

Summary
Demo creative for Calma, a fictional headphone brand. Press and hold to hear a busy street, generated live in the browser, then let go and noise cancelling fades it to silence. On its own, the banner plays silently.
Why It works
Noise cancelling is hard to describe and easy to feel. Letting people hear the difference in two seconds proves the product’s one big claim, and the sound needs no media files, so the ad stays light.
Enterprise DSPs without the enterprise minimums. Managed and self-serve access to DV360, The Trade Desk, Amazon DSP, Walmart DSP and Adform.
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