Device for studying acoustic & mechanical noise

1

Acoustic & Mechanical Noise Reader

Condenser Mic

2

Noise Investigator and Helper

3

4

5

Tone Generator

Scanning a electromechanical device for mechanical noise

6

7

Scanning the vent-wall

Scanning the optical table

8

Airborne noise detection in hood

9

Mechanical vibration (noise) transmissibility test

10

Tone generator : frequency generated from 100 to 600Hz

11

Mechanical vibration (noise) transmissibility testThree different sample holders tested

Aluminum plate

Acrylic plate

Acrylic plate with less surface

Diaphragm cut

12

Mechanical vibration (noise) transmissibility test result

13

Three different piezo – stage holder tested

Mechanical vibration (noise) transmissibility test

On the floor

14

Aluminum stage Aluminum stage holder+ piezo stage

Polypropylene stage Polypropylene stage holder+ piezo stage

15

Polypropylene stage with rubber cushion

Upside down

Polypropylene stage holder+ piezo stage

16

Mechanical vibration (noise) transmissibility test result

17

Listen & see a specific band