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Searching: audio signal





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Patent # Description
US-9,215,538 Method and apparatus for audio signal classification
An apparatus comprising at least one processor and at least one memory including computer program code the at least one memory and the computer program code...
US-9,215,537 Hearing aid and method of implanting a hearing aid
A hearing aid including a permanent magnet to be fixed at a patient's incus (26), an audio signal source (14), an audio signal processing unit (16) for...
US-9,215,535 Hearing assistance system and method
A hearing assistance system and method for wireless RF audio signal transmission from at least one audio signal source to ear level receivers, wherein a...
US-9,215,528 Flat panel electronic device and audio playing apparatus thereof
A flat panel electronic device and an audio playing apparatus thereof are provided. The audio playing apparatus comprises an audio generator, a plurality of...
US-9,215,519 Reduced footprint microphone system with spacer member having through-hole
A microphone system has a chip system coupled to a base. Among other things, the chip system includes a microphone chip and a circuit chip, in a stacked...
US-9,215,454 Testing system and method for audio/video processing function of audio/video playback apparatus
A testing system and a method thereof are provided. The testing system includes an audio/video playback apparatus and a testing apparatus. The audio/video...
US-9,215,428 Child-monitoring system
A child-monitoring system includes a parent unit and a child unit. The child-monitoring system is configured to communicate audio and video signals between the...
US-9,215,409 Systems and related methods for controlling audio communications between a relay service and an audio endpoint
Communication systems and methods for controlling audio communications between a relay service and an audio endpoint with a video endpoint are disclosed. A...
US-9,215,401 Display device and home network system comprising display device
The present invention provides a display device, which comprises: a liquid crystal panel; a backlight unit configured to provide the liquid crystal panel with a...
US-9,215,328 Beamforming apparatus and method based on long-term properties of sources of undesired noise affecting voice...
A beamforming technique for a microphone array is described to attenuate a source of undesired noise that is deemed the most limiting to audio quality in an...
US-9,215,327 Methods and apparatuses for multi-channel acoustic echo cancelation
Embodiments include methods and apparatuses for echo cancelation involving multiple audio channels and the production, sensing, or a combination thereof of...
US-9,215,222 First communication unit obtaining second information apparatus address information to establish a second...
In a communication of audio signals between first and second portable-telephone devices through a first portable-telephone base station, a second...
US-9,214,916 Acoustic processing device
There is provided an acoustic processing device capable of applying acoustic processing matching listener's sense to reproduce an audio signal with satisfactory...
US-9,214,190 Audio signal processing method
An audio signal processing method includes the steps of: dividing an audio signal data stream into a plurality of selection segments; determining a target...
US-9,214,162 Audio-signal correction apparatus, audio-signal correction method and audio-signal correction program
Sequential digital audio signals are received to calculate a difference between each currently sampled digital audio signal and another digital audio signal...
US-9,214,161 Audio signal encoding method, audio signal decoding method, encoding device, decoding device, audio signal...
When a frame immediately preceding an encoding target frame to be encoded by a first encoding unit operating under a linear predictive coding scheme is encoded...
US-9,214,160 Alias cancelling during audio coding mode transitions
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an...
US-9,214,158 Audio decoding device and audio decoding method
An audio decoding device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor...
US-9,214,150 Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices
A personal audio device, such as a wireless telephone, includes an adaptive noise canceling (ANC) circuit that adaptively generates an anti-noise signal from a...
US-9,214,147 Audio signal distortion using a secondary audio signal for enhanced control of psycho-acoustic and musical effects
A distorter is provided that allows a musician/sound engineer to affect the operation of a distortion circuit using a second musical instrument or a sound...
US-9,214,078 Individual activity monitoring system and method
An individual activity monitoring system comprises a microphone configured to receive sounds and convert them to audio signals, a memory configured to store...
US-9,214,076 Firefighter's safety monitoring and alarm
A firefighter's safety apparatus includes a first system located in a firefighter's helmet and a second system located at a central station. The first includes...
US-9,213,761 Electronic systems and methods for integrated, automatic, medium-quality audio
A semiconductor device includes a single substrate including circuitry to implement a processor, a memory coupled to the processor, an audio interface module...
US-9,210,799 Apparatus and method for reproducing an audio signal
There is provided an electronic device having an audio system for reproducing audio signals. An exemplary electronic device has an analog region and a separate...
US-9,210,727 Wireless device pairing
Generally discussed herein are wireless systems, apparatuses, and methods for pairing a device and a base station. For example, the disclosed techniques may...
