Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
94results about How to "Good audio" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Noise estimation for use with noise reduction and echo cancellation in personal communication
ActiveUS20140056435A1Improve recognition rateImprove sound qualityInterconnection arrangementsEar treatmentNoise correctionEngineering
A method comprises processing M subband communication signals and N target-cancelled signals in each subband with a set of beamformer coefficients to obtain an inverse target-cancelled covariance matrix of order N in each band; using a target absence signal to obtain an initial estimate of the noise power in a beamformer output signal averaged over recent frames with target absence in each subband; multiplying the initial noise estimate with a noise correction factor to obtain a refined estimate of the power of the beamformer output noise signal component in each subband; processing the refined estimate with the magnitude of the beamformer output to obtain a postfilter gain value in each subband; processing the beamformer output signal with the postfilter gain value to obtain a postfilter output signal in each subband; and processing the postfilter output subband signals to obtain an enhanced beamformed output signal.
Owner:OTICON
Sound tube tuned multi-driver earpiece
ActiveUS20060133636A1Good audioDetails for specific frequency responseIntra aural earpiecesAcoustic transmissionPhase shifted
A method of optimizing the audio performance of an earpiece and the resultant device are provided. The disclosed earpiece combines at least two drivers within a single earpiece. If a pair of drivers is used, each driver has a discrete sound delivery tube. If more than two drivers are used, preferably the outputs from the two lower frequency drivers are merged into a single sound delivery tube while the output from the third driver is maintained in a separate, discrete sound tube. To compensate for the inherent phase shift of the earpiece the lengths of the sound delivery tubes, and thus driver offset, are regulated. Further audio performance optimization can be achieved through an iterative process of measuring the performance of the earpiece and making further, minor adjustments to the sound delivery tube lengths. The sound delivery tubes can include transition regions. The earpiece is configured to use removable / replaceable eartips. Acoustic filters can be interposed between one or both driver outputs and the earpiece output.
Owner:LOGITECH INT
Selective Sound Field Environment Processing System and Method
ActiveUS20180014107A1Increase inputReduce background noiseMicrophones signal combinationIntra aural earpiecesSound sourcesHeadphones
A method for selective sound field environment processing for one or more wireless earpieces, each of the one or more wireless earpieces including comprising a plurality of microphones is provided. The method includes receiving audio input of a sound field environment from the plurality of microphones of each of the one or more wireless earpieces, identifying background noise in the sound field environment, identifying audio from at least one sound source within the sound field environment, processing the audio input using one or more processors of at least one of the wireless earpieces to reduce the background noise and processing the audio input using one or more processors of the at least one of the wireless earpieces to enhance the audio from the at least one sound source within the sound field environment to provide processed audio, and transducing the processed audio at one or more speakers of the one or more wireless earpieces.
Owner:BRAGI
Systems and methods of spatial image enhancement of a sound source
ActiveUS20050129248A1Good audioAdditional componentBroadcast circuit arrangementsPseudo-stereo systemsSound sourcesVocal tract
Reproduction of stereophonic audio information over a single speaker requires summing multiple stereo channels. When signals having approximately equal magnitudes and approximately opposite phases at a frequency are added together, the audio information at the frequency is lost. To preserve areas of potential cancellation and potential audio information loss, the audio enhancement system adjusts the phase relationship between the stereophonic channels. To avoid the loss of the spatial content of the stereo signal, the audio enhancement system determines the difference information that exists between different stereophonic channels. The audio enhancement system enhances the difference information and mixes the enhanced difference information with the phase adjusted signals to generate an enhanced monophonic output.
Owner:DTS
Spatial audio rendering and encoding
InactiveUS20140358567A1Advantageous renderingImprove user experienceSignal processingSpeech analysisTransformerLoudspeaker
An encoder (501) generates data representing an audio scene by a first downmix and data characterizing audio objects. In addition, a direction dependent diffuseness parameter indicative of a degree of diffuseness of a residual downmix is provided where the residual downmix corresponds to a downmix of audio components of the audio scene with the audio objects being extracted. A rendering apparatus (503) comprises a receiver (701) receiving the data from the encoder (501). A circuit (703) generates signals for a spatial speaker configuration from the audio objects. A transformer (709) generates non-diffuse sound signals for the spatial speaker configuration by applying a first transformation to the residual downmix and another transformer (707) generates signals for the spatial speaker configuration by applying a second transformation to the residual downmix by applying a decorrelation to the residual downmix. The transformations are dependent on the direction dependent diffuseness parameter. The signals are combined to generate an output signal.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Smartphone security masking enclosure
ActiveUS20140161273A1Effectively mask voice conversationEfficient conversationCommunication jammingTransducer acoustic reaction preventionEngineeringMobile device
The Mobile Phone / PDA Security Masking Enclosure is a sound insulated enclosure for use as a temporary storage location for cellular and other mobile devices in locations at which confidential and sensitive conversations and discussions are being conducted. A pink / white noise generating device within the enclosure generates a masking noise such that the cellular or other mobile devices inside the enclosure are unable to pick up or record conversations outside the enclosure.
