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Searching: audio signal





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Patent # Description
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...
US-9,734,837 Method, medium, and system scalably encoding/decoding audio/speech
A method, medium, and system scalably encoding/decoding audio/speech. The method includes splitting an input signal into a low frequency band signal that is...
US-9,734,836 Method and apparatus for decoding speech/audio bitstream
A method and an apparatus for decoding a speech/audio bitstream are disclosed, where the method for decoding a speech/audio bitstream includes determining...
US-9,734,834 Comfort noise generation
A system for generating comfort noise for a stream of frames carrying an audio signal includes frame characterizing logic configured to generate a set of filter...
US-9,734,833 Encoder, decoder and methods for backward compatible dynamic adaption of time/frequency resolution...
A decoder for generating an audio output signal having one or more audio output channels from a downmix signal having a plurality of time-domain downmix samples...
US-9,734,832 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
An apparatus for upmixing a downmix audio signal describing one or more downmix audio channels into an upmixed audio signal describing a plurality of upmixed...
US-9,734,830 Speech recognition wake-up of a handheld portable electronic device
A system and method for parallel speech recognition processing of multiple audio signals produced by multiple microphones in a handheld portable electronic...
US-9,734,675 Wireless communication USB dongle
A communication device that may be removably coupled to a USB port, the device having a processor and non-volatile memory and configured to execute code,...
US-9,734,377 Bar code reading terminal with video capturing mode
A bar code reading terminal can, in one embodiment, include a two-dimensional image sensor and an imaging assembly. The terminal can be configured, in response...
US-9,734,243 Adjusting a playback device
Certain embodiments provide methods and systems for managing a sound profile. An example playback device includes a network interface and a non-transitory...
US-9,733,890 Streaming audio, DSP, and light controller system
Streaming audio is adjusted within one or more real-time digital signal processors (DSPs) by entering audio adjustment parameters using a smart phone...
US-9,733,710 Haptic effect conversion system using granular synthesis
A system is provided that converts an input, such as audio data, into one or more haptic effects. The system applies a granular synthesis algorithm to the input...
US-9,729,970 Assembly and a method for determining a distance between two sound generating objects
An assembly and a method for determining the distance between two sound providers, such as the ear pieces of a headset or two hearing aids. A signal is fed to...
US-9,729,969 System and method for bass enhancement
A system and method for enhancing the real and/or perceived bass band of an audio signal is disclosed. A computationally simple yet effective bass band...
US-9,729,961 Actively suspended seat with bass loudspeakers
A system for a seat in a motor vehicle that has a cabin audio system and a bass loudspeaker that is able to generate sound in the cabin. The system includes a...
US-9,729,958 Headset system with user-configurable function button
A headset providing audio input and output for a mobile device includes a microphone and speaker. An RF transceiver performs wireless communication with the...
US-9,729,957 Dynamic frequency-dependent sidetone generation
The overall performance and power utilization of an audio device may be improved with an adaptive sidetone generation system that generates sidetones optimized...
US-9,729,836 Information processing system and method, information processing apparatus, image-capturing device and method,...
A feature extracting unit obtains sensor data from a plurality of sensors to calculate each feature. When an event determining unit determines the occurrence of...
US-9,729,211 Proximity based wireless audio connection
A base device for a portable source device includes an output device and a proximity sensor configured (i) to receive a proximity signal associated with the...
US-9,723,580 Synchronization of audio channel timing
Synchronization of plural outputs of data transported by a wireless network is facilitated by bandlimiting a sample clock signal controlling a rate at which...
US-9,723,411 Piezoelectric speaker driving system and method thereof
A piezoelectric speaker driving system includes a band splitter, a plurality of gain producers, an adder, a piezoelectric speaker, a sound compensator and a...
US-9,723,287 Enhanced 3D audio/video processing apparatus and method
The enhanced 3D audio/video processing apparatus according to one embodiment of the present invention may comprise: a three-dimensional (3D) content generating...
US-9,723,268 Television receiver with a TV phone function
A videophone system includes a processor which selectively sets a television (TV) broadcast program viewing function mode and videophone function mode in...
US-9,723,263 Audio processing of shared content
An audio processor for a video conference system receives an audio signal from content to be shared over a video conference and an audio signal from a network....
US-9,722,562 Signal enhancements for audio
The present application describes signal enhancements to reduce bone conduction sensations of a wearable computing device and applications thereof. An example...
US-9,716,955 Device for monitoring a sound pressure level
Devices for monitoring a sound pressure level of sound generated by a speaker. For example, the device may sample voltages at various points along a path of an...
US-9,715,276 Sound to haptic effect conversion system using multiple actuators
A haptic conversion system is provided that analyzes an audio signal, generates a plurality of haptic signals based on the analysis of the audio signal, and...
US-9,712,917 Speaker system
A speaker system may include a dome-shaped shell defining an internal cavity, a receiver configured to receive audio signals from a wireless-enabled device and...
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