Sound transmission system

Process for the production of a panel for the acoustic treatment incorporating the frost treatment function with hot air

EXTERIOR ACOUSTIC LOUVRE

PROCESS FOR MANUFACTURING AN ACOUSTIC PANEL FOR AN AIRCRAFT NACELLE

System and method for noise suppression

Acoustic suppression systems and related methods

COMPOSITE SOUND-ABSORBING DEVICE WITH BUILT IN RESONANT CAVITY

Acoustic panel

Acoustic skin for an aircraft nacelle acoustic panel

Noise attenuation panel and a gas turbine component comprising a noise attenuation panel

Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers

Implementing dynamic noise elimination with acoustic frame design

Audio device, and methods for designing and making the audio devices

Acoustic honeycomb with perforated septum caps

System and method for noise suppression

Sandwich panel including honeycomb structure body and method of producing the sandwich panel

Honeycomb core structure for use in a structural panel for a jet engine nacelle

METHOD FOR MANUFACTURING A STRUCTURE WITH CELLULAR CORES FOR A TURBOJET NACELLE

Acoustic structure

Multilayer board for acoustic insulation

UNIT WITH A SOUND ISOLATION/VIBRATION ISOLATION STRUCTURE, ARRAY EMPLOYING THE SAME, AND METHOD FOR FABRICATING THE SAME

Composite honeycomb structure

Hybrid sound absorbing sheet

Construction machine with cab noise reduction device

Silencing equipment for electric devices

Method for adjusting a Helmholtz resonator and an adjustable Helmholtz resonator

Acoustic panel for an ejector nozzle

Multilayer sound absorbing sheet

Viscoelastic phononic crystal

Acoustic septum cap honeycomb

Insulation design for thermal and acoustic insulation of an aircraft

Process for Audible Acoustic Frequency Management in Gas Flow Systems

CENTRIFUGAL FAN AND NOISE REDUCTION METHOD IN CENTRIFUGAL FAN

Process for Audible Acoustic Frequency Management in Gas Flow Systems

Buffering and Sound-Absorbing Member

Acoustic coating for an aircraft incorporating a frost treatment system by joule effect

Aircraft leading edge

Damping device and gas turbine combustor

Sandwich element for sound-absorbing inner cladding of transport means, especially for sound-absorbing inner cladding of aircraft fuselage cells

Acoustic structure

HELMHOLTZ RESONATOR

Acoustic panel

Porous sound absorbing structure

Support structure and exposure apparatus

Aircraft cabin panel with core recesses for acoustic absorption

Noise cancellation earphone

Acoustic panel having a variable acoustic characteristic

Process for the production of an acoustically resistive structure, the acoustically resistive structure thus obtained, and coating using such a structure

Acoustic panel

Method for making an acoustic absorption panel in particular for the nacelle of an aircraft engine

METHOD FOR MAKING AN ACOUSTIC TREATMENT COATING AND COATING THUS OBTAINED

SILENCING EQUIPMENT FOR ELECTRIC DEVICES

Acoustic structure and acoustic room

SOUND ABSORBING STRUCTURE USING CLOSED-CELL POROUS MEDIUM

Method of adjusting acoustic impedances for impedance-tunable acoustic segments

Dipole flow driven resonators for fan noise mitigation

Solid-borne sound reducing structure

Composite panel

SOUND ABSORBING STRUCTURE AND VEHICLE COMPONENT HAVING SOUND ABSORPTION PROPERTY

Sound absorbing structure and vehicle component having sound absorbing property

Sandwich panel for sound absorption

Sandwich panel for sound absorption

Absorbent structure for attenuating noise particular by a rotor-generator noise, and a rotor duct including such a structure

Sound absorbing structure and sound chamber

Noise reduction with resonatance chamber

Acoustic Panel

Ventilation device and frame system

Assembly for reducing noise in turbofan engines

Perforated soundproof structure and method of manfacturing the same

Acoustic septum cap honeycomb

Acoustic absorber for aircraft engines

Sound absorbing element and method for producing a sound absorbing element

Silencer and electronic apparatus having the same

Sound absorbing structure

Double-Wall Structure

Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate

Perforated Skin For Acoustic Element, Acoustic Element And Method For Making Same

Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate

Acoustic insulator and method of manufacturing same

Sound absorbing body

Wind turbine rotor blade with acoustic lining

Method of joining composite honeycomb sections

Muffler duct

Noise Proof Structure of Cabin

Acoustic septum cap honeycomb

Micro-perforated acoustic liner

Porous Sound Absorbing Structure

Sound-absorbing material, production method of the same, and sound-absorbing panel

Method, device and system for altering the reverberation time of a room

Acoustic liner with bypass cooling

Vibration excited sound absorber with dynamic tuning

Sound absorbing device for ultra-low frequency sound

Sound absorbing structure body and producing method thereof

Acoustic dampers

Acoustic septum cap honeycomb

Acoustic liner with a nonuniform depth backwall

Acoustic liner with nonuniform impedance

Component that absorbs airborne sound

Sound insulation/absorption structure, and structure having these applied thereto

Room mode bass absorption through combined diaphragmatic and helmholtz resonance techniques

Audio system

Sound-absorbing structure body

Acoustic structure and method of manufacturing thereof

Motor vehicle floor covering comprising a tufted velour carpet layer, and method for producing the same

Sound-absorbing structure using thin film

Acoustic liner use of such a liner and method for manufacturing an acoustic liner

Acoustically intelligent structures with resonators

Hearing protection earplug and method for manufacturing such an earplug

Corrugated engineering plastic cardboard

High admittance acoustic liner

Sound-absorbing structure and sound-absorbing unit

Noise reducing equipment

Noise reducing equipment

Sound absorbing body, sound absorbing structural body, and method of manufacturing these bodies

Sound absorber comprising two parts delimiting a hollow space

Device and method for active soundproofing, and power unit for aeroplanes

Pneumatic tire and tire cavity resonance suppression device

APPARATUS AND METHOD FOR AIRCRAFT CABIN NOISE ATTENUATION VIA NON-OBSTRUCTIVE PARTICLE DAMPING

Sound attenuating structures

Method of assembling and monitoring an acoustic panel comprising a double resonator with a honeycomb core

Method for making a soundproofing panel with at least one double resonator

Sound shielding element, use thereof and method of producing the same

Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate

Soundproofing panel with beads, and a method of manufacture

Noise absorbing structure and noise absorbing/insulating structure

Methods for designing a chamber to reduce noise in a duct

Electromechanical acoustic liner

Acoustic attenuation materials

Composite damping lightweight sound insulation wall

Noise reduction gas path structure, gas path device and respirator

Underwater acoustic projector transducers

Sound isolation device

Underwater subwoofer system

Computationally optimized and manufactured acoustic metamaterials

Additively manufactured locally resonant interpenetrating lattice structure

Methods and systems for broad-band active noise reduction

Honeycomb unit cell acoustic metamaterial with in situ buttresses for tuned acoustic frequency attenuation

Acoustic liners for turbine engines

Broadband acoustic panels coupled with large secondary cavities to attenuate low frequencies

Acoustic liners for turbine engines