IEC 60268-9:1977 

Sound system equipment - Part 9: Artificial reverberation, time delay and frequency shift equipment


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Applies to devices intended to give reverberation, time delay or frequency shift to signals of an acoustical origin. It covers the types of devices commonly employed to achieve special effects on sound recording, broadcasting and public-address systems. Provides details of the special characteristics and corresponding methods of measurement to be used for artificial reverberation, time delay and frequency shift equipment.

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Additional information

Publication typeInternational Standard
Publication date1977-01-01
Available language(s)English/French, Russian
TC/SCTC 100/TA 20 - Analogue and digital audiorss
ICS33.160.99 - Other audio, video and audiovisual equipment
Stability date  2023
File size1729 KB

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