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Searching: audio signal





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Patent # Description
US-9,767,816 High frequency regeneration of an audio signal with phase adjustment
According to an aspect of the present invention, a method for reconstructing an audio signal having a baseband portion and a highband portion is disclosed. The...
US-9,767,815 Voice audio encoding device, voice audio decoding device, voice audio encoding method, and voice audio decoding...
Provided are a voice audio encoding device, voice audio decoding device, voice audio encoding method, and voice audio decoding method that efficiently perform...
US-9,767,814 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-9,767,813 Method and device for decoding an audio soundfield representation for audio playback
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-9,767,812 System and method for increasing transmission bandwidth efficiency ("EBT2")
Systems and methods for increasing transmission bandwidth efficiency by the analysis and synthesis of the ultimate components of transmitted content are...
US-9,767,811 Device and method for postprocessing a decoded multi-channel audio signal or a decoded stereo signal
According to the invention, a device for post-processing at least one channel signal of a plurality of channel signals of a multi-channel signal is described,...
US-9,767,809 Method and compressor for compressing audio dynamics
A method of compressing the audio dynamics of an audio signal. The method includes a step of acquiring an audio signal; a step of selecting a first instant of...
US-9,767,798 Low power detection of a voice control activation phrase
Methods of low power detection of an activation phrase are described. A microphone system comprises dedicated hardware logic for detecting a pre-defined...
US-9,767,778 Systems for combining inputs from electronic musical instruments and devices
An apparatus for combining input signals produced by a plurality of electric musical devices includes a plurality of audio buses and a plurality of segments....
US-9,767,618 Adaptive ambisonic binaural rendering
A user equipment (UE) includes a memory element and a processor. The memory element is configured to store a plurality of head-related transfer functions. The...
US-9,767,266 Methods and systems for biometric-based user authentication by voice
Disclosed herein are system, method, and computer program product embodiments for authentication of users of electronic devices by voice biometrics. An...
US-9,766,851 Multi-terminal synchronous display method, display apparatus and display apparatus cascading system
A multi-terminal synchronous display method, a display apparatus and a display apparatus cascading system are provided. The method includes receiving an audio...
US-9,766,481 Closed loop audio processing for bone conduction transducer
An example method may be performed by a wearable computing device (WCD) that includes a bone conduction transducer (BCT). The method includes providing, to the...
US-9,763,626 Acoustic spirometer system
Embodiments of the present invention are directed a system using a microphone and a mobile computer device comprising a transducer through which a user is to...
US-9,763,058 Method and system of personalized broadcast service on public transportation
A method for implementing broadcast service and a broadcast service system are provided. The information transmitted may be personalized for a user of a public...
US-9,763,017 Hearing instrument with T-coil
A hearing instrument is provided that has a T-coil antenna (14) for picking up an inductively transmitted base-band audio signal, an audio signal processing...
US-9,763,006 Noise reduction in a microphone using vowel detection
In an approach for reducing feedback in a device, wherein a first audio signal is received by a device. A processor determines that an intensity value of the...
US-9,763,004 Systems and methods for audio conferencing
Systems and methods for enabling an audio conference are provided. In one aspect, a system includes a transmitting device which receives audio signals...
US-9,763,003 Automotive constant signal-to-noise ratio system for enhanced situation awareness
Audio systems for a vehicle and methods for increasing auditory situation awareness in a vehicle are provided. An audio system includes at least one ambient...
US-9,762,999 Modal based architecture for controlling the directivity of loudspeaker arrays
A directivity pattern generator for producing sound patterns using a modal architecture is described. The directivity pattern generator may include a beam...
US-9,762,988 Microphone
A microphone is provided that ensures the electrical connection between a unit case and an audio-signal output circuit board. The microphone includes a unit...
US-9,762,963 Method and apparatus for controlling play of an audio signal
Apparatus and methods conforming to the present invention comprise a method of controlling playback of an audio signal through analysis of a corresponding close...
US-9,762,742 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-9,762,741 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-9,762,740 Preventing double digit detection caused by in-band dual-tone multi-frequency signaling
A T2P (TDM to packet) delay buffer is provided. The delay buffer can prevent double digit detections caused by in-band DTMF leak when out-of-band DTMF is used....
US-9,762,730 2Face
The disclosed herein is a portable cellular communication system comprised of: at least two portable cellular communication units, wherein said units include:...
