| 摘要 |
<p>A programmable electro acoustic sheatfish call (1) for fishing from a bank or a boat consists of a waterproof float (2); an acoustic effect player (4) with an acoustic carrier, a processor (6), a supply (8), an acoustic carrier (5), a waterproof programme selector (7), a control lamp (13) and a waterproof speaker (3), which is situated inside the said player. The waterproof speaker (3) is situated in a float axis across a water surface (H) and down oriented to form acoustic effects under water, wherein the acoustic effect of well-used wooden sheatfish calls are pre-recorded to the effect carrier (5) of the acoustic effect player (4).</p> |
