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Searching: audio signal





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Patent # Description
US-8,812,322 Semi-supervised source separation using non-negative techniques
Systems and methods for semi-supervised source separation using non-negative techniques are described. In some embodiments, various techniques disclosed herein...
US-8,812,309 Methods and apparatus for suppressing ambient noise using multiple audio signals
A method for suppressing ambient noise using multiple audio signals may include providing at least two audio signals captured by at least two electro-acoustic...
US-8,812,308 Apparatus and method for modifying an input audio signal
An apparatus for modifying an input audio signal has an excitation determiner, a storage device and a signal modifier. The excitation determiner determines a...
US-8,812,306 Speech decoding and encoding apparatus for lost frame concealment using predetermined number of waveform...
An audio decoding device capable of suppressing an information amount for a lost flame compensation process and encoding efficiency is provided. A decoded sound...
US-8,812,223 Systems and methods for alerting aircraft crew members of a runway assignment for an aircraft takeoff sequence
System and methods are provided alerting an aircraft crew member of a runway assignment for an aircraft takeoff sequence from a runway of an airport having a...
US-8,812,141 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-8,812,140 Signal transforming method, transforming device through audio interface and application program for executing...
A signal transforming method receives external analog audio signal through an audio I/O interface on a mobile device. The mobile device installs an application...
US-8,811,929 Power management for a battery-powered handheld audio device
A method for managing power of a battery-powered handheld audio device by receiving an indicia of signal quality for a received continuous-time radio signal....
US-8,811,908 Method and apparatus for expanding wireless rear speaker in home theater system
A wireless rear speaker expanding apparatus which allows wired rear speakers to expand as wireless rear speakers by attaching a card-type wireless module in a...
US-8,811,765 Encoding device configured to generate a frequency component extraction signal, control method for an encoding...
Disclosed is an encoding device, which is an encoding device that outputs an encoded signal including a signal in which an original signal is encoded, the...
US-8,811,646 Retractable earphone set
A retractable earphone set including a first spring wheel assembly and a second spring wheel assembly rotatably disposed within a housing, a pair of cables...
US-8,811,643 Integrated cochlear implant headpiece
An integrated headpiece for a cochlear implant system includes a microphone for outputting an audio signal; signal processing electronics for processing the...
US-8,811,630 Systems, methods, and apparatus to filter audio
Systems, methods, and apparatus to filter audio are disclosed. An example device includes first and second audio speakers having first audio characteristics, a...
US-8,811,629 Automatic volume control for combined game and chat audio
A system may comprise an input circuit, one or more filter circuits, one or more common signal detection circuits, and a controller. The input circuit may...
US-8,811,628 Compact noise suppression circuit for small speakers
A compact noise suppression circuit for a small speaker system and having a circuit board with a left signal input connection and a right signal input...
US-8,811,626 Recording/reproducing apparatus
A recording/reproducing apparatus includes a plurality of unidirectional microphones and a plurality of direction indicator switches. The unidirectional...
US-8,811,625 Headphone system, portable electronic device and audio output switching method
A headphone system, installed in a portable electronic device for outputting sounds, includes an audio wire for transmitting audio signals, a sound output...
US-8,811,624 Echo cancellation method and device
The present invention discloses an echo cancellation method. The method includes: dividing an audio signal into a high-band audio signal and a low-band audio...
US-8,811,470 Integrated circuit for video/audio processing
An integrated circuit for video/audio processing in which design resources obtained by development of video/audio devices can also be used for other types of...
US-8,811,416 Gateway device, mobile terminal, mobile communication method, and program
A gateway device connects a packet transfer device on a mobile high-speed network and a radio network controller on a mobile circuit-switched network via an IMS...
US-8,811,386 Packet handler for high speed data networks
An improved packet handler for VoIP cable modems and other high-speed digital devices includes a direct communication link via hardware among internal...
US-8,811,375 Multimedia apparatus and synchronization method thereof
A multimedia apparatus and a synchronization method thereof are provided. The multimedia apparatus includes a video output unit which outputs a video, and a...
US-8,811,119 Distance estimation using sound signals
An apparatus comprises a test signal generator (401) which generates an ultrasonic test signal by modulating an audio band test signal on an ultrasonic signal....
US-8,810,730 Receiving device for audio-video system
The invention relates to a receiving device for an audio-video system. The receiving device comprises a connector, a video processing unit, an audio processing...
US-8,810,656 System and method for detecting motion and providing an audible message or response
The present invention is to provide a system and method for monitoring a location that may include detecting motion in an area and providing an audible message...
