Opus Sounds Directory
Ambient beds

Ocean shore ambience (loop)

Ambient beds · 2026-10-06

Related guide: How to Make Seamless Ambient Loops and Meditation Sounds for Videos and Apps

Claude Opus 5.5

Slow tempoCalmSlow
New
Space
CC0

Prompt

A 24-second seamless shoreline loop: three synthesised waves of different size roll in, build and break, about eight seconds apart. Each one is a noise swell whose low-pass opens as it rises, a feathering hiss along the lip, a bright crash that travels across the stereo field as the wave breaks along the beach, then a shhh of white water running up the sand with crackling foam fizz and hundreds of tiny rising bubble pops, and finally a soft receding backwash. Under them sit a distant surf roar and a light, gusting wind whose whistle drifts in pitch. Far off to the right a bell buoy in Eb rocks on the swell: a bronze bell (hum, prime, minor-third tierce, quint, nominal) whose strikes come in uneven clusters, blurred by distance and wind. The bell strikes at frame 0, the loop top. The noise layers are built as spectral envelopes over a circular overlap-add, and the events are rendered circularly: three identical cycles with tails, reverb and a wrap-mode limiter running across them, keeping the middle one, so the last sample flows straight back into the first with no fade. Only the mono surf rumble sits below 120 Hz.

Metrics

Integrated LUFS
-13.7 LUFS
True peak
-6.9 dBTP
Length
24s · 1,152,000 samples @ 48000 Hz
Target master
-14 LUFS · peak ≤ -1 dBTP
Checks
Passed

Spectrogram

Spectrogram of Ocean shore ambience (loop), a free ambient bed at 24s

Generated code

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Timing & cues

30 fps · seed 152406

  • Frame 0: loop start

Seamless 24 s shore loop. Waves, surf roar and wind are spectral envelopes over a circular overlap-add (exactly 24 s periodic). Bubbles and the Eb bell buoy are placed over three identical cycles (middle kept, wrap-mode limiter). Three waves (breaks at 3.1, 11.0 and 18.7 s) each swell under an opening low-pass, crash across the stereo field, wash up with granular foam fizz and rising bubble pops, then recede. The distant bell strikes on frame 0 (the loop top). Only the mono surf rumble sits below 120 Hz. Verified with --loop.

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