Code | Description |
SW | Softwood sample |
HW | Hardwood sample |
Level xxx (dB) | Output signal amplitude in dB when measured at xxx (cm) distance from input signal |
Lx | Sample log number x (Four Logs were labelled as L1 to L4) |
C | Sample wood with cracks (extra holes were made to simulate cracks in logs L3 & L4) |
N | Sample wood in normal condition (i.e. No cracks for logs L1 & L2) |
H | High MC level |
M | Medium MC level |
L | Low MC level |
Xx kHz | Input signal frequency in xx kHz (1, 5, 10, 15, 20, 25, 50 and 100 kHz) |