ACOUSTIC 101

Here are some links to quick lessons and explanations of the Acoustic Science implemented in our products.

PROPAGATION OF SOUND

Sound is propagated in air.

NOISE REDUCTION

Reduction of reflected sounds.

SOUND ISOLATION

Blocking potential transmission.

WAVELENGTH & LOUDNESS

Frequency changes sound wave length?

RELATIVE LOUDNESS

How loud is loud?

SOUND SEALANTS

A small crack can compromise the sound isolation of an entire wall.

SPEED OF SOUND

How fast speed travels through various mediums.

NOISE INTERFERENCE WITH SPEECH

Background noise can mask a conversation.

SOUND ABSORPTION COEFFICIENTS

How various materials react to sound.

EQUAL LOUDNESS CONTOURS

Our ears do not perceive all sounds equally.

SPEECH INTELLIGIBILITY

the percentage of speech heard correctly.

NOISE SOURCES

Identifying obtrusive sound sources.

PERCEPTION OF SOUND

How loud is loud?

SIGNAL TO NOISE RATIO

How much louder should a speaker be than the audience?

METRIC CONVERSIONS

Metric conversion chart.

INVERSE SQUARE LAW

The further from the source the lower the sound.

SPEECH DIRECTIVITY

The speaker’s orientation in a space.

REVERBERATION TIME DEMONSTRATION

How long does the reverberation or echo last?

MASKING SOUND SYSTEMS

Masking sound with sound.

SPEECH PRIVACY

The ability to maintain confidentiality.

REFLECTED SOUND

Sound reflection off of hard surfaces.

SOUND ABSORPTION & NRC

Noise reduction.

ADDING DECIBELS

4 + 4 = 5?

TRANSMISSION OF SOUND

Sound generated on one side of a wall will energize the wall structure.

SOUND TRANSMISSION CLASS (STC)

How effectively a material transfers sound.

RESONANT FREQUENCY

How an assembly reacts to various frequency energy.

WHAT IS NOISE?

Noise is unwanted sound.