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Searching: audio signal





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Patent # Description
US-8,761,422 Frequency translation by high-frequency spectral envelope warping in hearing assistance devices
Disclosed herein, among other things, is a system for frequency translation by high-frequency spectral envelope warping in hearing assistance devices. The...
US-8,761,421 Portable electronic device and computer-readable medium for remote hearing aid profile storage
A portable electronic device includes a transceiver configurable to communicate with a hearing aid through a radio frequency (RF) communication channel and a...
US-8,761,415 Controlling the loudness of an audio signal in response to spectral localization
The invention relates to modifying the loudness of an audio signal by measuring the weighted broadband level of the audio signal and modifying that weighted...
US-8,761,412 Microphone array steering with image-based source location
Methods and systems for beam forming an audio signal based on a location of an object relative to the listening device, the location being determined from...
US-8,761,409 System for predicting the behavior of a transducer
A system for compensating and driving a loudspeaker includes an open loop loudspeaker controller that receives and processes an audio input signal and provides...
US-8,761,408 Signal processing apparatus and signal processing method
A signal processing apparatus includes: one or more detection means for detecting movement of a diaphragm of a speaker in correspondence with feedback methods...
US-8,761,406 Audio signal processing device and audio signal processing method
An audio signal processing device includes: a microphone configured to collect noise; an analyzing unit configured to analyze an audio signal collected by the...
US-8,761,361 Management unit with microphone
An example energy management unit (EMU) with diagnostic capabilities is provided. The EMU with can receive and identify the operational status of a device by...
US-8,761,263 System and method for management of scalability information in scalable video and audio coding systems using...
Systems and methods are provided for communicating timely information related to the scalability layer structure of signals received by decoders and other...
US-8,761,208 Audio network system and method of detecting topology in audio signal transmitting system
In an audio network system constructed from a main node and a plurality of satellite nodes each having a plurality of ports, the main node generates and...
US-8,761,071 Internet protocol radio dispatch system and method
A method and system for dispatching calls using a packet network is disclosed. The use of distributed call management modules, enables various communication...
US-8,760,585 Nested symbol constellations representing respective services for graceful degradation in the presence of noise
Symbols representing different classes of service are assigned to different modulation schemes so that the most important service (e.g., emergency messaging)...
US-8,760,576 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-8,760,272 Electric whistle
An electric whistle has a power circuit, an inductor, an electric switch, a buzzer, a tone-set resistor and a sound IC. The sound IC generates an audio control...
US-8,760,229 Switching amplifier and audio device
A switching amplifier is provided. The switching amplifier includes an input unit which receives an audio signal; a first switching device and a second...
US-8,760,003 Vehicle-use power supply control apparatus and control apparatus for controlling electric rotating machine...
The vehicle-use power supply control apparatus is for controlling transmission of electric power between a vehicle-mounted power supply apparatus including...
US-8,758,201 Portable physical activity sensing system
A portable system retrieves one or more exercise programs from a remote communication system that provides motivational content for a user exercising upon an...
US-8,756,622 Media usage monitoring and measurement system and method
Media monitoring and measurement systems and methods are disclosed. Some embodiments of the present invention provide a media measurement system and method that...
US-8,756,067 Computationally efficient audio coder
The present invention provides a computationally efficient technique for compression encoding of an audio signal, and further provides a technique to enhance...
US-8,756,066 Methods and apparatuses for encoding and decoding object-based audio signals
An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The...
US-8,756,056 Apparatus and method for determining a quantizer step size
For determining a quantizer step size for quantizing a signal including audio or video information, a first quantizer step size as well as an interference...
US-8,756,055 Systems and methods for improving the intelligibility of speech in a noisy environment
One aspect of the invention provides a method for enhancing speech output by an electro-acoustical transducer in a noisy listening environment. In some...
US-8,756,054 Method for trained discrimination and attenuation of echoes of a digital signal in a decoder and corresponding...
The invention concerns a method for trained discrimination and attenuation of echoes of a digital audio signal generated from a transform coding, which...
US-8,755,845 Wireless headset systems and methods for activating application programs on processor-based host
Wireless audio headset systems and methods for automatically activating target application programs on an attached processor-based host are disclosed. The...
US-8,755,844 Mobile terminal and vibration method thereof
A mobile terminal including a main body; first and second speakers positioned in different regions of the main body; and a controller configured to detect a...
