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Searching: audio signal





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Patent # Description
US-1,004,3515 Voice activation system
A voice activation system is described including a first voice activity detector for receiving a first signal from a microphone; a second voice activity...
US-1,004,3513 Systems and methods of interpreting speech data
Method and systems are provided for interpreting speech data. A method and system for recognizing speech involving a filter module to generate a set of...
US-1,004,3509 Reverberator and method for reverberating an audio signal
A reverberator for reverberating an audio signal includes a feedback delay loop processor for delaying at least two different frequency subband signals...
US-1,004,3505 Wireless device and method in the wireless device
A transmitter comprises an analog-to-digital converter, an audio signal compressor, a framer, a scrambler, a modulator, and a transmitting unit. The...
US-1,004,3501 Signal processing device
A signal processing device includes: connecting terminals each of which is connectable to respective ones of a plurality of other signal processing devices that...
US-1,004,2803 Operating method for card reader
An operating method for a card reader, comprising: powering on a card reader, and setting an operating mode according to the type of a device connected thereto;...
US-1,004,2802 Inter-device digital audio
A method for reconfiguring a bus device from a first configuration into a second configuration, wherein the second configuration is not visible to, and is not...
US-1,004,2796 Digital accessory interface calibration
An audio system comprises a master device; a slave device; and a wired connection, suitable for connecting the master device and the slave device, and having at...
US-1,003,9080 Situationally-aware alerts
An electronic device that provides situationally-aware alerts determines to provide an alert output (such as haptic, audio, visual, and so on) via an output...
US-1,003,8963 Speaker device and audio signal processing method
A speaker apparatus includes an input portion to which audio signals of a plurality of channels are input, a plurality of speakers, a directivity controlling...
US-1,003,8962 System and method for testing and certification of media devices for use within a connected media environment
In accordance with an embodiment, described herein is a system and method for testing and certification of media devices for use within a connected media...
US-1,003,8957 Audio mixing based upon playing device location
A method including determining location of at least one second device relative to a first device, where at least two of the devices are configured to play audio...
US-1,003,8879 Bi-directional virtual reality system
The present disclosure relates to a bi-directional VR (virtual reality) system and, more particularly, to a bi-directional VR system using a user image and a...
US-1,003,8795 Robust acoustic echo cancellation for loosely paired devices based on semi-blind multichannel demixing
A method for echo cancellation in multichannel audio signals includes receiving a plurality of time-domain signals, including multichannel audio signals and at...
US-1,003,8510 Mixing digital audio
A method of mixing digital audio uses a plurality of mixing buses. Each mixing bus receives at least one input digital audio signal via a respective input. A...
US-1,003,8411 Method and apparatus for distortion reduction in a class D amplifier
A Class D amplifier is described herein that includes an outer loop, an inner loop, and a notch filter. The notch filter can be located between an output of the...
US-1,003,7781 Interface systems for portable digital media storage and playback devices
A docking assembly serves as an interface between (1) a portable digital media storage and playback (PDMSP) device, and (2) a media reproduction system. A...
US-1,003,7765 Apparatus and method of reducing noise and audio playing apparatus with non-magnet speaker
An audio apparatus is provided. The audio apparatus includes an input configured to receive an audio signal containing noise; a period estimation unit...
US-1,003,7762 Method and device for decoding an audio soundfield representation
Soundfield signals such as e.g. Ambisonics carry a representation of a desired sound field. The Ambisonics format is based on spherical harmonic decomposition...
US-1,003,7753 Multi-sensor signal optimization for speech communication
Systems, methods, and apparatus for facilitating multi-sensor signal optimization for speech communication are presented herein. A sensor component including...
US-1,003,7750 Systems and methods for analyzing components of audio tracks
A method is described comprising receiving a stem signal and an audio mix signal, wherein the audio mix signal comprises information of the stem signal. The...
US-1,003,7712 Vision-assist devices and methods of detecting a classification of an object
Vision-assist devices and methods are disclosed. In one embodiment, a vision-assist device includes an image sensor for generating image data corresponding to a...
US-1,003,7677 Speech therapeutic devices and methods
Disclosed herein are speech therapeutic devices and methods. In one aspect, the speech therapeutic device includes audio input circuitry, signal processing...
US-1,003,7081 Systems and methods for haptic fiddling
Systems and methods for haptic fiddling are disclosed. In one embodiment, a sensor signal indicating an interaction with an electronic device is received by the...
US-1,003,5437 Collapsible stroller assembly
A collapsible stroller assembly for combining a car seat and a stroller includes a car seat that has a chair portion and a backrest portion. The car seat is...
