearing aid to compensate for hearing loss includes a microphone for picking up incident sound and converting it to an electrical audio...
US-9,154,881 Digital audio processing system and method
Systems and method for audio processing are disclosed. Left and right channels of an audio data stream are combined to derive sum and difference signals. A time...
US-9,154,879 Method and apparatus for processing audio signal and audio playback system
A Method for processing an audio signal to use a beamforming technique in a three-dimensional (3D) space is disclosed. The method may include generating a...
US-9,154,877 Collaborative sound system
In general, techniques are described for forming a collaborative sound system. A headend device comprising one or more processors may perform the techniques....
US-9,154,873 Echo suppression
Method, user device and computer program product for suppressing echo. An audio signal is outputted from a speaker. A microphone receives an audio signal which...
US-9,154,872 Multiple input audio switch
A system and method for switching between multiple audio input signals to select one of the audio input signals as audio output signal are disclosed which...
US-9,154,726 Content data transmission system and content data transmission method
[Problem] In a system that transmits content data from a content replay device to a content output device, to prevent a deterioration in audio quality or video...
US-9,154,596 Method and system for audio system volume control
A communication device may determine total gain for a downlink processing path via the communication device. The total gain may be determined based on...
US-9,154,102 System for combining loudness measurements in a single playback mode
The present document relates to processing of multimedia data, notably the encoding, the transmission, the decoding and the rendering of multimedia data, e.g....
US-9,154,101 Active audio transducer protection
This document discusses, among other things, apparatus and methods for providing audio transducer protection. In an example, an audio protection circuit can...
US-9,154,097 Audio system including multiband audio dynamics processor
An audio system includes a level controller receiving an input audio signal from an audio medium. The level controller includes a gain adjust module producing...
US-9,154,095 Boost-on-demand amplifier
A method and an amplifier for amplifying audio signals receive and process an incoming audio sample in preparation for amplification by an electronic amplifier...
US-9,153,288 Recordable display apparatus
The invention provides a recordable display apparatus, which uses a converting unit to convert the digital image signal into a specific image signal, in which...
US-9,153,240 Transform coding of speech and audio signals
In a method of perceptual transform coding of audio signals in a telecommunication system, performing the steps of determining transform coefficients...
US-9,153,238 Method and apparatus for processing an audio signal
The present invention relates to a method for processing an audio signal, comprising the following steps: performing a linear predictive analysis on the current...
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