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Searching: audio signal





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Patent # Description
US-9,008,721 Broadcast reception mobile terminal
There is provided a broadcast reception mobile terminal capable of improving both electric power saving and user-friendliness includes a broadcast reception...
US-9,008,642 Mobile phone to appliance communication via audio sampling
The present subject matter relates to systems and methodologies for communicating between an appliance and a mobile device using audio signaling. An appliance...
US-9,008,639 Controlling audio of a device
Techniques and tools are described for controlling an audio signal of a mobile device. For example, information indicative of acceleration of the mobile device...
US-9,008,339 Delivering fundamental frequency and amplitude envelope cues to enhance speech understanding
Systems, apparatus, and techniques are described to perform operations including receiving speech that includes audio signals from a talker. A fundamental...
US-9,008,338 Audio reproduction apparatus and audio reproduction method
An audio reproduction apparatus is provided which is capable of maintaining the sense of dimensions in an acoustic space even when multi-channel input audio...
US-9,008,334 Audio mixing console
An audio mixing console comprises a first amplifier, an analogue to digital converter, a second amplifier and a gain range control unit. The first amplifier may...
US-9,008,331 Equalization system to improve the quality of bass sounds within a listening area
Frequency equalization system substantially equalizes the room frequency responses generated by at least one loudspeaker within a listening area so that the...
US-9,008,327 Acoustic multi-channel cancellation
A multi-channel acoustic echo canceller arrangement comprises a microphone (111) providing a microphone signal having contributions from at least two audio...
US-9,008,324 Impedance matching circuit for driving a speaker system
An impedance matched resonant circuit uses inductors coupling an audio source and a speaker array in order to reduce feedback reflection induced by an audio...
US-9,008,323 Wide dynamic range microphone
A microphone system has an output and at least a first transducer with a first dynamic range, a second transducer with a second dynamic range different than the...
US-9,008,322 Efficiency optimizer of an audio power amplifier for car radio
The present invention concerns an audio amplifier circuit designed to provide an output signal to an audio transducer, said audio amplifier circuit comprising...
US-9,008,319 Sound pressure level limiter with anti-startle feature
Sound pressure level limiter with anti-startle feature for audio systems are disclosed. The anti-startle feature may be implemented with a delta incident...
US-9,008,318 Audio signal processing device
An audio signal processing device receives a plurality of audio signals via a left channel (L) and a right channel (R) so as to produce a composite signal L+R...
US-9,008,302 Audio acoustic echo cancellation for video conferencing
A new audio echo cancellation (AEC) approach is disclosed. To facilitate echo cancellation, the method adjusts for errors (called drift) in sampling rates for...
US-9,007,871 Passive proximity detection
Techniques and devices are disclosed for utilizing passively received audio signals to determine proximity of devices to other objects. In one embodiment, a...
US-9,007,758 Portable electronic device case
A protective case for housing a wireless communication device is provided. The protective case may include integral wireless communication circuitry independent...
US-9,007,530 Channel scan device and method, and program
The present technique relates to a channel scan device and method, and a program configured so that high-speed channel scan is enabled. The power spectrum...
US-9,007,477 Audio-controlled image capturing
A method comprising: receiving a plurality of images corresponding to a time period covering the intended moment for releasing the shutter; receiving an audio...
US-9,007,419 Audiovisual apparatus for reducing echo
The present disclosure relates to an audiovisual apparatus, which includes an audiovisual capturing unit, an audiovisual broadcast unit, and a transmission...
US-9,007,416 Local social conference calling
Provided are systems and methods for communicating between mobile devices. Such methods involve establishing a communication session between the mobile devices...
US-9,007,415 Method and system for audio-video communications
There is provided a system and method of audio-video communications including a plurality of end-user terminals coupled via a communications link. Each end-user...
US-9,006,554 Human interface device with optical tube assembly
A human interface device may include at least one analog control pressure surface that may operate in conjunction with at least one optical tube assembly (OTA)...
US-9,006,551 Musical performance-related information output device, system including musical performance-related information...
Provided are a musical performance-related information output device and a musical performance system capable of superimposing musical performance-related...
US-9,004,356 Read head device with slot configured to reduce torque
A read head system has a housing and a read positioned in the housing with a slot for swiping a magnetic stripe of a financial transaction card with the slot...
