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Acoustical Technologies for Sale or License

The following are Acoustical technologies offered for sale or license. Viewing technologies for sale is a free service of IdeaConnection.com, as is connecting with the seller if a technology interests you. Click on a heading below for more information.

Acoustics include the science of sound, ultrasound, and infrasound. Acoustical inventions involve sound from frequencies audible by the human ears and beyond. Acoustics span other industries such as music, medicine, and architecture. You can list your acoustical technology for sale or license here.

ACTIVE WOUND HEALING FILM FOR EARDRUM PERFORATIONS

The invention relates to a film for closing a perforation of the eardrum, which comprises a positioning element, which is disposed in the outer ear channel, and a closure element, which consists of a ..

Method for speech recognition in patients with neurological disorder or laryngectomy for e.g. vocal rehabilitation, involves acoustically reproducing output signal and/or converting signal into writte

The method involves receiving noise, which is generated in an oral cavity (6) of patients, during articulation of speech of the patients. An input signal is subjected in a digital form in a signal pro..

METHODS AND APPARATUSES FOR GENERATING A STEERABLE PRESSURE FIELD IN A SHOCK WAVE LITHOTRIPTER

Lithotripter apparatuses and methods are provided for selectively modifying an acoustic pressure field and can include a shock wave source operable to generate a shock wave having a substantially axis..

ACOUSTIC LENS FOR SHOCKWAVE LITHOTRIPSY AND RELATED METHODS

Systems and methods for providing therapeutic shock waves are provided. A modified acoustic lens can include a first lens portion for directing a first part of an acoustic shock wave pulse toward a ta..

Simultaneous sample manipulation and sensing using surface acoustic waves

The present invention provides a hexagonal, delay line surface acoustic wave device fabricated on a a piezoelectric substrate, such as lithium tantalate, coated with an insulating waveguide on to whic..

METHOD OF MODIFYING THE FREQUENCY RESPONSE OF A WOODEN ARTICLE

Disclosed is a method for modifying the frequency response of a wooden article by exciting the article with acoustic energy. Frequency response is the measure of a system's spectrum response at the ou..

SONICATION-ASSISTED METAL-ENHANCED FLUORESCENCE (SAMEF)-BASED BIOASSAYS

The present invention provides for sonication-assisted metal-enhanced fluorescence, luminescence, and/or chemiluminescence assay systems using low-intensity ultrasound waves to significantly reduce th..

Scanning Near-Field Ultrasound Holography

A high spatial resolution phase-sensitive technique employs a scanning near field ultrasound holography (SNFUH) methodology for imaging elastic as well as viscoelastic variations across a sample surfa..

Scanning Near Field Thermoelastic Acoustic Holography (SNFTAH)

A system and method for analyzing a sample is described. The system may include, for example, a light source and a scanning probe microscope probe. The light source may generate a coherent laser beam ..

METHOD AND APPARATUS FOR BLIND SIGNAL RECOVERY IN NOISY, REVERBERANT ENVIRONMENTS

A maximum-kurtosis, distortionless response (MKDR) technique and an extension, the maximum-kurtosis, Wiener estimate (MKWE) technique, are provided. In one form, blind estimates of the speech source's..

SYSTEMS AND METHODS FOR IDENTIFYING SPEECH SOUND FEATURES

Systems and methods for detecting features in spoken speech and processing speech sounds based on the features are provided. One or more features may be identified in a speech sound. The speech sound ..

METHODS AND SYSTEMS FOR IDENTIFYING SPEECH SOUNDS USING MULTI-DIMENSIONAL ANALYSIS

Methods and systems of identifying speech sound features within a speech sound are provided. The sound features may be identified using a multi-dimensional analysis that analyzes the time, frequency, ..

Active Noise Control System

An active noise control system includes a first microphone, a controller operably coupled to the first microphone, and a speaker operably coupled to the controller. The first microphone senses a sound..

METHOD AND SYSTEM FOR DETERMINING AN AUDITORY PATTERN OF AN AUDIO SEGMENT

method and apparatus for determining an auditory pattern associated with an audio segment. An average intensity at each of a first plurality of detector locations on an auditory scale based at least ..

PHOTO-ACOUSTIC DETECTION DEVICE AND METHOD

An example system for detecting an analyte in a sample of a bodily fluid comprises a test chamber having at least one sidewall and configured to contain at least a portion of a bodily fluid sample, an..

PHOTOACOUSTIC DETECTION OF ANALYTES IN SOLID TISSUE AND DETECTION SYSTEM

A preferred system for detecting an analyte in solid tissue (12), such as an intact lymph node, in vitro includes a laser (22) arranged to generate a pulsed laser beam into solid tissue, which can be ..

MONOLITHIC FBAR-CMOS STRUCTURE SUCH AS FOR MASS SENSING

An apparatus comprises a thin-film bulk acoustic resonator such as including an acoustic mirror, a piezoelectric region acoustically coupled to the acoustic mirror, and first and second conductors ele..

ENHANCED ULTRA-HIGH RESOLUTION ACOUSTIC MICROSCOPE

An optical-acoustic transducer structure includes at least one metal or semiconducting film in which a part of a pump light pulse is absorbed to generate a sound pulse; and at least one dielectric fil..

