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Searching: audio signal





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Patent # Description
US-1,023,1051 Integration of a smartphone and smart conference system
Embodiments are directed to a computer-implemented method and computer system for using a smartphone. A non-limiting example of this method includes receiving...
US-1,023,1050 Method for limiting amplifier input current to avoid low voltage conditions
A predictive brownout prevention system may be configured to prevent brownout of an audio output signal. Particularly, the brownout prevention system may be...
US-1,023,1047 Off-ear and on-ear headphone detection
A headphone detector including a headphone and a processor. The headphone has a microphone and a speaker, and the microphone is configured to generate an audio...
US-1,023,1007 Transmission device, transmitting method, reception device, and receiving method
Clock synchronization and presentation synchronization are appropriately achieved in the case where transmission is performed by carrying, on a broadcast...
US-1,023,0880 LED light has built-in camera-assembly for colorful digital-data under dark environment
A LED Light device for house or stores or business application having built-in camera-assembly is powered by AC or-and DC power source for a lamp-holder, LED...
US-1,023,0538 User interface for multi-device control
A control server, or similar central processor, manages the distribution of data (including audio and video), voice, and control signals among a plurality of...
US-1,023,0414 Method and apparatus to reduce communication device peak current
A method and apparatus to reduce communication device peak current for alert tones are disclosed. A portable device may include a processor coupled to a...
US-1,023,0412 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-1,023,0411 Method and apparatus for discriminating between voice signals
A method and apparatus for distinguishing voice signals that are played together over the same speaker employs spectral reshaping of one or more of the audio...
US-1,023,0352 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-1,022,9773 Acousto-optic audio signal cable
An acousto-optic audio signal cable includes an audio wire cluster, a light emitting diode marquee light wire or a light emitting diodes light-emitting light...
US-1,022,9712 Method for recording a plurality of audio files
A method for recording a plurality of audio files, which can be played individually and, at least in pairs, synchronously and which can be modified individually...
US-1,022,9699 Systems and methods of tracking item containers at a shopping facility
In some embodiments, provide apparatuses and methods to track item containers. Some of these embodiments include systems to track item containers, comprising:...
US-1,022,9698 Playback reference signal-assisted multi-microphone interference canceler
An acoustic interference cancellation system that combines acoustic echo cancellation and an adaptive beamformer to cancel acoustic interference from an audio...
US-1,022,9697 Apparatus and method for beamforming to obtain voice and noise signals
One method of operation includes beamforming a plurality of microphone outputs to obtain a plurality of virtual microphone audio channels. Each virtual...
US-1,022,9696 Audio encoder and bandwidth extension decoder
An audio encoder for providing an output signal using an input audio signal includes a patch generator, a comparator and an output interface. The patch...
US-1,022,9693 Encoder for encoding an audio signal, audio transmission system and method for determining correction values
An encoder for encoding an audio signal includes an analyzer for analyzing the audio signal and for determining analysis prediction coefficients from the audio...
US-1,022,9690 Signal processing apparatus and method, and program
A method, system, and computer program product for processing an encoded audio signal is described. In one exemplary embodiment, the system receives an encoded...
US-1,022,9688 Data compression apparatus, computer-readable storage medium having stored therein data compression program,...
A data compression/decompression apparatus, for example, acquires sampling data obtained by sampling an audio signal with a predetermined period, and converts...
US-1,022,9686 Methods and apparatus for speech segmentation using multiple metadata
Methods and apparatus to process microphone signals by a speech enhancement module to generate an audio stream signal including first and second metadata for...
US-1,022,9565 Method for producing haptic signal and electronic device supporting the same
An electronic device includes a memory, a communication interface capable of performing communication, and a processor electrically connected to the memory and...
US-1,022,8896 Audio network interfacing
Audio network interface devices that are configured to be used with different types of microphones, and analog or digital audio devices. There is a housing that...
US-1,022,6695 Independent game and chat volume control
Methods and systems are provided for independent audio volume control. For example, an audio component (e.g., implemented in an element of an audio setup) may...
US-1,022,5654 Speaker distortion reduction
A spectral tilt of an audio signal is used to determine whether a speaker will introduce perceptible distortion during playback of the audio signal. The...
US-1,022,5070 Time-alignment measurment for hybrid HD radio technology
A method for processing a digital audio broadcast signal in a radio receiver, includes: receiving a hybrid broadcast signal; demodulating the hybrid broadcast...
US-1,021,9751 Systems and methods for determining physiological characteristics of a patient using pulse oximetry
Methods, systems and related apparatus are provided to enable an electronic device to operate an external sensor comprising one or more emitters for emitting...
