Audio control
Most camcorders capture 12- and 16-bit audio with a built-in microphone. Look for a camera with a front-mounted, directional microphone, because they capture the sound they're pointed at most effectively. Almost all camcorders have a minijack for plugging in an external microphone, but if you're going to use that option often, look for a camera with an accessory shoe that accepts external mics. A headphone jack is also helpful when audio quality is critical, since it will allow you to listen to the audio that's being captured by the camera. Advanced videographers who want to use high-quality external microphones should look for a camera with audio level controls and XLR compatibility (usually available through an optional or third-party adapter).