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Searching: audio signal





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Patent # Description
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...
US-9,153,237 Audio signal processing method and device
Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary...
US-9,153,230 Mobile speech recognition hardware accelerator
A method for executing a mobile speech recognition software application based on a multi-layer neural network model includes providing to a hardware accelerator...
US-9,153,128 Traffic signal device for driver/pedestrian/cyclist advisory message screen at signalized intersections
An encrypted traffic signal device controller (TSDC) and an Electronic Variable Message Sign (EVMS) at intersection roadways and related traffic intersections...
US-9,149,202 Device, method, and program for adjustment of hearing aid
An adjustment device for a hearing aid includes: an audio extraction section for, through an acoustic process of a collected audio signal, utilizing information...
US-9,148,742 Proximity detection via audio
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for detecting ambient audio, generating audio data based on...
US-9,148,725 Methods and apparatus for improving audio quality using an acoustic leak compensation system in a mobile device
Techniques for use in improving audio quality with use of an acoustic leak compensation (ALC) system in a mobile device are described. The mobile device...
US-9,148,724 Audio system signal processing control using microphone movement information
An audio conferencing system has a base station, a speaker and one or more mobile microphones, and it operates to receive audio information from both a far-end...
US-9,148,721 System, method and apparatus for silent true bypass switching
A system, method and apparatus in the field of signal processing with particular applications to the specialized field of audio signal processing as it is used...
US-9,148,720 Multimedia output device with detection and protection circuit and audio output method thereof
A multimedia output device and an audio output method thereof are provided. The multimedia output device is electrically connected to an external speaker. The...
US-9,148,585 Method and apparatus for cooperative recording
A method, system, and article of manufacture that allows amateur camera operators to share video and audio with other amateur camera operators at the same event...
US-9,148,128 Method and apparatus for utilizing modulation based audio correlation technique for maintaining dynamic FM...
A method of operating a single-tuner radio includes tuning into a first frequency. A pause in a first signal associated with the first frequency is detected....
US-9,147,403 Responding to a call to action contained in an audio signal
An audio signal is monitored to detect the presence of a call to action contained therein. Addressing information is automatically extracted from the call to...
US-9,147,402 Method and apparatus for detecting which one of symbols of watermark data is embedded in a received signal
Watermark symbol detection requires a detection metric for deciding at decoder side which candidate symbol is embedded inside the audio or video signal content....
US-9,147,399 Identification using audio signatures and additional characteristics
Techniques for identifying users that issue audio commands based on signatures associated with the commands and additional characteristics associated with the...
US-9,147,391 Aircraft predictive active noise cancellation
An improved user experience is provided for passengers of a transportation vessel, such as an airplane. A passenger's experience is enhanced by allowing the...
US-9,146,899 System and method of arbitrating audio source streamed by mobile applications
A system for attenuating vehicle audio for mobile application audible statements, the system comprising a vehicle computing system having one or more processors...
US-9,146,283 Battery tester
A battery tester determines a remaining level of charge of a battery mounted within a separate electronic device having an audio jack. The battery tester...
US-9,143,878 Method and system for headset with automatic source detection and volume control
An audio headset receives one or more audio signals carrying one or more audio channels and processes the audio channels to generate stereo signals for output...
US-9,143,864 Audio playback system
An audio playback system includes a handheld device and a digital stereo set. By the handheld device, a control message is converted into a modulation signal....
US-9,143,863 Apparatus, systems and methods for inaudibly identifying an audio accessory using spectral shaping
A method for identifying an accessory coupled to an electronic device. The method includes applying at least one detection pulse to the audio accessory, each...
US-9,143,862 Correlation based filter adaptation
Example apparatus and methods concern performing stereo acoustic echo cancellation using a correlation based filter adaptation control approach and without...
US-9,143,856 Apparatus and method for spatially selective sound acquisition by acoustic triangulation
An apparatus for capturing audio information from a target location includes first and second beamformers arranged in a recording environment and having first...
US-9,143,775 Method of evaluating at least one defect of quality in a data signal, associated device and computer program
Method of evaluating a defect of quality in a data signal, associated device and computer program. The method evaluates the defect of a carrier signal bearing...
US-9,143,670 Video capture system including two independent image sensors
An in-vehicle video system comprising a forward-looking video camera system that includes two independent image sensors and associated digital signal processors...
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