Nearly 40 years in the making!
ASA/ANSI S12.7-2026, Methods for Measurement of Impulsive Sound Waveforms, has been approved—marking its first revision since 1986. Updated for today’s measurement technology and practices. Coming soon!

Nearly 40 years in the making!
ASA/ANSI S12.7-2026, Methods for Measurement of Impulsive Sound Waveforms, has been approved—marking its first revision since 1986. Updated for today’s measurement technology and practices. Coming soon!
📢 BSR/ASA S3.21-20XX is open for recirculation public review through Nov. 23, 2026.
The draft was previously announced in ANSI Standards Action. To request the revised draft and comment form, email [email protected].
One package. Three standards.
The ASA/ANSI S12.60 Package brings together Parts 1, 2 & 4, with acoustical guidance for a range of school environments.
Save 10% off list prices with the complete package!
Shop now: https://bit.ly/3TfedO6
📣 Now Reaffirmed: ASA/ANSI S12.55 and Amendment 1!
ASA/ANSI S12.55-2012 / ISO 3745:2012 and its Amendment 1 have been reaffirmed (R2026) as Nationally Adopted International Standards (NAIS).
📣 Now Published: ASA/ANSI S3.39-2026!
The newly revised American National Standard is now available through the ASA Standards Store.
🔎 Learn more and access the new edition: https://asastandards.org/catalog/