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Searching: audio signal





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Patent # Description
US-9,015,743 Methods and apparatus to monitor audio/visual content from various sources
Methods and apparatus to monitor audio/visual content from various sources are disclosed. Example methods disclosed herein to monitor a media presentation can...
US-9,015,053 Audio coding device and audio coding method, audio decoding device and audio decoding method, and program
There is provided an audio coding device including a first windowing part that multiplies an audio signal by a first window function, a second windowing part...
US-9,015,052 Audio-encoding/decoding method and system of lattice-type vector quantizing
The audio coding method and system of lattice vector quantization is provided in the invention. The method comprises: dividing frequency domain coefficients of...
US-9,015,051 Reconstruction of audio channels with direction parameters indicating direction of origin
An audio signal having at least one audio channel and associated direction parameters indicating a direction of origin of a portion of the audio channel with...
US-9,015,042 Methods and systems for avoiding partial collapse in multi-block audio coding
Embodiments are described of a multi-block coding scheme for an audio signal to prevent partial collapse conditions from causing pre-echo compression artifacts....
US-9,015,041 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal,...
An audio encoder has a window function controller, a windower, a time warper with a final quality check functionality, a time/frequency converter, a TNS stage...
US-9,015,040 Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
An apparatus for encoding an audio signal having a stream of audio samples has: a windower for applying a prediction coding analysis window to the stream of...
US-9,015,038 Coding generic audio signals at low bitrates and low delay
A mixed time-domain/frequency-domain coding device and method for coding an input sound signal, wherein a time-domain excitation contribution is calculated in...
US-9,014,833 System for reproduction of media content
There is provided a system for reproduction of media content. The system includes at least one sound reproduction apparatus being wirelessly connectable to at...
US-9,014,642 Radio wave receiving apparatus for receiving two different radio wave intensities
A radio wave receiver that receives two different sets of radio waves and displays intensity of the received radio waves. First and second radio wave processing...
US-9,014,397 Signal processing device and signal processing method
A signal processing device includes: a detection unit generating a digital detection signal corresponding to motion of a diaphragm of a speaker to output the...
US-9,014,396 System and method of reducing click and pop noise in audio playback devices
An audio system that reduces or eliminates click and pop noise during power up and power down operations. In particular, the audio system includes an amplifier...
US-9,014,395 Audio analysis apparatus and audio analysis system
An audio analysis apparatus includes the following components. A main body includes a discrimination unit and a transmission unit. A strap is used for hanging...
US-9,014,391 System for controlling audio reproduction
A system for controlling audio reproduction may include an interface operable to receive a data stream of an audio signal. The system may also include a...
US-9,014,390 Digital communication system for loudspeakers
A communication system for communicating with at least one loudspeaker is described where the loudspeaker is connected to audio equipment over standard two-wire...
US-9,014,387 Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels
A personal audio device including earspeakers, includes an adaptive noise canceling (ANC) circuit that adaptively generates an anti-noise signal for each...
US-9,014,386 Audio enhancement system
A system is provided for enhancing a sound signal produced by an audio system in a listening environment by compensating for ambient noise in the listening...
US-9,014,382 Controller for a headphone arrangement
A controller for a headphone arrangement (101) comprises a drive circuit (203) which generates a signal for an earphone (105) from an audio signal. The drive...
US-9,014,380 Control of a loudspeaker output
A loudspeaker drive circuit comprises an input for receiving an audio signal and a signal processor for processing the audio signal before application to the...
US-9,014,377 Multichannel surround format conversion and generalized upmix
An audio signal is processed in the frequency domain to convert an input signal format to an output signal format. That is, a multichannel audio signal intended...
US-9,014,058 Enhancement of audio conference productivity through gain biasing
Techniques are provided for communicating with a plurality of endpoints participating in a conference session. A signal representing audio from each of the...
US-9,013,599 Image pick-up and audio signal processing apparatus and method for controlling an image pick-up and audio...
A controller controls a first changing unit to intermittently drive an optical unit of an image pick-up unit, and while the image pick-up parameter is being...
US-9,013,314 System for indicating instructions including monitoring of signal strength or distance
An indicating system and method having a parent unit communicable with a child unit is provided. In an embodiment for the indicating system and method of the...
US-9,012,757 Synthesized signal tuner
A musical instrument comprising: (a) plurality of identical vibrating elements; (b) a digitizer associated with each said vibrating element; (c) an estimator...
