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Searching: audio signal





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Patent # Description
US-9,485,578 Audio format
Mechanisms for obtaining an audio signal and information relating to the recording conditions of the audio signal are provided, the method comprising: obtaining...
US-9,485,577 Audio output device
Provided is an audio output device capable of preventing noises and improving the S/N ratio even if no audio signal is inputted in the middle of the input of...
US-9,485,576 Control of a loudspeaker output
A loudspeaker drive circuit comprises an input for receiving an audio signal and a signal processor for processing the audio signal before application to the...
US-9,485,561 Thermal powered wearable device
Embodiments disclosed herein generally relate to electronics powered by thermal energy. More particularly, embodiments of the present disclosure relate to...
US-9,485,043 Quadrature modulation apparatus for AM stereo transmitters
A modulation system for AM stereo transmission wherein in a combination of amplitude modulation and phase modulation allows a pair of unique audio channel...
US-9,484,964 Interactive entertainment system
Disclosed here is an interactive audio system and a method of operating the same. In one embodiment, the interactive audio system comprises a processor and a...
US-9,484,876 Control of a switched mode power supply and linear power supply for an audio device
An audio device and an output method thereof are provided. The audio device includes: an envelope detector configured to detect an envelope of an input audio...
US-9,484,044 Voice enhancement and/or speech features extraction on noisy audio signals using successively refined transforms
Voice enhancement and/or speech features extraction may be performed on noisy audio signals using successively refined transforms. Downsampled versions of an...
US-9,484,039 Method and an apparatus for processing an audio signal
An apparatus for processing an audio signal and method thereof, the method including receiving a downmix signal including at least one normal object signal, and...
US-9,484,038 Apparatus and method for merging geometry-based spatial audio coding streams
An apparatus for generating a merged audio data stream is provided. The apparatus includes a demultiplexer for obtaining a plurality of single-layer audio data...
US-9,484,011 Echo modulation methods and system
Methods and systems for echo modulation are described. In one embodiment, intensities of a plurality of values in multiple windows of an audio signal may be...
US-9,484,008 Method and apparatus for down-mixing of a multi-channel audio signal
A method for down-mixing of a m-channel audio signal (L, R, C, Ls, Rs, Rss, Lss) into a n-channel audio signal (Ro, Lo, Rso, Lso), where m is an integer for...
US-9,483,573 Context awareness in auditory browsing
In a method for generating an audio summary of a portion of an electronic document, a user input selecting a focus position within a rendered electronic...
US-9,483,229 Audio apparatus for portable devices
An audio apparatus for a portable device is provided. The portable device includes computing hardware coupled to associated data memory, which stores one or...
US-9,483,115 Triggering control of audio for walk-around characters
A control system for selectively operating a sound system provided in a walk-around character costume. e.g., to play audio files in an order defined by a dialog...
US-9,480,927 Portable terminal with music performance function and method for playing musical instruments using portable...
Disclosed are a portable terminal with a music performance function and a method for playing a variety of musical instruments. The method includes: selecting a...
US-9,480,400 Electronic stethoscope system for telemedicine applications
An electronic stethoscope includes a housing configured for hand-held manipulation, a transducer supported by the housing and configured to sense auscultation...
US-9,479,887 Method and apparatus for pruning audio based on multi-sensor analysis
A method, apparatus, and computer program product are provided in order to compose audio signals for content in a multi-user environment that provide a high...
US-9,479,886 Scalable downmix design with feedback for object-based surround codec
In general, techniques are described for grouping audio objects into clusters. In some examples, a device for audio signal processing comprises a cluster...
US-9,479,883 Audio signal processing apparatus, audio signal processing method, and program
An audio signal processing apparatus includes a tapping detection unit to which an audio signal picked up by a microphone is input and that detects a tapping...
US-9,479,872 Audio reproducing method and apparatus
An information processing apparatus that reproduces left and right audio signals based on data acquired from a sound source; acquires left and right surrounding...
US-9,479,869 Systems and methods for detection of load impedance of a transducer device coupled to an audio device
In accordance with systems and methods of the present disclosure, an audio device may include an electrical terminal, an audio circuit, and a transducer load...
US-9,479,868 Systems and methods for detection of load impedance of a transducer device coupled to an audio device
In accordance with systems and methods of the present disclosure, an audio device may include an electrical terminal, an audio circuit, and a transducer load...
US-9,479,866 Microphone array with daisy-chain summation
Microphone stages in a microphone array may be coupled together in a daisy chain. Each stage may include a microphone, an analog to digital converter, a...
