Số hiệu tiêu chuẩn
EN ISO 389-7
Tên tiêu chuẩn
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:1996)
Ngày phát hành
1998-01-00
Tiêu chuẩn tương đương
DIN EN ISO 389-7 (1998-12), IDT * BS EN ISO 389-7 (1998-04-15), IDT * NF S30-007-7 (1999-08-01), IDT * ISO 389-7 (1996-12), IDT * SN EN ISO 389-7 (1999), IDT * OENORM EN ISO 389-7 (1998-08-01), IDT * SS-EN ISO 389-7 (1998-03-06), IDT * UNE-EN ISO 389-7 (1998-07-30), IDT * TS EN ISO 389-7 (2000-04-21), IDT * STN EN ISO 389-7 (2000-12-01), IDT * CSN EN ISO 389-7 (1998-12-01), IDT * DS/EN ISO 389-7 (1998-10-07), IDT * NEN-EN-ISO 389-7:1998 en (1998-02-01), IDT
Tiêu chuẩn liên quan
EN ISO 266 (1997-05) * ISO 266 (1997-04) * ISO 8253-1 (1989-11)
Từ khóa
Acoustics * Audiometry * Auditory threshold * Calibration * Conditions * Definitions * Diffuse fields * Free fields * Investigations * Measurement of threshold of audibility * Reference conditions * Reference levels * Reference measuring methods * Sound fields * Sound pressure level * Requirements