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How would you like to come in to our Patio filled with tips of information regarding our business?

In this column, through conversation between characters, Ken and his father, interesting topics will be easily explained regarding “sound” and “vibration”, which are familiar to us in our daily life.

If this column helps you to clear your cloud or solve your questions, it would be much appreciated.

Ken is in the first grade at junior high school. His father is an engineer working at the company for measuring and analyzing the sound and vibration. Here shall we start the topics of noise in a condominium which is one of the most familiar matter to many of us?

1	Sound at apartment - No.1 Floor impact sound
2	Sound at apartment - No.2 Air-borne-sound and structure-borne-sound
3	Sound at apartment - No.3 Sound isolation of window sash
4	Spectral masking
5	Temporal masking
6	Analog and digital
7	Sound diffraction
8	Doppler Effec
9	Absolute pitch
10	Music Hall Sound
11	Design of sound
12	Pascal and decibel
13	Octave
14	Equitempered scale and harmonic overtone
15	Cocktail party phenomenon