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Searching: audio signal





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Patent # Description
US-9,503,801 Panel device
An audio transmission unit 8 is placed on a surface side of a panel unit 4 where a display 7 is provided, and transmits an audio signal in a direction almost...
US-9,503,783 Methods and apparatus to detect spillover in an audience monitoring system
Methods and apparatus to detect spillover in an audience monitoring system are disclosed. An example method includes sampling a first audio signal from a first...
US-9,503,781 Commercial detection based on audio fingerprinting
A commercial detection system generates a probe audio fingerprint of an audio signal associated with a media stream on a broadcast channel and determines...
US-9,503,200 Communication system and transfer method thereof
A communication system is provided. A receiver receives a plurality of audio signals, wherein a frequency of each of the audio signals is selected from a...
US-9,503,070 Signal conversion system and method
A signal conversion system and method for converting an input signal to a pulse width modulated signal is disclosed. The signal conversion system includes a...
US-9,503,033 Audio amplifier mode transition
An audio amplifier is to transition between a power-down mode and an active mode, based on assertion and deassertion of a power down signal. A power down...
US-9,503,027 Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop...
An integrated circuit may have two signal paths: an open-loop modulator (which may comprise a digital-input Class-D amplifier) and a closed-loop modulator...
US-9,502,049 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-9,502,043 Method and an apparatus for processing an audio signal
A method for processing an audio signal at an audio decoder, the method including receiving a downmix signal, a residual signal, and object information;...
US-9,502,042 Apparatus for processing an audio signal and method thereof
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving a downmix signal and side information;...
US-9,502,041 Apparatus for displaying image and driving method thereof, apparatus for outputting audio and driving method...
An image display apparatus, a method for driving an image display apparatus, a sound output apparatus and a method for driving a sound output apparatus, are...
US-9,502,040 Encoding and decoding of slot positions of events in an audio signal frame
An apparatus for decoding, an apparatus for encoding, a method for decoding and a method for encoding positions of slots having events in an audio signal frame...
US-9,502,028 Acoustic activity detection apparatus and method
Streaming audio is received. The streaming audio includes a frame having plurality of samples. An energy estimate is obtained for the plurality of samples. The...
US-9,502,024 Methods, apparatus and computer programs for automatic speech recognition
An automatic speech recognition (ASR) system includes a speech-responsive application and a recognition engine. The ASR system generates user prompts to elicit...
US-9,502,020 Robust adaptive noise canceling (ANC) in a personal audio device
An adaptive noise canceling (ANC) circuit adaptively generates an anti-noise signal that is injected into the speaker or other transducer output to cause...
US-9,500,425 Weapon direction training system and related methods
A weapon direction training system and methods. A transmitter is configured to removably couple to a weapon of a trainee and continuously transmit a signal. A...
US-9,498,626 Automatic selection of reduction or enhancement of transient sounds
A system and method of generating electrode stimulation signals for electrode contacts in an electrode array associated with a hearing implant is presented. An...
US-9,497,579 Adapter device to allow the monitoring of media exposure on consumer devices
Adapter devices are provided herein which are connectable to an audio connector of a media device. The audio connector of the media device is configured to...
US-9,497,560 Audio reproducing apparatus and method
An audio reproducing apparatus includes: an obtainment unit configured to obtain a stereo audio signal including an L channel signal and an R channel signal;...
US-9,497,544 Systems and methods for surround sound echo reduction
A method for echo reduction by an electronic device is described. The method includes nulling at least one speaker. The method also includes mixing a set of...
US-9,497,540 System and method for reducing rub and buzz distortion
An audio driver with reduced rub and buzz distortion that includes a digital processing module. A digital to audio converter (DAC) operable to receive a digital...
US-9,497,531 Apparatus and method for outputting audio signal in portable terminal
An apparatus and a method for outputting an audio signal in a portable terminal are provided. The portable terminal for outputting an audio signal includes an...
US-9,497,530 Personalization of auditory stimulus
Technology presented herein increases a user's enjoyment of sound by personalizing an audio signal so that the user perceives the audio signal as if the user...
US-9,497,506 Input lag estimation for Wi-Fi display sinks
A source device comprising a processor and a Wi-Fi module for communicating with a sink device to stream audio/video data. The processor is configured to one of...
US-9,497,423 USB-enabled audio-video switch
A telemedicine system (8) includes an audio-video switch (10) that receives at least two different signals and conveys at least one of the at least two...
