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Searching: audio signal





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Patent # Description
US-1,007,0218 Class D amplifier chip with duty ratio limiting functions and the device thereof
The present invention discloses a class D amplifier chip with duty ratio limiting functions and the device thereof, a class D amplifier chip includes triangle...
US-1,007,0099 Digital information apparatus and method for receiving an inbound videophone call notice while displaying...
A videophone system includes a processor which selectively sets a television (TV) broadcast program viewing function mode and videophone function mode in...
US-1,007,0094 Screen related adaptation of higher order ambisonic (HOA) content
Systems and techniques for rendering audio data are generally disclosed. An example device for rendering a higher order ambition (HOA) audio signal includes a...
US-1,007,0058 Low-power-consumption audio/video recording and communication doorbell
An audio/video (A/V) recording and communication doorbell, including a camera, a speaker, a microphone, a power manager, a battery, an AC/DC rectifier, and a...
US-1,006,9976 Voice agent forwarding
Examples include controlling voice input detection in a voice agent network including a plurality of voice agents. An example voice agent includes an audio...
US-1,006,9965 Maintaining audio communication in a congested communication channel
The invention relates to a communication system and a method of maintaining audio communication in a congested communication channel currently bearing the...
US-1,006,9889 Network camera and network image surveillance system
A network camera and a network image surveillance system including the network camera are provided. The network camera may include: an image and audio encoding...
US-1,006,9643 Display inserts, overlays, and graphical user interfaces for multimedia systems
A disclosed digital media device operational at user premises to receive media signals from a media source for presentation via endpoint devices such as a...
US-1,006,9525 Flexible multi-channel wireless audio receiver system
A flexible multi-channel diversity wireless audio receiver system for routing, processing, and combining multiple radio frequency (RF) signals containing audio...
US-1,006,9471 System and method for digital signal processing
The present invention provides methods and systems for digital processing of an input audio signal. Specifically, the present invention includes a high pass...
US-1,006,9468 Audio signal amplification device, power supply device, and power supply control method
An audio signal amplification device includes: a clock generation circuit that generates a clock for use in amplifying an audio signal; and a power supply...
US-1,006,8588 Real-time emotion recognition from audio signals
Systems, methods, and computer-readable storage media are provided for recognizing emotion in audio signals in real-time. An audio signal is detected and a...
US-1,006,8586 Binaurally integrated cross-correlation auto-correlation mechanism
A sound processing system, method and program product for estimating parameters from binaural audio data. A system is provided having: a system for inputting...
US-1,006,8584 Audio decoding device, audio coding device, audio decoding method, audio coding method, audio decoding program,...
An objective of the present invention is to correct a temporal envelope shape of a decoded signal with a small information volume and to reduce perceptible...
US-1,006,8583 Systems and methods of interpreting speech data
Method and systems are provided for interpreting speech data. A method and system for recognizing speech involving a filter module to generate a set of...
US-1,006,8582 Digital audio processing apparatus, digital audio processing method, and digital audio processing program
A waveform correction processor corrects the waveform of a first digital audio signal (a CD signal, for example) having a first sampling frequency. A bit depth...
US-1,006,8561 Electronic signal processor
An electronic signal processor for processing signals includes a complex first filter, one or more gain stages and a second filter. The first filter is...
US-1,006,8558 Method and installation for processing a sequence of signals for polyphonic note recognition
This is a method and installation in which a time-domain digital audio signal is split into a plurality of narrow-band time-domain digital audio signals...
US-1,006,8363 Image point of interest analyser with animation generator
An apparatus comprising a point of interest analyser configured to define at least one region within an image as an interest region, determine a position...
US-1,006,8224 Near field authentication through communication of enclosed content sound waves
A method for near field authentication of sources using an audio transceiver computing device includes scanning a plurality of predetermined frequencies for a...
US-1,006,7907 Vehicle including noise management system having automotive audio bus (A2B) interface
A vehicle includes at least one sensor and a body having an exterior portion and an interior portion. The sensor is configured to detect noise existing in the...
US-1,006,7735 Ear wearable type wireless device and system supporting the same
An electronic device is provided and includes a housing including a portion that is detachably mountable on one of a user's ears, a wireless communication...
US-1,006,7177 Method and apparatus to evaluate audio equipment via filter banks for dynamic distortions and or differential...
A testing method or apparatus utilizes filter banks to measure time varying or dynamic harmonic distortion or intermodulation distortion from a device. With a...
US-1,006,4233 Point-to-point ad hoc voice communication
A wireless communication device establishes voice communication between a supported user and a selected remote device supporting another user via a ...
