GoPro Inc ormerly Woodman Labs, Inc is an American manufacturer of action cameras, often used in extreme-action videogrphy.
In September 2014 GoPro announced the HERO4, available in Black Edition and Silver Edition, which replace their respective HERO3+ generation predecessors. The Hero, a budget camera, was also announced.
The HERO4 Black Edition still has a 12mp CMOS and a f/2.8 fixed maximum aperture and focus free. It adds Bluetooth connectivity, Highlight tag, Protune Available for photo and a new processor claimed by GoPro to be twice as fast as that of the HERO3+ Black Edition, doubling the frame rates in most resolutions.The HERO4 Black Edition can record 4K video at a frame rate of 24, 25 and 30 fps.In Superview mode, 4k is only possible at 25 fps. Many other rates and resolutions are available. The HERO4 Black Edition still shoots stills at a maximum of 12MP with a maximum burst rate of 30 fps. With Wi-Fi disabled at 4k/30, GoPro claims the HERO4 Black Edition battery life to be 65 minutes, increasing to a maximum of 1h 50′ at 720p/240.The HERO4 Black battery is in a different form factor than its predecessors. Initial side-by-side comparisons of HERO3+ and HERO4 Black edition video results suggest that the newer model has more detail at long range, and similar performance at close range.
The HERO4 Silver Edition is basically a HERO3 Black Edition with the addition of a micro speaker, built in touch screen display, Protune for photo & highlight tag the first GoPro with this, a lower clocked Cortex-A9 and missing the Black Editions integrated analog-to-digital converter which supports a wider variety of professional low-sensitivity external mics.The video modes supported by the HERO4 Silver Edition are similar to those of the HERO3+ Black, due to the higher processing speed and thermal requirements of 4K video (3840×2160), but it supports Wi-Fi, Bluetooth and contains the same Ambarella Inc. A9 SoC as in the HERO4 Black. Hero 4 Silver known as the simplest GoPro of all time.
The HERO4 Session, released July 6, 2015, is 50% smaller and 40% lighter comparing to other versions of the GHERO4 camera.
The HERO4 models maintains the H.264 video codec of previous versions and MP4 file formats. claims the mono microphone in both the Black and Silver Editions have twice the dynamic range of the HERO3+, and that the
The HERO4 Black and Silver Editions have improved low light performance.