1. ISO 3095: Acoustics – Measurement of noise emitted by railbound vehicles
2. ISO 3740: Acoustics – Determination of sound power levels of noise sources – Guidelines for the use of basic standards and for the preparation of noise test codes
3. ISO 3741: Acoustics – Determination of sound power levels of noise sources – precision methods for sources in reverberation rooms
4. ISO 3743: Acoustics – Determination of sound power levels of noise sources – Engineering methods for special reverberation test rooms
5. ISO 3744: Acoustics – Determination of sound power levels of noise sources – Engineering methods for free-field conditions over a reflecting plane