ISO 9921-1:1996
Ergonomic assessment of speech communication - Part 1: Speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method)

Standard No.

ISO 9921-1:1996

Release Date

1996

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Latest

ISO 9921-1:1996

ISO 9921-1:1996 history

• 1996 ISO 9921-1:1996 Ergonomic assessment of speech communication - Part 1: Speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method)