Table 4 Boundaries of the frequency bands conducive for front-back discrimination (see Fig. 3)
Study | Acronym | Direction | Frequency limits |
|---|---|---|---|
Blauert (1969/70) [16] (Boosted Bands) | B1 | Front | 150–540 Hz |
B2 | Back | 0.72–1.7 kHz | |
B3 | Front | 1.9–2.9 kHz | |
B4 | Front | 3.6–5.8 kHz | |
B5 | Back | 7.4–11.1 kHz | |
Blauert (1969/70) [16] (Directional Bands) | D1 | Front | 0.28–0.56 kHz |
D2 | Back | 0.72–1.8 kHz | |
D3 | Front | 2.9–5.8 kHz | |
D4 | Back | 10.3–14.9 kHz | |
Hebrank and Wright (1974) [17] | HW1 | Front | 4–10 kHz |
HW2 | Back | 10–12 kHz | |
HW3 | Front | 13–16 kHz | |
Langendijk and Bronkhorst (2002) [20] | LB | Front/back | 8–16 kHz |