Dolby Digital Plus Test File Repack Jun 2026

Dolby Digital Plus (E-AC-3) test files are primarily distributed through the Dolby Developer Online Delivery Kits

| Element | Description | Duration | | :--- | :--- | :--- | | | Voice saying "Left, Center, Right, Right Surround..." | 30 seconds | | LFE Sweep | 20 Hz to 120 Hz tone to test subwoofer rolloff | 20 seconds | | Waveform Synchronization | Clapper sound with visual cue (for HTPC calibration) | 5 seconds | | Full Bandwidth Pink Noise | Correlated and uncorrelated noise for SPL meter balancing | 60 seconds | | Dialogue Norm Test | -31 dBFS dialogue to test dynamic range compression (DRC) | 15 seconds | dolby digital plus test file repack