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Searching: audio signal





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Patent # Description
US-9,454,895 Use of optical reflectance proximity detector for nuisance mitigation in smoke alarms
Various methods, systems, and devices for identifying a low battery charge of a smoke detector are presented. For example, a device may include a smoke...
US-9,454,343 Creating spectral wells for inserting watermarks in audio signals
A method for a machine or group of machines to watermark an audio signal may include receiving the audio signal, receiving a watermark signal, creating a...
US-9,451,378 Method and apparatus to reproduce multi-channel audio signal in multi-channel speaker system
A method and an apparatus to reproduce a multi-channel audio signal, in which mixing of a center channel signal is performed with a center channel signal in a...
US-9,451,370 Method for operating a hearing device as well as a hearing device
A method for operating a hearing device worn by a hearing device user. The method includes picking up an audio signal (a) by an input transducer of the hearing...
US-9,451,369 Hearing aid with beamforming capability
A hearing aid includes a first microphone for providing a first audio input signal, a second microphone for providing a second audio input signal, a signal...
US-9,451,365 Voice coil speaker
There is provided a voice coil speaker containing a bobbin having multilayer voice coils formed thereon in which the bobbin and a circuit board are properly...
US-9,451,363 Method and apparatus for playback of a higher-order ambisonics audio signal
An advantage of Ambisonics representation is that the reproduction of the sound field can be adapted individually to nearly any given loudspeaker position...
US-9,451,360 Muting a sound source with an array of microphones
A processing system can include tracking microphone array(s), audio-tracking circuitry configured to detect a location of audio sources from audio signals from...
US-9,451,351 In-ear headphone
A headphone device includes a housing having a leakage hole to reduce pressure between a user's ear and the housing, a speaker positioned within the housing,...
US-9,451,349 Earphone assembly with moisture resistance
An acoustic system includes a conduit, a microphone coupled to an end of the conduit, and a rigid moisture resistant barrier coupled to another end of the...
US-9,451,300 System and method for providing an interactive, visual complement to an audio program
A system and method for providing an interactive, visual complement to one or more audio programs. In one aspect, the system comprises an audio subsystem for...
US-9,451,214 Indoor surveillance system and indoor surveillance method
A surveillance system and method are provided. The surveillance system includes an audio processing device which extracts an audio feature of an audio signal,...
US-9,451,119 Electronic device and method for synthesizing image with sound suitably using the same
An apparatus and a method for photographing an image in an electronic device having a camera are disclosed. The electronic device may include an image sensor,...
US-9,450,821 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-9,450,812 Remote system configuration via modulated audio
The user interface of a mobile computing device is used to configure a target system by establishing a physical connection between a mobile computing device and...
US-9,450,555 Gain control for an audio signal
A method and system for modifying an audio signal, the method comprising: receiving the audio signal at signal processing means; analysing the received audio...
US-9,450,551 Audio control using auditory event detection
In one disclosed aspect, modifications are applied to an audio signal at least partly in response to auditory events. In another aspect, an input channel is...
US-9,450,548 Method and apparatus for outputting audio signal
An apparatus for outputting audio signals. The apparatus for outputting audio signals includes a pulse density modulation (PDM) unit for PDM modulating an input...
US-9,449,615 Externally estimated SNR based modifiers for internal MMSE calculators
Acoustic noise in an audio signal is reduced by calculating a speech probability presence (SPP) factor using minimum mean square error (MMSE). The SPP factor,...
US-9,449,612 Systems and methods for speech processing via a GUI for adjusting attack and release times
Systems and methods described herein modify audio content on an electronic device. Embodiments can be configured to detect a mode of the electronic device to...
US-9,449,610 Speech probability presence modifier improving log-MMSE based noise suppression performance
Acoustic noise in an audio signal is reduced by calculating a speech probability presence (SPP) factor using minimum mean square error (MMSE). The SPP factor,...
US-9,449,609 Accurate forward SNR estimation based on MMSE speech probability presence
Acoustic noise in an audio signal is reduced by calculating a speech probability presence (SPP) factor using minimum mean square error (MMSE). The SPP factor,...
US-9,449,606 Audio encoder, audio decoder, methods for encoding and decoding an audio signal, and a computer program
An encoder for providing an audio stream on the basis of a transform-domain representation of an input audio signal includes a quantization error calculator...
US-9,449,604 Method for determining an encoding parameter for a multi-channel audio signal and multi-channel audio encoder
The invention relates to a method for determining an encoding parameter for an audio channel signal of a multi-channel audio signal, the method comprising:...
