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Searching: audio signal





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Patent # Description
US-7,796,583 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 processing...
US-7,796,565 Mixed voice and spread spectrum data signaling with multiplexing multiple users with CDMA
Systems, methods, and devices for mixed voice and spread spectrum data signaling with spread spectrum data hiding with CDMA (Code Division Multiple Access) for...
US-7,796,195 Circuit for eliminating abnormal sound
A circuit for eliminating abnormal sound includes a video/audio processor, a D/A converter, a front-stage mute circuit, a changing delay device, a front-stage...
US-7,795,969 Digital amplifier
Recently, the use of class D audio amplifiers has become more and more widespread. In contrast to the generally employed class A-B linear amplification...
US-7,795,962 Method and apparatus to correct an error in a switching power amplifier
An error correction method and apparatus to enhance performance of a switching power amplifier through digital feedback of an audio pulse width modulation (PWM)...
US-RE41,702 Automatic headset hookswitch
A headset storage device includes a headset cradle, a switch and a manual override device. The headset cradle has two positions: a first position when the...
US-7,793,327 Terminal device and method for using different services offered via a telecommunications network
A terminal device for using different services offered via a telecommunications network includes at lest one receiving device for image and sound information, at...
US-7,792,820 System for intelligent consumer earcons
A system for implementing intelligent consumer earcons, includes: one or more communication devices for carrying out conversations between users and for playing...
US-7,792,696 Method and apparatus for allowing a broadcast to remotely control a computer
The present invention disclosed and claimed herein comprises a system and method for launching an advertisement on a computer having an audio input interface and...
US-7,792,681 Time-scale modification of data-compressed audio information
A data-compressed audio waveform is temporally modified without requiring complete decompression of the audio signal. Packets of compressed audio data are first...
US-7,792,679 Optimized multiple coding method
The invention relates to the compression coding of digital signals such as multimedia signals (audio or video), and more particularly a method for multiple...
US-7,792,675 System and method for automatic merging of multiple time-stamped transcriptions
A system for automatically merging multiple time-stamped transcriptions is provided. The system includes a transcription server for receiving a signal having...
US-7,792,668 Slot position coding for non-guided spatial audio coding
Spatial information associated with an audio signal is encoded into a bitstream, which can be transmitted to a decoder or recorded to a storage media. The...
US-7,792,524 iPort controller
A multi-zone audio system is provided that is portable to a handheld audio device at a plurality of locations. The system includes a multi-zone audio system...
US-7,792,511 Security system with dynamic range enhancement for FM demodulation
A system and method for communicating between a base and a remote device in a security system. The base receives an audio signal from a telephone network via a...
US-7,792,498 Apparatus for and method of automatic radio link establishment
A novel and useful mechanism for automatically establishing a radio link between a communications device and a commercially available FM radio receiver, thereby...
US-7,792,416 Encoding apparatus of audio signal, audio disc and disc reproducing apparatus
DVD-video data and DVD-audio data are recorded in a DVD-Avd disc. The DVD-audio data is composed of an audio manager having an audio manager information, an...
US-7,792,311 Method and apparatus for automatically enabling subwoofer channel audio based on detection of subwoofer device
Techniques for processing input signals in accordance with an output configuration are disclosed. According to one aspect of the techniques, a module implemented...
US-7,792,310 Method and apparatus for automatically setting speaker mode in audio/video system
A method and apparatus for automatically determining a characteristic of a speaker and automatically setting a speaker mode in an audio/video system. The method...
US-7,792,308 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,792,307 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,792,306 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,792,305 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,792,304 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,792,293 Method and apparatus for modifying a subsequently generated control command in a content control system
In record or content control management systems, various selected reference, record control, copy protection or control information signals, or other signifiers,...
US-7,792,281 Delay estimation and audio signal identification using perceptually matched spectral evolution
A signal identification method comprises receiving an incoming signal having incoming frames; receiving an outgoing signal having outgoing frames; extracting...
US-7,792,152 Scheme for transmitting video and audio data of variable formats over a serial link of a fixed data rate
A flexible framing format and implementation scheme for transmitting uncompressed video data selected from a group of various video formats, audio data and...