US-1,006,4021 Device and method for lower latency digital audio sample playback
A device and method for lower latency digital audio sample playback is provided. The device comprises: a hardware digital signal processor (DSP); higher and...
US-1,006,3989 Virtual sound systems and methods
Provided are methods and systems for updating a sound field in response to user movement. The methods and systems are less computationally expensive than...
US-1,006,3986 Audio processing device
In an audio processing device having a first output route and a second output route, to be able to reproduce the same audio signal as the first output rote at...
US-1,006,3985 Generation and playback of near-field audio content
Audio signals (201) are received. The audio signals include left and right surround channels (206). The audio signals are played back using far-field...
US-1,006,3976 Headphones for stereo tactile vibration, and related systems and methods
Headphones for stereo tactile vibration, and related systems and methods are disclosed. A headphone comprises a first speaker assembly including a first audio...
US-1,006,3975 Mobile terminal
A mobile terminal including a first body; a first audio output unit provided in the first body and configured to output sound; an audio conversion unit provided...
US-1,006,3973 Removable speaker system
A speaker assembly is provided with a housing, a first speaker and a second speaker both supported by the housing, and a controller. The controller is...
US-1,006,3971 System and method for directionally radiating sound
An audio system for a vehicle has at least one source of audio signals. A respective directional loudspeaker array is mounted at each seat position and coupled...
US-1,006,3970 Audio system with removable speaker
An audio system for use in an automotive vehicle is provided. The audio system is configured to detect the removal of the removable speaker and adjust the audio...
US-1,006,3968 Dynamic master assignment in distributed wireless audio system for thermal and power mitigation
A method for operating a distributed wireless audio system including several loudspeaker cabinets all of which can communicate with each other as part of a...
US-1,006,3959 Headset system with acoustic safety incident detection
A headset system with at least one or more headsets to provide output audio and a monitoring device is provided. The monitoring device is connected with the one...
US-1,006,3954 Hearing damage limiting headphones
A device includes an input for receiving an audio signal, a speaker to convert the audio signal into an audible sound, and a memory for storing remediation...
US-1,006,3907 Differential audio-video synchronization
Techniques of audio-video synchronization that can be performed on audio and video streams are described. In one scenario, a processor can receive audio-video...
US-1,006,3667 Plug-on networked audio adapter
One embodiment provides an apparatus comprising an input connector directly mateable with a media device to receive an analog signal. The apparatus further...
US-1,006,3333 Control device that mixes audio signals and recording medium storing a program that mixes audio signals
A device is provided which mixes and records two types of audio signals processed under standards different from each other; in particular, an audio signal of...
US-1,006,3249 Audio circuit for suppressing DC shock noise
A D/A converter converts digital audio data D.sub.IN into analog differential audio signals V.sub.P and V.sub.N. A differential to single-ended conversion...
US-1,006,3223 Audio switch circuit for reducing on-resistance variation
According to an implementation, an audio switch circuit includes an audio switch configured to selectively couple an input node to an output node to transfer an...
US-1,006,3208 Speaker device and method for reducing distortion degree of speaker
The present invention discloses a speaker device and electronic equipment. The speaker device comprises a speaker body, an audio signal input terminal connected...
US-1,006,3207 Object-based audio loudness management
A method and apparatus for processing object-based audio signals is provided. The apparatus receives a plurality of object-based audio signals. Each...
US-1,006,3204 Loudness level control for audio reception and decoding equipment
The application discusses a computer implemented method and apparatus for performing audio equalisation in an audio receiver device, such as an integrated...
US-1,006,3198 Terminal device, and signal sending method and apparatus
A terminal device includes: an access unit, connected between a headset or an audio speaker and a digital-to-analog converter, and configured for insertion of a...
US-1,006,2391 Audio processing device
To prevent that the noise occurs at timing switching between PCM data and DSD data by a simple configuration. An AV receiver 1 includes a mute circuit 5 that...
US-1,006,2390 Decoder for generating a frequency enhanced audio signal, method of decoding, encoder for generating an encoded...
A decoder for generating a frequency enhanced audio signal, includes: a feature extractor for extracting a feature from a core signal; a side information...
US-1,006,2389 Decoding device, encoding device, decoding method, and encoding method
A decoding device includes: a separating unit separating first encoded data, a spectrum including a low-band spectrum of audio signals having been encoded, and...
US-1,006,2388 Acoustic and surface vibration authentication
Systems and methods for authorizing a user of a portable communications device entail sampling a user utterance via both an air mic (audio mic) and a conduction...
US-1,006,2386 Signaling voice-controlled devices
Techniques for indicating to a voice-controlled device that a user is going to provide a voice command to the device. In response to receiving such an...
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