Trunk's Technical Blog
UPDATED: What's next from GoPro Inc.? (2015)
Posted by Mark Kirschenbaum on
We spend a lot of time working on the interoperability between our products and GoPro Cameras. In doing this we uncover some features that may or may not make it into future products. Here are some of the bigger points: Multi Cam The camera's firmware enables multiple GoPro HERO4s to be synchronized (genlocked) to prevent inner-frame latency issues between cameras. This enables bullet-time and 360deg cubes to capture the exact same instant on all cameras. It also simplifies the post operations since...
GoPro HERO4 Session Undocumented
Posted by Mark Kirschenbaum on
GoPro HERO4 Session / Codname: Rocky Point Firmware version: HX1.01.01.00 (Based on GoPro HERO3+ Silver code base ARM/Thumb)Linux/ arm 2.6.38.8 Kernel Processor: Ambarella A7L_BUB (core freq: 156mhz, arm freq: 600mhz, idsp freq: 133mhz) Sensor: On Semi AR0835HS - High speed sensor supporting 8 Mp (4:3) and 6 Mp (16:9) up to 60 fpsFlash: Micron MT29F2G08ABAEA - SLC NAND Flash Parallel 3.3V 2Gbit 256M x 8bitDDR: 2GB, 377Mhz, LPDDR2 Power Management Unit: AMS AS3715 Accelerometer: bma2x2 - Bosch Sensortec MEMS accelerometerA2D: TLV320 - Automotive Catalog Stereo Audio CODEC, 8- to 96 kHz config.gz (Linux version 2.6.38.8) (See Open...
GoPro HERO4 Session for Skydiving
Posted by Mark Kirschenbaum on
(Photo from GoPro Bomb Squad Like them!) Good With its 1.5" cube form-factor and 50% smaller it's great for skydivers worried about snag hazards. The new mounts and one button recording make it a good camera for the weekend warrior. Waterproof without an additional case is great for water based sports. Sleek wrist mount is perfect for Tandem Instructors using hand-cam. Bad The $399 price tag is expensive for its feature set (8MP stills / 1080@60fps - 25Mbps bitrate / Based...
GoPro LED Indicators vs Turned On Explained
Posted by Mark Kirschenbaum on
People have been asking me about a few companies making “GoPro LED Indicators.” In particular products called Cam-do GoPro LED and Pro On GoPro LED. In a nutshell, these products are extremely rudimentary and do not give you any feedback from the camera. These indicators only show that the camera is powered on, nothing else! It does not show: If it’s recording or in standby If it’s in the correct mode or even in the setup mode If the card is...
How to Install your GoPro Permanently
Posted by Mark Kirschenbaum on
This video shows you how to use a GoPro Low Profile Mount to permanently affix your GoPro to your helmet. This is generally recommened for skydiving helmets where you can drill into them, but can be used for other sports. Please use caution.
Below is how the mount looks once installed.