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Searching: audio signal





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Patent # Description
US-9,406,310 Vehicle voice interface system calibration method
A vehicle voice interface system calibration method comprising electronically convolving voice command data with voice impulse response data, electronically...
US-9,406,309 Method and an apparatus for generating a noise reduced audio signal
A method and apparatus are provided for generating a noise reduced output signal from sound received by a first microphone. The method includes transforming the...
US-9,406,308 Echo cancellation via frequency domain modulation
Methods, systems, and computer programs are presented for suppressing echo in network communications. One method includes an operation for filtering, with a...
US-9,406,307 Method and apparatus for polyphonic audio signal prediction in coding and networking systems
A method, device, and apparatus provide the ability to predict a portion of a polyphonic audio signal for compression and networking applications. The solution...
US-9,406,306 Signal processing apparatus and method, and program
A method, system, and computer program product for processing an encoded audio signal is described. In one exemplary embodiment, the system receives an encoded...
US-9,406,305 Messaging by writing an image into a spectrogram
A message is communicated between devices by passing a host signal, such as an audio signal, with the message written into the spectrogram of the host signal....
US-9,406,304 Method, apparatus, and system for processing audio data
A method, an apparatus, and a system for processing audio data are provided that pertain to the field of communications technologies. The method includes:...
US-9,406,302 Method and apparatus for processing a multi-channel audio signal
The invention relates to a method for processing a multi-channel audio signal which carries a plurality of audio channel signals. The method comprises...
US-9,406,293 Apparatuses and methods to detect and obtain desired audio
A device and method to detect desired audio includes a ratio calculator. The ratio calculator calculates a ratio between a primary acoustic signal, and a...
US-9,405,826 Systems and methods for digital signal processing
Systems and methods are provided for audio processing. A system includes: a component manager and a pipeline manager. The component manager is configured to...
US-9,405,501 System and method for automatic synchronization of audio layers
Methods and systems for synchronizing audio layers is disclosed. In one aspect, a method of synchronizing audio layers to form an audio composition includes...
US-9,405,439 Audio signal controller
It is determined whether user's operation performed on a control is normal or special operation. A function of increasing or decreasing a value of a parameter...
US-9,403,005 Systems and methods for optimizing a compliance voltage of an auditory prosthesis
An exemplary sound processor 1) sets a current steering range for a stimulation channel defined by first and second physical electrodes communicatively coupled...
US-9,402,596 Bowel sound analysis method and system
A bowel sound analysis method and system utilizes an audio collection apparatus to continuously monitor an abdominal cavity of an examinee and collect a bowel...
US-9,402,179 Inductive pickup coil for secure pairing
Techniques and systems are provided for facilitating secure pairing of a client device with a remote device using a inductive pickup coil in the client device...
US-9,402,144 Apparatus for changing an audio scene and an apparatus for generating a directional function
An apparatus for changing an audio scene has a direction determiner and an audio scene processing apparatus. The audio scene has at least one audio object...
US-9,402,143 Method for processing an audio signal, audio playback system, and processing unit for processing audio signals
Method of processing an audio signal, audio reproduction system, and processing unit for conditioning audio signals. The audio signal includes at least first...
US-9,402,133 Multi-channel audio vibratory entertainment system
An entertainment system according to an embodiment of the present application includes a portable media device configured to produce an audible output signal,...
US-9,402,132 Limiting active noise cancellation output
In general, techniques are described for limiting active noise cancellation output. As one example, an apparatus comprising one or more processors may perform...
US-9,402,130 Wind noise reducing circuit
A high-pass filter is configured to remove a low-pass filter component of a first channel audio signal and a low-pass filter component of a second channel audio...
US-9,402,129 Audio control method and audio player using audio control method
An audio control method of an audio player, the audio player includes an audio playing unit having a first channel and a second channel, and an audio control...
US-9,402,128 Adaptive rail power amplifier technology
Adaptive rail power amplifier technology processes an audio signal by feeding the audio signal to the power amplifier to produce an output signal, applying...
US-9,401,998 Robust DTMF detection in an unreliable voice-over-IP (VoIP) environment
A method to discriminate a signal as a DTMF digit is operative in a service provider having a VoIP-based media server. The media server accepts both in-band...
US-9,401,996 Synchronizing audio signal sampling in a wireless, digital audio conferencing system
A digital audio conferencing system has a fixed base station that is in communication with a far end (R.E.) system over a communication network. The base...
US-9,401,816 Protection ring in an automotive network
A system and method to provide a protection ring in an Audio Visual Bridging (AVB) network is provided. The method includes the steps of monitoring a first...
