There are a lot of wildlife photographers and videographers, all of whom had extremely costly equipment and lenses, but none of them could match a suitable microphone.
Shotgun microphones are designed to be extremely directional in order to block out sound coming from the sides; however, they do not perform as well as parabolic microphones in terms of amplification and background noise.
Each naturalist recorder carries their own recorder and a parabola in opposite hands. There will be too much equipment to carry while making a movie, and managing a big parabola is typically difficult.
The goal was to design something that would free up your hands so that you could concentrate and begin your film.
Hi-Sound Compact aims to record the inaudible sounds of animals in stunning quality and with little noise.