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Searching: audio signal
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| Patent # | Description |
|---|---|
| US-8,301,453 |
Watermark synchronization signals conveying payload data Steganographic synchronization signals (sometimes termed "orientation signals," "marker signals," reference signals," "grid signals," "calibration signals,"... |
| US-8,301,440 |
Bit error concealment for audio coding systems A bit error concealment (BEC) system and method is described herein that detects and conceals the presence of click-like artifacts in an audio signal caused by... |
| US-8,301,439 |
Method and apparatus to encode/decode low bit-rate audio signal by
approximiating high frequency envelope with... A method of encoding a low bit-rate audio signal includes quantizing and encoding a plurality of low frequency sub-bands of an audio signal in a frequency... |
| US-8,301,366 |
Vehicle speed determination from audio input for dead reckoning
determination in a portable navigation device A portable navigation device displaying map information and navigation instructions for use in a vehicle is disclosed. The portable navigation device includes a... |
| US-8,301,282 |
Fast synthesis sub-band filtering method for digital signal decoding In order to reproduce audio signals which have been compressed or encoded for storage or transmission using, for example, MPEG audio encoding, a synthesis... |
| US-8,301,281 |
High-frequency signal interpolation apparatus and high-frequency signal
interpolation method A favorable high-frequency signal is generated and practical high-frequency signal interpolation is implemented through simple processing. A digital audio... |
| US-8,301,280 |
Audio signal processing system In an audio signal processing device having a plurality of tracks recording an audio signal supplied from any of a plurality of buses, when a track is selected... |
| US-8,301,279 |
Signal processing apparatus, signal processing method, and program
therefor A signal processing apparatus subjects an audio signal to musical pitch analysis using different analysis techniques for the higher and lower frequencies. When... |
| US-8,301,161 |
Method, device, and system for obtaining a mobile computing device
location One embodiment of the present invention comprises a method of determining a mobile computing device location. The method may comprise emitting at least one... |
| US-8,301,014 |
Signal recording/reproducing method and apparatus, signal record medium
and signal transmission/reception... A signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus, whereby a signal recorded on a... |
| US-8,301,007 |
Video and audio processing system, video processing apparatus, audio
processing apparatus, output apparatus,... A video and audio processing system includes an output apparatus that outputs video data and audio data to be synchronized and reproduced; an audio processing... |
| US-8,300,872 |
Method and device for detecting a displacement and movement of a sound
producing unit of a woofer A system for adjusting a response of a loudspeaker system. The system includes a woofer installed in a housing. The woofer includes a woofer cone. A transmitter... |
| US-8,300,869 |
Lighting and audio communication system A lighting and communication system with a horn enclosure for recessed ceiling panel or wall mounting, including a speaker with a horn expansion area to direct... |
| US-8,300,867 |
Audio/video device having a volume control function for an external audio
reproduction unit by using volume... An audio/video (A/V) device having a volume control function for external audio reproduction units by using volume control buttons of a remote controller is... |
| US-8,300,866 |
Audio/video device having a volume control function for an external audio
reproduction unit by using volume... An audio/video (A/V) device having a volume control function for external audio reproduction units by using volume control buttons of a remote controller is... |
| US-8,300,861 |
Hearing aid algorithms The invention relates to a method of operating an audio processing device. The invention further relates to an audio processing device, to a software program... |
| US-8,300,860 |
Electret transducer with solar power The present invention provides an electret transducer with solar power. The provided electrets transducer includes a solar power supply device, an amplifier... |
| US-8,300,849 |
Perceptually weighted digital audio level compression The level of an audio signal can be compressed by receiving an input audio signal, determining a measure of loudness of the signal using a perceptually derived... |
| US-8,300,848 |
System and method for adjusting an audio signal Disclosed is a system and method of adjusting a volume level for an audio signal for a communication device to comply with a quality threshold. The method... |
| US-8,300,847 |
De-pop circuit and an associated audio system A de-pop circuit adaptable to an audio circuit is disclosed. A high-pass filter generates a high-pass output signal according to an output signal of the audio... |
| US-8,300,845 |
Electronic apparatus having microphones with controllable front-side gain
and rear-side gain An electronic apparatus is provided that has a rear-side and a front-side, a first microphone that generates a first signal, and a second microphone that... |
| US-8,300,844 |
Audible feedback of machine load A sensor is provided in a machine having a continuously variable transmission, for example, and the amount of force exerted by the machine against a load is... |
| US-8,300,843 |
Sound effect circuit and processing method A sound effect circuit and processing method are disclosed. An input audio signal is input to a digital sound effect unit, an output signal is generated and... |
| US-8,300,840 |
Multiple superimposed audio frequency test system and sound chamber with
attenuated echo properties A composite sound dampening structure includes a first base layer of sound dampening material extending around and against an inside surface of a container and... |
