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Searching: audio signal





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Patent # Description
US-8,331,856 Underwater camera communication system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,331,763 Apparatus and method for synchronizing reproduction time of time-shifted content with reproduction time of...
An apparatus and method are provided for synchronizing a reproduction time of a time-shifted content with a reproduction time of a real-time content. The...
US-8,331,759 Audio and/or video generation apparatus and method of generating audio and/or video signals
An audio and/or video generation apparatus configured to generate audio and/or video signals representative of an audio and/or video source, the audio and/or...
US-8,331,598 Audio system for outdoor umbrella
An audio system for an outdoor umbrella includes an audio housing, a detachable locker, and an audio device. The audio housing includes a first housing body and...
US-8,331,593 Hearing aid with a removably connected elongate member
The present invention relates to a new type of hearing aid with a housing that is adapted for positioning in the ear canal of a user and attached to an elongate...
US-8,331,585 Audio mixing
The invention relates to a method and an apparatus for mixing audio signals. The invention is based on the idea to base selection of what audio channels to mix...
US-8,331,582 Method and apparatus for producing adaptive directional signals
The invention relates to adaptive directional systems, and more particularly to a method and apparatus for producing adaptive directional signals. The invention...
US-8,331,575 Data processing apparatus and parameter generating apparatus applied to surround system
Calculation is performed for sound paths 112-1, 114-1 along which sounds emitted from a sound emitting point 104 in an acoustic space 102 are reflected and...
US-8,331,573 Applause attenuation system
A method and apparatus for attenuating applause from a satellite radio signal, including, a spectrum analyzer and comparator having an internal memory for...
US-8,331,572 Spatial audio
In summary, this application describes a psycho-acoustically motivated, parametric description of the spatial attributes of multichannel audio signals. This...
US-8,331,570 Method and system for enhancing bass effect in audio signals
The quality of music output from audio systems is improved by simulating the effect of low frequency signals in the human ear. This thus allows listeners to...
US-8,331,542 Phone URL exchange
A computer system (a method) for exchanging information such as a Universal Resource Locator (URL) or a Universal Resource Identifier (URI) over a communication...
US-8,330,875 Television receiver
The present invention provides a television receiver capable of automatically identifying the kind of a tuner and controlling the tuner in accordance with the...
US-8,330,859 Method, system, and program product for eliminating error contribution from production switchers with internal DVEs
Measurement of the relative timing between images and associated information, for example video and audio. Image mutual event characteristics are recognized in...
US-8,330,538 Self-oscillating audio amplifier and method for restraining the improved self-oscillating audio amplifier
An improved self-oscillating audio amplifier and a method for restraining audio distortion of the self-oscillating audio amplifier are disclosed. The improved...
US-8,328,420 Apparatus and method for measuring biologic parameters
Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an...
US-8,327,211 Voice activity detection (VAD) dependent retransmission scheme for wireless communication systems
A voice activity detection (VAD) dependent retransmission scheme is described that mitigates the effect of packet loss on an audio signal transmitted between...
US-8,326,775 Signature generation for multimedia deep-content-classification by a large-scale matching system and method thereof
Content-based clustering, recognition, classification and search of high volumes of multimedia data in real-time. The invention is dedicated to real-time fast...
US-8,326,640 Method and system for multi-band amplitude estimation and gain control in an audio CODEC
Aspects of a method and system for multi-band amplitude estimation and gain control in an audio CODEC are provided. In this regard, an audio signal may be...
US-8,326,639 Audio data structure for lossy and lossless encoded extension data
Lossless audio coding performs decorrelation and encodes the transformed signal. The encoded bit stream comprises de-correlation parameters and the lossless...
US-8,326,638 Audio compression
For audio encoding and decoding, in order to enhance coded audio signals, the audio signal is divided into at least a low frequency band and a high frequency...
US-8,326,631 Systems and methods for speech indexing
A speech index for a recording or other representation of an audio signal containing speech is generated using a phonetic automatic voice recognition engine. A...
US-8,326,618 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data steam and a lossless...
In lossy based lossless coding a PCM audio signal passes through a lossy encoder to a lossy decoder. The lossy encoder provides a lossy bit stream. The lossy...
US-8,326,609 Method and apparatus for an audio signal processing
An apparatus for processing an audio signal and method thereof are disclosed, by which the audio signal can be efficiently processed. The present invention...
