Information technology. 130 mm rewritable optical disk cartridge for information interchange Ingestion-build-205840 A reciprocity calibration of microphones

A reciprocity calibration of microphones may be carried out either by means of three microphones

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ISO/IEC 19823-21 contains conformance tests for all mandatory functions

Information technology. 130 mm rewritable optical disk cartridge for information interchange Ingestion-build-205840 A reciprocity calibration of microphonesWhat is ISO IEC 10089 130 mm rewritable optical disk cartridge for information interchange about? ISO IEC 10089 specifies: Definitions of the essential concepts The environment in which the characteristics are to be tested The environments in which the cartridge is to be operated and stored The mechanical, physical, and dimensional characteristics of the case and of the optical disk The magneto optical characteristics and the recording characteristics