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Searching: audio signal





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Patent # Description
US-1,039,6739 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-1,039,6738 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-1,039,6730 Method of operating digital-to-analog processing chains, corresponding device, apparatus and computer program...
A signal processing chain, such as an audio chain, produces an analog output signal from a digital input signal. The signal processing chain is operated by...
US-1,039,6726 Preamplifier for musical instruments
A preamplifier for musical instruments includes: an operational amplifier 40 to amplify an inputted analog audio signal; a dual-unit variable resistor 30 to...
US-1,039,5667 Correlation-based near-field detector
In accordance with embodiments of the present disclosure, a method for detecting near-field sources in an audio device may include computing a normalized cross...
US-1,039,5664 Adaptive Quantization
An importance metric, based at least in part on an energy metric, may be determined for each of a plurality of received audio objects. Some methods may involve:...
US-1,039,5662 Inter-channel encoding and decoding of multiple high-band audio signals
A device includes an encoder and a transmitter. The encoder is configured to generate a first high-band portion of a mid signal based on a left signal and a...
US-1,039,5661 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
A schematic block diagram of an audio encoder for encoding a multichannel audio signal is shown. The audio encoder includes a linear prediction domain encoder,...
US-1,039,5660 Apparatus and method for multichannel direct-ambient decompostion for audio signal processing
An apparatus for generating one or more audio output channel signals depending on two or more audio input channel signals is provided. Each of the two or more...
US-1,039,5635 Reducing radio frequency susceptibility in headsets
A headset includes a microphone that detects an acoustic signal, and converts the acoustic signal into a microphone signal, an audio processor that receives the...
US-1,039,5634 Speech reproduction device configured for masking reproduced speech in a masked speech zone
A speech reproduction device for reproducing speech based on a received speech signal so that the reproduced speech is intelligible in a clear speech zone and...
US-1,039,5630 Touchless knob and method of use
A signal processing system, machine and method of use to dynamically change the parameters of an audio-visual signal processing circuit without making physical...
US-1,039,5491 Apparatus, systems, and methods for signal localization and differentiation
Apparatus, systems, and methods for providing transmission and localized reception of audio, visual, and tactile signaling are taught for a myriad of useful...
US-1,039,5488 Systems and methods for generating haptic effects associated with an envelope in audio signals
Systems and methods for generating haptic effects associated with envelopes in audio signals are disclosed. One disclosed system for outputting haptic effects...
US-1,039,4886 Electronic device, computer-implemented method and computer program
An electronic device comprising a processor which is configured to perform speech recognition on an audio signal, linguistically analyze the output of the...
US-1,039,4521 Speaker device with equalization tool
A speaker device with equalization (EQ) control is provided, wherein the speaker device may be a pair of earbuds or earphones or a headset, comprising: an audio...
US-1,039,4520 Loudness control for user interactivity in audio coding systems
An audio processor for processing an audio signal includes: an audio signal modifier for modifying the audio signal in response to a user input; a loudness...
US-1,039,4518 Audio synchronization method and associated electronic device
An audio synchronization method includes: receiving a first audio signal from a first recording device; receiving a second audio signal from a second recording...
US-1,039,4337 Parameter setting apparatus, audio signal processing apparatus, parameter setting method and storage medium
A parameter setting apparatus includes: a real control adapted to detect value modification operation for modifying a value of a parameter; and a display device...
US-1,039,4239 Acoustic monitoring system
Systems and methods for monitoring a monitored space include producing a first audio signal from received acoustic energy. The first audio signal is then...
US-1,039,0171 Method for generating customized spatial audio with head tracking
A headphone for spatial audio rendering includes a first database having an impulse response pair corresponding to a reference speaker location. A head sensor...
US-1,039,0170 Methods 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-1,039,0168 Audio enhancement device and method
An audio enhancement device including an audio-calculating module, a ratio-calculating module, a minimum-tracking module, a weighting-calculating module and a...
