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Searching: audio signal





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Patent # Description
US-9,438,195 Variable equalization
An equalizer that linearly interpolates between two equalization states when transitioning from one equalization state to the other equalization state is...
US-9,438,183 Amplifier device and method for activating an amplifier device or the amplifier unit
Known types of amplifiers include so-called class D amplifiers, which first use a pulse-width modulator to convert an analog signal into a pulse-width modulated...
US-9,438,181 Amplification of signals output from bridge-tied load audio amplifiers
Disclosed boost amplifiers are used with a BTL amplifier that outputs balanced audio signals and that has an output current capacity and a dynamic power...
US-9,437,216 Method of transmitting data in a communication system
A method of receiving at a terminal a first signal transmitted via a communication network, said method comprising the steps of; receiving at the terminal the...
US-9,437,214 Distributed audience measurement systems and methods
Systems and methods are disclosed for customizing, distributing and processing audio fingerprint data. An example method includes receiving, at a first device,...
US-9,437,212 Systems and methods for suppressing noise in an audio signal for subbands in a frequency domain based on a...
Systems and methods for reducing noise from an input signal are provided. An input signal is received. The input signal is transformed from a time domain to a...
US-9,437,210 Audio signal processing
Disclosed is a device having an audio interface configured to generate from the audio signal an outgoing audio signal for supplying to a loudspeaker component....
US-9,437,205 Method, application, and device for audio signal transmission
The current invention discloses methods, applications, and devices for audio transmission from a mobile terminal. After receiving an audio signal transmission...
US-9,437,204 Transform encoding/decoding of harmonic audio signals
An encoder (20) for encoding frequency transform coefficients (Y(k)) of a harmonic audio signal include the following elements: A peak locator (22) configured...
US-9,437,202 Bandwidth extension of harmonic audio signal
Methods and arrangements in a codec for supporting bandwidth extension, BWE, of an harmonic audio signal. The method in the decoder part of the codec comprises...
US-9,437,200 Noise suppression
A method and computing system for suppressing noise in an audio signal, comprising: receiving the audio signal at signal processing means; determining that...
US-9,437,199 Method and device for separating signals by minimum variance spatial filtering under linear constraint
The invention relates to a method and the associated device 1 for separating one or more particular digital audio source signals (s.sub.i) contained in a mixed...
US-9,437,197 Encoding device, encoding method, and program
This technology relates to an encoding device, an encoding method, and a program capable of improving audio quality and more efficiently encoding audio. A first...
US-9,437,182 Active noise reduction method using perceptual masking
A method of active noise reduction is described which comprises receiving an audio signal (132) to be played, receiving a noise signal (105, 107, 116, 118,...
US-9,437,181 Off-axis audio suppression in an automobile cabin
The suppression of off-axis audio in an audio environment is provided. Off-axis audio may be considered audio that does not originate from a region of interest....
US-9,437,180 Adaptive noise reduction using level cues
A system utilizing two pairs of microphones for noise suppression. Primary and secondary microphones may be positioned closely spaced to each other to provide...
US-9,437,178 Updating music content or program to usable state in cooperation with external electronic audio apparatus
A storage section stores therein one or more sets of music content and/or function executing programs, at least a part of the sets of music content and/or...
US-9,437,070 Solar lighting with pay-as-you go technology
Disclosed are systems, devices and methods for providing solar lighting and power to a customer by using pay-as-you-go (PAYG) technology. The PAYG technology...
US-9,436,761 Data communications via limited length audio jack
Methods, systems, and apparatus for selectively communicating data and audio over a limited-size audio plug. A host device determines whether an audio accessory...
US-9,436,633 Multi-slot multi-point audio interface
An apparatus includes multiple media processing modules and a control unit. The media processing modules are configured to exchange digital media signals over a...
US-9,435,878 Positioning using audio recognition
Systems and methods for determining location based on audio fingerprinting are disclosed. An extraction component extracts a set of interest points from an...
US-9,435,873 Sound source localization using phase spectrum
An array of microphones placed on a mobile robot provides multiple channels of audio signals. A received set of audio signals is called an audio segment, which...
US-9,433,339 Catheter with imaging assembly and console with reference library and related methods therefor
An imaging system having an imaging assembly having an imaging device for generating imaging signals corresponding to images of anatomy of a patient disclosed....
US-9,432,793 Head-related transfer function convolution method and head-related transfer function convolution device
A head-related transfer function (HRTF) convolution method arranged, when an audio signal is reproduced acoustically by an electro-acoustic conversion unit...
