Reference: audienceHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: AUDIENCE72, C: Audiences, D: Audience
Value from the PTB table, not verified
Audiences, audience on moderately upholstered chairs (0.85 m x 0.63 m) (CATT: AUDIENCE72)
PTB reference data
Original description
Audiences, audience on moderately upholstered chairs (0.85 m x 0.63 m) (CATT: AUDIENCE72)
Material properties
No further information available.
Measurement data
Sound absorption
ISO 354 – reverberation chamber
Values per m² of audience area, not per chair or person.
αw
0.95
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.70 | 0.80 | 0.90 | 0.95 | 0.95 | 0.85 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| Measurement 1 | 0.95 | 0.72 | 0.82 | 0.91 | 0.93 | 0.94 | 0.87 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: