1.3 — Ac3 Lite

| Feature | Ac3 Lite 1.3 | Full AC3Filter | LAV Audio Decoder | FFDShow Audio | | :--- | :--- | :--- | :--- | :--- | | | ~300 KB | ~3 MB | ~2 MB (in LAV pack) | ~15 MB | | RAM Usage | 1.8 MB | 6 MB | 9 MB | 15 MB | | Downmixing Control | Basic (None/Stereo) | Full matrix | Advanced | Advanced | | SPDIF Passthrough | No | Yes | Yes | Yes | | DRC (Dynamic Range) | No | Yes | Yes | Yes | | 64-bit Support | Unofficial (builds exist) | Unofficial | Yes | Yes | | CPU Usage (P4 2.0 GHz) | 2% | 6% | 11% | 14% |

Setting Resolution to lower values (e.g., 640x400) and disabling high-demand effects like PostFX or Hair can significantly boost performance for "Lite" setups. Ac3 Lite 1.3

To understand the value of Ac3 Lite 1.3, let's compare it head-to-head with other decoders: | Feature | Ac3 Lite 1