DIN ISO 226:2006-04
Current
The latest, up-to-date edition.
ACOUSTICS - NORMAL EQUAL-LOUDNESS-LEVEL CONTOURS
Hardcopy , PDF
English
01-01-2006
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Formula for derivation of normal equal-loudness-level contours
4.1 Deriving sound pressure level from loudness level
4.2 Deriving loudness levels from sound pressure levels
Annex A (normative) Normal equal-loudness-level contours for pure
tones under free-field listening condition
Annex B (normative) Tables for normal equal-loudness-level
contours for pure tones under freefield
listening conditions
Annex C (informative) Notes on the derivation of the normal
equal-loudness-level contours
Bibliography
Gives combinations of sound pressure levels and frequencies of pure continuous tones which are perceived as equally loud by human listeners.
DocumentType |
Standard
|
Pages |
25
|
PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
Status |
Current
|
Standards | Relationship |
ISO 226:2003 | Identical |
ISO 389-7:2005 | Acoustics Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions |
ISO 266:1997 | Acoustics — Preferred frequencies |
DIN EN ISO 389-7:1998-12 | ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS |
DIN EN ISO 266:1997-08 | ACOUSTICS - PREFERRED FREQUENCIES |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.