Śruti (music)

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Indian Music
Indian classical music
Hindustani music
Carnatic music
List of Carnatic composers
List of Carnatic singers
Concepts
Raga ·Thaat ·Melakarta · Katapayadi sankhya
Śruti · Swara · Saptak
Tala · Mudra ·Gharana

The śruti (Sanskrit "thing heard", "sound"; written also sruti or shruti) is the smallest interval of the tuning system in Indian classical music. Canonically, there are 22 śruti in the octave, although systems with more or fewer śruti have been proposed. Here they are given in terms of just intonation, although many authors assume schismatic temperament implicitly.

There are Infinite ratio & so, kinds of śrutis, in Indian Music as there is full freedom; Yet classical described are

  • Chatuh shruti : 9/8
  • Tri Shruti : 10/9
  • Dwi shruti : 16/15
  • Single or Mono shruti : 81/80 which is called pramana Shruti.

Further there are Antar-shruti which give distances within one shruti

Means it shows how distances were formed

  1. 2:1 is taken as distance between same Swar shruti Sa to Sa, Re to Re Ga to Ga & likewise. this was placed on "4 th shruti"
  2. 3:2 is distance between Sa & Pa that is ist tone & 5th tone. this was placed on "17th shruti"
  3. 4:3 is taken as distance between Sa & Ma Shuddha this was placed on "13 th shruti"
  4. 5:4 is taken as distance between Sa & Ga Shuddha this was placed on "13 th shruti"
  5. 6:5 is taken as distance between Sa & Ga Komal which was called teevra in old ages as moving Ga towards Re makes Re Shuddha


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