US-8,755,554 Earphone and headset
Thus there is provided an earphone or headset comprising at least one electroacoustic reproduction transducer for the reproduction of audio signals, an electric...
US-8,755,543 Techniques for localized perceptual audio
Audio perception in local proximity to visual cues is provided. A device includes a video display, first row of audio transducers, and second row of audio...
US-8,755,539 Electrostatic transducer loudspeaker
An electrostatic transducer loudspeaker includes a filterless class-D amplifier to modulate an audio input signal to generate a modulated signal containing a...
US-8,755,536 Stabilizing directional audio input from a moving microphone array
A device includes a microphone array fixed to the device. A signal processor produces an audio output using audio beamforming with input from the microphone...
US-8,755,533 Automatic performance optimization for perceptual devices
Systems and methods may be used to modify a controllable stimulus generated by a digital audio device in communication with a human user. An input signal is...
US-8,755,532 Network audio processor
An audio circuit and associated method for enhanced intelligibility of audio content includes a first means for receiving reproduced audio content, a microphone...
US-8,755,531 Audio system and method of operation therefor
An audio system receives a multi-channel signal which is fed to a controller (121) that generates a first drive signal for a first sound emitter (111) by...
US-8,755,515 Parallel signal processing system and method
A system and method for processing a plurality of channels, for example audio channels, in parallel is provided. For example, a plurality of telephony channels...
US-8,755,447 Wireless audio equipment using a quadrature modulation system
A communications system, e.g., a wireless microphone, incorporates a quadrature modulator system to reduce power consumption with respect to traditional...
US-8,755,411 Systems and methods to measure the performance of a de-jitter buffer
Systems and methods to measure the performance of a de-jitter buffer are disclosed. An example method includes transmitting a known audio signal via a plurality...
US-8,754,990 Method and system for processing chroma signals
Methods and systems for processing chroma signals are disclosed. Aspects of one method may include compensating a modulated chroma signal for distortions due to...
US-8,754,986 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-8,754,985 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-8,754,930 Video transmission device, video display device, video display system, video transmission method and computer...
Provided is a video transmission device that includes: a transmission signal output portion that outputs a video signal that causes two-dimensional video or...
US-8,754,776 Interference detector for patient monitor
A system is disclosed for detecting and calculating the level of ambient and/or environmental noise, such as electromagnetic interference generated by electric...
US-8,754,629 Electrical hazard warning in audio signal probe
An audio tone probe is used by a technician to identify a conductor carrying an applied tracing tone signal. A probe tip is positioned proximate a conductor. A...
US-8,754,353 Solar cell system for outputting an audio signal
Disclosed herein is a solar cell system including: a plurality of power generation panels that differ in the range of wavelengths of light they absorb from each...
US-8,753,292 Method for locating a catheter tip using audio detection
A method for locating a catheter tip within a human body is disclosed. An audio sensor is positioned at a site on the human body. An audio signal is detected by...
US-8,753,166 Audio animation system
In one aspect, the present invention is directed to a system for rendering audio animation, the system comprising: two or more non-biotic figures; an audio...
US-RE44,955 Method and device for packaging audio samples of a non-PCM encoded audio bitstream into a sequence of frames
An audio bitstream is read from a digital video disc DVD for transfer, subsequent to parsing thereof, via an IEC 958 protocolled interface, for use in a...
US-8,751,840 Computer providing motion picture mode and method of setting up system-mode while playing motion pictures
The present invention relates to a computer providing a motion picture mode including at least one storage unit configured to store system state information...
US-8,751,705 Electronic device and audio output method
According to one embodiment, an electronic device including, a display, an audio output module, a transmission module, a first detection module, a second...
US-8,751,246 Audio encoder and decoder for encoding frames of sampled audio signals
An audio encoder adapted for encoding frames of a sampled audio signal to obtain encoded frames, wherein a frame has a number of time domain audio samples,...
US-8,751,245 Audio signal encoding method, audio signal decoding method, encoding device, decoding device, audio signal...
When a frame immediately preceding an encoding target frame to be encoded by a first encoding unit operating under a linear predictive coding scheme is encoded...
US-8,751,225 Apparatus and method for coding signal in a communication system
Provided is an apparatus and method for encoding a voice and audio signal by expanding a modified discrete cosine transform (MDCT) based CODEC to a wideband and...
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