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Searching: audio signal





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Patent # Description
US-8,879,742 Apparatus for determining a spatial output multi-channel audio signal
An apparatus for determining a spatial output multi-channel audio signal based on an input audio signal and an input parameter. The apparatus includes a...
US-8,879,741 Speaker array apparatus and sound beam control method
A speaker array apparatus includes a speaker array and a control section that controls audio signals corresponding to channels respectively so that the speaker...
US-8,879,740 System and method for faster response time in stereo/mono detection
An audio receiver may include a mono/stereo detector that causes the audio receiver to output either a monophonic or a stereophonic signal based on a difference...
US-8,879,722 Wireless communication earpiece
An apparatus is a wireless communication earpiece. The wireless communication earpiece includes an earmount portion that is capable of positioning the apparatus...
US-8,879,721 Audio communication system
An audio communication system includes a first analog/digital convertor, a second analog/digital convertor, and an echo canceller. The first analog/digital...
US-8,879,720 Acoustic echo cancellation using a variable length adaptive filter
An audio conferencing system having a base station, a loud speaker and one or more microphones generally operates to receive a F.E. audio signal, play the...
US-8,879,438 Resource efficient acoustic echo cancellation in IP networks
System and methods provide acoustic echo monitoring and cancellation for real time media processing in an internet protocol (IP) media server in an IP network....
US-8,876,003 Read head device with selected output jack characteristics
A read head is configured to be coupled to the mobile device. The read head is positioned in a housing. The read head has a slot for swiping a magnetic stripe...
US-8,875,217 Receiver
A delay controller performs a delay control so as to stepwise increase a first delay amount in a first delay generator or second delay generator so as to...
US-8,875,216 Methods and apparatus for dynamic volume punch-through
Methods and apparatus for dynamic volume punch through in a home entertainment system that includes a client device that receives programming signals coupled to...
US-8,875,214 Television
In a television, which can be connected to a portable information terminal, it is possible to display video based on the data of a multimedia file stored on a...
US-8,875,193 Wireless multimedia system
Methods and systems for a novel multi-media macro-network. A Picon media server is connected with variety of high data rate sources including high definition...
US-8,875,192 Method and apparatus for multiple audio outputs
A method for transmitting audio signals. The method of transmitting audio signals may include separately transmitting a video signal and an audio signal....
US-8,875,168 Audio/Video monitoring service using set-top boxes and application servers
An audio/video monitoring system is disclosed, comprising a combination of one or more set-top boxes and application servers in a service provider's network....
US-8,874,748 Method and system for combining and/or blending multiple content from different sources in a broadband gateway
A method and system are provided in which a broadband gateway may receive different content from different sources, may combine the content to produce a...
US-8,874,450 Hierarchical audio frequency encoding and decoding method and system, hierarchical frequency encoding and...
Hierarchical audio coding and decoding method and system and hierarchical audio coding and decoding method for transient signals are provided. In the present...
US-8,874,449 Method and apparatus for downmixing multi-channel audio signals
Downmixing multi-channel audio signals to target channels by pre-downmixing frequency coefficients that are encoded using a most frequently used block type in...
US-8,874,441 Noise suppression using multiple sensors of a communication device
Techniques are described herein that suppress noise using multiple sensors (e.g., microphones) of a communication device. Noise modeling (e.g., estimation of...
US-8,874,245 Effects transitions in a music and audio playback system
A music and audio playback system enables an operator to control an audio effect for transitioning an audio output signal from a first audio source to a second...
US-8,874,175 Converting samples of a signal at a sample rate into samples of another signal at another sample rate
In an embodiment, an apparatus includes a determiner, converter, adapter, and modifier. The determiner is configured to generate a representation of a...
US-8,873,779 Hearing apparatus with own speaker activity detection and method for operating a hearing apparatus
A method and device for reliably detecting one's own voice being the wearer of a hearing apparatus. A hearing apparatus includes at least two independent...
US-8,873,777 Variable directivity condenser microphone
A first diaphragm FD and a second diaphragm RD are respectively arranged across a fixed electrode BP at both sides to constitute the variable directivity...
US-8,873,774 Audio mixer
Managing audio of a device including transmitting a signal through a port of the device in response to an audio device coupling to the port, initializing an...
US-8,873,770 Audio processing pipeline for auditory prosthesis having a common, and two or more stimulator-specific,...
An audio processing pipeline, for an auditory prosthesis, includes: a common stage, including a common frequency analysis filter bank, configured to generate a...