US-9,012,748 Ultimate flexibility wireless system for remote audio effects pedals
A system for providing wireless connections in configuring an instrument or microphone with audio effects, effects pedal boards, mixers, and other studio...
US-9,011,349 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-9,009,776 Information processing apparatus and output control method
According to one embodiment, an information processing apparatus includes a display, a speaker, a connector to output a video signal and audio signal, a display...
US-9,009,335 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-9,009,057 Audio encoding and decoding to generate binaural virtual spatial signals
An audio encoder comprises a multi-channel receiver (401) which receives an M-channel audio signal where M>2. A down-mix processor (403) down-mixes the...
US-9,009,054 Program endpoint time detection apparatus and method, and program information retrieval system
This invention relates to retrieval for multimedia content, and provides a program endpoint time detection apparatus for detecting an endpoint time of a program...
US-9,009,052 System and method for singing synthesis capable of reflecting voice timbre changes
Herein provided is a system for singing synthesis capable of reflecting not only pitch and dynamics changes but also timbre changes of a user's singing. A...
US-9,009,038 Method and system for analyzing digital sound audio signal associated with baby cry
A method for analyzing a digital audio signal associated with a baby cry, comprising the steps of: (a) processing the digital audio signal using a spectral...
US-9,009,033 Real-time voice recognition on a handheld device
A method and apparatus for implementation of real-time speech recognition using a handheld computing apparatus are provided. The handheld computing apparatus...
US-9,008,859 Navigation instructions using low-bandwidth signaling
Navigation instructions using low-bandwidth signaling are supported in an alternative user interface that may be utilized as either a full replacement or as an...
US-9,008,811 Methods and systems for adaptive time-frequency resolution in digital data coding
Embodiments are described for a system and method for implementing an adaptive time-frequency resolution in audio and video coding systems. A method of...
US-9,008,721 Broadcast reception mobile terminal
There is provided a broadcast reception mobile terminal capable of improving both electric power saving and user-friendliness includes a broadcast reception...
US-9,008,642 Mobile phone to appliance communication via audio sampling
The present subject matter relates to systems and methodologies for communicating between an appliance and a mobile device using audio signaling. An appliance...
US-9,008,639 Controlling audio of a device
Techniques and tools are described for controlling an audio signal of a mobile device. For example, information indicative of acceleration of the mobile device...
US-9,008,339 Delivering fundamental frequency and amplitude envelope cues to enhance speech understanding
Systems, apparatus, and techniques are described to perform operations including receiving speech that includes audio signals from a talker. A fundamental...
US-9,008,338 Audio reproduction apparatus and audio reproduction method
An audio reproduction apparatus is provided which is capable of maintaining the sense of dimensions in an acoustic space even when multi-channel input audio...
US-9,008,334 Audio mixing console
An audio mixing console comprises a first amplifier, an analogue to digital converter, a second amplifier and a gain range control unit. The first amplifier may...
US-9,008,331 Equalization system to improve the quality of bass sounds within a listening area
Frequency equalization system substantially equalizes the room frequency responses generated by at least one loudspeaker within a listening area so that the...
US-9,008,327 Acoustic multi-channel cancellation
A multi-channel acoustic echo canceller arrangement comprises a microphone (111) providing a microphone signal having contributions from at least two audio...
US-9,008,324 Impedance matching circuit for driving a speaker system
An impedance matched resonant circuit uses inductors coupling an audio source and a speaker array in order to reduce feedback reflection induced by an audio...
US-9,008,323 Wide dynamic range microphone
A microphone system has an output and at least a first transducer with a first dynamic range, a second transducer with a second dynamic range different than the...
US-9,008,322 Efficiency optimizer of an audio power amplifier for car radio
The present invention concerns an audio amplifier circuit designed to provide an output signal to an audio transducer, said audio amplifier circuit comprising...
US-9,008,319 Sound pressure level limiter with anti-startle feature
Sound pressure level limiter with anti-startle feature for audio systems are disclosed. The anti-startle feature may be implemented with a delta incident...
US-9,008,318 Audio signal processing device
An audio signal processing device receives a plurality of audio signals via a left channel (L) and a right channel (R) so as to produce a composite signal L+R...
US-9,008,302 Audio acoustic echo cancellation for video conferencing
A new audio echo cancellation (AEC) approach is disclosed. To facilitate echo cancellation, the method adjusts for errors (called drift) in sampling rates for...
US-9,007,871 Passive proximity detection
Techniques and devices are disclosed for utilizing passively received audio signals to determine proximity of devices to other objects. In one embodiment, a...
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