Nightingale floor

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Nightingale floors (鴬張り or 鶯張り, uguisubari) About this sound listen , are floors that make a chirping sound when walked upon. These floors were used in the hallways of some temples and palaces, the most famous example being Nijō Castle, in Kyoto, Japan. Dry boards naturally creak under pressure, but these floors were built in a way that the flooring nails rub against a jacket or clamp, causing chirping noises. It is unclear if the design was intentional. It seems that, at least initially, the effect arose by chance. An information sign in Nijō castle states that "The singing sound is not actually intentional, stemming rather from the movement of nails against clumps in the floor caused by wear and tear over the years". Legend has it that the squeaking floors were used as a security device, assuring that none could sneak through the corridors undetected.[1]

The English name "nightingale" refers to the Japanese bush warbler, or uguisu which is a type of bushtit or nightingale native to Japan.[2]

Construction[edit]

Nightingale floors use nails to make a chirping noise under pressure

The floors were made from dried boards. Upside-down V-shaped joints move within the boards when pressure is applied.[3]

Etymology[edit]

Uguisu (鶯 or 鴬) refers to the Japanese bush-warbler. The latter segment bari (張り) comes from haru (張る), meaning "to stretch". Together this means "the sound of a Nightingale from the stretching/swelling/straining [of the floor]".

Examples[edit]

The following locations incorporate nightingale floors:

Modern influences and related topics[edit]

Notes[edit]

  1. ^ Mysterious Japan, nightingale Floor: Kyoto Japan
  2. ^ A-Z Animals, "Uguisu" under "Animals".
  3. ^ Japan-Guide.com, Nijo Castle under "Kyoto Travel: Nijo Castle".

References[edit]

External links[edit]