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Searching: audio signal





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Patent # Description
US-7,756,390 Video signal separation information setting method and apparatus using audio modes
It is determined whether or not the total length or ratio of periods in which an audio signal is set in a first mode with respect to the preset length of...
US-7,756,344 System for displaying character and a method thereof
Disclosed are an image processing system for displaying character information and a method for the same. According to the image processing system, character...
US-7,756,285 Hearing aid with tuned microphone cavity
A hearing aid comprises a microphone that receives incident sound waves from one or more sources external to the hearing aid, and converts the sound waves into...
US-7,756,280 Audio processing system and method for automatically adjusting volume
The present invention relates to an audio processing system and method for automatically adjusting volume. The method includes steps of: calculating a noise...
US-7,756,278 Ultra-directional microphones
Some embodiments provides a highly directional audio response that is flat over five octaves or more by the use of multiple colinear arrays followed by signal...
US-7,756,277 Distributed audio system
A distributed stereo system includes two (or more) speakers; a source of audio signals; an amplifier in the same room as the speakers that drives the speakers;...
US-7,756,276 Audio amplification apparatus
A method of adjusting frequency-dependent amplification in an audio amplification apparatus. The audio amplification apparatus includes a forward transfer path...
US-7,756,275 Dynamically controlled digital audio signal processor
A system and method for processing multiple channel audio signals to create a realistic soundscape in a space largely independent of the number of loudspeakers...
US-7,756,274 Sonic landscape system
A system for providing a listener with an augmented audio reality in a geographical environment said system comprising a position locating system for determining...
US-7,756,234 Method of and system for controlling frame synchronization for European Digital Audio Broadcasting
Disclosed are a method of and a system for controlling frame synchronization for European Digital Audio Broadcast (DAB), the method including the steps of...
US-7,756,110 Network-based control of audio/video stream processing
A method for controlling media stream processing comprises: (a) transmitting a media stream, via a first packet-based network, to an operator; (b) receiving from...
US-7,755,975 System for providing wireless waterproof audio
Disclosed herein are systems and methods for providing wireless waterproof audio to a user in an aquatic environment. The systems may include earphones adapted...
US-7,755,471 Motion sensitive self-contained audio module for warning signs
A self-contained motion sensitive audio module includes a sensor circuit coupled to a pyroelectric infrared sensor with two sensing elements configured for...
US-7,755,221 Electronic device with compound audio interface and power adapter
An exemplary electronic device includes a power module having an anode and a cathode; an audio module having an audio signal terminal and a ground terminal; an...
US-7,755,216 Uninterrupted power supply with IR control link
A Universal Power Supply (UPS) protects audio/visual (A/V) components from damage that may occur due to a sudden power loss by first, providing back up power via...
US-7,754,958 Sound analysis apparatus and program
A sound analysis apparatus stores sound source structure data defining a constraint on one or more of sounds that can be simultaneously generated by a sound...
US-7,754,956 Programmable system to integrate generated signals with signals from a musical instrument
A programmable system for integrating signals in a musical instrument including a programmable device that is configured to create re-callable scenes, where the...
US-7,753,163 Multi-frequency acoustic vibration transmission method and system
A method and system (50) for inducing multi-frequency vibrations in a vibration propagating structure, for example a seat (52), is disclosed. The system is...
US-7,752,053 Audio signal processing using pilot based coding
An apparatus for processing a signal and method thereof are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to...
US-7,752,042 Methods and apparatus to operate an audience metering device with voice commands
Methods and apparatus to operate an audience metering device with voice commands are described herein. An example method to identify audience members based on...
US-7,752,038 Pitch lag estimation
Autocorrelation values are determined as a basis for an estimation of a pitch lag in a segment of an audio signal. A first considered delay range for the...
US-7,752,037 Pitch extraction methods and systems for speech coding using sub-multiple time lag extraction
A method of determining a pitch period of an audio signal using a correlation-based signal derived from the audio signal. The correlation-based signal includes...
US-7,751,916 Closed loop analog signal processor ("CLASP") system
A system, apparatus, device, and method for recording sounds and music with the character and sonic benefits of a genuine analog tape recording is disclosed....
US-7,751,915 Device for level correction in a wave field synthesis system
For a level correction in a wave field synthesis system having a wave field synthesis module and an array of loudspeakers for providing sound to a presentation...
US-7,751,914 Signal processing apparatus
A signal processing apparatus includes an input attribute determination section for determining an input attribute representing at least one of a type of an...
