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Searching: audio signal





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Patent # Description
US-8,258,391 Music transcription
Methods, systems, and devices are described for automatically converting audio input signal data into musical score representation data. Embodiments of the...
US-8,255,957 Method and apparatus for synchronizing local and remote audio and video program sources
A method and apparatus for eliminating the apparent delays in a televised presentation between local program content and delayed program content received from a...
US-8,255,821 Method and an apparatus for decoding an audio signal
An apparatus and method for processing an audio signal are discussed. According to an embodiment, the apparatus includes a receiving unit receiving a downmix...
US-8,255,693 Methods and devices responsive to ambient audio
A portable device uses a microphone to listen to ambient audio, derives data from captured audio signals, and uses the derived data to request delivery of the...
US-8,255,231 Encoding and decoding of audio signals using complex-valued filter banks
An encoder (109) comprises a receiver (201) which receives a time domain audio signal. A filter bank (203) generates a first subband signal from the time domain...
US-8,255,228 Efficient use of phase information in audio encoding and decoding
An efficient encoded representation of a first and a second input audio signal can be derived using correlation information indicating a correlation between the...
US-8,255,211 Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
Certain types of parametric spatial coding encoders use interchannel amplitude differences, interchannel time differences, and interchannel coherence or...
US-8,255,210 Audio/music decoding device and method utilizing a frame erasure concealment utilizing multiple encoded...
An audio/music decoding device capable of improving quality of a decoded signal generated by conceal processing of a frame erase using a scalable encoding...
US-8,255,208 Codebook segment merging
Provided are, among other things, systems, methods and techniques for merging entropy codebook application ranges within an audio signal. According to one...
US-8,255,178 Method for detecting statuses of components of semiconductor equipment and associated apparatus
An apparatus for detecting an operational status of a semiconductor equipment includes an audio frequency signal receiving unit and an analysis and...
US-8,254,759 Broadcasting signal processing apparatus and method thereof for recording and reproducing with respect to hard...
A broadcast signal processing apparatus that is capable of recording and reproducing an externally received broadcast signal with respect to a hard disc drive,...
US-8,254,756 Method and apparatus for reducing and restoring the effectiveness of a commercial skip system
A method and apparatus is disclosed which reduces or removes the effectiveness of commercial skip systems such as presently found in VCRs, PVRs, etc. which are...
US-8,254,623 Image display device
An image display device includes a housing including a front cabinet and a back cabinet. Inside the housing, arranged are a flat display panel, a speaker which...
US-8,254,600 Method and an apparatus for decoding an audio signal
The present invention relates to an apparatus for processing an audio signal and method thereof. The present invention includes receiving a downmix signal...
US-8,254,598 Programmable integrated microphone interface circuit
An integrated circuit for providing programmable microphone interface includes an input terminal for receiving an input signal and an output terminal for...
US-8,254,597 Audio signal processing circuit
Plural variable gain amplifiers amplify audio signals of plural channels for each channel. An interface receives, from outside, plural gain control data...
US-8,254,592 Electronic device and external equipment with configurable audio path circuitry
Electronic devices and accessories such as headsets are provided. An accessory may include speakers and active noise cancellation circuitry. Microphones may be...
US-8,254,590 System and method for intelligibility enhancement of audio information
A method for processing an input signal to create an enhanced output signal includes obtaining an envelope of the input signal, determining a logarithm signal...
US-8,254,572 Secure provisioning of a portable device using a representation of a key
A portable device initially accesses a secure server and requests a certificate. The secure server generates a random key and encodes the generated key to...
US-8,254,560 Oscillation-echo preventing circuit and microphone/speaker unit
An oscillation-echo preventing circuit has a microphone/speaker unit and a voltage-canceling circuit for canceling voltages of audio receive signals. The...
US-8,253,865 Audio/video entertainment system and method
The preferred embodiment of the present invention provides a system and method for programming and/or charging one or more audio/video devices such that the...
US-8,253,864 Method of viewing a data broadcast and a receiver for implementing the same
A device for receiving broadcast signal is disclosed. More specifically, the device includes an user interface (132) configured to provide at least one command...
US-8,253,857 Broadcasting receiving apparatus
The portable player is connected to a first connector, and the PC is connected to a second connector. A first connection detecting unit detects whether the...
US-8,253,772 Method, apparatus and system for incorporating voice or video communication into a television or compatible...
Voice or video communication is incorporated into a television or compatible audio capable visual display by routing a television signal through a communication...
US-8,253,750 Digital media processor
Circuits, methods, and apparatus that provide highly integrated digital media processors for digital consumer electronics applications. These digital media...
