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Searching: audio signal





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Patent # Description
US-8,565,907 Audio mixing device and method
An audio mixing device and method are provided. The audio mixing device includes an analog to digital converter (ADC), a converting module, a mixing module, and...
US-8,565,842 Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic...
A mobile wireless communications device includes a housing and circuit board carried by the housing and having radio frequency (RF) circuitry and a processor...
US-8,565,725 Secure control system for opening locking devices by encrypted acoustic accreditations
The invention relates to a system implements a mobile phone (20) available to a user (18) authorized to open a lock (22). A remote management site (10) includes...
US-8,565,702 Audio hole suppression method and apparatus for a two-way radio
A channel scanning technique and apparatus provides audio hole suppression in two-way radio communications. Upon detecting the absence of a carrier signal on a...
US-8,565,466 Auditory canal earphone
There is provided an auditory canal earphone comprising a housing (120) for receiving an electroacoustic transducer and a sound guide unit (130) on the housing...
US-8,565,464 Audio conference apparatus
In an audio signal transmission/reception device that receives and emits sounds so as to perform transmission and reception of audio signals via communications,...
US-8,565,459 Signal processing using spatial filter
A device and method processing microphone signals from at least two microphones is presented. A first beamformer processes the signals from the microphones and...
US-8,565,458 Media player and adapter for providing audio data to hearing aid
A media player includes a processor configured to receive media content from a content source and to process the media content produce an audio signal. The...
US-8,565,455 Multiple display systems with enhanced acoustics experience
A method and a system are described providing multiple display systems with an enhanced acoustics experience. A source audio signal having a plurality of source...
US-8,565,451 Audio signal output device
Under the control of a controller, a DSP supplies audio signals received from a switch circuit to a main zone DAC, subjects the audio signals received from the...
US-8,565,449 System and method for digital signal processing
The present invention provides for methods and systems for digitally processing an audio signal. In various embodiments, a method comprises receiving a profile...
US-8,565,448 Dynamic bass equalization with modified Sallen-Key high pass filter
A dynamic bass equalization circuit has an amplitude dependent gain that is dependent upon the audio electrical signal amplitude and a dynamically adjusted...
US-8,565,445 Combining audio signals based on ranges of phase difference
A signal processing unit is provided. The signal processing unit includes an orthogonal transforming part including at least two sound input parts receiving...
US-8,565,444 Detecting stereo and mono headset devices
The present invention includes apparatuses and methods comprising a means for detecting the presence of speakers and microphones coupled to a portable...
US-8,565,440 Processing audio input signals
A method of producing a plurality of broadband response files derived from empirical testing on at least one human subject, for convolving with an audio input...
US-8,565,415 Gain and spectral shape adjustment in audio signal processing
A signal processing system enhances communication. When an audio signal is detected, an echo component of the detected audio signal may be estimated. A near...
US-8,565,299 Method and apparatus for processing audio/video bit-stream
A method for processing an audio/video bit-stream includes the steps of receiving an input bit-stream, detecting whether the input bit-stream has a startcode...
US-8,565,127 Voice-activity detection based on far-end and near-end statistics
Methods and apparatus of managing a communication system, wherein a decision regarding a level of activity at a first end is made based at least in part on the...
US-8,565,042 System and method for reducing data reception error in acoustic communication in audible frequency range, and...
Provided is a data reception error reduction system and method in acoustic communication in audible frequency range, and an apparatus applied thereto. The data...
US-8,564,434 Baby monitoring systems
There is provided a baby monitoring system comprising a baby unit and a parent unit, the baby unit being for use in the vicinity of a baby or child, the baby...
US-8,564,421 Method and apparatus for generating an audio notification file
A method and apparatus for generating an audio notification file for a computing device are provided. A first audio file associated with a first mental state is...
US-8,560,913 Data embedding system
A data hiding system is described for hiding data within an audio signal. The system can be used for watermarking, data communications, audience surveying etc....
US-8,560,753 Method and apparatus for remote input/output in a computer system
A method and system for providing computer input/output (I/O) functionality within a remote computing environment. The system comprises a host audio controller...
US-8,560,725 Audio signal processor and network system
In the case where an audio network system that performs transport of audio signals between a plurality of processors is constructed such that the plurality of...
US-8,560,705 System and method employing an agile network protocol for secure communications using secure domain names
A client device comprises: (a) a memory, (b) an application program, and (c) a signal processing configuration. The memory is configured and arranged to...