US-8,326,446 Method and an apparatus for processing an audio signal
An apparatus for processing an audio signal and method thereof are disclosed. The preset invention includes receiving a downmix signal including at least one...
US-8,326,379 Dual mode electronic headset with local and remote focused microphones
An electronic headset for a user, the headset including a housing; a first microphone to receive a first audio input provided by the user; a second microphone...
US-8,326,360 Method and system for the configuration of a mobile station baseband circuit for an acoustic accessory
A method and system for the configuration of a mobile station baseband circuit for an acoustic accessory having an identifier, the method comprising the steps...
US-8,326,228 Headset locator device
A mobile telephone may aid a user in locating a lost wireless headset. The mobile telephone may include a processor and a user interface. The processor may...
US-8,326,219 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-8,326,132 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes reading random access information from the audio signal. The random access information indicates whether or not random...
US-8,325,966 Detachable loudspeaker structure having both audio and supporting functions
A detachable loudspeaker structure including a loudspeaker, a circuit board, a housing and a signal connector, wherein the circuit board is electrically...
US-8,325,964 Method and system for bone conduction sound propagation
A wearable surround sound system, that includes: (a) a processor, adapted to receive input signals representative of requested audio signals to be heard by the...
US-8,325,962 Headphones
There is provided headphones that include a pair of left and right earcups, an audio signal processing unit contained in the earcups, a headband connecting the...
US-8,325,957 Hearing aid and method for operating a hearing aid
The invention relates to a method for a hearing aid wearer to actively operate a hearing aid. A signal processing section of the hearing aid has a demixing...
US-8,325,949 Thermoacoustic device
An amplifier circuit for thermoacoustic device includes a peak hold circuit, an add-subtract circuit, and a power amplifier. The peak hold circuit is configured...
US-8,325,945 Mixing control device
A mixing control device has a plurality of input channels for processing and mixing audio signals according to parameters specified in the respective input...
US-8,325,941 Method and apparatus to shape sound
The invention relates to sonic steerable antennae and their use to achieve a variety of effects. The invention comprises a method and apparatus for taking an...
US-8,325,939 GSM noise removal
This specification describes technologies relating to editing audio data. In general, one aspect of the subject matter described in this specification can be...
US-8,325,930 Signal processing apparatus and control method thereof
A signal processing apparatus and a control method thereof are provided. The signal processing apparatus includes: a signal processor which respectively...
US-8,325,929 Binaural rendering of a multi-channel audio signal
Binaural rendering a multi-channel audio signal into a binaural output signal is described. The multi-channel audio signal has a stereo downmix signal into...
US-8,325,908 Method and apparatus for detecting ring trip precursors
A method for controlling a ringing signal includes generating a ringing signal on a subscriber line, detecting a condition indicative of the subscriber line...
US-8,325,803 Signal processing apparatus, signal processing method, and program
Disclosed herein is a signal processing apparatus including a first feature detection unit configured to detect a plurality of first feature data each...
US-8,325,635 Systems and methods for facsimile echo cancellation
The present invention is related to methods and systems for reducing or canceling echoes during fax communications. In an embodiment, during a fax call, a first...
US-8,325,278 Video display based on video signal and audio output based on audio signal, video/audio device network...
When a format of a video signal or an audio signal received by a receiver of a video/audio signal input/output device is switched by a channel selecting...
US-8,325,144 Digital envelope modulator for haptic feedback devices
A haptic feedback device includes a signal generation module configured to output a composite signal representable by a carrier signal and an envelope signal....
US-8,322,222 Method and system for noise dosimeter with quick-check mode and earphone adapter
A noise dosimeter with capability to rapidly predict noise exposure over an extended time period based on a measurement of short duration. Either an acoustic or...
US-8,321,894 Transmission apparatus, reception apparatus
A transmission apparatus and a reception apparatus have improved characteristics such as entertainment and convenience for a user who receives content received...
US-8,321,394 Matching a fingerprint
A method and a system are provided for matching a fingerprint, for example, an audio fingerprint. In one example, the system receives, from a user device, a...
US-8,321,230 Method and device for the hierarchical coding of a source audio signal and corresponding decoding method and...
Hierarchical coding of a source audio signal in the form of a data stream including a base level and at least two hierarchical enhancement levels, each of the...
US-8,321,229 Apparatus, medium and method to encode and decode high frequency signal
A method and apparatus to encoding or decoding an audio signal is provided. In the method and apparatus, a noise-floor level to use in encoding or decoding a...
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