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Searching: audio signal





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Patent # Description
US-8,190,178 Cellular phone and mobile switching controller
In a case where a cellular phone exists outside a WOS system service area, the cellular phone receives a not-connectable signal and an audio message from a...
US-8,190,095 RF audio distribution system including IR presence detection
A wireless communication access point is provided with an infrared beacon transmitter to signal a connection request to a portable wireless device, such as a...
US-8,189,987 Digital multimedia reproducing apparatus and method of providing digital multimedia broadcasting in the digital...
A digital multimedia reproducing apparatus capable of receiving and providing digital multimedia broadcasting (DMB) in addition to reproducing moving pictures...
US-8,189,849 Movable speaker covering
A speaker cabinet includes at least one speaker contained in the speaker cabinet, and a speaker covering shrouding the at least one speaker, wherein the speaker...
US-8,189,837 Hearing system with enhanced noise cancelling and method for operating a hearing system
The hearing system (1) comprises a filtering unit (6) for improving a signal-to-noise ratio of an S+N-audio signal (S+N) composed of a desired audio signal (S)...
US-8,189,834 Device and method for generating a filtered activity pattern, source divider, method for generating a debugged...
A device for generating a filtered activity pattern based on a first activity pattern at an auditory model of a first ear and a second activity pattern at an...
US-8,189,833 Hearing aid and a method of processing input signals in a hearing aid
A hearing aid comprises two microphones, directional processing means for combining the respective audio signals to form a spatial signal, a beamformer for...
US-8,189,831 Hearing aid having an audio signal generator and method
The invention relates to a hearing aid having an audio signal unit which is operatively connected to a sound generator and generates an audio signal which has...
US-8,189,827 Multi-channel audio panel
A method and apparatus for providing improved intelligibility of contemporaneously perceived audio signals. Differentiation cues are added to monaural audio...
US-8,189,817 System for amplifiers with low distortion and low output impedance
System for pulse-width-modulated class D audio amplifiers. In one preferred embodiment an adder is described to generate a difference signal responsive to an...
US-8,189,816 Computer controlled amplifier and speaker system with power conservation feature
A computer controlled amplifier and speaker system includes a power conservation feature allowing ready adaptation to a variety of consumer vehicles, audio...
US-8,189,815 Microphone circuit
A microphone circuit includes a signal generating module, a filtering module, a transmitting module and a switch module. The signal generating module transforms...
US-8,189,812 Bass boost filtering techniques
Bass frequencies of audio can be boosted using various techniques and tools. The described techniques and tools can be applied separately or in combination. For...
US-8,189,811 System and method for processing audio signals
An audio signal is processed by passing it through a speaker, the cone of which is mechanically connected to a moving sleeve. A coil is wrapped around the...
US-8,189,809 Audio device for improved sound reproduction
An audio device includes a first audio path with a loudspeaker for reproducing an audio signal, and a second audio path. The second audio path includes in...
US-8,189,802 Digital filtering in a Class D amplifier system to reduce noise fold over
An improved power amplifier system is provided. The power amplifier system includes a programmable digital filter and a power amplifier, each responsive to a...
US-8,189,799 System for active noise control based on audio system output
An active noise control (ANC) system is configured to generate at least one anti-noise signal configured to drive a speaker to generate sound waves to...
US-8,189,798 Method and system for controlling a maximum signal level output to headphones coupled to a wireless device
A method for controlling a maximum signal level output to headphones of a wireless device is provided. The method includes: determining an impedance of the...
US-8,189,780 Content protection system
The digital broadcast receiver comprises: a signal input unit for receiving a received broadcast wave; a demodulation unit for demodulating the broadcast wave;...
US-8,189,753 Distributed intercom system with audio bus
A distributed intercom system that interconnects a hub and various keypad and door zone units having microphones and/or speakers via CAT5 or similar cable...
US-8,189,744 Dynamic hearing/voice carry over for global text telephony
A system and method for controlling a telecommunications device capable of text telephone, and voice carry over or hearing carry over operation where transition...
US-8,189,602 Audio network system
A plurality of partial networks can work independently from each other, and each partial network connects together several nodes including a connection node for...
US-8,189,492 Error recovery in an audio-video multipoint control component
Architecture for enabling a communications endpoint to quickly recover from a packet loss, reducing duration of a signal dropout. A communications component...
US-8,187,174 Detection of when a capsule camera enters into or goes out of a human body and associated operations
A method for detecting a capsule camera entering into or exiting the GI tract, includes (a) taking a first test image under the condition that an illumination...
