Building Acoustics Assistant (BA Assistant) is an application for smartphones and tablets with the
Android operating system, dedicated to assessments of airborne or impact sound insulation in buildings
and of building elements in accordance with the next standards:
• ISO 16283-1:2014 Acoustics -- Field measurement of sound insulation in buildings and of
building elements -- Part 1: Airborne sound insulation,
• ISO 16283-2:2018 Acoustics -- Field measurement of sound insulation in buildings and of
building elements -- Part 2: Impact sound insulation,
• ISO 16283-3:2016 Acoustics -- Field measurement of sound insulation in buildings and of
building elements -- Part 3: Façade sound insulation,
• ISO 140-4:1998 Acoustics -- Measurement of sound insulation in buildings and of building
elements -- Part 4: Field measurements of airborne sound insulation between rooms,
• ISO 140-5:1998 Acoustics -- Measurement of sound insulation in buildings and of building
elements -- Part 5: Field measurements of airborne sound insulation of façade elements and
façades,
• ISO 140-7:1998 Acoustics -- Measurement of sound insulation in buildings and of building
elements -- Part 7: Field measurements of impact sound insulation of floors.
BA Assistant is dedicated as well to assessments of speech intelligibility (STI) induced by the
transmission channel in accordance with the standards: IEC 60268-16:2011, DIN VDE 0833-4 and
AS 1670.4. The applications of STI include evaluation of sound reinforcement and emergency systems,
communication channels, speech intelligibility, communication in rooms and auditoria, etc.
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