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Searching: audio signal





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Patent # Description
US-8,054,053 Audio apparatus, switching power supply, and switching control method
When power is turned on and in a state in which a power supply voltage is not supplied from the switching power supply to the second clock generating section,...
US-8,052,480 Pentagon arrangement of multiple pin connectors
A connector for electrically connecting an electronic device to another device includes an outer shell with a front surface that terminates at a front side of...
US-RE42,904 System and apparatus for dynamically generating audible notices from an information network
An apparatus and method for converting information from a text format to an audio format using distributed processing. A first set of computer readable program...
US-8,051,294 Methods for audio watermarking and decoding
The presently claimed invention relates generally to encoding and decoding audio signals to include auxiliary information. One example encoding technique...
US-8,050,934 Local pitch control based on seamless time scale modification and synchronized sampling rate conversion
This invention locally controls the pitch of speech and audio signals. The invention is based on a seamless time scale modification (S-TSM) scheme connected to...
US-8,050,933 Audio coding system using temporal shape of a decoded signal to adapt synthesized spectral components
A receiver in an audio coding system receives a signal conveying frequency subband signals representing an audio signal. The subband signals are examined to...
US-8,050,915 Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear...
In one embodiment, sample information and frame length information are obtained from the audio signal. The sample information indicates a total number of audio...
US-8,050,706 Terminal and method for controlling its audio alarm
The present invention discloses a terminal and a method for controlling audio alarm of the terminal. The method comprises detecting whether a valid wireless...
US-8,050,646 Noise suppressing device
To provide a noise suppressing device which accurately suppresses weak electric field strength pulse noise. A band-limiting unit (5) band-limits a composite...
US-8,050,572 Receiver and electronic device
An abnormal pulse detection circuit in a receiver of the present invention includes: an incoming pulse edge detection circuit which detects the moment of rise...
US-8,050,452 Quantization-based data embedding in mapped data
Novel methods and systems for quantization based data embedding and reading in host signals, such as image, audio and video signals. To embed auxiliary data in...
US-8,050,437 BTE/CIC auditory device and modular connector system therefor
An earpiece auditory device is described which includes a behind-the-ear component shaped to fit behind the ear of a user. The behind-the-ear component can also...
US-8,050,434 Multi-channel audio enhancement system
A method for processing audio signals can include receiving left and right front audio signals, where the left and right front audio signals including...
US-8,050,428 Audio signal transmission circuit
An exemplary audio signal transmission circuit includes a codec to provide analog and digital audio signals; an amplifier connected to the codec to receive the...
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...
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