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Searching: audio signal





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Patent # Description
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...
US-8,867,748 Wireless personal listening system and method
A personal listening system uses the FM broadcast band for transmission and reception. The system includes a base unit and physically separate right- and...
US-8,867,722 Source selection for conference bridges
The present invention provides an audio source selection process for a conference bridge. The conference bridge receives multiple audio sources and selects at...
US-8,867,610 System and methods for video and audio data distribution
Data compression and decompression methods for compressing and decompressing data based on an actual or expected throughput (bandwidth) of a system. In one...
US-8,867,571 Systems, methods and apparatus for transmitting data over a voice channel of a wireless telephone network
The various embodiments described herein generally provide apparatus, systems and methods which facilitate the transmission of data between a client device and...
US-8,867,527 Speech processing peripheral device and IP telephone system
There are provided with an IP telephone system having both convenience of the softphone and durability of the hardphone, and a speech processing peripheral...
US-8,867,313 Audio based localization
Methods of and systems for determining a location of a mobile device using transmitted audio signals is provided. In an embodiment, meta data included in the...
US-8,866,559 Hybrid modulation method for parametric audio system
A parametric audio system that permits greater control over the bandwidth of a modulated signal. The system includes a carrier signal generator for generating a...
US-8,865,991 Portable music player
A portable music player for the playback of a digital audio file comprises a memory for storing a plurality of digital audio files; an audio output; a control...
US-D715,846 Data recording device
US-8,862,511 Providing audio-based financial asset information
In one embodiment, a mechanism for providing real-time audio-based financial asset information is disclosed. In one embodiment, a method includes receiving a...
US-8,862,480 Audio encoding/decoding with aliasing switch for domain transforming of adjacent sub-blocks before and...
An apparatus for encoding an audio signal includes the windower for windowing a first block of the audio signal using an analysis window having an aliasing...
US-8,862,463 Adaptive time/frequency-based audio encoding and decoding apparatuses and methods
Adaptive time/frequency-based audio encoding and decoding apparatuses and methods. The encoding apparatus includes a transformation & mode determination unit to...
US-8,862,320 Method and apparatus for ambient lighting incoming message alert
A system includes a processor configured to receive settings for one or more vehicle ambient lighting activation sequences. The processor is further configured...
US-8,862,220 Artifact cancellation in hybrid audio prostheses
A system and method are described for determining an estimated neural response in a hybrid electric acoustic audio prosthesis. Target nerve tissue such as...
US-8,861,775 Stereo system and speakers for a watercraft
A speaker and stereo system for a watercraft are disclosed. The stereo system includes an amplifier sized and adapted to fit within an internal compartment of...
US-8,861,773 Speaker module and related electronic device
A speaker module is capable of adjusting an outputting direction of an audio signal. The speaker module includes a base, a supporter, a speaker and a lifting...
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