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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.

File: WAV · Peak Clip · 16000
Use case: Loudness / LUFSAudio analysis· Paired fixture

Peak-Clip Pair 05 — Clean (330 Hz)

Clean 330 Hz tone (amp 0.45) — reference twin for the hard-clipped pair.

File: WAV · Peak Clip · 16000
Use case: Loudness / LUFSAudio analysis· Paired fixture

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.

File: WAV · Peak Clip · 16000
Use case: Loudness / LUFSAudio analysis· Paired fixture

Peak-Clip Pair 06 — Clean (550 Hz)

Clean 550 Hz tone (amp 0.45) — reference twin for the hard-clipped pair.

File: WAV · Peak Clip · 16000
Use case: Loudness / LUFSAudio analysis· Paired fixture

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.

File: WAV · Peak Clip · 16000
Use case: Loudness / LUFSAudio analysis· Paired fixture

Pink Noise

Three seconds of pink noise with a 1/f power spectrum — the standard reference for loudness and room-calibration testing.

File: WAV · Reference Tones · 3 s
Use case: Audio analysis

Quiet Audio Needing Normalization

A very quiet modulated tone (~peak 0.04) for testing loudness normalization and gain staging.

File: WAV · Signals · 1.5 s
Use case: Audio analysis

Sample-Rate Set — 440 Hz @ 16000 Hz

Same 440 Hz tone rendered at 16000 Hz sample rate — twin in the 8k/16k/44.1k set.

File: WAV · Sample Rate Set · 0.6 s
Use case: Audio analysisConversion testing· Conversion set

Sample-Rate Set — 440 Hz @ 44100 Hz

Same 440 Hz tone rendered at 44100 Hz sample rate — twin in the 8k/16k/44.1k set.

File: WAV · Sample Rate Set · 0.6 s
Use case: Audio analysisConversion testing· Conversion set

Sample-Rate Set — 440 Hz @ 8000 Hz

Same 440 Hz tone rendered at 8000 Hz sample rate — twin in the 8k/16k/44.1k set.

File: WAV · Sample Rate Set · 0.6 s
Use case: Audio analysisConversion testing· Conversion set

Sample-Rate Set — 880 Hz @ 16000 Hz

880 Hz tone at 16000 Hz — second ladder for resampling QA.

File: WAV · Sample Rate Set · 0.5 s
Use case: Audio analysisConversion testing· Conversion set

Sample-Rate Set — 880 Hz @ 44100 Hz

880 Hz tone at 44100 Hz — second ladder for resampling QA.

File: WAV · Sample Rate Set · 0.5 s
Use case: Audio analysisConversion testing· Conversion set

Sample-Rate Set — 880 Hz @ 8000 Hz

880 Hz tone at 8000 Hz — second ladder for resampling QA.

File: WAV · Sample Rate Set · 0.5 s
Use case: Audio analysisConversion testing· Conversion set

Silence-in-Middle — Asym Lead

440 Hz tone with 0.5s of digital silence in the middle (0.2s + silence + 0.8s). Fixture for mid-gap trim / split tools.

File: WAV · Silence Middle · 16000
Use case: Auto-trim testingAudio analysis· Conversion set

Silence-in-Middle — Asym Trail

440 Hz tone with 0.5s of digital silence in the middle (0.8s + silence + 0.2s). Fixture for mid-gap trim / split tools.

File: WAV · Silence Middle · 16000
Use case: Auto-trim testingAudio analysis· Conversion set

Silence-in-Middle — Long Gap

440 Hz tone with 1.5s of digital silence in the middle (0.4s + silence + 0.4s). Fixture for mid-gap trim / split tools.

File: WAV · Silence Middle · 16000
Use case: Auto-trim testingAudio analysis· Conversion set

Silence-in-Middle — Medium Gap

440 Hz tone with 0.75s of digital silence in the middle (0.5s + silence + 0.5s). Fixture for mid-gap trim / split tools.

File: WAV · Silence Middle · 16000
Use case: Auto-trim testingAudio analysis· Conversion set

Silence-in-Middle — Short Gap

440 Hz tone with 0.25s of digital silence in the middle (0.4s + silence + 0.4s). Fixture for mid-gap trim / split tools.

File: WAV · Silence Middle · 16000
Use case: Auto-trim testingAudio analysis· Conversion set

Silence-in-Middle — Tiny Gap

440 Hz tone with 0.08s of digital silence in the middle (0.35s + silence + 0.35s). Fixture for mid-gap trim / split tools.

File: WAV · Silence Middle · 16000
Use case: Auto-trim testingAudio analysis· Conversion set

Stereo Channel Imbalance (440 Hz)

A 440 Hz stereo tone with a loud left channel and a near-silent right channel — for balance and mono-mix testing.

File: WAV · Signals · 1 s
Use case: Audio analysis

Stereo Channel Map — L 440 Hz / R 880 Hz (WAV)

A stereo WAV with a distinct tone in each channel — 440 Hz on the left, 880 Hz on the right — so you can verify channel mapping, panning, and L/R routing unambiguously.

File: WAV · Channels · 3 s
Use case: Audio analysis

Stereo/Mono Twin 01 — Mono (440 Hz)

Mono 440 Hz twin — pair with the stereo file for channel-count / downmix tests.

File: WAV · Stereo Mono · 16000
Use case: Audio analysisConversion testing· Paired fixture

Stereo/Mono Twin 01 — Stereo (440 Hz)

Stereo twin of the 440 Hz tone (L=mono, R=phase-shifted) for stereo↔mono conversion tests.

File: WAV · Stereo Mono · 16000
Use case: Audio analysisConversion testing· Paired fixture

Stereo/Mono Twin 02 — Mono (523 Hz)

Mono 523 Hz twin — pair with the stereo file for channel-count / downmix tests.

File: WAV · Stereo Mono · 16000
Use case: Audio analysisConversion testing· Paired fixture