| US-8,300,837 |
System and method for compensating memoryless non-linear distortion of an
audio transducer A low-cost, real-time solution is presented for compensating memoryless non-linear distortion in an audio transducer. The playback audio system estimates signal... |
| US-8,300,836 |
Device and method for automatically testing audio player device A method for testing an audio player device is provided. The method includes: transcribing sound signals of each of the audio files which are supposed to be... |
| US-8,300,835 |
Audio signal processing apparatus, audio signal processing method, audio
signal processing program, and... An audio signal processing apparatus includes a cutout unit, a correlation calculating unit, a spectrum calculating unit, a coefficient calculating unit, and an... |
| US-8,300,834 |
Audio signal processing device and audio signal processing method for
specifying sound generating period Even in a state that the change of an environmental noise cannot be anticipated, a sound generating period in an audio signal can be specified with high... |
| US-8,300,833 |
Multichannel spectral mapping audio apparatus and method with dynamically
varying mapping coefficients A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel... |
| US-8,300,711 |
Adaptive differential pulse code modulation/demodulation system and method An adaptive differential pulse-code modulation-demodulation system and method thereof is provided. The method includes steps of modulating an analog audio input... |
| US-8,300,552 |
Network interface unit control system and method therefor External-services data are processed for use in a user facility in a manner that enables easy user interface and control. According to an example embodiment of... |
| US-8,300,154 |
Television receiver A television receiver cuts power supply to its built-in device which is overlapped with that of the external unit connected to the television receiver for... |
| US-8,300,147 |
System and method for in-band A/V timing measurement of serial digital
video signals A system and method for characterizing the relative offset in time between audio and video signals and enables the receiver of the audio and video signals to... |
| US-8,300,080 |
Techniques for detecting a display device Techniques to detect a display device are described. An apparatus may include a video camera operative to receive video information for an image, and a... |
| US-8,299,361 |
Method and terminal device for implementing audio connector interface
conversion A method for implementing audio connector interface conversion is provided in an embodiment of the present invention. The method includes installing a 4-pin... |
| US-8,296,791 |
Media usage monitoring and measurement system and method Media monitoring and measurement systems and methods are disclosed. Some embodiments of the present invention provide a media measurement system and method that... |
| US-8,296,159 |
Apparatus and a method for calculating a number of spectral envelopes An apparatus calculates a number of spectral envelopes to be derived by a spectral band replication (SBR) encoder, wherein the SBR encoder is adapted to encode... |
| US-8,296,158 |
Methods and apparatuses for encoding and decoding object-based audio
signals An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The... |
| US-8,296,156 |
Apparatus and method for encoding/decoding signal An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a compatible down-mix signal... |
| US-8,296,155 |
Method and apparatus for decoding a signal An apparatus for decoding a signal and method thereof are disclosed, by which the audio signal can be controlled in a manner of changing/giving spatial... |
| US-8,296,143 |
Audio signal processing apparatus, audio signal processing method, and
program for having the method executed... An audio waveform processing not imparting any feeling of strangeness and high in definition, in which time stretch and pitch shift are performed by a vocoder... |
| US-8,296,134 |
Audio encoding apparatus and spectrum modifying method A spectrum modifying method and the like wherein the efficiencies of the signal estimation and prediction can be improved and the spectrum can be more... |
| US-8,295,958 |
Audio level meter A circuit for correcting the output of an audio level meter comprises input means for generating the square or the absolute value of an input signal, a low pass... |
| US-8,295,888 |
Portable terminal device, audio output device, and audio device A portable terminal device able to suppress a feeling of strangeness caused by audio not desired by a user is provided. A mobile phone 2 has an audio output... |
| US-8,295,771 |
Bluetooth microphone array The present invention discloses a wireless telephone system using microphone arrays together with additional signal processing to suppress the background noise... |
| US-8,295,681 |
Method and system for manipulation of audio or video signals A method and system for manipulation of audio or video signals. |
| US-8,295,611 |
Robust video retrieval utilizing audio and video data Techniques for determining if two video signals match by extracting features from a first and second video signal, and cross-correlating the features thereby... |
| US-8,295,532 |
Method and system for wireless headset instant on capability during
battery charging Methods and systems for wireless headset instant on capability during battery charging are disclosed and may include powering a wireless headset so that it may... |
| US-8,295,525 |
Flash-N-scratch This invention provides a personal and wearable audio system comprising a first and second component; wherein each of the first and second component comprises... |
| US-8,295,516 |
System, apparatus, method and program for controlling output An output control system includes a plurality of output control apparatuses, the output control apparatuses controlling audio signals supplied to respective... |
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