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Searching: audio signal





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Patent # Description
US-9,799,341 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-9,799,340 Efficient and scalable parametric stereo coding for low bitrate audio coding 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-9,799,339 Stereo audio signal encoder
An apparatus comprising a mapper configured to map an instance of a parameter according to a first mapping to generate a first mapped instance; a remapper...
US-9,799,337 Microphone apparatus for enhancing power conservation
A microphone apparatus is provided. Whether an electronic signal converted from an audio signal is in compliance with a preset sound characteristic and a preset...
US-9,799,333 System and method for processing speech to identify keywords or other information
A system and method are provided for performing speech processing. A system includes an audio detection system configured to receive a signal including speech...
US-9,799,330 Multi-sourced noise suppression
Systems and methods for multi-sourced noise suppression are provided. An example system may receive streams of audio data including a voice signal and noise,...
US-9,799,329 Removing recurring environmental sounds
This disclosure describes, in part, techniques and devices for identifying recurring environmental sounds in an environment such that these sounds may be...
US-9,799,025 Energy harvesting bidirectional audio interface
A payment card reader connected to an audio port of a mobile computing device may include a card interface, the card interface configured to read data from a...
US-9,794,721 System and method for capturing, encoding, distributing, and decoding immersive audio
A sound field coding system and method that provides flexible capture, distribution, and reproduction of immersive audio recordings encoded in a generic digital...
US-9,794,719 Crowd sourced audio data for venue equalization
Mobile devices may capture audio signals indicative of test audio received by an audio capture device of the mobile device; and send the captured audio and the...
US-9,794,717 Audio signal processing apparatus and audio signal processing method
An audio signal processing apparatus includes: an obtaining unit which obtains a stereo signal including an R signal and an L signal; a control unit which...
US-9,794,716 Adaptive diffuse signal generation in an upmixer
An audio processing system, such as an upmixer, may be capable of separating diffuse and non-diffuse portions of N input audio signals. The upmixer may be...
US-9,794,715 System and methods for processing stereo audio content
A system can include a hardware processor that can receive left and right audio signals and process the left and right audio signals to generate three or more...
US-9,794,707 Audio output balancing
Systems and methods are provided herein for balancing of outputs from playback devices playing audio content in synchrony. In one embodiment, the balancing of...
US-9,794,695 Detection of whistling in an audio system
A method for detecting whistling in an audio system includes determining an average frequency of an input signal of the audio system, sampling the input signal...
US-9,794,694 Parametric in-ear impedance matching device
An ultrasonic audio transducer system includes an ultrasonic speaker. The ultrasonic speaker may be an electrostatic emitter, a piezoelectric emitter (single...
US-9,794,692 Multi-channel speaker output orientation detection
A method is disclosed for determining a relative orientation of speakers that receive audio signals from a portable audio source device. In an embodiment, a...
US-9,794,691 Using bone transducers to imply positioning of audio data relative to a user
An audio system, such as an audio system included in a virtual reality system, includes multiple bone transducers contacting portions of a user's head. Each...
US-9,794,689 Addition of virtual bass in the time domain
Provided are, among other things, systems, methods and techniques for processing an audio signal to add virtual bass. In one representative embodiment, an...
US-9,794,688 Addition of virtual bass in the frequency domain
Provided are, among other things, systems, methods and techniques for processing an audio signal to add virtual bass. In one representative embodiment, an...
US-9,794,685 Video audio recording system, video audio recording device, and video audio recording method
A video audio recording system includes a video acquisition unit, an audio acquisition unit, a video recording parameter acquisition unit, and an audio emphasis...
US-9,794,672 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-9,794,669 Devices and methods for headphone speaker impedance detection
An electronic device includes an impedance detection circuit and a processor. The impedance detection circuit is configured for receiving a test signal,...
US-9,794,634 System, device and method for viewing and controlling audio video content in a home network
An audio/video device may determine that a UI is displayed in a first AV signal, and may capture a frame of the UI in order to provide UI information to a UI...
US-9,794,417 Packet voice system with far-end echo cancellation
A packet voice transceiver adapted to reside at a first end of a communication network and to send and receive voice packets to and from a second packet voice...
US-9,794,389 Hands-free bluetooth car system
A hands-free Bluetooth system is described. The Bluetooth system comprises a base unit and a controller unit. The controller includes a built-in speaker, a...
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...
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