ISO 9921-1:1996 PDF
Ergonomic assessment of speech communication — Part 1: Speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method)
Ergonomic assessment of speech communication — Part 1: Speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method)
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 10
- Publication date:
- October 24, 1996
- Edition:
- ISO IS 9921 edition 1 version 1
- ICS:
- 13.180
Provides a method for prediction of the effectiveness of speech communication in the presence of noise generated by machinery as well as in noisy environment. Parameters are the ambient noise at the speaker's position, ambient noise at the listener's position, distance between the communication partners and a great number of physical and personal conditions.
Technical details
- Technical committee
- ISO/TC 159/SC 5 - Ergonomics of the physical environment
- SKU
- ISO 9921-1:1996


