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Searching: audio signal





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Patent # Description
US-8,001,290 Vehicle computer system with audio entertainment system
A vehicle computer system has an audio entertainment system implemented in a logic unit and audio digital signal processor (DSP) independent from the host CPU....
US-8,000,976 Speech band extension device
A speech band extension device (100), which generates an audio signal capable of realizing natural audibility after speech band extension, includes a...
US-8,000,975 User adjustment of signal parameters of coded transient, sinusoidal and noise components of...
A method and apparatus for decoding a parametric-encoded audio signal are provided. According to the present invention, parameters extracted from a bitstream of...
US-8,000,968 Method and apparatus for switching speech or audio signals
A method and an apparatus for switching speech or audio signals, wherein the method for switching speech or audio signals includes when switching of a speech or...
US-8,000,967 Low-complexity code excited linear prediction encoding
Information about excitation signals of a first signal encoded by CELP is used to derive a limited set of candidate excitation signals for a second correlated...
US-8,000,960 Packet loss concealment for sub-band predictive coding based on extrapolation of sub-band audio waveforms
A technique is described for concealing the effect of a lost frame in a series of frames representing an encoded audio signal in a sub-band predictive coding...
US-8,000,824 Audio reproducing apparatus
An audio signal processing apparatus includes a high-pass filter for extracting from an audio signal a frequency component higher than f0, n band-pass filters...
US-8,000,822 Audio reproducing apparatus, audio reproducing method, and audio reproducing processing program
An easy-to-use and user-friendly apparatus is provided that displays motivation for exercise to a user to allow the user to continue comfortably exercising. An...
US-8,000,821 Audio communication unit and integrated circuit
An audio communication unit comprises a receiver for receiving an audio signal, a sigma-delta modulator operably coupled to the receiver and arranged to...
US-8,000,771 Method and apparatus for catheterization by detecting signals indicating proximity to anatomical features
A guiding catheter for use in medical procedures includes a flexible shaft with one or more audio transducers and a distal tip. An audio signal may be sent to...
US-8,000,729 Mobile to mobile text messaging using keyed modulation
A text messaging system conveys text messages between a sender and a recipient in a wireless carrier network. A sender mobile handset includes manual input for...
US-8,000,677 Ensuring EAS performance in audio signal encoding
An encoding system for encoding a first ancillary code in media data and monitoring for reception of a second ancillary code that has a higher priority than the...
US-8,000,609 Communicating or reproducing an audible sound
The present invention relates to the communication or reproduction of sound, in particular audible sound. There is provided a method of communicating a sound,...
US-8,000,586 Video player
The present invention discloses a video player, comprising a decoding and control unit for outputting decoded video and audio signals; a storing unit for...
US-8,000,543 Pre-processed information embedding system
Auxiliary information (150) representing binary or multi-level (M.gtoreq.2) logical values is embedded into successive segments (110) of an audio, video or...
US-8,000,487 Frequency translation by high-frequency spectral envelope warping in hearing assistance devices
Disclosed herein, among other things, is a system for frequency translation by high-frequency spectral envelope warping in hearing assistance devices. The...
US-8,000,485 Virtual audio processing for loudspeaker or headphone playback
There are provided methods and an apparatus for processing audio signals. According to one aspect of the present invention there is included a method for...
US-8,000,355 Interface circuit
A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a...
US-8,000,319 Multipoint multimedia/audio conference using IP trunking
A multipoint communication system uses Internet protocol trunking to facilitate communication between media control units (for sending and receiving multipoint...
US-7,999,610 Class D amplifier capable of setting restraint power
A Class D amplifier capable of setting restraint power is provided, which comprises: an audio amplification unit, a pulse width modulation (PWM) unit, a first...
US-7,997,140 Method and apparatus for troubleshooting noise/vibration issues of rotating components
There is provided a method for troubleshooting noise/vibration issues of rotating components, the method comprising: receiving an audio signal of the rotating...
US-RE42,627 Encoding and decoding of information in audio signals
Systems and methods are provided for decoding a message symbol in an audio signal. This message symbol is represented by first and second code symbols displaced...
US-RE42,613 Rechargeable universal remote control assembly
A rechargeable universal remote control assembly for providing a multi-function multipurpose remote control with a base charger, remote control finder, and...
US-7,996,866 Data broadcast method
A system for providing requested data sets of broadcast data service transmitted as part of a broadcast signal, including a broadcast headend configured to...
US-7,996,750 Lip synchronization system and method
A system and method for correcting so-called "lip sync" errors is provided, using a synchronization test signal comprising a video signal including a colorbar...
