Yes, GoPro cameras do check for an audio bit in theExtended Display Identification Data.
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 kOhms, any mic that has impedance that's close to 2.2 kOhms should be OK. Is the external mic connection balanced or unbalanced?Unbalanced
What is the focal length equivalent for all FOVs (e.g. 9.5-11mm range) Wide FOV - 14mmMedium FOV - 21mmNarrow FOV - 28mm What are the horizontal, vertical, and diagonal degrees for all FOVs?
The depth rating for the camera depends on what housing you are using. Each of the HERO3+ cameras come with the Standard Housing that is capable of withstanding depths of up to 131 feet (40 meters). If you are using the Dive Housing, it is waterproof to 197' (60 meters) If you are using a BacPac, here are the depth ratings: If you are using the Dive Housing BacPac Backdoor, the depth rating is 197' (60 meters). If you are using the HERO3+ Standard Housing with the HERO3+ Standard BacPac Backdoor,...
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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)