PHOTOACOUSTIC IMAGING USING A VERSATILE ACOUSTIC LENS

To image various soft tissues in the body using pulsed laser optical excitation delivered through a multi-mode optical fiber to create photoacoustic impulses, and then image the generated photoacousti..

Vertical Line Hydrophone Array

A hydrophone assembly includes at least four hydrophone units for converting an acoustic signal to an electrical signal, the hydrophone units being in a parallel, cylindrically symmetric spaced spatia..

3D SOUNDSCAPING

A system and method for tracking and tracing motions of multiple incoherent sound sources and for visualizing the resultant overall sound pressure distribution in 3D space in real time are developed. ..

Resonant Optothermoacoustic Detection of Optical Absorption

A device comprising an acoustic detector, one or more thermal sensing elements coupled to the acoustic detector, and a light source. A method comprising directing a beam of light at a wavelength at or..

MOTION ACTIVATED AMPLIFIER

An electronic device that includes a motion activated amplifier structured to receive a first DC signal having a first DC voltage level and output a second DC signal having a second DC voltage level t..

METHOD FOR FABRICATING A SENSOR, A SENSOR, AND A METHOD FOR SENSING

A method for fabricating a sensor, a sensor so fabricated, and a method for sensing a stimulus are provided. The method includes providing an elongated open channel, such as, a V-groove, in a substrat..

APPARATUS, SYSTEMS AND METHODS FOR ENHANCED MULTI-CARRIER BASED UNDERWATER ACOUSTIC COMMUNICATIONS

Advantageous OFDM-based underwater acoustic (UWA) apparatus, systems and methods are provided according to the present disclosure. In general, OFDM transmissions over UWA channels encounter frequency-..

METHOD FOR CONTROLLING AN AUDITORY GAME AND ASSOCIATED DEVICE

The invention relates to a method for controlling an auditory game, wherein the displacement of a game element is given in a real time and is soundly reproducible. The inventive method consists in det..

NANO-MICROPHONE OR PRESSURE SENSOR

The invention relates to a method and a device for measuring or detecting and/or generating of pressures or pressure changes, in particular acoustic vibration and a method for production of such a dev..

MEMS MICROPHONE ARRAY ON A CHIP

The present invention relates to microelectromechanical systems (MEMS). In particular, the present invention relates to MEMS arrays for use in acoustics and other applications.

ACOUSTIC MOBILITY AID FOR THE VISUALLY IMPAIRED

A wide-band sonar system can be used as a mobility aid by the visually impaired. The system includes an acoustic source and a pair of miniature microphone arrays with frequency-dependent beam patterns..

JOINT POSITION-PITCH ESTIMATION OF ACOUSTIC SOURCES FOR THEIR TRACKING AND SEPARATION

The invention relates to a method for localizing and tracking acoustic sources (101) in a multi-source environment, comprising the steps of recording audio-signals (103) of at least one acoustic sourc..

RECONSTRUCTION OF A RECORDED SOUND FIELD

Equipment (10) for reconstructing a recorded sound field includes a sensing arrangement (12) for measuring the sound field to obtain recorded data. A signal processing module (14) is in communication ..

PULSE STIMULATION GENERATION METHOD

A method of generating stimulation pulses for application by an auditory prosthesis, the method comprising: processing an audio input to obtain time shifted frequency data in which frequency data of o..

ACOUSTIC SOURCE SEPARATION

A method of separating a mixture of acoustic signals from a plurality of sources comprises: providing pressure signals indicative of time- varying acoustic pressure in the mixture; defining a series o..

Predicting the perceived spatial quality of sound processing and reproducing equipment

A method and system for predicting the perceived spatial quality (e g. azimuth angle, envelopment) of sound processing and reproducing equipment comprises: measuring or recording the response of a dev..

APPARATUS AND METHOD FOR SOUND REPRODUCTION

Method and, apparatus for implementing the method, the method comprising determining control signal data for an array of loudspeakers, the control signal data being such as to control the loudspeakers..

ATTENUATORS, ARRANGEMENTS OF ATTENUATORS, ACOUSTIC BARRIERS AND METHODS FOR CONSTRUCTING ACOUSTIC BARRIERS

An attenuator for attenuating acoustic waves, the attenuator comprising: a first body defining a cavity therein and an elongate open aperture extending across a substantial portion of the first body, ..

Macromolecules separating method for manufacturing carbon nano tube field effect transistors, involves applying acoustic waves on solid surface to separate and align macro molecules in surface and det

The method involves applying acoustic waves on a solid surface for separating and aligning macro molecules in the solid surface. The acoustic waves are generated on the solid surface using sound gener..

ACOUSTIC WAVE TRANSDUCER SUBSTRATE AND MEASUREMENTS USING THE SAME

An acoustic wave transducer substrate is provided, the substrate having a surface with a plurality of growth promotion sites for promoting the accumulation of polypeptide molecules at said sites. The ..

Method for determining acoustic features of acoustic signals for the analysis of unknown acoustic signals and for modifying sound generation

The invention relates to a method of determining acoustic features of sound signals indicating the presence or absence of a property of the sound signal or sound generator, it also relates to the use ..

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