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Searching: audio signal





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Patent # Description
US-8,050,425 Audio signal supplying device, parameter providing system, television set, AV system, speaker apparatus, and...
An audio signal supplying device includes a connection terminal which is connected to a speaker unit and which outputs an audio signal to the speaker unit, a...
US-8,050,424 Speaker system, audio amplifier and audio system
Speaker system is constructed of a plurality of speakers each including a bass-reflex type cabinet. The speaker system is designed to differentiate a low-band...
US-8,050,423 Integrated circuit device and audio system
An n-channel integrated circuit device (n is an integer of 1 or greater) for muting an audio signal includes a control circuit configured to generate a control...
US-8,050,422 Audio test apparatus capable of decreasing noise influence in process of audio device testing and method thereof
A audio test method for decreasing noise influence, which includes the following steps: obtaining analog signals; converting the analog signals into digital...
US-8,050,418 Update system for an audio amplifier
A system and method for updating the software of a digital audio amplifier. The digital data used to update the amplifier's software is transmitted as an analog...
US-8,050,415 Method and apparatus for detecting audio signals
A method and an apparatus for detecting audio signals are disclosed. The input audio signal is detected to determine whether it is a background frame. The...
US-8,050,412 Scaling adjustment to enhance stereo separation
A demodulator (10) converts television signals to video baseband signals and audio baseband signals including stereo signals representing a right channel signal...
US-8,050,299 Data transmitting apparatus and method
A ground station multiplexes audio digital data of a plurality of audio broadcasts, GUI data, and download audio data and transmits the multiplexed signal to a...
US-8,050,203 Multi-channel digital wireless audio system
In a multi-channel digital wireless audio system with at least one transmit node and at least one receive node, each node can both receive and transmit digital...
US-8,050,142 Sound collection environment deciding device, sound processing device, electronic appliance, sound collection...
A sound collection environment deciding device for deciding whether the sound was collected in air or in water by utilizing an audio signal of collected sound...
US-8,049,091 Wireless receiver
A wireless receiver for receiving a wireless transmitted audio signal from a wireless transmitter is provided. The wireless receiver comprises a tuning...
US-8,047,599 Automobile and sun visor thereof
A sun visor includes a main body, a television module, a display and a solar panel. The television module is located in the main body to receive television...
US-8,046,688 System for and method of adjusting tempo to match audio events to video events or other audio events in a...
The system and method herein adjust tempo of an audio recording to match audio events to video events or other audio events in an audio-visual recording. The...
US-8,046,674 Internet browsing system
An apparatus for Internet browsing and other Internet-interactive activities, comprises: a camera focusing on a printed hypertext document for generating video...
US-8,046,223 Apparatus and method of voice recognition system for AV system
To improve the accuracy of the voice recognition system for an AV system, the present invention includes a reflected sound remover having a plurality of...
US-8,046,217 Geometric calculation of absolute phases for parametric stereo decoding
An audio decoder which reproduces original signals from a bit stream including (i) a downmix signal of the original signals, and (ii) supplementary information...
US-8,046,215 Method and apparatus to detect voice activity by adding a random signal
A method and apparatus to detect voice activity by using a zero-crossing rate includes removing noise included in an audio signal, adding a random signal having...
US-8,046,214 Low complexity decoder for complex transform coding of multi-channel sound
A multi-channel audio decoder provides a reduced complexity processing to reconstruct multi-channel audio from an encoded bitstream in which the multi-channel...
US-8,046,094 Audio reproducing apparatus
An audio reproducing apparatus includes: a decoding module configured to perform a decoding process on a digital broadcast signal demodulated by a demodulating...
US-8,046,093 System and method for enhanced streaming audio
A system and method for enhancement and management of streaming audio is disclosed. In one embodiment, the system provides a client-side decoder that is...
US-8,046,092 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving the audio signal having configuration information and multi-channels, and reading a first indicator from the...
US-8,046,040 Pulse oximetry data confidence indicator
According to some embodiments of the present invention, a display is used to show an indication of the signal's quality. This indication of the signal's quality...
US-8,045,921 Audio delivery system and method for mobile phone
A wireless audio delivery system and method are disclosed for distributing an audio signal to a plurality of headsets through short range wireless communication...
US-8,045,919 Electromagnetic/acoustic underwater communications system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,045,840 Video-audio recording apparatus and method, and video-audio reproducing apparatus and method
A video-audio recording and reproducing apparatus (101) has a built-in stereo microphone (21a, 21b) and an external microphone connection terminal (32). The...
