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Mattia Cellotto Captures Ultrasonic Library With JoeCo’s Cello Interface

Sound designer and field recordist utilizes interface offering analog front end with 22 inputs and 4 outputs for the sounds of bats, birds and monkeys.

By PSW Staff April 15, 2019

JoeCo's Cello interface

In pursuit of original and exciting material, sound designer and field recordist Mattia Cellotto is producing a library of sounds containing frequencies typically undetectable by the human ear. This includes capturing the squeaks, chirps and hoots of bats, birds and monkeys to name a few, all captured with JoeCo’s Cello interface.

Based in the UK, Cellotto works for Criterion Games on projects including Battlefield V and Star Wars Battlefront II. He is also a freelance field recordist, currently working on the second chapter of his Animal Hyperrealism sounds collection and this is where JoeCo’s Cello has demonstrated its “exciting capabilities.”

The library encompasses the vocalizations of a plethora of wildlife, varying from the sweet and fluffy to apex predators: fruit bats, lemurs, leopards and birds such as parakeets and owls, which Cellotto says are particularly interesting due to their unique ultrasonic potential. Dealing with sounds that transcend the human auditory range obviously posed challenges, and finding a suitable audio solution was no easy feat.

Cellotto explains how he arrived at JoeCo’s Cello: “I was looking for an analogue to digital converter that would sample at 384 kHz, so I could record up to 192 kHz, which sounded pretty fun. I could find a few, but they didn’t feature preamps, so I’d have needed an external one and that seemed like an expensive and cumbersome option. Suddenly, I found this UK company located 90 minutes from me and their products have the capabilities I needed, whilst being affordable. It was JoeCo of course.”

The Cello was used for Animal Hyperrealism Vol II with the most recent project involving Cellotto recording fruit bat pups roosting in a cave: “I used the Cello alongside mics that are specifically designed to capture ultrasonic sound up to 200 kHz. I connect it to a Fusion 5 tablet and record everything at 384 kHz with Reaper and that’s pretty much it.”

The Cello has allowed Cellotto to stretch the limits of recording and was the only product of its kind: “For me, there’s one thing about the Cello that is very objective. It’s the only piece of equipment that acts as a preamp and ADC at a price that you would normally pay for either of the two things (featuring 384 kHz recording). It’s a first. There are mics out there that can do interesting things but are currently limited by preamps or more often ADCs. It’s pioneering and it gives me an edge.”

JoeCo

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