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Searching: audio signal





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Patent # Description
US-9,793,936 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-9,793,879 Rate convertor
Embodiments of the invention may be used to implement a rate converter that includes: 6 channels in forward (audio) path, each channel having a 24-bit signal...
US-9,793,872 System and method for digital signal processing
The present invention provides methods and systems for digitally processing audio signals. Some embodiments receive an audio signal and converting it to a...
US-9,793,870 Vehicle sound enhancement systems and methods for vehicle deceleration
An audio system of a vehicle includes a mode module that sets a mode signal to a first mode when a vehicle speed is greater than a predetermined speed and a...
US-9,793,868 Digital acoustic system
Provided is a digital acoustic system comprising: a .DELTA..SIGMA. modulator that modulates a digital input signal and outputs a digital signal; a post-filter...
US-9,793,712 Power management circuitry in peripheral accessories of audio devices
A power management circuitry for a peripheral electronic device includes a power regeneration circuitry, a power selector, a power switch and an audio signal...
US-9,793,658 Reuse of plug detection contacts to reduce crosstalk
An audio jack may include two contacts to electrically connect to a ground contact of an audio plug in order to detect that a metallic audio plug is inserted...
US-9,792,927 Apparatuses and methods for multi-channel signal compression during desired voice activity detection
Apparatuses and methods are described to identify desired audio. A first input of an apparatus is configured to receive a main signal. A second input of the...
US-9,792,923 High frequency regeneration of an audio signal with synthetic sinusoid addition
A method performed in an audio decoder for reconstructing an original audio signal having a lowband portion and a highband portion is disclosed. The method...
US-9,792,920 Noise filling concept
Noise filling of a spectrum of an audio signal is improved in quality with respect to the noise filled spectrum so that the reproduction of the noise filled...
US-9,792,919 Efficient and scalable parametric stereo coding for low bitrate applications
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These...
US-9,792,918 Methods and apparatuses for encoding and decoding object-based audio signals
Provided are an audio encoding method and apparatus and an audio decoding method and apparatus in which audio signals can be encoded or decoded so that sound...
US-9,792,917 Audio processing device and method and electro-acoustic converting device and method
The present invention relates to an audio processing device and method, and an electro-acoustic converting device and method. The audio processing device...
US-9,792,916 Multifunctional audio signal generation apparatus
A sample counter in each channel performs counting operation at a given rate. Independently for each channel, the rate and an initial value for the counter are...
US-9,792,915 Apparatus and method for processing an input audio signal using cascaded filterbanks
An apparatus for processing an input audio signal relies on a cascade of filterbanks, the cascade having a synthesis filterbank for synthesizing an audio...
US-9,792,914 Speaker verification using co-location information
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for identifying a user in a multi-user environment. One of the...
US-9,792,906 Method and apparatus for identifying acoustic background environments based on time and speed to enhance...
Disclosed are systems, methods, and computer readable media for identifying an acoustic environment of a caller. The method embodiment comprises analyzing...
US-9,792,714 Avatar-based transfer protocols, icon generation and doll animation
Systems and methods may provide for identifying one or more facial expressions of a subject in a video signal and generating avatar animation data based on the...
US-9,792,424 Chained authentication using musical transforms
A service receives a request from a user of a group of users to perform one or more operations requiring group authentication in order for the operations to be...
US-9,792,257 Audio signal processing method and encoder
An embodiment of the present invention discloses a data processing method, including: twiddling input data, so as to obtain twiddled data; pre-rotating the...
US-9,788,139 System and method for automatically pairing headset to gaming audio source based on proximity
A headset, which may be configured to process audio for a player participating in an online multiplayer game, may support auto-pairing with audio basestations....
US-9,788,136 Apparatus and method for low delay object metadata coding
An apparatus for generating one or more audio channels is provided. The apparatus comprises a metadata decoder for generating one or more reconstructed metadata...
US-9,788,135 Efficient personalization of head-related transfer functions for improved virtual spatial audio
A method generating a virtual audio signal for a listener. The method includes estimating spherical harmonic coefficients based on an individual character of...
US-9,788,134 Method for processing of sound signals
A method for processing audio signals for creating a three dimensional sound environment includes: receiving at least one input signal from at least one sound...
US-9,788,132 Narrow directional microphone
A narrow directional microphone includes a unit case having a front end portion to which a microphone unit is mounted, and a side surface functioning as a grip,...
