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Searching: audio signal





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Patent # Description
US-8,335,325 Audio signal processing apparatus mixing plurality of input audio signals
An audio signal processing apparatus comprises input channels, a mix bus, a volume level controller, a path disconnector that connects or disconnects a path...
US-8,335,324 Method and apparatus for automatic volume adjustment
The invention provides an apparatus capable of automatic volume adjustment. In one embodiment, the apparatus comprises a speaker, an array microphone located in...
US-8,335,322 Mute control circuit and electronic device using same
An electronic device includes an amplifier, an output unit, a processing unit, and a mute control circuit. The amplifier is for amplifying audio signals and...
US-8,335,321 Audio signal processing apparatus, audio signal processing method and imaging apparatus
An audio signal processing apparatus generates an audio signal having an omni-directivity in the whole circumferential direction, generates an audio signal...
US-8,335,320 Audio apparatus
An audio apparatus includes: a connector that supports a multipolar plug including a plurality of plug terminals, the connector having a plurality of connector...
US-8,335,308 Method, system, and apparatus for attenuating dual-tone multiple frequency confirmation tones in a telephone set
A method, system, and apparatus for attenuating a dialing confirmation tone includes receiving an enable signal from a tactile user input device, generating at...
US-8,335,301 Video on hold for VoIP system
A system for placing a telephone call on hold and presenting video to the user that has been placed on hold comprises video on hold arbiter that either is a...
US-8,334,891 Multipoint conference video switching
A method includes receiving a plurality of audio signals, wherein the audio signals each include a plurality of packets containing voice data associated with...
US-8,333,609 Connector, multi-channel audio system, electronic apparatus, and cable for connection
A plurality of audio signal output terminals corresponding to individual channels of an audio-signal output apparatus are respectively disposed in ...
US-8,333,260 Deep insertion vented earpiece system
A deep insertion vented earpiece system is described including resilient earpieces shaped to a wearer's ear canal for a conformal fit. A receptacle is provided...
US-8,332,954 Methods for embedding data in digital audio data
The present invention provides a method of embedding watermarking data in an audio signal which includes the steps of incorporating watermarking information...
US-8,332,216 System and method for low power stereo perceptual audio coding using adaptive masking threshold
A method for stereo audio perceptual encoding of an input signal includes masking threshold estimation and bit allocation. The masking threshold estimation and...
US-8,331,890 Duty-to-voltage amplifier, FM receiver and method for amplifying a peak of a multiplexed signal
A FM receiver comprises an IF filter, a demodulator and a decoder. The IF filter generates an RSSI and a FM modulated signal in response to a FM signal. The...
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...
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