Information technology - Coding of audio-visual objects - Part 26: Audio conformance - Amendment 4: AAC Additional Multichannel Conformance Data
Edition 2016-11

Land Mobile Service; Multichannel transmitter specification for the PMR Service; Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU
Edition 2017-01-01

Multi-channel radio-frequency connectors - Part 2: Sectional specification for MQ4 series circular connectors (IEC 46F/627/CDV) (english version)
Edition 2022-11-15

BS EN IEC 63138-4. Multi-channel radio frequency connectors. Part 4. Sectional specification for type L32-4 and L32-5 circular connectors
Edition 2024-01-26

Cinematography. Multichannel analogue and digital photographic sound and control records on 35 mm motion-picture prints and negatives, and digital sound-control records on 70 mm motion-picture prints and negatives. Position and width dimensions
Edition 2018-02-19

Multi-channel radio frequency connectors - Part 1: Generic specification - General requirements and test methods
Edition 2020-03-11

Multi-channel radio-frequency connectors - Part 2: Sectional specification for MQ4 series circular connectors
Edition 2021-06-02

Multi-channel radio frequency connectors - Part 3: Sectional specification for MQ5 series circular connectors
Edition 2022-09-14

AECOMMENDED METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSIONS. PART 5: ELECTRICAL MEASUREMENTS ON MULTICHANNEL SOUND TELEVISION RECEIVERS USING THE NICAM TWO-CHANNEL DIGITAL SOUND-SYSTEM. (Endorsed by AENOR in May of 1995.)
Edition 1995-05-01

RECOMMENDED METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSIONS. PART 5: ELECTRICAL MEASUREMENTS ON MULTICHANNEL SOUND TELEVISION RECEIVERS USING THE NICAM TWO-CHANNEL DIGITAL SOUND-SYSTEM (Endorsed by AENOR in June of 1999.)
Edition 1999-06-01