Owner:CCD VENTURES
System and method for digital signal processing
ActiveUS20140100682A1Good audioEnhanced audio signalDigitally weighted transducing elementsSpeech analysisDigital signal processingIntermediate frequency
The present invention provides methods and systems for digital processing of an input audio signal. Specifically, the present invention includes a high pass filter configured to filter the input audio signal to create a high pass signal. A first filter module then filters the high pass signal to create a first filtered signal. A first compressor modulates the first filtered signal to create a modulated signal. A second filter module then filters the modulated signal to create a second filtered signal. The second filtered signal is processed by a first processing module. A band splitter splits the processed signal into low band, mid band, and high band signals. The low band and high band signals are modulated by respective compressors. A second processing module further processes the modulated low band, mid band, and modulated high band signals to create an output signal.
Owner:BONGIOVI ACOUSTICS LLC
System and apparatus for generating a head related audio transfer function
ActiveUS20160044436A1Good audioImprove featuresMicrophonesTransducers for sound channels pluralityThree-dimensional spaceTragus structure
The present invention provides for an apparatus, system, and method for generating a head related audio transfer function in real time. Specifically, the present invention utilizes unique structural components including a tragus structure and an antihelix structure in connection with a microphone in order to communicate the location of a sound in three dimensional space to a user.
Owner:BONGIOVI ACOUSTICS LLC
Systems and methods of spatial image enhancement of a sound source
ActiveUS7522733B2Good audioAdditional componentBroadcast circuit arrangementsPseudo-stereo systemsSound sourcesVocal tract
Reproduction of stereophonic audio information over a single speaker requires summing multiple stereo channels. When signals having approximately equal magnitudes and approximately opposite phases at a frequency are added together, the audio information at the frequency is lost.To preserve areas of potential cancellation and potential audio information loss, the audio enhancement system adjusts the phase relationship between the stereophonic channels. To avoid the loss of the spatial content of the stereo signal, the audio enhancement system determines the difference information that exists between different stereophonic channels. The audio enhancement system enhances the difference information and mixes the enhanced difference information with the phase adjusted signals to generate an enhanced monophonic output.
Owner:DTS
Audio Power Conversion System
ActiveUS20090102295A1Utilization capacityImprove system performanceBoards/switchyards circuit arrangementsAc-dc conversion without reversalAudio power amplifierLow voltage
An audio power conversion system includes a power supply having a positive supply rail and a negative supply rail for supplying power to a single ended class D amplifier. The system further includes a supply pump reduction circuit connected to the supply rails and adapted to redistribute a pumping charge from said power supply by forcing a current-flow from a rail with a higher voltage to a rail with a lower voltage. According to the at least one embodiment of the invention, the redistribution circuit is arranges to always distribute charge from the rail with the higher voltage. Thus, for practical circuits, the pump canceling occurs continuously and is not confined to every other cycle.
Owner:BANG & OLUFSEN ICEPOWER
Automotive interior trim panel with integral acoustic chamber
ActiveUS7313247B1Increased assembly labor costComplexity is undesirableLoudspeaker transducer fixingVehicle componentsEngineeringLoudspeaker
Owner:FORD GLOBAL TECH LLC
Method and system for providing an improved audio experience for viewers of video
InactiveUS20120317594A1Enhanced realisticGood audioTelevision system detailsAnalogue secracy/subscription systemsDigital videoComputer science
A method and system for enhancing audio for a viewer watching digital video with sound, such as a movie or video game. The method and system determine where in the scene (40) the viewer's attention is focused, correlate the viewer's focal region with one of a plurality of regions (42a-d) of the video scene (40), preferably associated with a depth map, and enhance the sound corresponding to the focal region of the scene (40) as compared to the sound corresponding to the non-focal regions of the scene (40).
