How to collect sound in dual-camera shooting

The method for shooting and collecting sound with dual cameras is as follows:

1, AB dual-camera recording can be performed when shooting, that is, pickup system-recorder, pickup system-recorder-camera.

2. You can use a portable tape recorder, which involves picking up multi-channel ambient sound with a high number of channels.

3, stereo can use Sennheiser vrmic or cheaper Rhodes ntsf 1.