English listening and speaking training device and method
A training device, English technology, applied in earpiece/earphone accessories, instruments, electric-operated teaching aids, etc., can solve the problems of learning difficulty and low cost, and achieve the effect of wide range of use, great difficulty and outstanding effect
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Embodiment 1
[0046] to combine figure 1 , 2 , 3, 10 illustrate, a kind of English listening and speaking training device, its composition comprises: microphone 1, ear pack, described ear pack comprises circular shell 2 and ear-attached sponge 3, the back side of described circular shell 2 is opened There is a central counterbore 4, the hole wall of the central counterbore 4 is fitted with a stopper, the central counterbore 4 is filled with earplugs of earphones, the center counterbore 4 and the ear-attached sponge 3 The sound quality promotion circuit board 5 is installed in the middle, and the lower end of the circular shell 2 is connected to the microphone 1 through the gooseneck 6. The top of the circular shell 2 has an earplug outlet 7, and the circular shell 2 The top of 2 is connected to the bottom end of the inverted Y-shaped connector 8, and the two poles at the bottom of the inverted Y-shaped connector 8 are respectively arranged on both sides of the earplug outlet 7. The top of...
Embodiment 2
[0048] to combine Figure 4 Illustrate, the English listening and speaking training device described in embodiment 1, described sound quality promotion circuit board 5 comprises resistance R1, and one end of described resistance R1 connects voltage end, and the other end of described resistance R1 connects one end of resistance R20 , the other end of the resistor R20 is connected in parallel with one end of the resistor R3 and the No. 1 pin of the microcontroller IC1, and the other end of the resistor R3 is connected in parallel with the capacitor C1 and the sliding rheostat R4;
[0049] The No. 2 pin of the single-chip microcomputer IC1 is connected to one end of the capacitor C3, and the other end of the capacitor C3 is connected in parallel with one end of the sliding rheostat R8 and the resistor R7, and the other end of the sliding rheostat R8 is connected to one end of the capacitor C4. The other end of the capacitor C4 is connected in parallel with one end of the capacit...
Embodiment 3
[0058] to combine image 3 Illustrate, the English listening and speaking training device described in embodiment 1, described stop clip comprises blocking plate 13, and described blocking plate 13 is connected with axle sleeve 14, and described axle sleeve 14 is connected with fixed shaft 15, and described The fixed shaft 15 is installed in the central counterbore 4, and the outside of the fixed shaft 15 is provided with an angle-limiting piece 16, and the angle-limiting piece 16 is used in conjunction with the blocking piece 13.
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