US-9,210,555 Pulsed input push-to-talk wireless adapter systems and methods
An adaptor that includes a male connector, a control circuit, and a wireless transceiver coupleable to a corresponding female connector on a portable electronic...
US-9,210,523 System and method for modular on-demand audio processing, amplification and distribution
The present disclosure relates to a system and method for processing, amplification and distribution of audio signals. In an embodiment, the method includes...
US-9,210,519 Hearing assistance system and method
A system for providing hearing assistance to at least one user, having at least one audio signal source; a transmission unit with a digital transmitter for...
US-9,210,514 Throat microphone
A throat microphone includes a cantilevered piezoelectric device 1 having a fixed end 11 supported by a base 3 and a free end with an anchor 4 fixed thereto....
US-9,210,509 System and method for directional sound transmission with a linear array of exponentially spaced loudspeakers
A system and method for the directional transmission of sound is disclosed. In one embodiment, the system comprises an audio source configured to generate an...
US-9,210,506 FFT bin based signal limiting
Volume extension includes limiting the magnitude of Fast Fourier Transform (FFT) frequency bins which allows increases to the perceived level of audio content...
US-9,210,505 Maintaining spatial stability utilizing common gain coefficient
In a system and method for maintaining the spatial stability of a sound field a background noise estimate may be estimated for each of a first signal and a...
US-9,210,504 Processing audio signals
In an embodiment, a method of processing audio signals at a device includes receiving audio signals at a plurality of microphones of the device; processing at...
US-9,210,503 Audio zoom
An audio equivalent of a video zoom feature for video recording and communication applications, as well as video post production processes. The audio zoom may...
US-9,210,500 Headset type detection and configuration techniques
A circuit including headset type detection provides compatibility with different transducer types, such as headphones provided by different manufacturers. An...
US-9,210,497 Electrostatic earphone
An electrostatic earphone with a closed-back housing, a sleeve for acoustically sealing to an ear canal, and an electrostatic transducer is provided. The...
US-9,210,492 Microphone assembly having an acoustic coupler
Embodiments of the invention include a microphone assembly having a microphone soldered on a bottom side of a bottom ported microphone flex circuit carrier, and...
US-9,210,491 Wireless audio coupler and amplifier for mobile phone, tablet device, MP3 player and the like
An electronic amplifier device amplifies magnetic audio signals emanating from a portable electronic device placed thereon. The electronic amplifier device...
US-9,210,483 Method and apparatus for watermarking an AC-3 encoded bit stream
For watermark embedding, without full Dolby AC-3 decoding, mantissa bits in the AC-3 bit stream are changed by exploiting the fact that during AC-3 encoding...
US-9,210,466 Systems and methods for controlling broadcast audio volume
Viewers use remote controls to generate mute signals based on broadcast programming. Those mute signals are processed into mute messages, which are sent to...
US-9,210,419 System and method for diagnostic modeling of audio and video quality of service
Systems and methods are described for determining a set of three quality metrics for audio and/or video signals transmitted through a packet network. The set of...
US-9,210,361 Video display system
The present disclosure relates to a system for multiplexing (i.e. combining multiple signals into one signal) both a plurality of video content (live and...
US-9,210,269 Active speaker indicator for conference participants
In one embodiment, a method includes receiving requests to join a conference from a plurality of user devices proximate a first endpoint. The requests include a...
US-9,210,058 Systems and methods for assessing jitter buffers
A system having one or more processors and a memory, sends a plurality of test audio packets at a level of signal complexity deviating from a model level of...
US-9,209,767 Input current limited power supply and audio power amplifier for high power reproduction of nondeterministic...
A method and apparatus for amplifying audio signals without exceeding an input current limit budgeted for the audio power amplifier circuit includes an...
US-9,209,757 Energy-efficient personal audio device output stage with signal polarity-dependent power supply update rate
A charge pump power supply may comprise a plurality of capacitors and a switching circuit for switching the capacitors to provide a first voltage or a second...
US-9,208,794 Providing sound models of an input signal using continuous and/or linear fitting
Voice enhancement and/or speech features extraction may be performed on noisy audio signals. An input signal may convey audio comprising a speech component...
US-9,208,792 Systems, methods, apparatus, and computer-readable media for noise injection
A method of processing an audio signal is described. The method includes selecting one among a plurality of entries of a codebook based on information from the...
US-9,208,790 Extraction and matching of characteristic fingerprints from audio signals
An audio fingerprint is extracted from an audio sample, where the fingerprint contains information that is characteristic of the content in the sample. The...
US-9,208,789 Reduced complexity converter SNR calculation
An audio encoder configured to encode an audio signal to generate a bitstream having E-AC-3 format, including by determining a first control parameter...
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