• Ambient acoustic noise

 Standards:

LST ISO 1996-2:2017 Acoustics. Description, measurement and evaluation of environmental noise. 2 part. Determination of sound pressure levels.

Measured / calculated parameters:

Equivalent sound pressure level L_AeqT; Maximum sound pressure level L_AFmax.

• Measurement of sound insulation in buildings and of building elements. Airborne sound insulation

 Standards:

LST EN ISO 16283-1: 2014 Acoustics. On – site measurement of sound insulation of building envelopes and building elements. Part 1. Airborne sound insulation ‘;

LST EN ISO 717-1: 2013 Acoustics. Evaluation of sound insulation of building enclosures and its parts. Part 1. Airborne sound insulation ‘.

Measured / calculated parameters:

Standardized difference in sound levels D_nT,w; Sound level difference D, the apparent sound reduction factor R’_W.

• Measurement of sound insulation in buildings and of building elements. Natural measurements of floor impact sound insulation

 Standards:

LST EN ISO 16283-2: 2015 Acoustics. On-site sound insulation measurement of building enclosures and building elements. 2 part. Impact sound insulation ‘;

LST EN ISO 717-2: 2013 Acoustics. Evaluation of sound insulation of building envelope and its parts. 2 part. Impact sound insulation. ‘

Measured / calculated parameters:

Normalized impact sound pressure level L’_n,w.

• Measurement of sound insulation in buildings and of building elements. Natural measurements of airborne sound insulation of the facade and its parts

 Standards:

LST EN ISO 16283-3: 2016 Acoustics. On-site sound insulation measurement of building enclosures and building elements. Part 3. Sound insulation of facades’;

LST EN ISO 717-1: 2013 Acoustics. Evaluation of sound insulation of building envelope and its parts. Part 1. Airborne sound insulation ‘.

Measured / calculated parameters:

Standardized sound level difference D_2m,nT,w;  R’_tr,s,W  is the apparent sound reduction ratio from transport noise.

• Measurement of sound insulation in buildings and of building elements. Natural measurements of floor impact sound insulation

 Standards:

LST EN ISO 16283-2: 2015 Acoustics. On-site sound insulation measurement of building enclosures and building elements. 2 part. Impact sound insulation ‘;

LST EN ISO 717-2: 2013 Acoustics. Evaluation of sound insulation of building envelope and its parts. 2 part. Impact sound insulation. ‘

Measured / calculated parameters:

Normalized impact sound pressure L’_n,w.

• Indoor reverberation measurements

 Standards:

LST EN ISO 3382-2: 2008 Acoustics. Measurement of room acoustic parameters. 2 part. Reverberation Duration of Conventional Premises’;
LST EN ISO 3382-2: 2008 / AC: 2009.

Measured / calculated parameters:

Reverberation duration T₂₀ /T₃₀ / T₆₀

• Measurement and calculation of room acoustic parameters

 Standards:

LST EN ISO 3382-2: 2008 Acoustics. Measurement of room acoustic parameters. 2 part. Reverberation Duration of Conventional Premises’;
LST EN ISO 3382-2: 2008 / AC: 2009.

LST EN ISO 3382-1 Acoustics. Measurement of room acoustic parameters. Part 1. Entertainment facilities.

Measured / calculated parameters:

E_(t) , T₂₀ /T₃₀ / T₆₀ ; EDT, C₈₀; C₅₀; D₈₀; D₅₀; ASW (J_LF / J_LFC); LEV (L_J);  G; T_S ; IACC; ST_Early / ST_Late