US-1,003,4613 Headphones measuring heart-rate
The invention relates to headphones and a method for listening to music or some other audio signal, which headphones comprise at least one sound source such as...
US-1,003,4356 Smart lighting device, and smart lighting control system and method
The present disclosure provides a smart lighting device, and a smart lighting control system and method. The smart lighting device includes a wireless...
US-1,003,4159 Accommodating interference between wireless streaming and control protocols
Disclosed wireless systems, devices, and methods accommodate interference between different communication protocols. One illustrative wireless communications...
US-1,003,4146 Control system, control device, and mobile device for vehicle
A control system a control device, and a mobile device for controlling a vehicle are provided. The control device is adapted to be disposed on a vehicle. The...
US-1,003,4145 Localizing mobile device in vehicle
Method and system for localizing a mobile device in a vehicle is provided. The method may include: triggering an audio system mounted on a vehicle, which audio...
US-1,003,4115 Manipulation of playback device response using signal processing
An example playback device receives left and right channels of audio content and generates a center channel of the audio content by combining at least a portion...
US-1,003,4113 Immersive audio rendering system
A depth processing system can employ stereo speakers to achieve immersive effects. The depth processing system can advantageously manipulate phase and/or...
US-1,003,4107 Hearing aid
A hearing aid includes a shell for accommodation of a signal processor for processing an audio signal into a processed audio signal, and a receiver that is...
US-1,003,4098 Generation of audio and ultrasonic signals and measuring ultrasonic response in dual-mode MEMS speaker
A MEMS speaker that includes a control unit and multiple MEMS elements that include a membrane positioned in a first plane, a blind that is positioned in a...
US-1,003,4092 Spatial headphone transparency
Digital audio signal processing techniques used to provide an acoustic transparency function in a pair of headphones. A number of transparency filters can be...
US-1,003,4091 Multi-channel audio vibratory entertainment system
An entertainment system is provided, the system comprising a portable media device configured to simultaneously produce an audible output signal and a plurality...
US-1,003,4090 Audio control device
A first fixed filter extracts high-frequency and low-frequency sound signals outside the audible band, and a level integrator integrates levels of the sound...
US-1,003,4087 Audio signal processing for listening devices
A method of mitigating effects of alternating or changing pneumatic pressures within a substantially sealed ear canal includes providing an indication of ear...
US-1,003,4085 Class-D amplifier, audio processing apparatus and method of driving class-D amplifier
A class-D amplifier includes an error amplification circuit, a duty signal generator, a level selection circuit, a driver and control block and an output stage....
US-1,003,3915 Camera peripheral device for supplemental audio capture and remote control of camera
A peripheral device (e.g., a small wearable device) may operate in conjunction with a camera to enable in-the-moment capture and control. The peripheral device...
US-1,003,3864 Dynamically switching communications to text interactions
Methods for dynamically switching communications to text interactions are provided. In one example, a method includes the steps of receiving a phone call and...
US-1,003,3553 Interface circuit for transmitting and receiving digital signals between devices
A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a...
US-1,003,3471 Wireless connection pairing
A wireless connection pairing method and a first electronic device are provided. The method includes: broadcasting, through an audio system, an acoustic signal...
US-1,003,3344 Digital signal processor and audio device
A digital signal processor that is capable of suppressing a signal level of an input analog signal at not more than the maximum voltage for A/D conversion and...
US-1,003,2475 Enhancing an audio recording
A system and method are provided for enhancing an audio recording which comprises a recording of a sound signal obtained from the play-out of an audio signal...
US-1,003,2462 Method and system for suppressing noise in speech signals in hearing aids and speech communication devices
A method for speech enhancement in speech communication devices and more specifically in hearing aids for suppressing stationary and non-stationary background...
US-1,003,2459 Method and apparatus for encoding and decoding noise signal
Provided is a method and apparatus for encoding/decoding an audio signal. Sections which are not used to output noise components near important spectral...
US-1,003,2458 Apparatus and method for processing an input audio signal using cascaded filterbanks
An apparatus for processing an input audio signal relies on a cascade of filterbanks, the cascade having a synthesis filterbank for synthesizing an audio...
US-1,003,2456 Automated audio data selector
Aspects define a capture signal as audio inputs by a user of word content. An input of the capture signal word content is recognized in response to an audio...
US-1,003,2452 Multimodal transmission of packetized data
A system of multi-modal transmission of packetized data in a voice activated data packet based computer network environment is provided. A natural language...
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