Owner:SONY MOBILE COMM AB
Audio enhancement via opportunistic use of microphones
ActiveUS20170026740A1Good audioAudio is enhancedSignal processingMicrophones signal combinationAudio frequencyComputer science
An audio processing system includes a group of microphones associated with a dynamic network of microphones and a receiver. The receiver is configured to identify a first signal received by a microphone in the plurality of microphones that is designated as a primary microphone, and identify a subset of microphones included in the plurality of microphones, where each microphone in the subset is associated with a respective signal corresponding to the first signal. The receiver is further configured to calculate a weighting factor for each microphone included in the subset based on the first signal and the respective signal and opportunistically establish a connection with a microphone associated with the dynamic network of microphones that is not included in the plurality of microphones; and, based on a signal received from this microphone, adjust a weighting factor for at least one of the microphones in the subset.
Owner:HARMAN INT IND INC
Audio treating method and audio treating device
ActiveCN101552010AImplement parallel processingImprove processing efficiencySpeech analysisParallel processingAudio frequency
The invention discloses an audio treatment method and an audio treating device. In one embodiment of the invention, when audio data is received, an audio treating passage is selected fro the audio data based on the type of the audio data; the audio processing passage comprises preset number of audio processing units; the preset number of audio processing units of the audio treating passage carry out resampling treatment and gain adjustment treatment for implementing audio treatment, because of a plurality of audio processing passages are provided, parallel treatment to a plurality of audio data is implemented, audio treating efficiency is raised, and simultaneously a plurality of audio treating passages are interdependent, thereby enhancing anti-fault capability of the system, further more, audio effect after treating is good because of the a plurality of treating passages treats audio data of distinct types distinctively.
Owner:HONOR DEVICE CO LTD
Call logging and call logging notification at telecommunications service provider gateway
InactiveUS20070036330A1Reduce environmental stressReduce confusionSpecial service for subscribersManual exchangesSystems approachesAudio frequency
An apparatus, system, methods and computer-readable media that effectively operate at a telecommunications service provider gateway to enable the delivery of call logging notification (e.g., beep tones, verbal announcements, visual indicators, etc.) and / or call logging (i.e., recording). The system described herein utilizes apparatus and / or methods that are incorporated into or co-located with facilities, equipment or transmission media of the telecommunications service provider. The call logging notification may be verbal, visual and / or beep tones to one or more parties of an audio and / or video call to indicate that the call is being or may be recorded. In addition, the call logging and / or the notification systems located at the telecommunications service provider gateway may cooperate with call logging and / or the notification systems located elsewhere (e.g., at a call center).
Owner:GOLDEN ENTERPRISES
System and method for digital signal processing
ActiveUS20190020950A1Good audioEnhanced audio signalSignal processingGain controlDigital signal processingIntermediate frequency
The present invention provides methods and systems for digital processing of an input audio signal. Specifically, the present invention includes a high pass filter configured to filter the input audio signal to create a high pass signal. A first filter module then filters the high pass signal to create a first filtered signal. A first compressor modulates the first filtered signal to create a modulated signal. A second filter module then filters the modulated signal to create a second filtered signal. The second filtered signal is processed by a first processing module. A band splitter splits the processed signal into low band, mid band, and high band signals. The low band and high band signals are modulated by respective compressors. A second processing module further processes the modulated low band, mid band, and modulated high band signals to create an output signal.
Owner:BONGIOVI ACOUSTICS LLC
Speaker
InactiveUS20070223770A1Good audioExcellent optical propertiesFibre diaphragmsLight source combinationsLoudspeakerEngineering
Owner:SHARP SANGYO
ENHANCING MEDIA CHARACTERISTICS DURING WEB REAL-TIME COMMUNICATIONS (WebRTC) INTERACTIVE SESSIONS BY USING SESSION INITIATION PROTOCOL (SIP) ENDPOINTS, AND RELATED METHODS, SYSTEMS, AND COMPUTER-READABLE MEDIA
Enhancing media characteristics during Web Real-Time Communications (WebRTC) interactive sessions by using Session Initiation Protocol (SIP) endpoints, and related methods, systems, and computer-readable media are disclosed herein. In one embodiment, a method comprises intercepting, by a media redirection agent of a WebRTC client executing on a computing device, a WebRTC initiation token. The method further comprises generating a SIP endpoint WebRTC token based on the WebRTC initiation token, and sending the SIP endpoint WebRTC token to a remote endpoint. The method also comprises establishing a WebRTC interactive session between the remote endpoint and a SIP endpoint based on the SIP endpoint WebRTC token. By leveraging the audio and / or video functionality of the SIP endpoint, the media characteristics of the WebRTC interactive session may be enhanced, resulting in an enhanced user experience.
