Difference tone

Difference tone(The pole it is) with, when two sounds where frequency is different have sounded at the same sufficient volume, it is the sound which is audible at the frequency which is suitable to the difference of that frequency.

Example: When sound of frequency 500 sound of frequency 400 is sounded simultaneously, sound of frequency 100 is audible.

ゲオルグ アンドレアス ゾルゲAndジュゼッペ タルティーニAnd others by, principle was discovered.

Actually, this principle is used in the pipe organ. Because the pipe in order to put out very bass becomes very enormous, the mass metal and the wide space are needed to making. Because of that, in order to put out economically bass in the space and the material which are limited, it could use this principle.

Because it is subjective sound, it does not appear in the measurement data and the like.

GroanAs the difference of frequency in the phenomenon which causes the strength of sound at the same period, it differs from the difference tone.

Related item

• sound
• Organ