US-8,253,593 Traffic light system and method for using the same
A traffic light system includes a traffic light unit and at least one reminding unit. The traffic light unit includes a plurality of traffic lights, a detecting...
US-8,253,006 Method and apparatus to automatically match keys between music being reproduced and music being performed and...
A method to automatically match keys between music being reproduced and music being performed includes detecting a key from an audio signal being reproduced...
US-RE43,610 Digital FM radio system
The present invention is for a high quality digital FM radio system that utilizes the subcarrier band to generate digital audio signals. The hybrid FM radio...
US-8,250,620 System and method for sharing information between a concierge and guest
A novel mechanism is disclosed by which a sender can direct information such as an audiovisual signal to a particular recipient's audiovisual display device,...
US-8,250,595 Utilizing an audio signal to monitor a program with a technique that is operable even during a mute mode
An apparatus for monitoring a program signal received from a broadcast source that is to be performed by reproduction equipment, wherein an audio portion of the...
US-8,249,882 Decoding apparatus and decoding method
A decoding apparatus that decodes a first encoded data that is encoded into a first time range from a low-frequency component of an audio signal, and a second...
US-8,249,872 Skipping radio/television program segments
Techniques for notifying at least one entity of an occurrence of an event in an audio signal are provided. At least one preference is obtained from the at least...
US-8,249,870 Semi-automatic speech transcription
A semi-automatic speech transcription system of the invention leverages the complementary capabilities of human and machine, building a system which combines...
US-8,249,868 Speech and noise models for speech recognition
An audio signal generated by a device based on audio input from a user may be received. The audio signal may include at least a user audio portion that...
US-8,249,865 Adaptive data transmission for a digital in-band modem operating over a voice channel
In one example, a mobile device encodes a digital bitstream using a particular set of modulation parameters to generate an audio signal that has different audio...
US-8,249,863 Method and apparatus for estimating spectral information of audio signal
An apparatus and method for estimating audio signal spectrum information. The method including the steps of performing a morphological operation on a received...
US-8,249,862 Audio processing apparatuses
An audio processing apparatus is provided. A beamformer receives input signals and processes the input signals to generate a first processed signal. The input...
US-8,249,861 High frequency compression integration
A speech enhancement system that improves the intelligibility and the perceived quality of processed speech includes a frequency transformer and a spectral...
US-8,249,730 Systems and methods for shadowing an HDA codec
Systems and methods for "shadowing" a target codec to provide additional features that are not available in the target codec. In one embodiment, an audio...
US-8,249,674 Portable electronic device
An exemplary portable electronic device includes a main body, a cover member movably connected with the main body, a sensing unit, a signal processing unit, an...
US-8,249,672 Transmission plug and related complex earphone and radio player
A transmission plug for a complex earphone is disclosed. The complex earphone is capable of receiving a broadcast signal and sending out an audio signal. The...
US-8,249,671 Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic...
A mobile wireless communications device includes a housing and circuit board carried by the housing and having radio frequency (RF) circuitry and a processor...
US-8,249,559 Promotion operable recognition system
Embodiments describe a recognition system that works in conjunction with a subscriber's cellular phone and the network serving the subscriber. According to an...
US-8,249,284 Hearing system and method for deriving information on an acoustic scene
The invention relates to a method for operating a hearing system comprising an input unit, an output unit and a transmission unit operationally interconnecting...
US-8,249,278 Audio signal processing system
In an audio signal processing system, a plurality of audio signal processing apparatuses are previously linked to form a zone, and logically defined as devices...
US-8,249,275 Modulated gain audio control and zipper noise suppression techniques using modulated gain
A modulated gain audio control and zipper noise suppression techniques provide reduction in audible artifacts caused by discrete-valued gain changes. The gain...
US-8,249,274 Audio amplifier with timing circuit to power down bias control and amplifying circuits in sequence
An audio amplifier includes a timing control circuit, an amplifying circuit, and a bias control circuit. The timing control circuit generates a first power down...
US-8,249,272 Audio playback apparatus
An audio playback apparatus is disclosed. The audio playback apparatus processes an audio signal and provides at least one output signal to at least one speaker...
US-8,249,265 Method and apparatus for achieving active noise reduction
A system and method for actively changing the sound perceived by listeners in an audio environment. A single transducer is used as both a sensing microphone and...
US-8,249,263 Method and apparatus for providing audio motion feedback in a simulated three-dimensional environment
Embodiments of the invention provide method, system, and computer readable storage medium for providing an audio motion feedback to a user of a simulated...
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