US-9,497,408 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-9,497,301 Alarm circuit and electronic device utilizing the same
An alarm circuit applied in an electronic device includes an audio interface, an audio processor, a speaker, and a control unit. A first terminal of the control...
US-9,496,843 Smart volume guard
Aspects of the present disclose involve a method, a device, and a system comprising a processor and a machine-readable storage medium storing a set of...
US-9,496,839 Audio processing apparatus, reproduction apparatus, audio processing method and program
The disclosed apparatus extracts particular instrument sounds included in music in real time during music reproduction. The audio processing section 12 has an...
US-9,496,619 Leaky-wave antenna for hearing device
A leaky-wave antenna for a hearing device, the leaky-wave antenna including a coaxial radiator configured to receive audio signals from an external device and...
US-9,495,975 Systems and methods for source signal separation
A method includes receiving an input signal comprising an original domain signal and creating a first window data set and a second window data set from the...
US-9,495,972 Multi-mode audio codec and CELP coding adapted therefore
In an embodiment, bitstream elements of sub-frames are encoded differentially to a global gain value so that a change of the global gain value results in an...
US-9,495,971 Transient detector and method for supporting encoding of an audio signal
A transient detector (100) analyzes (110) a given frame n of the input audio signal to determine, based on audio signal characteristics of the given frame n, a...
US-9,495,970 Audio coding with gain profile extraction and transmission for speech enhancement at the decoder
The invention provides a layered audio coding format with a monophonic layer and at least one sound field layer. A plurality of audio signals is decomposed, in...
US-9,495,953 Dynamic engine harmonic enhancement sound stage
A method to produce a dynamic sound stage for engine harmonic enhancement (EHE). Dynamic refers to the ability to position the sound stage at different...
US-9,495,951 Real time audio echo and background noise reduction for a mobile device
An audio enhancement system includes a display unit configured to exhibit a waveform corresponding to a microphone signal that is subject to an audio...
US-9,495,950 Audio signal processing device, imaging device, audio signal processing method, program, and recording medium
There is provided an audio signal processing device including a feature amount extraction unit configured to extract, from an audio signal obtained by a sound...
US-9,495,567 Use of a tag and reader antenna for a simulated theremin effect
The present disclosure provides methods and apparatuses for providing an audible feedback based on a proximity or a link quality between an external reader and...
US-9,495,017 Computing systems for peripheral control
Embodiments of computing systems, and related methods, are disclosed herein. In some embodiments, a computing system may include a peripheral device (e.g., an...
US-9,494,683 Audio-based gesture detection
An audio device may be configured to detect proximity of a user hand based on analysis of audio signals captured by the audio device. For example, the audio...
US-9,492,762 Sensor configuration for toy
A variety of methods and arrangements for facilitating communication between an electronic device and a toy are described. In one aspect, the toy communicates...
US-9,492,756 System and method for analyzing a digitalized musical performance
A system and method for improving musical education through use of a game, is provided. The method includes the steps of: receiving electrical signals...
US-9,492,096 ECG sensing apparatuses, systems and methods
Aspects of the present disclosure are directed to processing ECG signals from a subject. As may be implemented in accordance with one or more embodiments,...
US-RE46,205 Audio system
In an audio system, a control device includes a setting part that sets automatic compensation of each of a plurality of input ports of the input device into...
US-9,491,561 Acoustic echo cancellation with internal upmixing
Methods, systems, and apparatuses are described for performing acoustic echo cancellation with internal upmixing that allow for a more effective handling of...
US-9,491,557 Connector mating assurance system and method
A connector mating assurance system includes a microphone configured to be located in a vicinity of a mating zone for electrical connectors. The microphone is...
US-9,491,553 Method of audio signal processing and hearing aid system for implementing the same
In a method of audio signal processing, a hearing aid system is configured to: collect sound information of a surrounding environment of the hearing aid system;...
US-9,491,552 Electronic device having hearing aid compatibility
An electronic device having hearing aid capability is disclosed. The electronic device includes a linear resonance actuator (LRA). The LRA is configured to...
US-9,491,547 Audio playing system and audio playing method
An audio playing method is applied to at least one wireless speaker, at least one mobile terminal, and a cloud server. The method includes sending a wireless...
US-9,491,544 Frequency domain noise cancellation with a desired null based acoustic devices, systems, and methods
Frequency domain signal extraction methods and apparatuses include receiving a reference signal, which contains mostly undesired audio and is substantially void...
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