US-9,003,468 Automatic performance device
An automatic performance device includes a performance data receiving unit that receives performance data transmitted from a storage device without passing...
US-9,003,009 Methods for transporting digital media
A networked system is provided for transporting digital media packets, such as audio and video. The network includes network devices interconnected to send and...
US-9,002,716 Method for describing the composition of audio signals
Method for describing the composition of audio signals, which are encoded as separate audio objects. The arrangement and the processing of the audio objects in...
US-9,002,489 Signal processing apparatus, signal processing method, and program
A signal processing apparatus includes an absolute value unit configured to convert an audio signal into absolute values, a representative value calculation...
US-9,002,487 System and method for data reception and transmission in audible frequency band
Disclosed are a system and a method for transceiving data in an audio frequency band. The system includes a data input unit to input data for acoustic...
US-9,002,035 Graphical audio signal control
Signal processing section of a terminal converts acquired audio signals of a plurality of channels into frequency spectra set, calculates sound image positions...
US-9,002,034 Method and system for audio level detection and control
In a method and system for audio level detection and control, an amplitude of an audio signal may be compared to a threshold and an attenuation applied to the...
US-9,002,032 Parametric signal processing systems and methods
A signal processing system for generating a parametric signal comprises an audio compressor, operable to compress a dynamic range of an audio input signal, and...
US-9,002,031 Method, system and apparatus for improving the sonic quality of an audio signal
A device, system and method of playing back a digital audio stream wherein large amounts of pre-emphasis of the high frequencies is applied before the digital...
US-9,002,029 Howling canceller
A howling canceller applied to an acoustic system having a speaker and a microphone comprises: a filter insertion unit for inserting a notch filter at a...
US-9,002,026 Headphone with speaker function
A headphone with speaker function comprises a first playback unit, a second playback unit, a first audio source interface and a second audio source interface....
US-9,002,021 Audio controlling apparatus, audio correction apparatus, and audio correction method
According to one embodiment, audio controlling apparatus includes first receiver configured to receive audio signal, second receiver configured to receive...
US-9,002,020 Bone-conduction transducer array for spatial audio
Systems and methods for a bone-conduction transducer array configured to provide spatial audio are described, in which the bone-conduction transducer array may...
US-9,002,019 Sound field control apparatus and method for controlling sound field
A sound field control apparatus includes at least two main microphones; for each main microphone, a set of at least two sub microphones arranged such that the...
US-9,001,994 Non-uniform adaptive echo cancellation
An audio-based system may perform echo cancellation by decomposing an input audio signal and a corresponding reference signal into sub-signals corresponding to...
US-9,001,729 IP based microphone and intercom
A transceiver including, a codec, microcontroller, and radio. The codec including an analog to digital converter for receiving a first audio program and...
US-9,001,715 Apparatus and method for gateway and program
A gateway apparatus arranged between the mobile circuit switched network and the mobile IMS network, includes a call control unit which converts a control...
US-9,001,702 Speakerphone using a secure audio connection to initiate a second secure connection
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-9,001,275 Method and system for improving audio fidelity in an HDMI system
HDMI is a digital audio and video communications protocol commonly used in consumer electronics. HDMI is particularly synonymous with high fidelity audio and...
US-9,001,273 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-9,000,690 Driver for capacitive loads
A method for driving a piezoelectric transducer is provided. An input signal is received. At least one of a plurality of modes is selected for a buck-boost...
US-8,998,783 Push up device
A push up device includes a support device including a base for positioning on the floor, side supports and a top. A control device at the top includes a push...
US-8,998,712 Game system, game apparatus, non-transitory computer-readable storage medium having game program stored...
A game system includes a game apparatus, a first output device having a first display section and a first sound output section, and a second output device...
US-8,998,648 Audio jack connector
An audio jack connector (100) includes an insulative housing (2) defining a receiving space (20), a number of signal contacts (31, 32) retained in the...
US-8,998,096 Magnetic emissive use of preloaded payment card account numbers
A thin-client access card has a card body with partial or fully emissive magnetic data tracks. An emissive element is disposed in the card body under the...
US-8,997,132 System and method for identifying computer systems being used by viewers of television programs
A system, computer-readable storage medium storing at least one program, and a computer-implemented method for identifying computer systems being used by...
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