US-7,751,795 Wired, wireless, infrared, and powerline audio entertainment systems
A method and system for communicating audio signals between an input device and an output device via a network. The output device can include loudspeakers and...
US-7,751,590 Video and audio content analysis system
The present invention is directed to various methods and systems for analysis and processing of video and audio signals from a plurality of sources in real-time...
US-7,751,588 Error processing of steganographic message signals
A form of error processing is used to decode steganographic messages embedded in image and audio signals in the presence of distortion, which tends to introduce...
US-7,751,576 Loudspeaker apparatus
A loudspeaker apparatus has an improved reproduction characteristic of signals of small sound volumes. The loudspeaker apparatus includes a small-signal...
US-7,751,574 Reverberation apparatus controllable by positional information of sound source
In a reverberation apparatus, a storage section stores a directional characteristic representing a directivity of generated sound at a sound generating point. A...
US-7,751,572 Adaptive residual audio coding
An audio signal having at least two channels can be efficiently down-mixed into a downmixe signal and a residual signal, when the down-mixing rule used depends...
US-7,751,534 System and method for the emergency voice and image e-mail transmitter device
A voice-image e-mail transmitter device that is designed for emergency and surveillance purposes is disclosed. This device converts voice signals and picture...
US-7,751,480 Video encoding and video/audio/data multiplexing device
The present invention provides a buffer architecture and latency reduction mechanism for buffering uncompressed/compressed information. This combination provides...
US-7,751,434 Unified distributed architecture for a multi-point video conference and interactive broadcast systems
A unified architecture for a multipoint VC session and interactive broadcasting system is provided that includes a server, one or more video accessing points,...
US-7,751,378 Method, apparatus and system for client-based distributed PBX for enterprise telephony
A system and associated processes to provide interactive public branch exchange (PBX) processes. The PBX processes including: session initiation protocol (SIP)...
US-7,750,978 Audio/video separator
An audio/video separator provides a high-performance and cost-effective solution to analog TV reception with only one A/D converter and a minimum of analog IF...
US-7,750,829 Scalable encoding and/or decoding method and apparatus
A method and apparatus to scalably encode or decode an audio signal or a video signal. A signal distribution is considered after binarization is performed based...
US-7,750,820 Christmas tree alerting device
An emergency alerting device for a Christmas tree utilizing a sheath having a housing forming an open chamber which is capable of encompassing the top of a...
US-7,750,229 Sound synthesis by combining a slowly varying underlying spectrum, pitch and loudness with quicker varying...
The present synthesizer generates an underlying spectrum, pitch and loudness for a sound to be synthesized, and then combines the underlying spectrum, pitch and...
US-7,748,019 Local network in a vehicle
A vehicle-hosted local network includes a subscriber data source that transmits audio data and compressed video data to respective subscriber data sinks on the...
US-7,748,015 Processing of a broadcast signal
A method of processing a broadcast signal comprises receiving a broadcast signal, the signal including a video component and an audio component. A data component...
US-7,747,928 Digital wireless communication apparatus
A prediction signal calculator with a limit function is provided with a multiplier calculating a partial prediction signal composed of the product of a polar...
US-7,747,725 Method for transporting digital media
A networked system is provided for transporting digital media packets, such as audio and video. The network includes network devices interconnected to send and...
US-7,747,431 Code conversion method and device, program, and recording medium
An audio decoding device (1) generates a first decoded audio from a first code string by a first decoding method, AN audio encoding device (2) judges whether the...
US-7,747,430 Coding model selection
The invention relates to an encoder (200) comprising an input (201) for inputting frames of an audio signal, a LTP analysis block (209) for performing a LTP...
US-7,747,295 Earphone jack for eliminating power noise in mobile communication terminal, and operating method thereof
An earphone jack for a mobile communication terminal and a driving method thereof, wherein the earphone jack includes a first speaker terminal for providing a...
US-7,747,293 Display control for cellular phone
A cellular phone comprises a transceiver that wirelessly transmits and receives wireless cellular signals, a display, an input device, a microphone that...
US-7,747,281 Method for in-band signaling of data over digital wireless telecommunications networks
An inband signaling modem communicates digital data over a voice channel of a wireless telecommunications network. An input receives digital data. An encoder...
US-7,747,232 Radio reception system with automatic tuning
A method and apparatus for operating a radio reception system, which comprises a plurality of receivers assigned to a common output device, in which one of the...
US-7,747,215 Apparatus and method for editing a received video and audio signal in a mobile terminal
The present invention relates to a broadcast editing apparatus and method for editing a satellite broadcast signal in a mobile terminal of a wireless...
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