There are very few microphones existing in the world that can withstand the extreme cold, moisture and wind inherent in Antarctica’s harsh environment and documentary maker Nerio Gutierrez (Playground Estudio) knows DPA is arguably the best. Last year, he and his team spent six weeks aboard the Spanish Navy’s scientific vessel, Hesperides, recording the sounds of penguin colonies, whales, zodiacs and various other marine life both on and offshore, for his film Antarctica: A Message from the Frozen Planet.