Non-Destructive Testing Vocabulary

noun a branch of acoustics that involves creating a visual representation of sound waves in a particular space

• Acoustical holography is a technique used for reconstructing sound fields.
• I heard about this cool thing called acoustical holography that can create 3D sound images.
• Acoustical holography is like magic for sound!
• Using acoustical holography, we can paint a picture with sound waves.

noun a sound or vibration that is produced by a material when it undergoes stress or deformation

• Acoustic emission monitoring is commonly used in structural health monitoring of bridges.
• The acoustic emission sensors can detect any cracks in the building.
• I heard some weird noises coming from the wall, could be acoustic emissions.
• The silence in the room was shattered by the acoustic emission of laughter.