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Searching: audio signal





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Patent # Description
US-9,520,136 Frame error concealment method and apparatus, and audio decoding method and apparatus
Disclosed are a frame error concealment method and apparatus and an audio decoding method and apparatus. The frame error concealment (FEC) method includes:...
US-9,520,135 Reconstructing audio signals with multiple decorrelation techniques
A method performed in an audio decoder for decoding M encoded audio channels representing N audio channels is disclosed. The method includes receiving a...
US-9,520,134 System for perceived enhancement and restoration of compressed audio signals
A system for processing compressed audio includes a signal enhancer module configured to generate one or more signal treatments. The one or more signal...
US-9,520,122 Audio apparatus and controlling method thereof
An audio apparatus and method are provided. The method includes receiving, by a controller, first audio data and second audio data and processing the first...
US-9,519,792 Copyright protection
A method and computing system for receiving a plurality of discrete audio signals from a plurality of participants of a synchronous communication session. The...
US-9,519,708 Multiple concurrent audio modes
Embodiments described herein include devices and processes for concurrently processing different audio streams with different hardware-based audio processing...
US-9,519,619 Data processing method and device for processing speech signal or audio signal
A data processing method is disclosed, including: twiddling input data, so as to obtain twiddled data; pre-rotating the twiddled data by using a symmetric...
US-9,519,602 Audio jack system
This application discusses a system that can include a master device and a slave device coupled to the master device via an audio jack connector. In an example,...
US-9,519,454 Acoustic signatures
Embodiments described herein provide for acoustic signatures in a playback system. An example implementation involves receiving, from a microphone of the...
US-9,519,346 Low-frequency effects haptic conversion system
A system is provided that produces haptic effects. The system receives an audio signal that includes a low-frequency effects audio signal. The system further...
US-9,517,724 Acoustic signaling system for electric or hybrid vehicles
The acoustic signaling system for electric, hybrid vehicles or the like, which can be installed on an electric vehicle or the like, includes: an amplifier...
US-9,516,446 Scalable downmix design for object-based surround codec with cluster analysis by synthesis
In general, techniques are described for grouping audio objects into clusters. In some examples, a device for audio signal processing comprises a cluster...
US-9,516,444 Wireless control and calibration of audio system
An audio system includes an enclosure, a speaker disposed in the enclosure, an audio source for providing an audio signal, and a controller. The controller is...
US-9,516,443 Non-linear control of loudspeakers
A nonlinear control system is disclosed. More particularly, a nonlinear control system including a controller, an audio system, and a model is disclosed. The...
US-9,516,431 Spatial enhancement mode for hearing aids
Described herein are techniques for artificially enhancing spaciousness in a hearing aid to improve the music listening experience. Such spatial enhancement is...
US-9,516,416 Multi-loudspeaker active noise cancelling headphone providing stereo effct and improved ambient noise reduction
A multi-loudspeaker active noise cancelling headphone that can provide stereo effect and improve the performance of ambient noise reduction employs an active...
US-9,516,411 Signal-separation system using a directional microphone array and method for providing same
A signal separation system using directional microphone array and a method for providing same. The signal separation system using directional microphone array...
US-9,516,407 Active noise control with compensation for error sensing at the eardrum
A personal listening system has an active noise control (ANC) controller that produces an anti-noise signal. A head worn audio device for a user has a speaker...
US-9,516,405 Multimedia playing system and sound channel control method thereof
A multimedia playing system is provided. A portable electronic device includes a first dock port, a second dock port, a power module, an audio processor and a...
US-9,516,401 Wireless in-ear headphones
A headphone system including a first earpiece, a second earpiece, and a coupler. The headphone system receives a wireless signal having audio content from an...
US-9,516,398 Method and system of extending battery life of a wireless microphone unit
A method of extending battery life of a wireless microphone unit includes muting the wireless microphone unit responsive to a mute signal from a base station...
US-9,516,381 Media device power management techniques
Techniques and architecture are disclosed for managing power use during operation of an electronic device capable of processing and/or playback of audio and/or...
US-9,516,291 Television systems incorporating separate A/V processing systems and television displays
Television systems are disclosed that incorporate separate A/V processing systems and television displays. The television displays can receive video driving...
US-9,516,159 System and method of double talk detection with acoustic echo and noise control
System of improving sound quality includes loudspeaker, microphone, accelerometer, acoustic-echo-cancellers (AEC), and double-talk detector (DTD). Loudspeaker...
US-9,516,037 Decoding of encrypted file
A method and system for decoding an encrypted file. A recipient computer of a recipient: extracts an encoded address from a filename of the encrypted file,...
