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Searching: audio signal





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Patent # Description
US-9,748,915 Electronic device with threshold based compression and related devices and methods
An electronic device may include a speaker, and audio circuitry coupled to the speaker. The audio circuitry may generate digitized samples of an audio waveform...
US-9,748,914 Transforming audio content for subjective fidelity
A method or apparatus for delivering audio programming such as music to listeners may include identifying, capturing and applying a listener's audio perception...
US-9,748,913 Apparatus and method for transmitting/receiving voice signal through headset
An apparatus and method are disclosed, which separates ambient noise from a voice signal in a Bluetooth headset with dual microphones, switches the connection...
US-9,748,910 Instrument interconnect system
An instrument interconnect system that interfaces an instrument, such as a guitar or a bass, to an audio-receiving device, such as an amplifier, effect box, or...
US-9,747,927 System and method for multifaceted singing analysis
A system for multifaceted singing analysis for retrieval of songs or music including singing voices having some relationship in latent semantics with a singing...
US-9,747,920 Adaptive beamforming to create reference channels
An echo cancellation system that performs audio beamforming to separate audio input into multiple directions and determines a target signal and a reference...
US-9,747,918 Dynamically adapted pitch correction based on audio input
Systems and methods for adjusting pitch of an audio signal include detecting input notes in the audio signal, mapping the input notes to corresponding output...
US-9,747,917 Position directed acoustic array and beamforming methods
Methods and systems are provided for receiving desired sounds. The system includes a position sensor configured to determine an occupant position of an occupant...
US-9,747,909 System and method for reducing temporal artifacts for transient signals in a decorrelator circuit
Embodiments are directed to a method for processing an input audio signal, comprising: splitting the input audio signal into at least two components, in which...
US-9,747,908 Device and method for bandwidth extension for audio signals
An audio signal decoding apparatus is provided that includes a receiver that receives an encoded information, a memory, and a processor that demultiplexes...
US-9,747,906 Determining media device activation based on frequency response analysis
Methods, apparatus, systems and articles of manufacture (e.g., physical storage media) to determine media device activation based on frequency response analysis...
US-9,747,905 Method and apparatus for decoding an audio signal
An apparatus for decoding an audio signal and method thereof are disclosed. The present invention includes receiving the audio signal and spatial information,...
US-9,747,899 Detecting self-generated wake expressions
A speech-based audio device may be configured to detect a user-uttered wake expression and to respond by interpreting subsequent words or phrases as commands....
US-9,747,889 Reverberant sound adding apparatus, reverberant sound adding method, and reverberant sound adding program
A reverberant sound adding apparatus includes a noise generator configured to generate a noise, an impulse noise generator configured to generate an impulse...
US-9,747,888 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 frequency subband signals representing the...
US-9,747,886 Method for cancelling noise of audio signal and electronic device thereof
An apparatus and method for cancelling a noise of an audio signal in an electronic device are provided. The electronic device includes a communication module...
US-9,747,878 System, method and computer program product for generating musical notes via a user interface touch pad
A music generating system enables a user to generate independent and sequential musical melodies, having reduced latency periods, without playing an electronic...
US-9,747,332 Audio playlist system and method
Information about desired songs is collected on a portable memory device in communication with a radio tuner. The radio tuner may receive signals from a...
US-9,747,068 Audio processing based upon camera selection
A method including generating respective audio signals from microphones of an apparatus; determining which camera(s) of a plurality of cameras of the apparatus...
US-9,745,160 Paper conveying apparatus, jam detection method, and computer program
Provided is a paper transporting device and the like capable of suppressing errors in determining jam occurrences. A paper transporting device has: a transport...
US-9,743,183 Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo
An apparatus and method are disclosed for filtering an audio signal are disclosed. The apparatus includes an analysis filter bank, a high frequency...
US-9,742,780 Audio based discovery and connection to a service controller
Techniques for automatically connecting to a service controller are described herein. In one example, a service controller device includes a processor and a...
US-9,741,362 Subband block based harmonic transposition
The present document relates to audio source coding systems which make use of a harmonic transposition method for high frequency reconstruction (HFR), as well...
US-9,741,360 Speech enhancement for target speakers
A method of speech enhancement for target speakers is presented. A blind source separation (BSS) module is used to separate a plurality of microphone recorded...
US-9,741,359 Hybrid audio delivery system and method therefor
Methods and systems to produce audio output signals from audio input signals. In one embodiment, a first portion of the audio input signals can be...
