Loudness Ladder — Silent (440 Hz)
1 s 440 Hz tone at linear amplitude 0.0 (digital silence) — rung on the Wave E loudness ladder.
Audio loudness and peak fixtures
Documented loudness ladders, clipped vs clean twins, and sample-rate conversion sets for loudness meters and normalizers.
20 of 20 files
Loudness Ladder — Very Quiet (440 Hz)
1 s 440 Hz tone at linear amplitude 0.02 (~-34.0 dBFS peak) — rung on the Wave E loudness ladder.
Loudness Ladder — Quiet (440 Hz)
1 s 440 Hz tone at linear amplitude 0.05 (~-26.0 dBFS peak) — rung on the Wave E loudness ladder.
Loudness Ladder — Moderate (440 Hz)
1 s 440 Hz tone at linear amplitude 0.15 (~-16.5 dBFS peak) — rung on the Wave E loudness ladder.
Loudness Ladder — Nominal (440 Hz)
1 s 440 Hz tone at linear amplitude 0.35 (~-9.1 dBFS peak) — rung on the Wave E loudness ladder.
Loudness Ladder — Loud (440 Hz)
1 s 440 Hz tone at linear amplitude 0.55 (~-5.2 dBFS peak) — rung on the Wave E loudness ladder.
Loudness Ladder — Very Loud (440 Hz)
1 s 440 Hz tone at linear amplitude 0.75 (~-2.5 dBFS peak) — rung on the Wave E loudness ladder.
Loudness Ladder — Near Fs (440 Hz)
1 s 440 Hz tone at linear amplitude 0.95 (~-0.45 dBFS peak) — rung on the Wave E loudness ladder.
Peak-Clip Pair 01 — Clean (220 Hz)
Clean 220 Hz tone (amp 0.45) — reference twin for the hard-clipped pair.
Peak-Clip Pair 01 — Clipped (220 Hz)
Hard-clipped twin of the 220 Hz tone (×3.2 then clip to ±1) for peak/limiter tests.
Peak-Clip Pair 02 — Clean (440 Hz)
Clean 440 Hz tone (amp 0.45) — reference twin for the hard-clipped pair.
Peak-Clip Pair 02 — Clipped (440 Hz)
Hard-clipped twin of the 440 Hz tone (×3.2 then clip to ±1) for peak/limiter tests.
Peak-Clip Pair 03 — Clean (880 Hz)
Clean 880 Hz tone (amp 0.45) — reference twin for the hard-clipped pair.
Peak-Clip Pair 03 — Clipped (880 Hz)
Hard-clipped twin of the 880 Hz tone (×3.2 then clip to ±1) for peak/limiter tests.
Peak-Clip Pair 04 — Clean (660 Hz)
Clean 660 Hz tone (amp 0.45) — reference twin for the hard-clipped pair.
Peak-Clip Pair 04 — Clipped (660 Hz)
Hard-clipped twin of the 660 Hz tone (×3.2 then clip to ±1) for peak/limiter tests.
Peak-Clip Pair 05 — Clean (330 Hz)
Clean 330 Hz tone (amp 0.45) — reference twin for the hard-clipped pair.
Peak-Clip Pair 05 — Clipped (330 Hz)
Hard-clipped twin of the 330 Hz tone (×3.2 then clip to ±1) for peak/limiter tests.
Peak-Clip Pair 06 — Clean (550 Hz)
Clean 550 Hz tone (amp 0.45) — reference twin for the hard-clipped pair.
Peak-Clip Pair 06 — Clipped (550 Hz)
Hard-clipped twin of the 550 Hz tone (×3.2 then clip to ±1) for peak/limiter tests.