US-9,515,629 Adaptive audio equalization for personal listening devices
An audio processor has an active noise cancellation (ANC) processor to compute an S-filter, which estimates a transfer function from an earpiece speaker, that...
US-9,515,627 Devices and methods for audio volume adjustment
Systems, devices and methods are provided for audio volume adjustment. For example, a noise volume level of current ambient noise and a first volume level of a...
US-9,515,626 Digital/analogue conversion
The application relates to digital to analogue conversion circuits having dynamic gain control. A digital variable gain element (102) may apply gain to an input...
US-9,515,620 Amplifier arrangement comprising a master amplifier and at least one slave amplifier
An amplifier arrangement for amplifying at least one first and one second audio input signal. In one embodiment, the arrangement includes a master amplifier...
US-9,515,619 Amplifier arrangement with limiting module
An amplifier arrangement for amplifying an audio input signal AES into an audio output signal AAS, having a conditioning apparatus for converting the audio...
US-9,515,617 Audio amplifier using multi-level pulse width modulation
The present invention relates in one aspect to a class D audio amplifier with improved output driver topology supporting multi-level output signals such as...
US-9,515,425 Electrical socket
An audio interface (1) comprising a socket (3) arranged to receive a plug (30), the socket arranged to transfer an audio signal to the plug when connected to...
US-9,514,767 Device, method and computer program for freely selectable frequency shifts in the subband domain
A device for producing a frequency-shifted audio signal based on an audio input signal is provided. The device has an interface and a frequency-shifting unit....
US-9,514,766 Computationally efficient data rate mismatch compensation for telephony clocks
Differing first and second audio signal sample rates from first and second audio signals are matched to each other. If signal sample rates are different, a...
US-9,514,763 Noise reduction via tuned acoustic echo cancellation
An embodiment provides a method, including: accessing a tuned corrective mask stored in a memory device; forming, using a processor, a tuned acoustic echo...
US-9,514,762 Audio signal coding method and apparatus
The present invention relates to an audio signal coding method and apparatus. The method includes: categorizing audio signals into high-frequency audio signals...
US-9,514,761 Audio encoder and decoder for interleaved waveform coding
There is provided methods and apparatuses for decoding and encoding of audio signals. In particular, a method for decoding includes receiving a waveform-coded...
US-9,514,760 Down-mixing compensation for audio watermarking
Example methods, apparatus, systems and articles of manufacture to implement down-mixing compensation for audio watermarking are disclosed. Example watermark...
US-9,514,759 Method and apparatus for performing an adaptive down- and up-mixing of a multi-channel audio signal
A method and apparatus for performing an adaptive down-mixing of a multichannel audio signal comprising a number of input channels, wherein a signal adaptive...
US-9,514,758 Method and an apparatus for processing an audio signal
A method of processing an audio signal, the method including receiving a downmix signal including at least one object signal, and object information extracted...
US-9,514,757 Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal...
A stereo signal encoding device is provided that enables a lower bitrate without decreasing quality when applying an intermittent transmission technique to a...
US-9,514,755 Position-dependent hybrid domain packet loss concealment
The present document relates to audio signal processing in general, and to the concealment of artifacts that result from loss of audio packets during audio...
US-9,514,749 Method and electronic device for easy search during voice record
An electronic device for allowing the user not to terminate audio recording while at the same time checking the content corresponding to a recorded portion in...
US-9,514,619 Apparatus, systems, and methods for signal localization and differentiation
Apparatus, systems, and methods for providing transmission and localized reception of audio, visual, and tactile signaling are taught for a myriad of useful...
US-9,514,129 Technologies for providing textual information and systems and methods using the same
Technologies for providing textual information are described. In some embodiments the technologies include an audio sensor, a loudspeaker, and a voice to text...
US-9,513,865 Microphone calibration
Examples described herein involve calibration of a microphone of a network device based on a first signal detected by the microphone of the network device and a...
US-9,513,861 Systems and methods for discovering wireless display devices using inaudible audio signals
The present disclosure relates to computer-implemented systems and methods for wireless display discovery. The method may include receiving, by a computer, a...
US-9,513,727 Touch input surface microphone
Processing an audio signal is disclosed. The audio signal is received from a sensor coupled to a touch input medium. An indication of an event where the touch...
US-9,513,602 Waking alarm with detection and aiming of an alarm signal at a single person
An alarm clock is mounted above a bed and uses a thermal sensor to identify the location of each person sleeping in the bed and to direct light and sound to...
US-9,513,007 Electrical isolation device
An isolation device is fitted to a mains electrical supply for a hydrocarbon burning appliance and is adapted to operate in response to an audible alarm signal...
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