US-8,560,330 Energy envelope perceptual correction for high band coding
In accordance with an embodiment, A method of encoding an audio bitstream at an encoder includes encoding an original low band signal at the encoder by using a...
US-8,560,309 Remote conferencing center
Certain embodiments disclosed herein relate to systems and methods for recording audio and video. In particular, in one embodiment, a method of recording audio...
US-8,560,307 Systems, methods, and apparatus for context suppression using receivers
Configurations disclosed herein include systems, methods and apparatus that may be applied in a voice communications and/or storage application to remove,...
US-8,560,304 Method and apparatus for encoding and decoding high frequency band
Provided is a method and apparatus for encoding or decoding a signal corresponding to a high frequency band in an audio signal. The method and apparatus for...
US-8,560,303 Apparatus and method for visualization of multichannel audio signals
Provided are an apparatus and method for visualizing multichannel audio signals. The apparatus includes a spatial audio decoding unit for receiving a downmix...
US-8,560,261 Data cable powered sensor fixture
A sensor fixture can be affixed within a wall and powered using the same cable along which data signals are transmitted. A data cable is attached to the...
US-8,560,101 Audio signal processing apparatus and audio signal processing method
Audio signal processing apparatus includes: an amplitude change extractor 3 which obtains an amplitude change extraction signal which is a signal having an...
US-8,560,078 High accuracy tonotopic and periodic coding with enhanced harmonic resolution
A signal processing system is described for a cochlear implant. A pre-processor filter bank processes an acoustic audio signal to generate band pass signals...
US-8,559,922 System and method for receiving user-specific information over digital radio
A system and method for permitting users to receive desired/user-specific data or information, e.g., electronic mail or other user-subscribed services, e.g.,...
US-8,559,825 Digital communication method and system
The present disclosure includes a digital communication method and system for use in telephone exchanges, wireless and wired communication systems. The...
US-8,559,796 Video recorder apparatus for recording moving picture file in detachable recording medium
A television video recorder apparatus is provided which is capable of generating a moving picture file reproducible in user's intended video quality and volume...
US-8,559,661 Sound system and method of operation therefor
A sound system comprises at least three audio driver arrangements (101, 103, 105) for emitting audio signals. The audio driver arrangements (101, 103, 105) are...
US-8,559,660 Electrostatic electroacoustic transducers
An electrostatic electroacoustic device comprising a first electrode configured to receive an audio signal, a second electrode configured to receive the audio...
US-8,559,659 Control of audio output state based on wireless charging
According to the present disclosure, there is provided a wireless power receiver configured to provide a continuous phone call environment or content...
US-8,559,658 Electronic apparatus
According to one embodiment, an electronic apparatus includes a speaker, a terminal, an amplifier, a power supply circuit, a setting module, a detection module,...
US-8,559,651 Synthetic stereo on a mono headset with motion sensing
A system, processor implemented method, and non-transitory computer readable medium for playing a synthetic stereo on a mono headset with motion sensing. The...
US-8,559,648 Active noise control using bass management
An active noise cancellation system reduces, at a listening position, the power of a noise signal being radiated from a noise source to the listening position....
US-8,559,611 Audio signal routing
A communication system that includes multiple conferencing devices connected in a daisy-chain configuration is communicably connected to far-end conference...
US-8,559,570 Cancellation of undesired portions of audio signals
In one embodiment, the present invention includes a method for determining when a step change occurs to a control value for a numerically controlled oscillator...
US-8,559,466 Selecting discard packets in receiver for voice over packet network
A method includes receiving at a receiver a voice signal in the form of a sequence of data packets, and using an automatic level control (ALC) component of the...
US-8,558,951 Method, device and system for synchronizing audio/video signals
A method and device for synchronizing audio/video signals is provided. A first and a second auxiliary signal are generated, wherein the first and the second...
US-8,558,706 Wireless alarm intercom system
A wireless electronic intercom system with integrated smoke alarm and over-temperature detection capabilities with the capability of providing audio...
US-8,558,618 Versatile audio power amplifier
An audio power amplifier includes a first and a second amplification unit, each including a switching voltage amplifier, an output filter, a current...
US-8,554,884 Setting and modifying method of user operating interface for use in digital audio/video playback system
A setting and modifying method of a user operating interface is used between a user device and a digital audio/video signal receiving and processing device...
US-8,554,569 Quality improvement techniques in an audio encoder
An audio encoder implements multi-channel coding decision, band truncation, multi-channel rematrixing, and header reduction techniques to improve quality and...
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