| # Preprocessing reference | |
| The ONNX model starts at a normalized mono spectrogram tensor with shape `[1, 1, 128, 256]`. It | |
| does not accept raw audio. | |
| The Python files under [`upstream/`](upstream/) are an unchanged copy of BatDetect2's complete | |
| `src/batdetect2/preprocess` package at revision | |
| `9e2697458d3b3b03c30ccd7e49ed5409c8ac330d`. [View the same pinned directory upstream](https://github.com/macaodha/batdetect2/tree/9e2697458d3b3b03c30ccd7e49ed5409c8ac330d/src/batdetect2/preprocess). | |
| These files depend on the rest of the BatDetect2 package. Use `scripts/fetch-upstream.sh` to | |
| retrieve the complete pinned checkout, or the locked environment in `environment/` when | |
| rebuilding the export. The reference copy remains subject to CC BY-NC 4.0. | |