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Searching: audio signal





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Patent # Description
US-9,668,065 Acoustical module with acoustical filter
An acoustical module including a receiver unit for generating audio sound, microphone units for receiving acoustical pressure signals, and acoustical pressure...
US-9,668,054 Audio architecture for a portable speaker system
In some embodiments, portable speakers can be small and lightweight and can communicate with one or more audio device over wired or wireless connections. In...
US-9,668,053 Bluetooth landscape/pathway lights
Audio landscape/pathway lights, devices, apparatus, systems and methods using BLUETOOTH wireless communication technology with integrated speakers,...
US-9,668,045 Integrated phantom-powered JFET circuit module in portable electronic device for creating hi-fidelity sound...
A novel phantom-powered JFET gain circuit that improves audio clarity and linearity, while reducing a high-gain burden, noise, and distortion from a sole usage...
US-9,668,042 Adjustable acoustic bass earbud
The present disclosure provides an earphone device with sound adjustment capability that allows a user to dynamically adjust sound acoustics resonating from the...
US-9,668,041 Activity monitoring and directing system
A system for monitoring and directing athletic or other physical activities is disclosed. In one embodiment of the invention, a headset worn by an athlete...
US-9,668,011 Single chip set-top box system
A single chip set-top box system and method is provided. The system comprises, for example, a transceiver, an audio/video decoder, a CPU, peripherals, DAVIC MAC...
US-9,667,803 Nonlinear acoustic echo cancellation based on transducer impedance
An acoustic echo cancellation (AEC) system within an audio playback system of an electronic device, such as a mobile phone, may calculate an estimation of an...
US-9,667,412 Key, system and method of unlocking electronic device using the key
A method for unlocking a display screen of an electronic device includes activating the display screen which is locked of the electronic device when receiving a...
US-9,667,285 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-9,667,270 System, medium, and method of encoding/decoding multi-channel audio signals
An system, method, and method of encoding/decoding a multi-channel audio signal, including a decoding level generation unit producing decoding-level information...
US-9,667,229 Complex exponential modulated filter bank for high frequency reconstruction
An apparatus and method are disclosed for filtering and performing high frequency reconstruction of an audio signal. The apparatus includes an analysis filter...
US-9,667,216 Wideband tunable combiner system
A wideband tunable combiner system for a dual frequency diversity transmitter is provided that includes a tunable capacitance network. Incoherent RF signals...
US-9,667,213 Audio signal processing device for adjusting volume
An audio signal processing device includes a volume setting unit that changes a volume of an audio signal according to a control for changing the volume, and a...
US-9,666,203 Device and method for calculating loudspeaker signals for a plurality of loudspeakers while using a delay in...
A device for calculating loudspeaker signals using a plurality of audio sources, an audio source including an audio signal, includes a forward transform stage...
US-9,666,202 Adaptive bandwidth extension and apparatus for the same
In one embodiment of the present invention, a method of decoding an encoded audio bitstream and generating frequency bandwidth extension includes decoding the...
US-9,666,200 Methods and systems for efficient recovery of high frequency audio content
The present document relates to the technical field of audio coding, decoding and processing. It specifically relates to methods of recovering high frequency...
US-9,666,196 Recording apparatus with mastering function
There is provided a recording apparatus which can effectively execute compression processing regardless of the mixdown level, and which can thereby carry out...
US-9,666,180 Synthesized audio message over communication links
A communication device establishes an audio connection with a far-end user via a communication network. The communication device receives text input from a...
US-9,666,176 Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a...
A processing circuit may include: (i) an adaptive filter having a response that generates an anti-noise signal from a reference microphone signal, wherein the...
US-9,665,698 Systems and methods for payload encoding and decoding
Systems and methods for payload encoding and decoding are disclosed. An example method to decode audio data includes receiving audio data having protected...
US-9,662,960 AVN terminal, vehicle having the same and method of controlling vehicle
An audio video navigation (AVN) terminal may include a communication unit configured to receive a signal from a user terminal; an extracting unit configured to...
US-9,661,436 Audio signal playback device, method, and recording medium
An audio signal playback device includes a conversion unit that performs discrete Fourier transform on each of 2 channel audio signals obtained from a...
US-9,661,429 System and method for modular on-demand audio processing, amplification and distribution
A system and method for processing, amplification and distribution of audio signals. In an embodiment, the method includes receiving at least one digital audio...
US-9,660,954 VOIP routing based on RTP server-to-server routing
A system and method of providing VoIP services by using multiple Real-time Transport Protocol servers (RTP) servers for transmitting VoIP data between user...
US-9,660,855 Orthogonal signal demodulation
A modulation transmission technique comprises placing orthogonal subcarriers across an arbitrary-wide band of frequencies without a fixed pre-defined center...