US-9,741,358 Method and system for interference suppression using blind source separation
A method of interference suppression is provided that includes receiving a first audio signal from a first audio capture device and a second audio signal from a...
US-9,741,357 Very short pitch detection and coding
System and method embodiments are provided for very short pitch detection and coding for speech or audio signals. The system and method include detecting...
US-9,741,356 Coding apparatus, decoding apparatus, and methods
A coding apparatus normalizes a low-frequency spectrum included in each of sub-bands obtained from dividing a low band part, using a largest amplitude value...
US-9,741,355 System and method for narrow bandwidth digital signal processing
The present invention provides methods and systems for narrow bandwidth digital processing of an input audio signal. Particularly, the present invention...
US-9,741,352 Method and apparatus for processing an audio signal
The present invention relates to a method for processing an audio signal, comprising: a step of performing a frequency conversion process on an audio signal to...
US-9,741,351 Adaptive quantization noise filtering of decoded audio data
A method including steps of decoding an encoded audio signal indicative of encoded audio content (e.g., audio content captured during a teleconference) to...
US-9,741,350 Systems and methods of performing gain control
A particular method includes determining, based on an inter-line spectral pair (LSP) spacing corresponding to an audio signal, that the audio signal includes a...
US-9,741,349 Audio coding method and apparatus
An audio signal is coded, where a frequency spectrum of the audio signal is divided into first and second regions. Spectral peaks in the first region are...
US-9,741,345 Method for segmenting videos and audios into clips using speaker recognition
A method for segmenting video and audio into clips using speaker recognition is provided to segment audio according to speaker audio, and to make audio clips...
US-9,741,334 Active noise cancellation in audio output device
An audio output device controls the application of active noise cancellation (ANC) levels based on a current status of the device. The audio output device...
US-9,741,332 Noise reducing device, noise reducing method, noise reducing program, and noise reducing audio outputting device
A noise reducing device includes: an acoustic-to-electric conversion section for collecting noise and outputting an analog noise signal; an analog-to-digital...
US-9,741,329 Method for the synthetic generation of a digital audio signal
A method for the synthetic generation of a digital audio signal by means of periodic sampling of a waveform shall permit the user a particularly simple and...
US-9,741,327 Automatic transcription of musical content and real-time musical accompaniment
Various embodiments provide techniques for generating real-time musical accompaniment for musical content included in an audio signal. A real-time musical...
US-9,741,240 Use of optical reflectance proximity detector in battery-powered devices
Various methods, systems, and devices for identifying a condition of a battery-powered device are presented. For example, a device may include a smoke detection...
US-9,741,224 Alarming parents for stopping children being left in a vehicle by mistake
Reminder mechanisms for driver handheld mobile devices are provided to provide an alarm to prevent children being left in a vehicle by mistake by a child...
US-9,740,860 Device, system, and method of preventing unauthorized recording of visual content displayed on an electronic device
The present disclosure involves preventing unauthorized recording of visual content displayed on an electronic device. Via a mobile computing device, it is...
US-9,740,177 Standard time synchronization method for electronic device
A method of time synchronization between a timepiece-equipped electronic device and a cell phone or an IPAD, which includes the steps of: (a) utilizing the...
US-9,738,384 Aircraft flight deck audio system and a method for controlling such an audio system
An aircraft flight deck audio system, including a central management unit and pilot, co-pilot and third-man terminals. Estimation units estimate the quality of...
US-9,736,615 Systems and methods for delivery of personalized audio
There is provided a media device for use in a system including a plurality of speakers. The media device includes a memory configured to store a software...
US-9,735,917 Digital wireless audio transmission system and method for wireless audio transmission
An audio transmission system including a wireless digital microphone unit which detects audio signals and wirelessly transmits the detected audio signals based...
US-9,735,751 Audio reproduction device target sound signature
A system for tuning an audio reproduction device is disclosed. The system includes an audio signal generator for generating an audio signal to be played back in...
US-9,735,746 Automatic loudness control
An improved automatic loudness control system and method comprise controlling gain/attenuation applied to an input audio signal and providing an output audio...
US-9,734,845 Mitigating effects of electronic audio sources in expression detection
In a speech-based system, a wake word or other trigger expression is used to preface user speech that is intended as a command. The system receives multiple...
US-9,734,844 Irregularity detection in music
Embodiments of the present invention relate to detecting irregularities in audio, such as music. An input signal corresponding to an audio stream is received....
US-9,734,840 Signal processing device, imaging apparatus, and signal-processing program
A signal-processing device includes a determination section that compares a frequency spectrum and a floor spectrum of an input audio signal to each other for...
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