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Searching: audio signal





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Patent # Description
US-8,890,608 Digital input class-D audio amplifier
An audio amplifier receiving a digital input audio signal and generating an output audio signal for driving a speaker includes a digital input class D amplifier...
US-8,889,976 Musical score position estimating device, musical score position estimating method, and musical score position...
A musical score position estimating device includes an audio signal acquiring unit, a musical score information acquiring unit acquiring musical score...
US-RE45,251 Audio output adjusting device of home theater system and method thereof
A home theater system, an audio output adjusting device of a home theater system and methods thereof allow a prescribed or three-dimension audio configuration...
US-8,887,212 Extended connectivity point-of-deployment apparatus and concomitant method thereof
A POD module system includes a housing, a coaxial cable connector formed on the housing and connectable to a first device to receive a cable signal, a port...
US-8,887,191 Methods and apparatus for identifying media using temporal signal characteristics
Methods and apparatus to identify media content using temporal signal characteristics are disclosed. An example method to identify media content includes...
US-8,887,187 Audio-visual terminal, viewing authentication system and control program
An audio-visual terminal and a viewing authentication system and control programs therefor are provided. The audio-visual terminal includes a reproducing part...
US-8,886,699 Offloading the processing of signals
A server computer that is connected over a network to one or more remote client computers includes specialized hardware for handling computationally-intensive...
US-8,886,635 Apparatus and method for recognizing content using audio signal
The present invention relates to an apparatus and method for recognizing content using an audio signal. The content recognition apparatus includes a query...
US-8,886,548 Audio encoding device, decoding device, method, circuit, and program
Provided is an encoding device (1) including: a pitch contour analysis unit (101) which detects information, a dynamic time-warping unit (102) which generates,...
US-8,886,529 Method and device for the objective evaluation of the voice quality of a speech signal taking into account the...
A method and device are provided for the objective evaluation of voice quality of a speech signal. The device includes: a module for extracting a background...
US-8,886,528 Audio signal processing device and method
A highlight section including an exciting scene is appropriately extracted with smaller amount of processing. A reflection coefficient calculating unit (12)...
US-8,886,524 Signal processing based on audio context
Described herein are systems, methods, and apparatus for determining audio context between an audio source and an audio sink and selecting signal profiles based...
US-8,886,523 Audio decoding based on audio class with control code for post-processing modes
In accordance with an embodiment, a method of generating an encoded audio signal, the method includes estimating a time-frequency energy of an input audio...
US-8,886,451 Hearing device providing spoken information on the surroundings
A navigation system includes a hearing device configured to be head worn and having loudspeakers for emission of sound towards ears of a user; a GPS unit for...
US-8,886,346 Oversampling in a combined transposer filter bank
The present invention relates to coding of audio signals, and in particular to high frequency reconstruction methods including a frequency domain harmonic...
US-8,886,146 Infrared receiving unit
An IR receiver having a decision logic circuit for activating or deactivating a squelch. Activation or deactivation of the squelch is effected in dependence on...
US-8,885,852 Audio control system
Technologies are generally described for a system for controlling an audio signal based on a proximity of, e.g., a user's hand to at least one component of an...
US-8,885,850 Cardioid beam with a desired null based acoustic devices, systems and methods
An acoustic device is provided with first and second one or more acoustic elements to generate a first signal that includes mostly undesired audio and...
US-8,885,844 Variable noise masking during periods of substantial silence
Methods and systems for masking audio noise are disclosed. One apparatus includes a silence detector configured to detect a period of substantial silence in an...
US-8,885,841 Audio processing apparatus and method, and program
An audio processing apparatus includes an audio signal acquisition unit which acquires an audio signal of a musical piece, a feature value extraction unit which...
US-8,885,836 Decorrelator for upmixing systems
An improved decorrelator is disclosed that processes an input audio signal in two separate paths. In one path, a banded phase-flip filter is applied to lower...
US-8,885,834 Methods and devices for reproducing surround audio signals
Method and devices for providing surround audio signals are provided. Surround audio signals are received and are binaurally filtered by at least one filter...
US-8,885,804 Method for carrying out an audio conference, audio conference device, and method for switching between encoders
A method and an audio conference device for carrying out an audio conference are disclosed, whereby classification information associated with a respective...
US-8,885,523 Speakerphone transmitting control information embedded in audio information through a conference bridge
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-8,885,281 Electrical device having a reducing harddisk vibration function and reducing harddisk vibration method
The present application discloses a method to reduce hard-disk vibrations. The method to reduce hard-disk vibrations is for an electrical device having a...
