ISO/WD 226

Acoustics — Normal equal-loudness level contours

General information

Current stage: 20.98 Effective date: Jan 11, 1999

Originator: ISO

Owner: ISO/TC 43

Type: International Standard

Life cycle

PREVIOUSLY

Revises
ISO 226:1987

NOW

ABANDON
ISO/WD 226
20.98 Project deleted
Jan 11, 1999

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