DIN ISO 9921-1
Ergonomic assessment of speech communication; part 1: speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method); identical with ISO/DIS 9921-1:1992
inactive, Most Current
| Organization: | DIN |
| Publication Date: | 1 December 1992 |
| Status: | inactive |
| ICS Code (Noise with respect to human beings): | 13.140 |
Document History
DIN ISO 9921-1
December 1, 1992
Ergonomic assessment of speech communication; part 1: speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method); identical with ISO/DIS 9921-1:1992
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