US-8,885,101 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-8,885,007 Method and system for initiating communication via a communication network
A method of communicating between a first user and a second user comprises using a first system to transmit, from the first user, a first signal for delivery to...
US-8,884,372 Analog signal compatible CMOS switch as an integrated peripheral to a standard microcontroller
At least one analog signal compatible complementary metal oxide semiconductor (CMOS) switch circuit is incorporated with digital logic circuits in an integrated...
US-8,884,149 Musical measurement stimuli
Systems and method for performing adaptive audio signal processing using music as a measurement stimulus signal. A musical stimuli generator may be used to...
US-8,880,761 Efficient low-latency buffer
An efficient low latency buffer, and method of operation, is described. The efficient low latency buffer may be used as a bi-directional memory buffer in an...
US-8,880,444 Audio based control of equipment and systems
A method for controlling a device responsive to an audio signal captured using an audio sensor. A data processor is used to automatically analyze the audio...
US-8,880,413 Binaural spatialization of compression-encoded sound data utilizing phase shift and delay applied to each subband
The invention is aimed at improving the quality of the filtering by transfer functions of HRTF type of signals (L, R) compressed in a transformed domain, for...
US-8,880,412 Method to select active channels in audio mixing for multi-party teleconferencing
An apparatus comprising an ingress port configured to receive a signal comprising a plurality of encoded audio signals corresponding to a plurality of sources;...
US-8,880,411 Critical sampling encoding with a predictive encoder
A method for encoding and decoding a digital audio signal is provided, said method comprising the steps of: encoding a first sequence of samples of the digital...
US-8,880,409 System and method for automatic temporal alignment between music audio signal and lyrics
A system provided herein may perform automatic temporal alignment between music audio signal and lyrics with higher accuracy than ever. A non-fricative section...
US-8,880,406 Automatic determination of and response to a topic of a conversation
A system, computer-readable medium, and method for automatically determining a topic of a conversation and responding to the topic determination are provided....
US-8,880,401 Communication converter for converting audio information/textual information to corresponding textual...
A communication converter is described for converting among speech signals and textual information, permitting communication between telephone users and textual...
US-8,880,208 Device and method for controlling the playback of a file of signals to be reproduced
Controlling playback by strokes entered via a MIDI interface or measured by one or more motion sensors is disclosed. The variations of the playback speed can...
US-8,880,207 Multi-parametric analysis of snore sounds for the community screening of sleep apnea with non-gaussianity index
An apparatus for diagnosing sleep disorders such as OASHS from snore sounds includes a segmentation module (126) coupled to a data logger (124) to provide...
US-8,880,205 Integrated multimedia signal processing system using centralized processing of signals
Integrated processing of multimedia signals can eliminate unnecessary signal processors and converters without losing the functionality of typical home...
US-8,880,194 Electrical nerve stimulation with broad band low frequency filter
A system and method of generating electrode stimulation signals for an implanted multi-channel electrode array of a cochlear implant includes processing an...
US-8,879,893 Scrambling and descrambling method for the transport of MPEG2 audio video data streams
A scrambling and descrambling method that includes reading of original PID and TSC bits in the PID and TSC fields of a packet header of an MPEG2 stream which is...
US-8,879,765 Hearing optimization device and hearing optimization method
A hearing optimization device and hearing optimization method having a high boost frequency characteristic reference live for high frequency range enhancement...
US-8,879,762 Method and apparatus to evaluate quality of audio signal
A method and apparatus to evaluate a quality of an audio signal, in which the number of effective channels is determined for each of a reference signal of a...
US-8,879,755 At least partially implantable sound pick-up device with ultrasound emitter
There is provided an at least partially implantable device for picking up sound impinging onto a skin area of a person, comprising means for generating an audio...
US-8,879,753 Mixer and communication connection setting method therefor
Mixer and one or more external devices, related to audio signal processing, are interconnected via a communication network, such as a LAN. For a particular one...
US-8,879,751 Gaming headset with programmable audio paths
A headset having game, chat and microphone audio signals is provided with a programmable signal processor for individually modifying the audio signals and a...
US-8,879,750 Adaptive dynamic range enhancement of audio recordings
There are provided methods and an apparatus for conditioning an audio signal. According to one aspect of the present invention there is included a method for...
US-8,879,747 Adaptive filtering system
An audio system with at least one audio channel may include a digital audio processor in which at least one digital filter is implemented for each channel. The...
US-8,879,745 Method of deriving individualized gain compensation curves for hearing aid fitting
A method of deriving individual gain compensation curves for hearing aid fitting includes providing a system that detects, measures and records head azimuth for...
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