In goldwave, there is a "?" On the leftmost side of two channels of a dual-channel file. , unchecked operations will not affect the channel. With this, you can make 3D sound effects.

1, open the material in jinbo (if it is mono music, open the material in jinbo → copy, and then create a new two-channel audio file → paste → delete the redundant part. Then proceed to the next step in the newly created audio file);

2. According to your own ideas, choose the interval to be scored in the first paragraph;

3. Uncheck a channel and add a fade-in (or fade-in) effect to the selected audio volume;

4. Keep the selected interval unchanged, deselect another channel (that is, the channel that has just been processed), check the channel that has just been cancelled, and then add a fade-in (or fade-out) effect to the selected volume;

5. Take the end of this interval as the beginning of the next interval, select the next interval, and repeat step 3.

Pure hands, please adopt.