Mini DV and DVC are interchangeable terms to refer to the same type of cassette format. DV is the term used to refer to the entire family of tape formats released by Sony and Panasonic in 1995. The DV format stores digital video, unlike analog VHS tapes. Mini DV are smaller versions of large DV tapes, like VHS-C being a smaller version of standard VHS tapes. This made it easier to film home movies using a Mini DV camcorder than it would be using a full-size camcorder using bulky VHS tapes.
DVCAM is the professional version of DV and refers to a type of information format imprinted on the tape, whereas Mini DV and DVC refer to the cassette and physical tape itself. Therefore, when you want to convert DVCAM to digital, you typically still use a Mini DV cassette to do so.
In addition, Mini DV tapes offer vibrant color and resolution that is unavailable on VHS, compact VHS-C, and Betamax tapes. Despite the developments and benefits, the release of the DVD player and HDMI connections ended the era of cassettes, which is why it’s so important to convert DV to digital to preserve the memories contained on your cherished videotapes.