US-9,432,792 System and methods for acoustic priming of recorded sounds
A priming signal processing technique modifies digital audio recordings to reduce the stress experienced by a listener's auditory system. A priming signal may...
US-9,432,791 Location aware self-configuring loudspeaker
A location aware self-configuring loudspeaker includes a plurality of ultrasonic receivers that each provide an associated received ultrasonic receiver signal....
US-9,432,790 Real-time sound propagation for dynamic sources
Described herein are techniques pertaining to real-time propagation of an arbitrary audio signal in a fixed virtual environment with dynamic audio sources and...
US-9,432,785 Error correction for ultrasonic audio systems
Systems and methods for removing or reducing distortion in an ultrasonic audio system can include receiving a first audio signal, wherein the first audio signal...
US-9,432,777 Hearing device with brainwave dependent audio processing
A hearing device is adapted to be arranged on or at least partly implanted in an individual's head and comprises: an input unit providing an input audio signal;...
US-9,432,772 Methods and apparatus for porting loudspeakers to an earpiece
A hand-held electronic device includes an earpiece, a first speaker having a first primary audio output ported to the earpiece, a second speaker having a second...
US-9,432,771 Systems and methods for protecting a speaker from overexcursion
In accordance with embodiments of the present disclosure, a system may include a controller configured to be coupled to an audio speaker. The controller may be...
US-9,432,770 Method and device for localizing sound sources placed within a sound environment comprising ambient noise
A method for localizing one or more sound sources of interest placed within a sound environment comprising ambient noise by estimating the directions of arrival...
US-9,432,769 Method and system for beam selection in microphone array beamformers
Embodiments of systems and methods are described for determining which of a plurality of beamformed audio signals to select for signal processing. In some...
US-9,432,768 Beam forming for a wearable computer
A wearable computer is configured to use beamforming techniques to isolate a user's speech from extraneous audio signals occurring within a physical...
US-9,432,766 Audio processing device comprising artifact reduction
An improved scheme for identifying and removing musical noise in an audio processing device can be achieved in an audio processing device that includes an...
US-9,432,758 Electronic coaster
An electronic coaster is configured to respond to pressure and sound. The electronic coaster contains a case that includes a flexible top. The flexible top is...
US-9,432,618 Television receiver with a TV phone function
A videophone system includes a processor which selectively sets a television (TV) broadcast program viewing function mode and videophone function mode in...
US-9,432,555 System and method for AV sync correction by remote sensing
Method and system for measuring audio video synchronization. This is done by having a remote sensing station to measure and process the audio and images from a...
US-9,432,219 Voice energy collision back-off
A device may perform audio signal collision detection configured to receive first audio information from a first device and receive second audio information...
US-9,432,069 Audio mixing console
An audio mixing console can process at least one audio signal. The audio mixing console includes a main housing with a plurality of outer surfaces. The audio...
US-9,431,987 Sound synthesis with fixed partition size convolution of audio signals
A method for convolving an input signal with an impulse response function, the impulse response function being partitioned into a plurality of time segments of...
US-9,431,986 Sound processing apparatus and sound processing method
A sound processing apparatus includes an information acquisition unit which acquires control information including at least one of mode information for...
US-9,431,984 Acoustic apparatus
An acoustic apparatus includes a signal processor configured to generate an analog audio signal based on a digital audio signal. The digital audio signal...
US-9,431,982 Loudness learning and balancing system
A loudness learning and balancing system for one or more audio channels. The system learns user volume preferences from manual interventions, providing...
US-9,431,979 Method and apparatus for emulating sound
A method of emulating a sound of an audio apparatus by using a sound emulation apparatus includes obtaining k past samples (where k is a natural number that is...
US-9,431,030 Method of detecting a predetermined frequency band in an audio data signal, detection device and computer...
A method is provided for detecting a predetermined frequency band in an audio data signal which has previously been coded according to a succession of data...
US-9,431,029 Method for detecting voice section from time-space by using audio and video information and apparatus thereof
The present invention relates to a method for detecting a voice section in time-space by using audio and video information. According to an embodiment of the...
US-9,431,026 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal,...
An audio encoder has a window function controller, a windower, a time warper with a final quality check functionality, a time/frequency converter, a TNS stage...
US-9,431,025 Subband block based harmonic transposition
The present document relates to audio source coding systems which make use of a harmonic transposition method for high frequency reconstruction (HFR), as well...
US-9,431,024 Method and apparatus for detecting noise of audio signals
A method and an apparatus for detecting noise of audio signals are provided. The method includes steps of converting an audio signal into a plurality of audio...
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