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Searching: audio signal





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Patent # Description
US-1,041,9867 Device and method for processing audio signal
The present invention relates to an apparatus and a method for processing an audio signal, and more particularly, to an apparatus and a method for efficiently...
US-1,041,9864 Validation of audio calibration using multi-dimensional motion check
Examples described herein involve validating motion of a microphone during calibration of a playback device. An example implementation involves a control device...
US-1,041,9852 Systems and methods for handling silence in audio streams
Systems and methods for handling silence in audio streams are disclosed. In one aspect, a transmitter detects a halt in an audio stream. After detection of the...
US-1,041,9843 Bone conduction transducer array for providing audio
Embodiments relate to providing audio by focusing vibrations from an array of a plurality of bone conduction transducers to a cochlea of a user's ear. When bone...
US-1,041,9727 Directional control of audio/video recording and communication devices in network communication with additional...
Direction control of audio/video (A/V) recording and communication devices in network communication with additional cameras is provided. In one embodiment, an...
US-1,041,9712 Flexible spatial audio capture apparatus
An apparatus comprising: at least one determiner configured to determine at least one characteristic associated with a flexible part of a further apparatus; a...
US-1,041,8960 Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or...
A system is provided to analyze cross-modulation distortion in audio devices, which may include testing with audio frequencies. One or more distortion signals...
US-1,041,8052 Voice activity detector for audio signals
According to one aspect, a method for detecting voice activity is disclosed, the method including receiving a frame of an input audio signal, the input audio...
US-1,041,8051 Indexing based on time-variant transforms of an audio signal's spectrogram
An audio identification system generates audio fingerprints and indexes associated with the audio fingerprints based on discrete and overlapping frames within a...
US-1,041,8045 System and method for non-destructively normalizing loudness of audio signals within portable devices
Many portable playback devices cannot decode and playback encoded audio content having wide bandwidth and wide dynamic range with consistent loudness and...
US-1,041,8044 Converting a single-bit audio stream to a single-bit audio stream with a constant edge rate
A single-bit audio stream can be converted to a modified single-bit audio stream with a constant edge rate while maintaining a modulation index of the original...
US-1,041,7925 Guided tour audio communication systems having optical reader programming
Devices and methods for providing commentary for multiple points of interests utilize audio communication devices having an optic code reader, a...
US-1,041,6955 Power reduction through clock management
Power reduction through clock management techniques are disclosed. In one aspect, the clock management is applied to a clock signal on a SOUNDWIRE.TM....
US-1,041,2533 System and method for stereo field enhancement in two-channel audio systems
The present invention provides methods and systems for digitally processing audio signals in two-channel audio systems and/or applications. In particular, the...
US-1,041,2531 Audio processing apparatus, method, and program
The present technology relates to an audio processing apparatus, a method, and a program that aim at enabling a sound to be reproduced more efficiently. A...
US-1,041,2528 Audio content modification for playback audio
A method including accessing, by a user device, a location corresponding to at least one microphone array in a content of a free-viewpoint audio environment....
US-1,041,2521 Simulating acoustic output at a location corresponding to source position data
Systems and methods of simulating acoustic output at a location corresponding to source position data are disclosed. A particular method includes receiving an...
US-1,041,2520 Apparatus and method for sound stage enhancement
A method for processing an audio signal is performed at a computing device. The method includes the following steps: receiving a digital stereo audio input...
US-1,041,2517 Calibration of playback device to target curve
Techniques described herein may involve dynamically adjusting the equalization of multiple speakers in a playback device. An example implementation involves a...
US-1,041,2512 Methods and apparatus for processing audio signals
Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a...
US-1,041,2488 Microphone array signal processing system
The present invention relates in one aspect to a microphone array signal processing system comprising a digital buffer coupled to a signal input and configured...
US-1,041,2487 Auto-provisioning of wireless speaker devices for audio/video recording and communication devices
Methods for a speaker device in accordance with various embodiments of the present disclosure are provided. In one embodiment, a method for a speaker device is...
US-1,041,2482 Loudspeaker apparatus
The disclosure provides a loudspeaker apparatus and a method of driving the acoustic transducers by predicting and compensating a physical phenomenon of...
US-1,041,2480 Wearable personal acoustic device having outloud and private operational modes
A method of operating an audio system that includes a wearable personal acoustic device having an acoustic driver and an auxiliary acoustic driver includes...
US-1,041,2337 Display device
A display device comprises a display component, an output component, a setting component, and a controller. The output component outputs a first signal having...