US-9,449,603 Multi-channel audio encoder and method for encoding a multi-channel audio signal
The invention relates to a method for determining an encoding parameter for an audio channel signal of a multi-channel audio signal, the method comprising:...
US-9,449,602 Dual uplink pre-processing paths for machine and human listening
In some implementations, a device for providing dual uplink processing paths may include a human listening (HL) input processing unit configured to receive an...
US-9,449,601 Methods and apparatuses for encoding and decoding object-based audio signals
An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The...
US-9,449,594 Adaptive phase difference based noise reduction for automatic speech recognition (ASR)
Embodiments of a system and method for adapting a phase difference-based noise reduction system are generally described herein. In some embodiments, spatial...
US-9,449,593 Detecting nonlinear amplitude processing
Disclosed is a computer system comprising an audio processing module, an echo cancellation module and a control module. The audio processing module is...
US-9,449,160 Methods and systems of adding a user account to a device
A method of adding a user account to an unassociated device may include detecting, by an associated device that is associated with a user account, an audio...
US-9,448,626 Sound to haptic effect conversion system using amplitude value
A haptic conversion system is provided that intercepts frames of audio data, such as a digital audio signal, converts the frames into a haptic signal, and plays...
US-9,445,767 Apparatus and method for measuring biologic parameters
Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an...
US-9,445,763 Physiologic audio fingerprinting
Audio sounds are captured from a subject's body, e.g., using a smartphone or a worn array of microphones. Plural features are derived from the captured audio,...
US-RE46,160 Information transmitting apparatus and method, information receiving apparatus and method, information...
An original blanking period of a video signal is shortened to a set blanking period, and audio data is multiplexed into a resulting superimposing period. Table...
US-9,445,213 Systems and methods for providing surround sound using speakers and headphones
A mobile device may include at least one processor configured to generate a first set and second set of processed audio signals for use in a surround sound...
US-9,445,203 Signal processor for a hearing device and method for operating a hearing device
A signal processor for a hearing device with an implantable stimulator having two or more electrodes for emitting electric charge pulses to neural-fibers of an...
US-9,445,198 Polyhedral audio system based on at least second-order eigenbeams
A microphone array-based audio system that supports representations of auditory scenes using second-order (or higher) harmonic expansions based on the audio...
US-9,445,197 Signal processing for a headrest-based audio system
An automobile audio system having at least two near-field speakers located close to an intended position of a listener's head is configured by determining a...
US-9,445,196 Inter-channel coherence reduction for stereophonic and multichannel acoustic echo cancellation
In an audio system having acoustic echo, incoming audio signals are decorrelated by applying both phase modulation and amplitude modulation. The resulting...
US-9,445,188 Condenser microphone
A condenser microphone that provides a balanced output of audio signals from initial steps of a diaphragm and a fixed electrode is provided. The condenser...
US-9,445,187 Method and an apparatus for processing an audio signal
A method of processing an audio signal, the method including receiving a downmix signal and a first information, the downmix signal including at least one...
US-9,445,175 Bluetooth headset
A wireless headset including a body having an earphone coupling portion; a wireless module provided in the body and configured to wirelessly receive an audio...
US-9,445,174 Audio capture apparatus
An apparatus comprising: an audio signal analyser configured to analyse at least one audio signal to determine at least one audio component with an associated...
US-9,445,035 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-9,444,934 Speech to text training method and system
An illustrative method includes receiving, at a processor of a computing device, an audio voice signal of a first call participant during a first call, where...
US-9,444,862 Dynamic media content output for mobile devices
Embodiments of mechanisms for dynamic media content type streaming management for mobile devices are generally described herein. In some embodiments, the mobile...
US-9,444,563 Wireless audio transmission system and method of wireless audio transmission
There is provided a wireless transmission system comprising at least one mobile transmitter for wireless audio transmission having a user interface. The...
US-9,444,439 Pulse generating circuit for audio-frequency amplifiers and regulated power supplies
A circuit for generating a series of pulses in response to a first signal, the circuit comprising: a lossy integrator which receives a second signal as its...
US-9,444,423 Method for adjusting volume and electronic device thereof
An apparatus and method for selectively provide an automatic volume adjustment service considering an audio output signal in an electronic device. A method for...
US-9,444,419 Boosted differential class H amplifier
A differential audio amplifier system and a related system to generate an output signal free or with only very limited clipping are disclosed. It provides a...
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