Music Theory
Time Signatures
How Sound Works
Soundwaves
Acronyms and Definitions
100

This is the octave of C.

What is C?

100

In a time signature of 4/4, this is how many half notes would fit in a measure.

What is 2?

100

This term describes the highness or lowness of a sound, which is determined by its frequency.

What is pitch?

100

Soundwaves occur due to these molecules colliding due to pressure differences.

What are air molecules?

100

BPM stands for this.

What is beats per minute?

200

These are the letter notes of a C Major Scale.

What is CDEFGAB?

200

This is what the top number in a time signature represents.

What is the number of beats in a measure?

200

This unit is used to measure sound intensity.

What is Decibels?

200

This is the top part of a soundwave.

What are compressions?

200

DAW stands for this.

What is Digital Audio Workstation?

300

This is the "secret formula" for knowing how to find the correct letter names/notes for a major scale with any note.

What is WWHWWWH?

300

This is what the bottom number in a time signature represents.

What is what type of note gets the beat?

300

This device converts sound waves into electrical signals for amplification/recording.

What is a microphone?

300

This is the bottom part of a soundwave.

What are rarefactions?

300

SPL stands for this.

What is Sound Pressure Level?

400

This is the tonic in a G Minor Scale?

What is G?

400

In a time signature of 5/4, this is how many eighth notes would fit in a measure.

What is 10?

400

Sound is the result of air molecules colliding do to this.

What is pressure differences?

400

This unit is used to illustrate what the exact pitch of a note is, which is the number of cycles per second.

What is Hertz?

400

DAC stands for this.

What is Digital-to-Analog Converter?

500

This note is a half step up from F.

What is F# or Gb?

500

In a time signature of 5/8, what type of note gets the beat?

What is eighth note?

500

This term refers to the phenomenon where two sound waves of slightly different frequencies interfere with each other, creating a wavering sound.

What is a beat frequency?

500

This is the word used to describe the height of the wave and is measured in dB.

What is amplitude?

500

These are responsible for converting sound waves into nerve signals that the brain interprets as sound.

What are hair cells?