US-8,808,160 Method and apparatus for providing therapy using spontaneous otoacoustic emission analysis
A method and apparatus for providing therapy using spontaneous otoacoustic emission (SOAE) analysis is described. In one embodiments, a method for utilizing the...
US-8,808,144 Audio pacing device
There is provided a audio pacing device including a sensing unit, such as heart rate monitoring unit, to obtain a parameter, such as heart-beat rate (pulse), of...
US-8,807,569 Illuminated bean bag toss game
Provided is an illuminated toss game having at least one (1) game piece that is tossed into at least one (1) scoring hole located in a top surface of a playing...
US-8,807,058 Jet powered multihull networked vessel for providing diving services with an onboard water jetting system and...
A diving services multihull vessel with a starboard pontoon and a port pontoon, with dive support stations built into the bow and stern, a port independently...
US-8,806,079 Interface circuit and an electronic device including the same
An interface circuit for use in an electronic device includes a switch module and a control module including signal receiving and transmitting pins. When a...
US-8,805,723 Acoustically transmitting a resource identifier in multiple concurrent segments
A plurality of audio signals are broadcasted concurrently on a plurality of substantially separate audio channels. Each of the audio channels has a center...
US-8,805,696 Quality improvement techniques in an audio encoder
An audio encoder implements multi-channel coding decision, band truncation, multi-channel rematrixing, and header reduction techniques to improve quality and...
US-8,805,694 Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding
A method and an apparatus for encoding and decoding audio signals using adaptive sinusoidal coding are provided. The audio signal encoding method includes the...
US-8,805,682 Real-time encoding technique
A system for encoding an audio signal includes an audio console configured to receive a voice audio signal contained within a first audio spectrum, encode the...
US-8,805,680 Method and apparatus for encoding and decoding audio signal using layered sinusoidal pulse coding
Provided are a method and an apparatus for encoding and decoding an audio signal. A method for encoding an audio signal includes receiving a transformed audio...
US-8,805,679 Audio signal transient detection
Provided are, among other things, systems, methods and techniques for detecting whether a transient exists within an audio signal. According to one...
US-8,805,320 Method and system for message collision avoidance
A system that incorporates the subject disclosure may include, for example, receiving first and second audio input signals from first and second communication...
US-8,805,312 Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power...
A wireless receiver (10) includes a down converter module (210) operable to deliver a signal having a signal bandwidth that changes over time, a dynamically...
US-8,804,985 Systems and methods for high pass filtering with smart saturation
An audio processing system that includes an audio filter having one or more elements capable of having state, such as a capacitor, an inductor or a delay. A...
US-8,804,984 Spectral shaping for audio mixing
Techniques are described herein that are capable of spectrally shaping audio signal(s) for audio mixing. Spectrally shaping an audio signal means modifying a...
US-8,804,983 Microphone and microphone apparatus
A microphone includes a microphone unit having a diaphragm, a fixed electrode and a FET as an impedance converter; a plug outputting audio signals output from...
US-8,804,981 Processing audio signals
According to an embodiment, a method of reducing noise in a signal received at a processing stage of an acoustic system includes, at the processing stage...
US-8,804,980 Signal processing method and apparatus, and recording medium in which a signal processing program is recorded
A signal processing method for converting a signal received via a transmission path or read from a storage medium into a first audible signal, and suppressing a...
US-8,804,971 Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
A method for encoding a multichannel audio input signal, including steps of generating a downmix of low frequency components of a subset of channels of the...
US-8,804,970 Low bitrate audio encoding/decoding scheme with common preprocessing
An audio encoder has a common preprocessing stage, an information sink based encoding branch such as spectral domain encoding branch, a information source based...
US-8,804,968 Audio network system and method of detecting topology in audio signal transmitting system
In an audio network system constructed from a main node and a plurality of satellite nodes each having a plurality of ports, the main node generates and...
US-8,804,967 Method for encoding and decoding multi-channel audio signal and apparatus thereof
Methods and apparatuses for encoding and decoding a multi-channel audio signal are provided. In the encoding method, spatial information is calculated based on...
US-8,804,608 Methods, apparatus, and systems for facilitating audio communications between disparate devices
An access node for facilitating communications between disparate devices is disclosed. The access node includes an access communication device (ACD) interface...
US-8,804,526 Management of data congestion in a data network
A congestion management apparatus for receiving a traffic data stream and an associated control signal, wherein the apparatus detects a congestion indicator in...
US-8,804,093 Systems and methods for theater seat movement
Systems and methods for providing movement to seating including theater seating generate complex motion responses in the seating by automatically analyzing an...
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