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Searching: audio signal





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Patent # Description
US-8,670,989 Appartus and method for coding and decoding multi-object audio signal with various channel
Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals...
US-8,670,988 Audio encoding/decoding apparatus and method providing multiple coding scheme interoperability
There is provided an audio encoding device capable of causing a decoding side to freely select an audio decoding mode corresponding to a control method used for...
US-8,670,983 Speech signal similarity
A method for determining a similarity between a first audio source and a second audio source includes: for the first audio source, determining a first frequency...
US-8,670,982 Method and device for carrying out optimal coding between two long-term prediction models
Disclosed is a system and method for implementing compression coding of audio signals, such as speech signals, using two long-term prediction (LTP) models. The...
US-8,670,853 Analog-to-digital converter, sound processing device, and analog-to-digital conversion method
The invention provides a sound processing device. In one embodiment, the sound processing device comprises a first microphone, a first analog-to-digital...
US-8,670,850 System for modifying an acoustic space with audio source content
An audio signal processing system is configured to separate an audio signal into a dry signal component and one or more reverberant signal components. The dry...
US-8,670,655 Recording medium containing supplementary service information for audio/video contents, and method and...
The present invention relates to method and apparatus of providing supplementary service information for A/V contents written in a recording medium. This method...
US-8,670,584 Hearing device
Among other things, embodiments of systems for assisting hearing for individuals are disclosed. A hand-carryable transceiver having inputs for sound or other...
US-8,670,576 Method and an apparatus for processing an audio signal
A method of processing an audio signal is disclosed. The present invention includes receiving a downmix signal including at least one object signal and object...
US-8,670,575 Method and an apparatus for processing an audio signal
A method of processing an audio signal, comprising: receiving a downmix signal, a residual signal and object information; extracting at least one of a...
US-8,670,572 Analog-to-digital converter and analog-to-digital conversion method
The invention provides an analog-to-digital converter. In one embodiment, the analog-to-digital converter receives a first audio signal from a microphone, and...
US-8,670,570 Environmental effects generator for digital audio signals
An device and method of generating environmental reverberation effects for digital audio signals is presented. The device includes a reverberation controller....
US-8,670,554 Method for encoding multiple microphone signals into a source-separable audio signal for network transmission...
A method is provided for encoding multiple microphone signals into a composite source-separable audio (SSA) signal, conducive for transmission over a voice...
US-8,667,161 Personal broadcast server system for providing a customized broadcast
A personal broadcast server system provides a customized broadcast to one or more users over a transmission media. A data storage device stores a plurality of...
US-8,666,754 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-8,666,753 Apparatus and method for audio encoding
A method and apparatus provides for encoding an audio signal. A bit rate value is received. A set of energy thresholds based on the bit rate value is selected....
US-8,666,751 Audio pattern matching for device activation
A system and method are disclosed for activating an electric device from a standby power mode to a full power mode. The system may include one or more...
US-8,666,740 Speech and noise models for speech recognition
An audio signal generated by a device based on audio input from a user may be received. The audio signal may include at least a user audio portion that...
US-8,666,733 Audio signal compression and decoding using band division and polynomial approximation
When encoding an audio signal, it is possible to efficiently encode the audio signal while maintaining high register signal components, and prevent...
US-8,666,732 High frequency signal interpolating apparatus
A high frequency signal interpolation apparatus provides, with a simple structure, a high-quality digital audio signal through interpolation of high frequency...
US-8,666,346 Robust FM modulation detector using signal autocorrelation
An FM receiver is unaware of the modulation level (frequency deviation) of the signal and has to make an estimate of it, or some reasonable time-average of it,...
US-8,666,314 Bluetooth transmission facility for hearing devices, and corresponding transmission method
A wireless audio transmission, for example from a television to a hearing device, is to be achieved simply and with a low signal delay. For this purpose are...
US-8,666,219 Telephone call recording interface cable assembly for smartphones
An interface cable assembly, which enables the user of either an iPhone.RTM. or Android.RTM. smartphone to record both incoming and outgoing telephone...
US-8,666,104 Lighting and audio communication system
A lighting and communication system with a horn enclosure for recessed ceiling panel or wall mounting, including a speaker with a horn expansion area to direct...
US-8,666,099 Hearing aid and a method for alleviating tinnitus using a notch filter
A hearing aid (62, 72, 82, 92, 102, 112) adapted for alleviating tinnitus of a user (75), comprises an audio input means (83), a signal processing unit (88, 98,...
US-8,666,097 Electrostatic speaker
An electrostatic speaker is constituted of upper/lower electrodes, upper/lower cushion materials, and a diaphragm. Cutouts are formed in the upper/lower...
