Auto Gain Control makes far-field sound and sound when the camera is inside waterproof housing, usable. The range of gain is 0-40 dB.
The HERO3+ battery is a rechargeable lithium-ion battery and is rated at 1180 mAH, 3.7V, and 4366mWh.
We do not have any official extreme temperature ratings for the camera. In colder temperatures the main concern is reduced battery life. The camera does generate heat during operation to help keep the battery pack from getting too cold and therefore helps to minimize the reduction in run times. The camera may shut down if the internal temperature reaches 82° Celsius (180° Fahrenheit).
What is the reserved power bias for external mics?The reserved power bias for external mics is 3.3v. What's the impedance of the external mic?GoPro mic input impedance is 2.2 Ohms, any mic that has impedance that's close to 2.2 Ohms should be OK Is the external mic connection balanced or unbalanced?Unbalanced
Each of the HERO3+ cameras come in a protective waterproof case that is capable of withstanding depths of up to 131 ft. (40 meters). If you are using the HERO3 Dive Housing with the BacPac Backdoor, the depth rating is 32 ft. (10 meters). Before taking the unit in the water you'll want to be sure to verify that there is no dirt or debris along the white rubber gasket that could compromise the integrity of the waterproof case. To ensure that the camera is fully sealed, push the housing backdoor...
Read More »
No, High-bandwidth Digital Content Protection (HDCP) is not enabled for HERO3+ cameras.
The holes on the side and top of the HERO3+ Black Edition and Silver Edition cameras are microphones.
This article contains information on minimum and maximum shutter speed. Minimum shutter speed: 1/8192 sMaximum shutter speed: Photo = 1/2 s, Video = 1/(frame rate)
What Compression does HERO3+ Video Playback and Live Preview use when Sent Over HDMI? For live feed, HERO3 cameras output uncompressed video over HDMI output. For video playback, video is stored compressed on camera but upon playback video is uncompressed and output over HDMI. How Much Latency is there in HDMI Live Preview from the HERO3+ Camera? You will generally see about a 2-3 second delay when using HDMI live preview. What's the color space of the HDMI output (i.e. RGB)? The color space of the HDMI output is...
Read More »
This applies to a camera with a battery, not in a Waterproof Housing. Facing the camera the center of gravity is 30.02mm from the left edge, 6.96mm from the front plate.