US-9,762,558 Wireless pairing of personal health device with a computing device
Systems and methods for the wireless pairing of a personal health device (PHD) (e.g., blood glucose monitor) with a computing device (e.g., smartphone) are...
US-9,762,210 Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo
An apparatus and method are disclosed for filtering an audio signal. The apparatus includes an analysis filter bank, a phase shifter, a high frequency...
US-9,762,198 Frequency band compression with dynamic thresholds
Disclosed are examples of systems, apparatus, methods and computer-readable storage media for dynamically adjusting thresholds of a compressor. An input audio...
US-9,762,196 Audio control using auditory event detection
In some embodiments, a method for processing an audio signal in an audio processing apparatus is disclosed. The method includes receiving an audio signal and a...
US-9,762,195 System for emitting directed audio signals
Described are techniques for providing users of an audio device with a surround sound experience using ultrasonic transducers of the audio device. The audio...
US-9,762,194 High-frequency transmitter, wireless microphone and guitar transmitter or pocket transmitter
There is provided a high-frequency HF transmitter for wireless microphones, guitar transmitters or pocket transmitters. The transmitter has at least one...
US-9,762,187 Audio output circuit for driving an electroacoustic conversion element
An audio output circuit drives an electroacoustic conversion element. A Class D amplifier has a segmented configuration including multiple segments arranged in...
US-9,761,246 Method and apparatus for detecting a voice activity in an input audio signal
The disclosure provides a method and an apparatus for detecting a voice activity in an input audio signal composed of frames. A noise attribute of the input...
US-9,761,245 Externally estimated SNR based modifiers for internal MMSE calculations
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-9,761,240 Audio decoding device, audio coding device, audio decoding method, audio coding method, audio decoding program,...
An objective of the present invention is to correct a temporal envelope shape of a decoded signal with a small information volume and to reduce perceptible...
US-9,761,237 High frequency regeneration of an audio signal with synthetic sinusoid addition
A method performed in an audio decoder for reconstructing an original audio signal having a lowband portion and a highband portion is disclosed. The method...
US-9,761,236 High frequency regeneration of an audio signal with synthetic sinusoid addition
A method performed in an audio decoder for reconstructing an original audio signal having a lowband portion and a highband portion is disclosed. The method...
US-9,761,234 High frequency regeneration of an audio signal with synthetic sinusoid addition
A method performed in an audio decoder for reconstructing an original audio signal having a lowband portion and a highband portion is disclosed. The method...
US-9,761,210 Control methods for musical performance
A method for generating music is provided, the method comprising receiving, on a capacitive touch sensitive interface such as a keyboard, multi-finger gesture...
US-9,761,116 Low power voice trigger for finding mobile devices
Systems and methods may provide for monitoring an input audio signal from an onboard microphone of a mobile device while a host processor of the mobile device...
US-9,761,073 Intelligent door lock system with audio and RF communication
A wireless access control system is provided to lock or unlock a first door at a dwelling of a user. A user remote access device transmits a first signal and a...
US-9,760,535 Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo
An apparatus and method are disclosed for filtering an audio signal. The apparatus includes a high frequency reconstructor or parametric stereo processor, a...
US-9,759,712 Method for collecting medical data and associated system
A glucometer is provided, comprising a reader configured to analyze a blood sample, a transmitter configured to wirelessly transmit data, encoded within an...
US-9,757,741 Thermal and audio controlled valve and showerhead assembly
A valve for use with a showerhead assembly includes a housing having a threaded inlet for connecting to a water source and a distally located front face with...
US-9,756,706 Controlling a system that includes light-based communication (LCom)-enabled luminaires
Techniques are disclosed for controlling a system including one or more light-based communication (LCom)-enabled luminaires. In some cases, the system may...
US-9,756,441 Digital wireless audio transmission system with optimized dynamics
A digital audio transmission system, in particular a wireless microphone or wireless pocket transmitter system. The audio transmission system has at least one...
US-9,756,440 Maintaining spatial stability utilizing common gain coefficient
In a system and method for maintaining the spatial stability of a sound field a background noise estimate may be estimated for each of a first signal and a...
US-9,756,438 Proximity discovery using audio signals
Various technologies pertaining to computing data that is indicative of a location of a client computing device are described herein. A client computing device...
US-9,756,437 System and method for transmitting environmental acoustical information in digital audio signals
Disclosed are systems and methods for enhancing playback of an audio signal to approximate the listening experience at a recording site. A test signal is...
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