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Searching: audio signal





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Patent # Description
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...
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...
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