US-9,656,604 Audio signal for a synthetic noise of a motor vehicle as well as method for generating said audio signal
A method for generating an audio signal for a synthetic noise of a motor vehicle is provided. An audio signal for the synthetic noise of a motor vehicle is also...
US-9,655,399 Earplug connector for multi-signal and multi-power receiving helmets
An earplug connector for simultaneously providing an audio signal from a vehicle or an extra-vehicular source to a pilot while providing power to a noise...
US-9,654,905 Enabling near field communications using indicators
Embodiments of the present invention provide time-efficient and effective systems and methods for enabling near field communications (NFC) on electronic devices...
US-9,654,892 Condenser microphone
A condenser microphone utilizes a PLL circuit which includes a phase shift oscillator having an RC network that uses an electrostatic capacitance of the...
US-9,654,869 System and method for autonomous multi-track audio processing
A method, apparatus, and computer readable medium for mixing a plurality of audio signals within an audio mixing system are disclosed. The method comprises...
US-9,654,865 Earphone
Disclosed is an earphone comprising a loudspeaker unit, an audio signal wire electrically connected to the loudspeaker unit, and an auxiliary structure; the...
US-9,654,644 Placement of sound signals in a 2D or 3D audio conference
A conference controller (111, 175) configured to place an upstream audio signal (123, 173) associated with a conference participant and a sound signal within a...
US-9,654,609 Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and...
An accessory device having multiple speakers and/or microphones to perform a number of audio functions, for use with mobile devices, are provided. The audio...
US-9,654,229 Parametric transducer microphone system
An ultrasonic emitter can launch an unmodulated ultrasonic carrier signal towards an audio source. The ultrasonic carrier signal, upon being reflected from the...
US-9,653,092 Method for controlling acoustic echo cancellation and audio processing apparatus
A method for controlling acoustic echo cancellation and an audio processing apparatus are described. In one embodiment, the audio processing apparatus includes...
US-9,649,042 Heart monitoring system usable with a smartphone or computer
A personal monitoring device has a sensor assembly configured to sense physiological signals upon contact with a user's skin. The sensor assembly produces...
US-9,648,449 Electronic device and electronic system for radio connecting a plurality of electronic devices
A routing electronic device comprises a receiver/transmitter configured to: receive a first short-range radio signal carrying data indicating an incoming voice...
US-9,648,440 Virtual height filter for reflected sound rendering using upward firing drivers
Embodiments are directed to speakers and circuits that reflect sound off a ceiling to a listening location at a distance from a speaker. The reflected sound...
US-9,648,437 Systems and methods for monitoring cinema loudspeakers and compensating for quality problems
Systems and processes for compensating for changes in a theatre sound system positioned in a theatre are described. A subsequent response of a loudspeaker to a...
US-9,648,432 Method of controlling sound reproduction of enclosure mounted loudspeakers
A method of controlling sound reproduction may include applying an audio signal to a voice coil of the electrodynamic loudspeaker to produce sound, detecting...
US-9,648,428 Wireless communication method and apparatus of hearing device
A wireless communication method of a hearing aid includes extracting an audio signal through a first hearing aid, determining a beam forming vector as a beam...
US-9,648,416 Interactive vehicle synthesizer
A method of operating an audio entertainment system in a vehicle includes detecting an operating parameter of the vehicle. A sensor signal corresponding to the...
US-9,648,414 Systems and methods for controlling an audio signal path using redundant uninterruptable clock
Responsive to the absence of a reference clock input signal to a clock conditioning circuit for generating a desired clock signal for synchronizing components...
US-9,648,411 Sound processing apparatus and sound processing method
An audio matrix formed from absolute amplitude values of coefficients obtained by frequency-transforming an audio signal is generated. The audio matrix is...
US-9,648,405 Speaker and mobile communication terminal device using same
A speaker is disclosed. The speaker including a first cover, a second cover forming a receiving space, a first steel strap assembled with the first cover, a...
US-9,648,288 Information processing system and method, information processing apparatus, image-capturing device and method,...
A feature extracting unit obtains sensor data from a plurality of sensors to calculate each feature. When an event determining unit determines the occurrence of...
US-9,648,160 Communication system having user selectable features
A communication system comprising a server capable of establishing telephone communications between at least two users of a communication network and transcribe...
US-9,647,785 Communication apparatus, signal processing method, and recording medium storing a signal processing program
In a communication system incorporating a communication apparatus that transfers/receives a TS packet using MPEG-2-TS to synchronize a video signal with an...
US-9,647,624 Adaptive loudness levelling method for digital audio signals in frequency domain
Embodiments of the present disclosure are directed to techniques for adjusting the amplitude of a digital audio signal in the frequency domain to control the...
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