US-1,039,0164 Method and apparatus for compressing and decompressing a higher order ambisonics signal representation
A method and apparatus for decompressing a Higher Order Ambisonics (HOA) signal representation is disclosed. The apparatus includes an input interface that...
US-1,039,0152 Hearing aid having a classifier
A hearing system includes a hearing aid (10) and a personal communication device (20), and both have a short range data transceiver (15, 29) for short range...
US-1,039,0151 Hearing device for receiving location information from wireless network
A hearing device includes: a microphone for converting an audio input signal into a microphone output signal; a processing unit configured to provide a...
US-1,039,0147 Frequency mapping for hearing devices
A hearing device includes: a microphone for reception of sound and conversion of the received sound into a corresponding first audio signal; a processing unit...
US-1,039,0140 Output device outputting audio signal and control method thereof
Disclosed is an output device that outputs an audio signal. An output device which outputs an audio signal includes a battery, a sensing module including a...
US-1,039,0139 Apparatus and methods for audio-tactile spatialization of sound and perception of bass
The apparatus and methods of the present invention provide quiet, compact, robust hardware that can accurately produce a wide range of tactile frequencies at a...
US-1,039,0138 Audio system, audio apparatus, and control method for audio apparatus
An audio system includes a first audio apparatus that receives a first audio signal with a first number of channels and a second audio apparatus connected to...
US-1,039,0137 Dominant frequency processing of audio signals
An example non-transitory computer-readable medium includes instructions. When executed by a processor, the instructions cause the processor to remove...
US-1,039,0131 Recording musical instruments using a microphone array in a device
A microphone array included in a portable electronic device is used to generate various virtual studio microphones by combining one or more microphone signals...
US-1,039,0124 Transducer device
The present disclosure provides a transducer device including a driver and an audio system. The driver includes a diaphragm, a magnet, and a voice coil. The...
US-1,039,0067 Predicting video start times for maximizing user engagement
Implementations disclose predicting video start times for maximizing user engagement. A method includes receiving a first content item comprising content item...
US-1,038,9978 Communication apparatus for transmitting and receiving digital information to and from another communication...
A videophone system includes a processor which selectively sets a television (TV) broadcast program viewing function mode and videophone function mode in...
US-1,038,9324 Audio reproduction device
An audio reproduction device includes: a signal amplifier that amplifies an input signal; a characteristic measuring device that obtains a characteristic of the...
US-1,038,9323 Context-aware loudness control
Context-aware loudness control of audio content may include choosing from a plurality of loudness level models based on an audio reproduction device, measuring...
US-1,038,9322 Device and method for volume control
A device for volume control for at least two audio sources includes a loudness analyzer and a volume regulator. The loudness analyzer is configured to analyze...
US-1,038,9321 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-1,038,9320 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-1,038,9319 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-1,038,8306 Audio digitization
A method of digitizing an audio track carried on an elongate recording medium, such as a movie film, includes transporting the recording medium containing the...
US-1,038,8301 Method for processing audio signal and electronic device for supporting the same
An electronic device for processing an audio signal is provided. The electronic device includes a communication circuit, a microphone, a connector and a...
US-1,038,8300 Audio systems and method for perturbing signal compensation
Audio systems and methods for providing intelligible audio content within a vehicle cabin. In one example, the audio system includes a first speaker to provide...
US-1,038,8296 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...
US-1,038,8294 Speech-based and group-based content synchronization
Techniques for enhancing synchronization capabilities of electronic devices based on audio and on group activities are described herein. The electronic device...
US-1,038,8290 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-1,038,8287 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
Audio encoder for encoding a multichannel signal is shown. The audio encoder includes a downmixer for downmixing the multichannel signal to obtain a downmix...
US-1,038,8284 Speech recognition apparatus and method
A speech recognition apparatus and method. The speech recognition apparatus includes one or more processors configured to reflect a final recognition result for...
US-1,038,8265 Systems and methods for enhancing a signal-to-noise ratio
Provided are methods and apparatus for enhancing a signal-to-noise ratio. In an example, provided is an apparatus configured to modify audio to better match the...
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