US-8,666,096 Device and process for using audio plug-ins in a mixer
The present invention pertains to a device for using audio plug-ins in a mixer, provided with a mixer and a computer, whereby the mixer has a control panel and...
US-8,666,094 Drive control method of electrostatic-type ultrasonic transducer, electrostatic-type ultrasonic transducer,...
A push-pull-type electrostatic-type ultrasonic transducer includes a first electrode having through holes, a second electrode having through holes each of which...
US-8,666,093 Processing an audio input signal to produce a processed audio output signal
An audio input signal is processed to produce a processed audio output signal. An audio input signal is received as an original signal. The audio input signal...
US-8,666,092 Noise estimation
A method and apparatus are provided for estimating the noise spectrum of an audio signal occupying a certain frequency range. The amplitude of the audio signal...
US-8,666,089 Adaptive night-time high definition (HD) signal sensitivity threshold for HD radio receivers
A vehicle has a lighting control module and a HD radio receiver. The lighting control module provides an indication of daytime operation of the vehicle and an...
US-8,666,084 Method and arrangement for training hearing system users
The inventor has found that a considerable portion of hearing system users have a considerable lack of understanding the effect of adjusting adjustable audio...
US-8,666,081 Apparatus for processing a media signal and method thereof
A method for processing a media signal, comprising: receiving, by an audio processing apparatus, an audio signal including a first channel signal and a second...
US-8,666,080 Method for processing a multi-channel audio signal for a binaural hearing apparatus and a corresponding hearing...
Wearers of hearing apparatuses and in particular of hearing device systems having two speakers are to be able to enjoy the experience of spatial multi-channel...
US-8,666,047 High quality audio conferencing with adaptive beamforming
Systems and methods that enable high quality audio teleconferencing are disclosed. In one embodiment of the present invention, a signal processor receives...
US-8,666,030 Voice and video over a shared telephone line
A system for alternately transmitting an audio signal and a video signal over a single voice grade telephone line is disclosed. The system includes an apparatus...
US-8,666,014 Reproduction apparatus
A reproduction apparatus includes a setter configured to set at least one language, a separator configured to separate and output a video signal and an audio...
US-8,665,321 Image display apparatus and method for operating the same
An image display apparatus and a method for operating the same are disclosed. The method for operating an image display apparatus includes receiving a...
US-8,665,320 Method and apparatus for automatic synchronization of audio and video signals
Described herein are techniques which facilitate the automatic synchronization of audio and video signals between an entertainment device and a presentation...
US-8,665,115 Accessible pedestrian signal system
Methods and systems are provided for conflict monitoring and error detection in accessible pedestrian signal systems. A primary conflict monitor and error...
US-8,665,106 Personal audio cable alarm device
The present invention relates to a personal audio cable device comprising a personal alarm being easily accessible to a user. The personal audio device is...
US-8,664,505 Method for synchronizing at least one multimedia peripheral of a portable communication device with an audio...
A method for synchronizing a number R greater than or equal to 1 of multimedia peripherals (6) of a portable communication device with an audio file (1),...
US-8,661,488 Network AV device and AV network system
In an AV network system where one or more servers and digital TVs are connected to a network, and a server connected to the network is also connected to a...
US-8,660,676 Mitigating the impact of nonlinear echos by dynamic range compression
Mitigation of nonlinear echoes by dynamic range compression may be provided. An audio output may be evaluated to determine whether nonlinear echoes are...
US-8,660,657 Systems and methods of facilitating manual adjustment of one or more cochlear implant system control parameters
An exemplary cochlear system includes a sound processing unit configured to process an audio signal, an implantable cochlear stimulator communicatively coupled...
US-8,660,581 Mobile device indoor navigation
A method for indoor navigation in a venue derives positioning of a mobile device based on sounds captured by the microphone of the mobile device from the...
US-8,660,479 Digital radio broadcast receiver, broadcasting methods and methods for tagging content of interest
A digital radio broadcast system includes a processing system that receives first audio content, first program data identifying a first item for the first audio...
US-8,660,285 Accessory adapter for cochlear implant system providing simultaneous T-mic and external audio input
A special accessory adapter for use with a BTE device of a cochlear implant (CI) system provides two inputs: a T-Mic input and an auxiliary audio input. Both...
US-8,660,280 Methods and apparatus for providing a distinct perceptual location for an audio source within an audio mixture
In accordance with a method for providing a distinct perceptual location for an audio source within an audio mixture, a foreground signal may be processed to...
US-8,660,278 Headset systems and methods
A digital audio player device can be attached, adhered, or otherwise embedded into or upon a removable oral appliance or other oral device to form an intraoral...
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