No, HERO3+ cameras (Black and Silver Editions) do not check for an audio bit in the Extended Display Identification Data.
No, HERO3+ cameras do not support PTP protocol.
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
When taking a video recording with HERO3+, the camera will automatically segment into a new file chapter once it has reached approximately 3.9 GB (Black Edition) or 2.2 GB (Silver Edition) in size. These files when put together with editing software will play seamlessly as if they were never chaptered, and when played back from the camera directly will also play through as one continuation. When the camera has the Looping video feature enabled, the files will chapter at 1-minute intervals when Looping is set to 5-minutes, and files will chapter...
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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...
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No, High-bandwidth Digital Content Protection (HDCP) is not enabled for HERO3+ cameras.
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)