US-9,788,120 Audio playback device and audio playback method
An audio playback device which plays back an audio object including an audio signal and playback position information indicating a position in a ...
US-9,788,119 Spatial audio apparatus
An apparatus comprising: an input configured to receive at least two audio signals; a frequency domain transformer configured to transform the at least two...
US-9,788,114 Acoustic device for streaming audio data
The technology described in this document can be embodied in a first acoustic device that includes an input port configured to receive an input signal...
US-9,788,112 Active noise equalization
An active noise equalization (ANE) system may be run on the existing audio/infotainment system as a software library. The ANE system may share components (e.g.,...
US-9,788,110 Array processor
The present invention relates to a desktop speakerphone array processor for microphones which produces high quality sound. The microphone array has a front...
US-9,788,109 Microphone placement for sound source direction estimation
Architectures of numbers of microphones and their positioning in a device for sound source direction estimation and source separation are presented. The...
US-9,788,105 Wearable headset with self-contained vocal feedback and vocal command
A headset includes a wearable body, first and second earphones extending from the wearable body, controls for controlling an external communication/multimedia...
US-9,788,096 Transmission method, mobile terminal, multi-channel headset, and audio play system
A transmission method, applied to a mobile terminal provided with a headset interface, is disclosed, where the method includes determining a type of a headset...
US-9,788,035 Systems and methods for communicating events to users
Systems and methods for distributing an audio/visual feed of events include mixing audio signals, from microphones monitoring the event, with sound board feed...
US-9,787,943 Natural user interface having video conference controls
A system and method providing gesture controlled video conferencing includes a local capture device detecting movements of a user in a local environment and an...
US-9,787,887 Camera peripheral device for supplemental audio capture and remote control of camera
A peripheral device (e.g., a small wearable device) may operate in conjunction with a camera to enable in-the-moment capture and control. The peripheral device...
US-9,787,846 Spatial audio signal processing for objects with associated audio content
A user device for generating a scene, the user device comprising: an object determiner configured to determine an object for the scene, the object being...
US-9,787,839 Accurate dispositioning of a telephone call by reconciling cause codes with in-band audio information
A telephone call to a remote party may encounter a number of abnormal conditions, which prevents the call from being offered to the remote party's interface....
US-9,787,825 Cyclically variable signal delays for acoustic echo cancellation
A multi-channel audio communication system is configured to receive highly correlated input audio signals, generated as an example by multiple microphones at a...
US-9,787,742 Optimizing synchronization of audio and network tasks in voice over packet switched networks
A user equipment device (UE) comprises physical layer circuitry configured to transmit and receive radio frequency electrical signals with one or more nodes of...
US-9,787,740 Digital device, network and method for streaming audio or video data
A digital device for streaming audio and/or video data has a signal processor configured to process blocks of samples of the audio and/or video data. The signal...
US-9,787,388 Fully flexible multi-tuner front end architecture for a receiver
In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first...
US-9,787,350 Electronic device and system for the point-multipoint transmission of a digital signal over a radio...
An electronic device for point-to-multipoint transmission of a digital signal over a radio communication network includes a transmitter-receiver configured to...
US-9,787,269 Audio control using auditory event detection
In some embodiments, a method for processing an audio signal in an audio processing apparatus is disclosed. The method includes receiving an audio signal and a...
US-9,787,268 Audio control using auditory event detection
In some embodiments, a method for processing an audio signal in an audio processing apparatus is disclosed. The method includes receiving an audio signal and a...
US-9,787,267 Integrated audio amplification circuit with multi-functional external terminals
The present invention relates in one aspect to an audio amplification circuit comprising an input terminal for receipt of an input signal from a transducer. A...
US-9,787,266 Method and an apparatus for processing an audio signal
A method of processing an audio signal is provided. A decoding apparatus receives the audio signal, which includes a plurality of objects. The decoding...
US-9,787,257 Audio amplifier circuit having inputs for three audio channels
An audio amplifier circuit that is to receive three audio channel signals as inputs. A first amplifier has a first pair of outputs one of which produces a first...
US-9,786,295 Voice processing apparatus and voice processing method
A voice processing apparatus includes: a feature amount acquisition unit configured to acquire a spectrum of an audio signal for each frame; an utterance state...
US-9,786,292 Audio encoding apparatus, audio decoding apparatus, audio encoding method, and audio decoding method
An audio encoding apparatus capable of reducing the bit rate even if a codebook having a larger codebook number is selected in a split multi-rate lattice vector...
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