Owner:AVAYA INC
Electromagnetic Interference Shields with Piezos
ActiveUS20100061577A1Improve sound outputGood audioPiezoelectric/electrostrictive resonant transducersMagnetic/electric field screeningElectromagnetic interferenceEngineering
Methods and apparatus for improving the acoustical performance associated with a speaker, such as a piezoelectric speaker, are disclosed. According to one aspect, an apparatus includes a substrate, a can mounted on the substrate, and a piezoelectric speaker arrangement. The piezoelectric speaker arrangement is at least partially mounted on the can. In one embodiment, the substrate is a printed circuit board (PCB) and the can is an electromagnetic interference (EMI) shielding can.
Owner:APPLE INC
Automotive scan tool with enhanced audio, video and voice recognition functionality
ActiveUS7860619B2Increase inputHigh outputVehicle testingRegistering/indicating working of vehiclesInformation controlDiagnostic data
A diagnostic tool for a vehicle, includes a signal translator communicating with the vehicle in at least one protocol, an input unit for inputting information, a processor controlling a software according to the input information from the input unit and communication with the vehicle from the signal translator, the processor controlling a reception of diagnostic data of the vehicle through the signal translator, an input and output unit receiving and transmitting audio and video signals controlled by the processor, a memory storing a software controlled by the processor, the memory storing audio and video information, and transferring the audio and video information through the input and output unit; and a display unit displaying information according to the received and processed audio and video signals stored in the memory.
Owner:SPX CORP
Selective Sound Field Environment Processing System and Method
ActiveUS20180359554A1Increase inputReduce background noiseMicrophones signal combinationIntra aural earpiecesSound sourcesHeadphones
A method for selective sound field environment processing for one or more wireless earpieces, each of the one or more wireless earpieces including comprising a plurality of microphones is provided. The method includes receiving audio input of a sound field environment from the plurality of microphones of each of the one or more wireless earpieces, identifying background noise in the sound field environment, identifying audio from at least one sound source within the sound field environment, processing the audio input using one or more processors of at least one of the wireless earpieces to reduce the background noise and processing the audio input using one or more processors of the at least one of the wireless earpieces to enhance the audio from the at least one sound source within the sound field environment to provide processed audio, and transducing the processed audio at one or more speakers of the one or more wireless earpieces.
Owner:BRAGI
Talk-Through Listening Device Channel Switching
InactiveUS20110261965A1Easy to switchGood audioPiezoelectric/electrostrictive microphonesElectrostatic transducer microphonesHearing apparatusEngineering
A talk-through system for hearing protectors such as headphones, helmets, earplugs and the like, in which separate left and right microphones are controlled by separate left and right switches. The microphones allow ambient sound to be heard by the wearer of the hearing protector, and normally the wearer hears audio from both microphones in the appropriate ears. Pushing a switch causes the audio from the ear on which the switch is mounted to be enhanced and, preferably, switched to both ears. Various arrangements of control logic are provided such that activation of a switch can cause changes in audio processing.
Owner:RED TAIL HAWK CORP
Audio mixing method applied to multi-point mobile audio communication system
InactiveCN102543087AGood audioMeet audio communication requirementsSpeech analysisAudio mixingSpeech recognition
The invention discloses an audio mixing method applied to a multi-point mobile audio communication system. Audio data stream is acquired by means of network acquisition and server local acquisition, the acquired audio data stream is subjected to linear superposition, and audio data are attenuated by dynamically modifying variation factors. Using the method can guarantee integral sound intensity not to be attenuated too fast and guarantee low distortion, noise is avoided within a multi-channel audio mixing range, and audio effects can meet the requirements. The method is widely applicable to multi-point mobile audio communication command systems or multimedia online video conference systems.