US-9,401,730 Two way radio and peripheral devices
A two way radio includes a first push to talk button and a second push to talk button. The first push to talk button is configured to cause transmission of a...
US-9,401,686 Volume control assembly
A volume control assembly includes a housing that may be positioned proximate an external electronic device. A processor is coupled to the housing. A loud...
US-9,401,685 Systems and methods for adjusting automatic gain control
Automatic gain control systems disclosed herein can incorporate a confidence metric that can estimate the accuracy of gain adjustments calculated by an...
US-9,401,154 Systems and methods for recognizing sound and music signals in high noise and distortion
A method for recognizing an audio sample locates an audio file that closely matches the audio sample from a database indexing a large set of original...
US-9,401,153 Multi-mode audio recognition and auxiliary data encoding and decoding
Audio signal processing enhances audio watermark embedding and detecting processes. Audio signal processes include audio classification and adapting watermark...
US-9,401,152 System for maintaining reversible dynamic range control information associated with parametric audio coders
On the basis of a bitstream (P), an n-channel audio signal (X) is reconstructed by deriving an m-channel core signal (Y) and multichannel coding parameters...
US-9,401,151 Parametric encoder for encoding a multi-channel audio signal
The invention relates to a parametric audio encoder, comprising a parameter generator, the parameter generator being configured to determine a first set of...
US-9,401,150 Systems and methods to detect lost audio frames from a continuous audio signal
A method to detect audio frame losses over a link to a device under test (DUT), such as a User Equipment (UE), includes preparing an input sequence, combining...
US-9,401,149 Image display apparatus and method of controlling the same
Provided are an image display apparatus and a method of controlling the same. The image display apparatus enabling voice recognition includes: a first voice...
US-9,401,144 Voice gestures
A voice gesture is determined from characteristics of an audio signal based on sound uttered by a user. The voice gesture may represent a command or parameters...
US-9,401,140 Unsupervised acoustic model training
An unsupervised acoustic modeling service for speech recognition is disclosed. A computing device may be present in a listening zone, such as a household or...
US-9,400,630 Systems and methods for enhanced speech recognition interface on mobile device
Certain implementations of the disclosed technology include systems and methods for an enhanced speech recognition interface. According to an example...
US-9,398,856 Thermal imaging system
Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an...
US-9,398,790 Personal recording necklace and pendant system
A discreet personal recording necklace and pendant system for recording an audio signal for playback is suspended around a neck of a user. The system features a...
US-RE46,082 Method and apparatus for low bit rate encoding and decoding
An apparatus and method of low bit rate encoding and reproducing. The method includes transforming input audio signals in a time domain into spectral signals in...
US-9,398,670 Remotely controlled holiday lighting and sound system
A remotely controlled holiday lighting and sound system provides a remotely controlled and decorated control module that integrates into a holiday symbol, such...
US-9,398,620 Simultaneous voice and audio traffic between two devices on a wireless personal-area network
A wireless personal-area network (PAN) communication system includes a first device configured to simultaneously transmit a digitized stereo audio signal to and...
US-9,398,394 System and method for stereo field enhancement in two-channel audio systems
The present invention provides methods and systems for digitally processing audio signals in two-channel audio systems and/or applications. In particular, the...
US-9,398,391 Stereo widening over arbitrarily-configured loudspeakers
A system and method are disclosed for effective and simple stereo widening over arbitrarily-configured speakers and its real-time implementation. According to...
US-9,398,388 Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
The present invention relates to a method and a circuit for testing a tweeter. The tweeter is part of a loudspeaker system. The method includes the steps of:...
US-9,398,382 Auditory prosthesis stimulation rate as a multiple of intrinsic oscillation
A method is described for generating electrical stimulation signals for stimulation contacts in an auditory implant system. Characteristic feature periods are...
US-9,398,381 Hearing instrument
An audio system includes a headset and a portable computing device. The headset includes a first speaker and a first microphone, a second speaker, a second...
US-9,398,374 Systems and methods for nonlinear echo cancellation
In accordance with embodiments of the present disclosure, an audio processing circuit for use in an audio device may perform non-linear acoustic echo...
US-9,398,372 Operation device, reproduction system, operation method of operation device and program
The DJ controller 10 has a load operation member 82 that loads audio signals to each channel, a synchronization button 84 that realizes a beat synchronization...
US-9,398,367 Suspending noise cancellation using keyword spotting
Aspects of the disclosure provide suspension of noise cancellation at a noise-cancelling device using keyword spotting. In one aspect, a predetermined word or...
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