US-7,792,062 System and method for supporting conferencing capabilities over packet-switched networks
An IP telephone which supports a voice conference call with a plurality of other IP telephones over a packet-switched network is disclosed. The IP telephone...
US-7,791,551 Wireless audio signal receiver device for a hearing instrument
A receiver device for receiving audio signals from a remote source has a magnetic loop antenna for receiving radio frequency signals carrying audio signals, a...
US-7,791,471 Item locator system utilizing item and location bar codes
An item location system uses voice activation and responsiveness to identify location(s) of item(s) sought by a user. The system may include a continuous speech...
US-7,791,427 Systems and methods to minimize startup transients in class D amplifiers
Systems and methods for minimizing startup transients in digital audio controllers that may result in audible artifacts in the output of an audio amplification...
US-7,789,800 Methods and systems for controlling an exercise apparatus using a USB compatible portable remote device
A portable system retrieves one or more exercise programs from a remote communication system that provides motivational content for a user exercising upon an...
US-7,788,815 Prism pole with direct readout
A prism pole has a tubular housing having an open top, a flange at the open top, a bottom portion for contacting ground soil, a height-adjustable rod insertable...
US-7,788,545 Broadcast receiving device
A broadcast receiving device includes a card slot, a fan, a temperature sensor, a memory component and a control unit. The card slot accepts an IC card. The fan...
US-7,788,412 Display system and method
A display system and method are disclosed. The system comprises a data transmitting apparatus built in a computer and a data receiving apparatus connected to a...
US-7,788,107 Method for decoding an audio signal
The invention relates to a method for decoding an audio signal, to allow an audio signal to be compressed and transferred more efficiently. The inventive method...
US-7,788,095 Method and apparatus for fast search in call-center monitoring
A method and apparatus for indexing one or more audio signals using a speech to text engine and a phoneme detection engine, and generating a combined lattice...
US-7,788,090 Combined audio coding minimizing perceptual distortion
An audio encoder in which two or more preferably different encoders cooperate to generate a joint encoded audio signal. Encoding parameters of the two or more...
US-7,787,975 Restoring audio signals
Methods, systems, and apparatus, including computer program products, for restoring audio signals. A data sequence of samples representing an audio signal is...
US-7,787,957 Auto-referencing mixed-mode phase locked loop for audio playback applications
Audio streaming is made available throughout the signal processing path of the speech processor of a cochlear implant or other audio signal processor. Audio...
US-7,787,956 Generation of electrical stimuli for application to a cochlea
A method for processing sound signals to generate electrical stimuli for an auditory prosthesis electrode array including a plurality of electrodes, the method...
US-7,787,822 FM-jam device and kit
An FM-Jam device features a sonic character transformation module in combination with an FM transmitter module. The sonic character transformation module...
US-7,787,639 Circuit for suppressing audio noise
A circuit for suppressing audio noise having a common node electrically connected to an output terminal of a preamplifier and an input terminal of a...
US-7,787,638 Method for reproducing natural or modified spatial impression in multichannel listening
The invention concerns a method for reproducing spatial impression of existing spaces in multichannel or binaural listening. It consists of following...
US-7,787,634 Musical distortion circuits
Musical distortion circuits are presented, typically for use with electric guitars, other electronic musical instruments or other sources of audio signals. In...
US-7,787,632 Support of a multichannel audio extension
The invention relates to methods and units supporting a multichannel audio extension. In order to allow an efficient extension requiring a low computational...
US-7,787,631 Parametric coding of spatial audio with cues based on transmitted channels
A binaural cue coding scheme in which cue codes are derived from the transmitted audio signal. In one embodiment, an encoder downmixes C input channels to...
US-7,787,605 Conference bridge which decodes and responds to control information embedded in audio information
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-7,786,796 Audio amplifier
An audio amplifier including a differential mode integrator, a first comparator, a second comparator, a logic circuit and a driving unit is provided. The...
US-7,784,935 Eyewear with removable audio system
Eyewear includes a left temple and a right temple. Each of the temples has a cavity sized to receive an audio device such as a BlueTooth transceiver configured...
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