Sound Experience

Feeling the acoustic sound physically

Let’s experience sound
Listen to the sound with the headphone.

Basic knowledge about sound

Sound volume

#The unit to express the sound level is "dB."
#As the volume becomes larger, the "sound volume level becomes larger."
#With human senses, when the level becomes higher by 10dB, the sound is twice as loud.
In contrast, when the level becomes lower by 10dB, the sound is half as loud.

Change in sound volume

  • -30dB Human sense
    1/8 times

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  • -20dB Human sense
    1/4 times

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  • -10dB Human sense
    1/2 times

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  • Standard Human sense
    Standard

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  • +10dB Human sense
    2 times

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  • +20dB Human sense
    4 times

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  • +30dB Human sense
    5 times

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Tone Pitch

#The unit to express a sound's pitch is "Hz."
#As the value becomes larger, the "tone pitch becomes higher.
#Human beings are capable of hearing in the frequency range from 20 Hz to 20,000 Hz.
#The most audible pitch for people is in the range from 500 Hz to 1,000 Hz.

  • 125Hz

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  • 250Hz

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  • 500Hz

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  • 1000Hz

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  • 2000Hz

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  • 4000Hz

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Effects of sound insulation and absorption

HOME THEATER AUDIO HOME
THEATER
AUDIO

Sound insulation effect

Sounds that can be heard in a room

  • Sound sources in a theater

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Sounds audible in the adjacent room

  • Ceiling (45dB) RC non-sound insulation

    play
    pause

  • Wall (55dB) RC standard sound insulation

    play
    pause

  • Flooring (60dB) RC premium sound insulation

    play
    pause
Sound leaked through a door

  • General door(20dB) RC non-sound insulation

    play
    pause

  • DAIKEN's Class-A sound-insulated door (35dB) RC standard sound insulation

    play
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  • DAIKEN's Class-S sound-insulated door (40dB) RC premium sound insulation

    play
    pause

The figure in ( ) shows the guideline for sound insulation of 500Hz in each region.

Sound absorption effect

Vibrancy of sound in a room

  • No sound absorption

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  • Live

    play
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  • Dead

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The term "no sound absorption" indicates a condition where a vinyl cloth sheet is applied on the plasterboard for the ceiling and walls, and a wooden floor is installed.

PIANO ROOM PIANO
ROOM

Sound insulation effect

Sounds that can be heard in a room

  • piano sound sources

    play
    pause
Sounds audible in the adjacent room

  • Ceiling (45dB) RC non-sound insulation

    play
    pause

  • Wall (55dB) RC standard sound insulation

    play
    pause

  • Flooring (60dB) RC premium sound insulation

    play
    pause
Sound leaked through a door

  • General door(20dB) RC non-sound insulation

    play
    pause

  • DAIKEN's Class-A sound-insulated door (35dB) RC standard sound insulation

    play
    pause

  • DAIKEN's Class-S sound-insulated door (40dB) RC premium sound insulation

    play
    pause

The figure in ( ) shows the guideline for sound insulation of 500Hz in each region.

Sound absorption effect

Vibrancy of sound in a room

  • No sound absorption

    play
    pause

  • Live

    play
    pause

  • Dead

    play
    pause

The term "no sound absorption" indicates a condition where a vinyl cloth sheet is applied on the plasterboard for the ceiling and walls, and a wooden floor is installed.