High-voltage switchgear and controlgear. Standard practice for the measurement of sound pressure levels on alternating current circuit-breakers
Edition 2012-11-30

Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods
Edition 2004

Television systems - NICAM 728: transmission of two-channel digital sound with terrestrial television systems B, G, H, I, K1 and L
Edition 1998-06-01

Cable networks for television signals, sound signals and interactive services. A study of IPTV systems with examples and applications for optical broadcast services
Edition 2024-02-29

Sound system equipment - Part 24: Headphones and earphones - active acoustic noise cancelling characteristics (Endorsed by Asociación Española de Normalización in February of 2024.)
Edition 2024-02-01

Radio data system (RDS). VHF/FM sound broadcasting in the frequency range from 64,0 MHz to 108,0 MHz. UECP. Universal Encoder Communication Protocol
Edition 2021-11-19

Standard Specification for Flexible Polymeric Foam Sheet Insulation Used as a Thermal and Sound Absorbing Liner for Duct Systems
Edition 2024

Standard Practice for Measurement of Sound Pressure Level Differences and Decay Curves Using the Impulse Response Method with Swept Sinusoidal Signals
Edition 2023

Standard Test Method for Laboratory Measurement of the Effectiveness of Floor Coverings in Reducing Impact Sound Transmission Through Concrete Floors
Edition 2021

Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
Edition 2021