US-1,041,2226 Audio signal processing apparatus and method
The disclosure relates to an audio signal processing apparatus for processing a plurality of audio signals defining a plurality of audio signal spectra, the...
US-1,041,1669 Volume leveler controller and controlling method
Volume leveler controller and controlling method are disclosed. In one embodiment, A volume leveler controller includes an audio content classifier for...
US-1,041,1668 Methods and apparatus for adjusting a level of an audio signal
The invention relates to methods and apparatus for adjusting a level of an audio signal. An audio signal is divided into a plurality of frequency bands....
US-1,041,0680 Automatic generation of video and directional audio from spherical content
A spherical content capture system captures spherical video and audio content. In one embodiment, captured metadata or video/audio processing is used to...
US-1,041,0653 Adaptive audio filtering
In an audio processing system (300), a filtering section (350, 400): receives subband signals (410, 420, 430) corresponding to audio content of a reference...
US-1,041,0652 Estimation of mixing factors to generate high-band excitation signal
A method includes generating a high-band residual signal based on a high-band portion of an audio signal. The method also includes generating a harmonically...
US-1,041,0651 De-reverberation control method and device of sound producing equipment
A de-reverberation control method and device of sound producing equipment are disclosed. The method includes that: when a piece of equipment performs audio...
US-1,041,0647 Audio decoding device, audio encoding device, audio decoding method, audio encoding method, audio decoding...
The purpose of the present invention is to reduce distortion a frequency band component encoded with a small number of bits in a time domain and improve...
US-1,041,0646 Multi-object audio encoding and decoding apparatus supporting post down-mix signal
A multi-object audio encoding and decoding apparatus supporting a post downmix signal may be provided. The multi-object audio encoding apparatus may include: an...
US-1,041,0644 Reduced complexity transform for a low-frequency-effects channel
The computational resources that are needed to apply a transform-based filterbank to a limited-bandwidth audio signals are reduced by performing an integrated...
US-1,041,0643 Audio watermarking for people monitoring
Methods, apparatus, systems and articles of manufacture (e.g., physical storage media) to utilize audio watermarking for people monitoring are disclosed....
US-1,041,0642 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-1,041,0638 Method and device for transforming feature vector for user recognition
A method of converting a feature vector includes extracting a feature sequence from an audio signal including utterance of a user; extracting a feature vector...
US-1,041,0623 Method and system for generating advanced feature discrimination vectors for use in speech recognition
A method of renormalizing high-resolution oscillator peaks, extracted from windowed samples of an audio signal, is disclosed. Feature vectors are generated for...
US-1,041,0618 In-vehicle noise control system and control method thereof
An in-vehicle noise control system is provided. The system includes speakers that output navigation guidance sound and audio content reproduced at a head unit...
US-1,041,0515 Emergency vehicle alert system
An emergency vehicle alert system is an emergency vehicle transmitter system with multiple possible passenger vehicles, motorcycle, and pedestrian receivers...
US-1,041,0482 Programmable audio level indicator
Audio level indicators are known which comprise moving needles, or an array of lights, or an illuminated bar. However, the way in which they provide information...
US-1,041,0021 Transaction object reader with digital signal input/output and internal audio-based communication
A card reader includes a digital connector such as a Universal Serial Bus (USB) plug or an Apple.RTM. Lightning.RTM. plug. The digital connector includes a...
US-1,040,9547 Apparatus for recording audio information and method for controlling same
The present invention relates to an apparatus capable of recording audio information and a method for controlling the apparatus, the apparatus comprising: a...
US-1,040,8671 Integrated wearable noise dosimeter
Systems and methods are described that may provide audio information about an environment around a wearable device. Such audio information may be correlated...
US-1,040,6976 Multi-purpose automotive sound device
A vehicle includes a multi-purpose automotive sound device for alerting pedestrians. The vehicle includes front and rear wheels, side mirrors, a sound device,...
US-1,040,5128 Audio processing device for a ceiling reflection type speaker
To resolve a problem that a listener feels that sense of localization and sense of connecting with the other channels are lost in case that the listener listens...
US-1,040,5121 Wireless splitter-repeater hub
Apparatus and associated methods relate to a wireless receiver module, and a plurality of transmitter modules, the receiver module configured to convert a...
US-1,040,5113 Systems and methods for equalizing audio for playback on an electronic device
Embodiments are provided for equalizing audio data for output by a speaker of an electronic device based on a local position or orientation of the electronic...
US-1,040,5111 Active occlusion cancellation
A hearing device includes: a microphone for providing an audio signal; a signal processor for generating a processed audio signal; a first subtractor having a...
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