US-9,479,863 Combo-jack detecting circuit
A combo-jack detecting circuit for used in an audio CODEC is provided. The combo-jack detecting circuit comprises a low pass filter, a detecting unit and a...
US-9,479,860 Systems and methods for enhancing performance of audio transducer based on detection of transducer status
Based on transducer status input signals indicative of whether headphones housing respective transducers are engaged with ears of a listener, a processing...
US-9,479,820 Synchronisation of audio and video playback
A method of playing audio content to a viewer in synchronisation with a video content. The method comprises receiving and digitising an ultrasonic signal...
US-9,479,733 Flow-control based switched group video chat and real-time interactive broadcast
Real-time interactive broadcast sessions for client devices include: for each client device in the interactive broadcast session, configuring downstream video...
US-9,479,711 Embedded audio routing switcher
An apparatus includes a separator for selectively separating audio from input signals including video with audio, a switcher for selectively transferring the...
US-9,479,629 Radio wave receiving apparatus for receiving two different radio wave intensities
A radio wave receiver that receives two different sets of radio waves and displays intensity of the received radio waves. First and second radio wave processing...
US-9,479,627 Desktop speakerphone
The present invention relates to a desktop speakerphone constructed to make the desktop speakerphone less space-consuming while having improved audio qualities....
US-9,479,573 Systems, methods and computer-readable media for configuring receiver latency
The present disclosure is related to transmitting and receiving media channels, such as audio and video channels. These channels may be transmitted as packets...
US-9,479,373 Packet processor verification methods and systems
Methods and systems for transmitting and receiving data using audio devices but without being detectable by a human ear are disclosed. For example, a device for...
US-9,479,275 Multiformat digital audio interface
Embodiments of various methods, devices and systems are described herein that use a unified bus communication protocol. One such device comprises an interface...
US-9,479,129 Audio amplifier, audio output circuit, integrated circuit for audio, electronic device, and method for...
An audio amplifier is disclosed. The audio amplifier for driving an electroacoustic transducer includes an H bridge circuit including a 1D-class amplifier...
US-9,478,997 Electronic device charging via an audio jack
An electronic device may comprise audio processing circuitry and a first connector having a first contact and a second contact. In a first mode of operation,...
US-9,478,246 Providing audio video content during playback pause
An audio video display device (AVDD) can present recorded content that can be paused. During pausing, ancillary AV content is shown until such time as a play or...
US-9,478,234 Microphone apparatus and method with catch-up buffer
At a microphone, voice activity is detected in a data stream while simultaneously buffering audio data from the data stream to create buffered data. A signal is...
US-9,478,229 Methods and apparatus for recording impulsive sounds
Loud sounds with fast rise times, like gunfire and explosions, can cause noise-induced hearing loss (NIHL). Unfortunately, current models do not adequately...
US-9,478,228 Encoding and decoding of audio signals
An encoder (1201) for encoding a plurality of audio signals comprises a selector (1303) which selects a subset of time-frequency tiles to be downmixed and a...
US-9,478,226 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-9,478,224 Audio processing system
An audio processing system (100) comprises a front-end component (102, 103), which receives quantized spectral components and performs an inverse quantization,...
US-9,478,221 Enhanced audio frame loss concealment
A method is provided for concealing a lost audio frame of a received audio signal by performing a sinusoidal analysis of a part of a previously received or...
US-9,478,215 Vehicle-based message control using cellular IP
Architecture for playing back personal text-based messages such as email and voicemail over a vehicle-based media system. The user can use a cell phone that...
US-9,478,212 Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
In accordance with embodiments of the present disclosure, an adjustable equalization filter may have a response that generates an equalized source audio signal...
US-9,478,210 Systems and methods for hybrid adaptive noise cancellation
In accordance with systems and methods of this disclosure, a method may include generating a feedforward anti-noise signal component from a result of measuring...
US-9,477,658 Systems and method for speech to speech translation using cores of a natural liquid architecture system
A method and system for speech to speech translation using a plurality of computational cores of a natural liquid architecture are provided. The method includes...
US-9,474,901 System and method for neural hearing stimulation
An auditory prosthesis device for neural stimulation of a patient's hearing having an audio signal input device; a sound processor for generating a neural...
US-9,474,892 Method and system for decreasing transthoracic impedance for cardioversion and defibrillation
A method and system for improving the effectiveness of cardioversion and defibrillation through the ability to reduce transthoracic impedance. A method and...
US-9,474,489 Portable smart stethoscope formed of smart mobile device and casing assembly
A smart portable stethoscope is formed of a smart mobile device and a casing assembly for the mobile device. The casing assembly comprises a casing member, a...
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