US-1,021,9552 Sound responsive garment
A sound responsive garment for synchronized output of sound, light and vibration includes a shell. A power module is coupled to the shell. A microprocessor is...
US-1,021,9354 Method and system for synchronizing lighting to music
A system for synchronizing lighting to music, comprising a projector having at least one light source for projecting light onto a surface, an I/O interface...
US-1,021,9097 Method and apparatuses for implementing a head tracking headset
Methods, apparatuses, and computer program products are provided in order to provide 3D audio playback using audio head-mounted devices. The apparatuses may be...
US-1,021,9096 Seat-optimized reproduction of entertainment for autonomous driving
A vehicle is provided having a passenger compartment with at least a front seat position in a front audio zone and at least a rear seat position in a rear audio...
US-1,021,9094 Acoustic detection of audio sources to facilitate reproduction of spatial audio spaces
Embodiments of the invention relate generally to electrical and electronic hardware, computer software, wired and wireless network communications, and wearable...
US-1,021,9093 Mono-spatial audio processing to provide spatial messaging
Embodiments of the invention relate generally to electrical and electronic hardware, computer software, wired and wireless network communications, and wearable...
US-1,021,9090 Method and detector of loudspeaker diaphragm excursion
The present invention relates in one aspect to a method of detecting diaphragm excursion of an electrodynamic loudspeaker. The method comprises steps of...
US-1,021,9081 Configuration of hearing prosthesis sound processor based on control signal characterization of audio
A method including receiving by a hearing prosthesis, from a device external to the hearing prosthesis, both audio content outputted by the device external to...
US-1,021,9080 Electrical-acoustic transformation device
Disclosed is an electrical-acoustic transformation device, including: a vibration system and a magnetic circuit system with a magnetic gap; wherein the...
US-1,021,9076 Audio signal processing device, audio signal processing method, and storage medium
An audio signal processing device includes a sound acquisition unit configured to acquire audio data generated by collecting a sound in a sound collection...
US-1,021,9073 Vehicle audio system
A two-wire communication system includes a first audio circuit, and a second audio circuit electrically connected to the first audio circuit via a two-wire...
US-1,021,9071 Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation
A method may include adaptively generating an anti-noise signal from filtering a reference microphone signal with an adaptive filter in conformity with an error...
US-1,021,9067 Auto-calibrating noise canceling headphone
A sound system is provided with a headphone that includes a transducer and at least one microphone. The sound system also includes an equalization filter and a...
US-1,021,9034 Methods and apparatus to detect spillover in an audience monitoring system
Methods and apparatus to detect spillover in an audience monitoring system are disclosed. An example apparatus includes an audio sample selector to select first...
US-1,021,9031 Wireless video/audio signal transmitter/receiver
This invention is new to the field in two ways: [1] it sends audio/video signals wirelessly between tablet computing devices and smartphones to projection...
US-1,021,8852 Methods and systems for providing teleconference participant quality feedback
A method at a computing device includes obtaining time-varying teleconferencing data of a teleconference session with two or more participants, where the...
US-1,021,8841 Microphone monitoring and analytics
Microphone monitoring and analytics are provided. An initiation of a new contact session is determined that includes a communication interaction between a...
US-1,021,8329 Audio processing apparatus and method for previewing parameter
Each input channel adjusts a level of an audio signal by individual first parameters and outputs the level-adjusted audio signals to individual output routes...
US-1,021,8328 Audio processing apparatus for generating audio signals for monitoring from audio signals for recording and...
An audio processing apparatus comprises a signal processing unit configured to process an input audio signal by applying a gain to the input audio signal to...
US-1,021,8327 Dynamic enhancement of audio (DAE) in headset systems
Various embodiments relate to signal processing and, more particularly, to processing of received speech signals to preserve and enhance speech intelligibility....
US-1,021,8320 Vacuum tube audio amplifier
The present invention provides a vacuum tube audio amplifier which includes an audio pre-amplifying portion and an audio output transforming portion. The audio...
US-1,021,8312 Dynamic volume management in audio amplifiers
Certain aspects of the present disclosure provide an amplifier for signal amplification. Certain aspects further describe methods and apparatus for applying...
US-1,021,7476 Companding system and method to reduce quantization noise using advanced spectral extension
Embodiments are directed to a companding method and system for reducing coding noise in an audio codec. A compression process reduces an original dynamic range...
US-1,021,7474 System for maintaining reversible dynamic range control information associated with parametric audio coders
On the basis of a bitstream (P), an n-channel audio signal (X) is reconstructed by deriving an m-channel core signal (Y) and multichannel coding parameters (a)...
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