US-8,185,925 Digital broadcasting system and method of processing data in the digital broadcasting system
A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a baseband processor, a...
US-8,185,403 Method and apparatus for encoding and decoding an audio signal
A method and apparatus for encoding and decoding an audio signal are provided. The present invention includes receiving an audio signal including a downmix...
US-8,185,381 Unified filter bank for performing signal conversions
A unified filter bank for performing signal conversions may include an interface that receives signal conversion commands in relation to multiple types of...
US-8,185,222 Wireless audio adapter
An adapter for receiving a wireless digital signal that includes an audio signal and audio metadata concerning the audio signal from a portable electronic...
US-8,185,079 Frequency estimation immune to FM clicks
An apparatus for reducing audio clicks in frequency modulated radio system includes a receiver for receiving a frequency modulated (FM) signal, and a processor...
US-8,185,042 Apparatus and method of improving sound quality of FM radio in portable terminal
Provided are an apparatus and a method of improving the sound quality of an FM radio signal in a portable terminal. The apparatus includes: an FM radio module...
US-8,184,849 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-8,184,836 Audio apparatus
An audio apparatus inputs audio signals oriented toward a plurality of positions to speakers which output sound toward the respective positions with narrow...
US-8,184,834 Controller and user interface for dialogue enhancement techniques
A plural-channel audio signal (e.g., a stereo audio) is processed to modify a gain (e.g., a volume level or loudness) of an estimated dialogue signal (e.g.,...
US-8,184,833 Electrostatic speaker arrangement for a mobile device
A speaker is integrally formed with a multi-layered printed circuit board. The printed circuit board includes a flexible membrane layer with a conductive...
US-8,184,831 Audio playing systems
An audio playing system is provided comprising a first processing module, a second processing module, a control module, an output module, and a displaying...
US-8,184,830 Audio amplifier with simplified electrical isolation
A power amplifier that can provide electrical isolation between an input signal and an amplified output signal avoids isolation between the amplifier output and...
US-8,184,825 Vehicle remote control interface for controlling multiple electronic devices
An interface device for interconnecting fixed controls of a vehicle to electronic devices. The interface device is capable of receiving control signals from...
US-8,184,823 Headphone device, sound reproduction system, and sound reproduction method
Disclosed herein is a headphone device, including: a sound pickup section configured to pick up an external sound; a directivity setting section configured to...
US-8,184,822 ANR signal processing topology
An ANR circuit, possibly of a personal ANR device, incorporates an signal processing topology to support the provision of feedback-based ANR, feedforward-based...
US-8,184,817 Multi-channel acoustic signal processing device
Provided is a multi-channel acoustic signal processing device by which loads of arithmetic operations are reduced. The multi-channel acoustic signal processing...
US-8,184,816 Systems and methods for detecting wind noise using multiple audio sources
A method for detecting wind noise is described. At least two audio signals are received. The at least two audio signals are filtered to reduce higher...
US-8,184,814 Audio signal processing method and system
The invention makes use of impulse responses of the performance venue to process a recording or other signal so as to emulate that recording having being...
US-8,184,791 Method and system for compensating audio signals during a communication session
An approach is provided for compensating audio signals during a communication session by receiving audio signals from parties to the communication session,...
US-8,184,790 Notification of dropped audio in a teleconference call
A method enables a participant in a conference call to monitor, as he is speaking, whether his speech is getting through to the other participants. A...
US-8,184,695 Digital broadcasting transmitter, turbo stream processing method thereof, and digital broadcasting system...
A digital broadcasting transmitter, a turbo stream processing method thereof, and a digital broadcasting system having the same. The digital broadcasting...
US-8,184,660 Transparent methods for altering the video decoder frame-rate in a fixed-frame-rate audio-video multiplex structure
An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to generate a multiplexed signal at a fixed frame-rate in...
US-8,184,657 Reliable audio-video transmission system using multi-media diversity
A system and method for switching data packet traffic distribution across diverse transmission medium according to detected quality of service characteristics...
US-8,184,210 Digital Radio Frequency (RF) Modulator
A digital radio frequency (RF) modulator provides modulation for base-band TV signals. The RF modulator provides direct conversion of digital base-band audio...
US-8,184,201 Method and apparatus for automatic audio standard detection in terrestrial broadcast signals employing...
A method and apparatus for automatic audio standard detection in terrestrial broadcast signals is disclosed. In one embodiment, a method of detecting automatic...
US-8,184,180 Spatially synchronized audio and video capture
An audio/video (A/V) capture device and method that capture audio and video in a spatially synchronized manner. In one implementation, the device and method...
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