US-8,873,768 Method and apparatus for audio signal enhancement
A method for audio signal enhancement comprising obtaining (222) a first audio signal from a first physical microphone element and obtaining a second audio...
US-8,873,767 Audio or audio/visual interactive entertainment system and switching device therefor
The present invention concerns an audio switching device for an audio or audio/video entertainment system having multiple audio channels; the device comprising...
US-8,873,761 Audio signal processing device and audio signal processing method
An audio signal processing device includes: head related transfer function convolution processing units convoluting head related transfer functions with audio...
US-8,873,640 Wide-band multi-format audio/video production system with frame rate conversion
A multi-format digital video production system enables a user to process an input video program to produce an output version of the program in a final format...
US-8,872,885 System and method for a conference server architecture for low delay and distributed conferencing applications
Systems and methods for conducting a multi-endpoint video signal conference are provided. Conferencing endpoints are linked by pairs of a reliable and a less...
US-8,872,814 System and method for converting media from a lower dimension representation to a higher dimension representation
The system includes a module to receive data representing media content, such as a video image, a photograph, and an audio or video file, each being of a first...
US-8,872,641 Premises-based wireless alert system for automotive tall cargo
This disclosure describes systems, methods, and apparatuses for providing visual and audio warnings to a vehicle driver warning of cargo on the vehicle roof...
US-8,872,584 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-8,870,792 Physiological acoustic monitoring system
A physiological acoustic monitoring system receives physiological data from an acoustic sensor, down-samples the data to generate raw audio of breathing sounds...
US-8,870,087 Thermostat control device with integrated feedback and notification capability
An environmental control device is disclosed and includes a temperature sensor, an audio module, an input/out module operatively connected to an environmental...
US-8,870,071 Read head device with selected sampling rate
A read head is provided that is configured to be coupled to a mobile device. The read head has a slot for swiping a magnetic stripe of a financial transaction...
US-8,868,631 Method for processing a signal, in particular a digital audio signal
The invention relates to a method for processing a signal, in particular a digital audio signal, suitable for being implemented by a digital signal processor...
US-8,868,432 Audio signal bandwidth extension in CELP-based speech coder
A method for decoding an audio signal having a bandwidth that extends beyond a bandwidth of a CELP excitation signal in an audio decoder including a CELP-based...
US-8,868,418 Receiver intelligibility enhancement system
Embodiments of the invention provide a communication device and methods for enhancing audio signals. A first audio signal buffer and a second audio signal...
US-8,868,417 Handset intelligibility enhancement system using adaptive filters and signal buffers
Embodiments of the invention provide a communication device and methods for enhancing audio signals. A first audio signal buffer and a second audio signal...
US-8,868,414 Audio signal processing device with enhancement of low-pitch register of audio signal
An audio signal processing device is designed to enhance the low-pitch register of an audio signal by generating harmonics causing a missing fundamental effect...
US-8,868,223 Positioning using audio recognition
Systems and methods for determining location based on audio fingerprinting are disclosed. An extraction component extracts a set of interest points from an...
US-8,868,195 Phase triggered envelope sampler
A method of generating electrode stimulation signals for an implanted electrode array is described. An acoustic audio signal is processed to generate band pass...
US-8,867,994 Signal transmission via body conduction
Methods and apparatus for signal transmission via body conduction are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or...
US-8,867,773 Audio processing device
An audio processing device including a first audio collecting unit configured to convert an audio vibration into an electric signal and acquire an audio signal...
US-8,867,762 Audio towing handle
One embodiment provides a system and method for an audio handle. The audio handle includes a rope, the rope including a first end operable to be attached to a...
US-8,867,760 Mixer
In a mixer, each input channel adjustment unit includes a main system unit that generates a main system signal, and a plurality of MIX send units that generate...
US-8,867,757 Microphone under keyboard to assist in noise cancellation
A system includes a first housing that houses a plurality of mechanical keys. A first microphone that is configured to detect a dynamic noise is located within...
US-8,867,753 Apparatus, method and computer program for upmixing a downmix audio signal
An apparatus for upmixing a downmix audio signal describing one or more downmix audio channels into an upmixed audio signal describing a plurality of upmixed...
US-8,867,751 Method, medium, and system encoding/decoding a multi-channel audio signal, and method medium, and system...
A method, medium, and system encoding and/or decoding a multi-channel audio signal, and a method, medium, and system decoding a signal down-mixed from...
US-8,867,750 Surround sound virtualizer and method with dynamic range compression
Method and system for generating output signals for reproduction by two physical speakers in response to input audio signals indicative of sound from multiple...
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