SONarchitect ISO mengira: ISO12354

• Nilai penebat bunyi melalui udara berdasarkan EN 12354-1.
• Tahap kebisingan kesan berdasarkan EN 12354-2.
• Nilai penebat akustik fasad mengikutEN 12354-3.
• Tahap pelepasan kebisingan dari kandang bising menurut EN 12354-4.
• Tempoh reverberasi di bilik mengikut EN 12354-6.

Juga menjalankan pengiraan Metzen approximation.

Untuk pengiraan analitik bagi indeks pengurangan bunyi (dan tahap kebisingan kesan) SONarchitect ISO termasuk SONmultilayer, dengan kaedah matrix transfer function, serta SONequation dengan kaedah-kaedah yang dirujuk dalam:

• M.J. Crocker and A.J. Price, “Sound Transmission Using Statistical Energy Analysis”, Journal of Sound & Vibration, 1969 9(3) 469-486.
• EN 12354-1:2000, Building acoustics. Estimation of acoustic performance in buildings from the performance of elements. Airborne sound insulation between rooms, Appendix B.
• S. Ljunggren, “Airborne sound insulation of thick walls”, Journal of the Acoustical Society of America, 89(5) 1991.
• A. Brekke, “Calculation method for the transmission loss of single, double and triple partitions”, Applied Acoustics 14 (1981) 225-240.
• A. London, “Transmission of reverberant Sound through Double Walls”, Journal of the Acoustical Society of America, 22(2) 1950.