Số hiệu tiêu chuẩn
DIN EN 20354/A1
Tên tiêu chuẩn
Acoustics - Measurement of sound absorption in a reverberation room; Amendment A1: Test specimen mountings for sound absorption tests (ISO 354:1985/AMD 1:1997); German version EN 20354/A1:1997
Ngày phát hành
1997-10-00
Tiêu chuẩn tương đương
EN 20354/A1 (1997-06), IDT * ISO 354 AMD 1 (1997-06), IDT
Thay thế cho
DIN EN 20354/A1 (1995-01)
Từ khóa
Acceptance (approval) * Acoustic absorption * Acoustic measurement * Acoustic testing * Acoustics * Building acoustics * Coefficients * Construction * Cutoff * Definitions * Erecting (construction operation) * Measurement * Measurement circuits * Measuring frequencies * Principle of measurement * Representations * Results * Reverberation * Reverberation rooms * Rooms * Sound * Sound absorption * Sound absorption coefficient * Sound energy * Sound sources * Test object * Testing * Tests