Tones with precisely documented leading and trailing silence timestamps, direct fixtures for auto-trim tools.
A 440 Hz tone preceded by exactly 1 second of digital silence. A direct fixture for auto-trim tools: the tone should start at 1.000s.
A 440 Hz tone preceded by exactly 3 seconds of digital silence. A direct fixture for auto-trim tools: the tone should start at 3.000s.
A 440 Hz tone preceded by exactly 5 seconds of digital silence. A direct fixture for auto-trim tools: the tone should start at 5.000s.
A 440 Hz tone followed by exactly 1 second of digital silence. The tone should end at 2.0s: a direct fixture for testing trailing-silence trimming.
A 440 Hz tone followed by exactly 3 seconds of digital silence. The tone should end at 2.0s: a direct fixture for testing trailing-silence trimming.
A 440 Hz tone followed by exactly 5 seconds of digital silence. The tone should end at 2.0s: a direct fixture for testing trailing-silence trimming.
Two seconds of true digital silence (all-zero samples): a fixture for testing silence detection, auto-trim thresholds, and noise-floor handling.
440 Hz tone with 0.25s of digital silence in the middle (0.4s + silence + 0.4s). Fixture for mid-gap trim / split tools.
440 Hz tone with 0.75s of digital silence in the middle (0.5s + silence + 0.5s). Fixture for mid-gap trim / split tools.
440 Hz tone with 1.5s of digital silence in the middle (0.4s + silence + 0.4s). Fixture for mid-gap trim / split tools.
440 Hz tone with 0.5s of digital silence in the middle (0.2s + silence + 0.8s). Fixture for mid-gap trim / split tools.
440 Hz tone with 0.5s of digital silence in the middle (0.8s + silence + 0.2s). Fixture for mid-gap trim / split tools.
440 Hz tone with 0.08s of digital silence in the middle (0.35s + silence + 0.35s). Fixture for mid-gap trim / split tools.