Owner:ZTE VAST SKY INFORMATION TECH
Smartphone security masking enclosure
ActiveUS9336768B2Efficient conversationEffectively minglingCommunication jammingTransducer acoustic reaction preventionEngineeringMobile device
The Mobile Phone / PDA Security Masking Enclosure is a sound insulated enclosure for use as a temporary storage location for cellular and other mobile devices in locations at which confidential and sensitive conversations and discussions are being conducted. A pink / white noise generating device within the enclosure generates a masking noise such that the cellular or other mobile devices inside the enclosure are unable to pick up or record conversations outside the enclosure.
Owner:CCD VENTURES
Noise-reducing device, earphone and noise-reducing method
InactiveCN106162405AImprove experienceGood audioMicrophonesHearing device active noise cancellationHuman bodyPhase noise
The invention discloses a noise-reducing device, an earphone and a noise-reducing method. The noise-reducing device comprises a bone induction pickup, a processor, a vibration source and a bone induction player, wherein the bone induction pickup is used for measuring a noise value in user body and transmitting the noise value to the processor; the processor is used for acquiring a change curve of the noise in body on the basis of the noise value measured by the bone induction pickup, forecasting the noise value at the next moment according to the change curve, getting an invert phase noise value of the noise value and then transmitting to the vibration source; the vibration source is used for generating an invert phase noise according to the invert phase noise value; the bone induction player is used for transmitting the invert phase noise into user body in a bone conduction manner. According to the invention, the noise-reducing device acquires the noise in user body in the manner of bone conduction, generates an invert phase sound wave of the noise in body and then transmits to human body in the manner of bone conduction, so that the noise in body is reduced or counteracted.
Owner:NUBIA TECHNOLOGY CO LTD
Spatial audio rendering and encoding
InactiveUS9584912B2Improved rendering of residual downmixesGood audioSignal processingSpeech analysisTransformerLoudspeaker
Owner:KONINK PHILIPS ELECTRONICS NV
Electromagnetic interference shields with piezos
ActiveUS8126170B2Good audioImprove sound outputPiezoelectric/electrostrictive resonant transducersMagnetic/electric field screeningElectromagnetic interferenceEngineering
Methods and apparatus for improving the acoustical performance associated with a speaker, such as a piezoelectric speaker, are disclosed. According to one aspect, an apparatus includes a substrate, a can mounted on the substrate, and a piezoelectric speaker arrangement. The piezoelectric speaker arrangement is at least partially mounted on the can. In one embodiment, the substrate is a printed circuit board (PCB) and the can is an electromagnetic interference (EMI) shielding can.
Owner:APPLE INC
Background processing deferment for computer telephony
InactiveUS6983301B1Improve audio qualityGood audioMultiple digital computer combinationsTransmissionBackground processTelephony
Techniques for improving the audio of computer telephony calls are provided. The execution of background computer processes can be deferred during computer telephony calls so that the background processes will not take up processing resources and thereby reduce the audio quality. Additionally, background processes can be resumed if there have not been any computer telephony calls made or received for a specific amount of time.
Owner:UNIFY INC
Piezoelectric loudspeaker
InactiveUS8089198B2Finished lookGood audioPiezoelectric/electrostriction/magnetostriction machinesPiezoelectric/electrostrictive transducersPiezoelectric actuatorsEngineering
A full range loudspeaker, comprising a frame with a membrane secured onto said frame and a piezoelectric actuator attached on said membrane and able to be driven over the full audible frequency range.
Owner:VIBRATION X
Power supply arrangement for single ended class D amplifier
ActiveUS9077257B2Reduce imbalanceImprove compactnessDc-dc conversionLow frequency amplifiersControl signalClass-D amplifier
A power supply arrangement for a single ended class D amplifier, including a first primary winding connected in series with a first switch between the positive supply rail and ground, a second primary winding in phase with said first primary winding and connected in series with a second switch between the negative supply rail and ground, and a controller adapted to apply a control signal to said first and second switches, said control signal (Q) having ON-pulses of a predefined pulse time separated by a dead time. In use, the primary winding connected to the supply rail with the highest numerical voltage will transform the rail voltage difference to the supply rail with the lowest numerical voltage through the opposite primary winding thus reducing any voltage unbalance between the windings.
Owner:BANG & OLUFSEN ICEPOWER
Features
- R&D
- Intellectual Property
- Life Sciences
- Materials
- Tech Scout
Why Patsnap Eureka
- Unparalleled Data Quality
- Higher Quality Content
- 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com