Built-in microphone refers to the microphone, set in a digital video camera for shooting the tape. As video and audio recording system, digital video camera microphone, of course, cannot careless. For consumer digital camera, a lot of microphones are installed in the body, it can save space, are the benefits of real implementation of the concept of consumer digital camera is convenient, but in this way, built-in microphone may record the rotation of the machine at the time of the recording sound, the noise is easy to distinguish in post-production, is difficult to separate and remove.

       To solve the noise problem, has the following several ways:

      Select the recording powerful digital video camera. In many digital video camera, built-in microphone at most for panasonic models. Panasonic's built-in wide-area radio microphone, in a telephoto lens, during the filming of a distant figure close out all over the character's voice, and panasonic camcorders are plus Zoom function of Mic, can with the Zoom lens, narrow radio range, reduce the noise, the equipment is simple and practical. Radio aspect also have Wind Cut function, can reduce the noise caused by Wind is too large.

       As for Canon, SONY and JVC, digital cameras, although the microphone with panasonic on radio performance, there is no big difference, but also relatively little, a lot of special function. Digital camera, the above mentioned can be configured in addition to a zoom microphone, its function and panasonic's built-in microphone, external microphone has a little benefits, is the ability to avoid recorded voice rotating machine, external wheat on the isolation layer wind, also can reduce the air flow through the sound. And for sx in professional digital video camera, usually used are external microphone.