US-7,996,567 Audio processing
A network interface device connectable to a network, the device being arranged to receive digital audio data representing an audio signal and, substantially in...
US-7,996,234 Method and apparatus for adaptive variable bit rate audio encoding
A method and apparatus for producing a variable bit rate audio signal is disclosed. An audio signal is encoded into a plurality of encoded audio signals at...
US-7,996,232 Recognition of voice-activated commands
Systems and methods for voice activated commands in a digital home communication terminal are disclosed. One example method includes storing a program audio...
US-7,996,216 Apparatus and method of encoding and decoding audio signal
In one embodiment, at least first and second channels in a frame of the audio signal are independently subdivided into blocks if the first and second channels...
US-7,996,212 Device, method and computer program for analyzing an audio signal
A hardware device for analyzing an audio signal comprises a calculator for calculating a neural activity pattern over time resulting at nerve fibers of an ear...
US-7,996,040 System, method and computer program product for providing a cellular telephone system with an integrated...
A cell phone communication system for transferring television audio and video data signals received from a television service provider to a peripheral device....
US-7,995,898 Audio relay apparatus and audio relay method
An audio relay apparatus and an audio relay method can relay audio data without being restricted by the reception capacity for receiving audio signals of a...
US-7,995,780 Hearing aid with feedback cancellation
A hearing aid includes a hearing aid housing enclosing a microphone for converting sound into an audio signal, first feedback compensation means for providing a...
US-7,995,775 Automatic volume control for audio signals
A technique is provided for automatically adjusting the volume, or magnitude, of an audio signal. The technique includes calculating an average power associated...
US-7,995,773 Methods for processing audio input received at an input device
A method for processing an audio signal received through a microphone array coupled to an interfacing device is provided. The method is processing at least in...
US-7,995,770 Apparatus and method for aligning and controlling reception of sound transmissions at locations distant from...
A receiver and method is for receiving wireless transmissions including program data and locating data, and for determining its location from the locating data,...
US-7,995,713 Voice-identification-based signal processing for multiple-talker applications
The audio signals associated with different co-located groups of talkers in a teleconference are detected (e.g., by comparing the voiceprint for the current...
US-7,995,673 Program and data alerts and auxiliary datastreams in a multichannel broadcast system
A system and method (130, 135 and 140) for a user of a multichannel broadcasting service listening to a particular channel provides alerts about the content...
US-7,995,069 Graphics system with embedded frame buffer having reconfigurable pixel formats
A graphics system including a custom graphics and audio processor produces exciting 2D and 3D graphics and surround sound. The system includes a graphics and...
US-7,994,857 Dynamic constant power amplifier
A switching amplifier including a voltage sensor circuit connected to a high voltage supply rail for measuring the power supply voltage. A current sensor...
US-7,994,409 Method and apparatus for editing and mixing sound recordings
The present disclosure relates to audio mixing and editing devices and methods. A system is provided that permits mixing of and editing of multiple input audio...
US-7,992,003 Methods and systems for inserting watermarks in digital signals
The presently claimed invention relates generally to steganographic encoding and digital watermarking. One claim recites a method including identifying at least...
US-7,991,896 Gesturing to select and configure device communication
Described is a technology by which a gesture made with a source device (e.g., a cellular telephone), such as a throwing or pointing motion, is used to...
US-7,991,622 Audio compression and decompression using integer-reversible modulated lapped transforms
A "STAC Codec" provides lossless audio compression and decompression by processing an audio signal using integer-reversible modulated lapped transforms (MLT) to...
US-7,991,621 Method and an apparatus for processing a signal
An apparatus for processing an encoded signal and method thereof are disclosed, by which an audio signal can be compressed and reconstructed in higher...
US-7,991,611 Speech encoding apparatus and speech encoding method that encode speech signals in a scalable manner, and...
An audio encoding device for correcting a component having insufficient encoding capability in a core layer by an extended layer. A core layer encoder encodes...
US-7,991,495 Method and apparatus for processing an audio signal
A method for processing an audio signal, comprising the steps of extracting an ancillary signal for generating the audio signal and an extension signal included...
US-7,991,494 Method and apparatus for processing an audio signal
A method for processing an audio signal, comprising the steps of extracting an ancillary signal for generating the audio signal and an extension signal included...
US-7,991,356 Wireless handset and wireless headset with wireless transceiver
A wireless handset or wireless headset includes a Bluetooth transceiver that is coupleable to an external Bluetooth compatible device, that sends the first...
US-7,991,350 Apparatus and method for audio output in portable terminal
An apparatus and method for outputting audio in a portable terminal are provided. The apparatus includes a communication module for transmitting/receiving a...
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