US-8,045,730 Methods and systems for reducing acoustic echoes in communication systems
Various embodiments of the present invention are directed to methods and systems that reduce acoustic echoes in audio signals in accordance with changing...
US-8,045,728 Conference audio system
It is possible to shorten a delay time from utterance to output from a speaker even in a conference audio system including an automatic mute release device. An...
US-8,045,726 Noise-cancelling headphone
A noise-cancelling headphone includes a cancel signal generator that receives ambient noise via an electro-acoustic transducer and generates and outputs a...
US-8,045,725 Vehicle interior active noise cancellation
A vehicle has an electric drive mode, a body defining a vehicle interior, a first and second set of audio speakers positioned outside and inside of the...
US-8,045,721 Dynamic distortion elimination for output audio
A method (200) for improving quality of output audio (126). The method can include detecting an output acoustic signal (128) and generating a receive audio...
US-8,045,720 Method for dynamic determination of time constants, method for level detection, method for compressing an...
The invention provides a method for dynamic determination of time constants to be used in a detection of the signal level of an input signal of unknown level in...
US-8,045,719 Rendering center channel audio
An audio upmixer, such as a two-channel to three-channel upmixer, employs a difference in a measure of sound at the ears of a listener in accordance with first...
US-8,044,778 Injection device and case with reporting ability
A container for a product uses a location circuit for determining the location of the container, a storage element for storing a container identification code,...
US-8,044,707 VDD/5 or VDD/6 charge-pump
Systems and methods to achieve a charge pump for generating from single supply voltage energy efficient supply voltages having a value of .+-.1/6 Vdd, .+-.1/5...
US-8,042,049 User interface for multi-device control
A control server, or similar central processor, manages the distribution of data (including audio and video), voice, and control signals among a plurality of...
US-8,041,577 Method for expanding audio signal bandwidth
A method expands a bandwidth of an audio signal by determining a magnitude time-frequency representation |G(.omega., t) for example audio signals g(t). A set of...
US-8,041,563 Apparatus for coding a wideband audio signal and a method for coding a wideband audio signal
Activity is determined for each frequency band in a frame, and when it is determined that an activity-OFF state has not continued for a predetermined number of...
US-8,041,562 Constrained and controlled decoding after packet loss
A technique is described herein for reducing audible artifacts in an audio output signal generated by decoding a received frame in a series of frames...
US-8,041,540 System, device, and method for acoustic and visual monitoring of a wind turbine
A method for monitoring a wind turbine. A monitoring signal, including an audio signal and/or an image signal, is received from a monitoring device. Operating...
US-8,041,438 Data-driven media management within an electronic device
A method and apparatus for intelligently routing and managing audio signals within an electronic device is disclosed. The routing is responsive to a set of...
US-8,041,180 Hardware apparatus and method having video/audio encoding and multiplexing functionality
The apparatus includes a video signal acquisition device, an audio signal acquisition device, a time information processing device, a video signal encoding...
US-8,041,073 Decoding watermark information items of a watermarked audio or video signal using correlation
Watermark information consists of several data symbols which are embedded continuously in an audio or a video signal using modulation with a pseudo-random...
US-8,041,072 Audio output apparatus and method
An audio output apparatus for converting an input audio signal into audio and outputting the audio includes a first oscillation enhancing panel for outputting...
US-8,041,066 Wireless system for hearing communication devices providing wireless stereo reception modes
The present subject matter relates to the wireless stereo reception of first and second audio information by wireless hearing communication devices. One type of...
US-8,041,062 Personal sound system including multi-mode ear level module with priority logic
A personal sound system is described that includes a wireless network supporting an ear-level module, a companion module and a phone. Other audio sources are...
US-8,041,061 Dipole and monopole surround sound speaker system
A speaker system utilizes dipole speaker drivers in conjunction with monopole speaker drivers in a listening area to disperse a surround sound effect to a...
US-8,041,058 Audio processing with time advanced inserted payload signal
Audio processing apparatus in which a payload signal is inserted into a primary audio signal comprises a noise generator operable to generate a noise signal in...
US-8,041,057 Mixing techniques for mixing audio
This disclosure describes audio mixing techniques that intelligently combine two or more audio signals into an output signal. The techniques allow audio to be...
US-8,041,055 Method and apparatus for automatically adjusting reminder volume on a mobile communication device
A method and apparatus for automatically adjusting volume of an audio signal on a mobile device, comprising playing the audio signal at an initial volume,...
US-8,041,052 Circuit for priority selection of audio signals
An audio selection circuit. The audio selection circuit includes a control/switch circuit having a first input, a second input, and a first output, and a signal...
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