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Interface circuit for transmitting and receiving digital signals between
A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a...
Audio encoding and decoding to generate binaural virtual spatial signals
An audio encoder comprises a multi-channel receiver (401) which receives an M-channel audio signal where M>2. A down-mix processor (403) down-mixes the...
Program endpoint time detection apparatus and method, and program
information retrieval system
This invention relates to retrieval for multimedia content, and provides a program endpoint time detection apparatus for detecting an endpoint time of a program...
System and method for singing synthesis capable of reflecting voice timbre
Herein provided is a system for singing synthesis capable of reflecting not only pitch and dynamics changes but also timbre changes of a user's singing. A...
Method and system for analyzing digital sound audio signal associated with
A method for analyzing a digital audio signal associated with a baby cry, comprising the steps of: (a) processing the digital audio signal using a spectral...
Real-time voice recognition on a handheld device
A method and apparatus for implementation of real-time speech recognition using a handheld computing apparatus are provided. The handheld computing apparatus...
Navigation instructions using low-bandwidth signaling
Navigation instructions using low-bandwidth signaling are supported in an alternative user interface that may be utilized as either a full replacement or as an...
Methods and systems for adaptive time-frequency resolution in digital data
Embodiments are described for a system and method for implementing an adaptive time-frequency resolution in audio and video coding systems. A method of...
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...
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...
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...
Delivering fundamental frequency and amplitude envelope cues to enhance
Systems, apparatus, and techniques are described to perform operations including receiving speech that includes audio signals from a talker. A fundamental...
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...
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...
Equalization system to improve the quality of bass sounds within a
Frequency equalization system substantially equalizes the room frequency responses generated by at least one loudspeaker within a listening area so that the...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
Automatic performance device
An automatic performance device includes a performance data receiving unit that receives performance data transmitted from a storage device without passing...
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...
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...
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...
System and method for data reception and transmission in audible frequency
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...
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...
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...
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...
Method, system and apparatus for improving the sonic quality of an audio
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...
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...
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....
Audio controlling apparatus, audio correction apparatus, and audio
According to one embodiment, audio controlling apparatus includes first receiver configured to receive audio signal, second receiver configured to receive...
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...
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...
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...
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...
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...
Speakerphone using a secure audio connection to initiate a second secure
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...