v1.9
What's new in 1.9
- File info panel — a toolbar button shows the source file's codec, sample rate, channels, bit depth, bitrate, duration, and size.
- Markers / annotations — drop labelled markers on the time axis (press M or use the Markers popover), then rename or delete them.
- Horizontal time zoom — stretch the spectrogram along the time axis with + / − (or the zoom controls); the frequency axis stays pinned on the left while the plot scrolls.
- Keyboard shortcuts — Space play/pause, ← / → seek ±5 s, + / − zoom, M add marker.
- Recent files — File → Open Recent reopens recently analyzed files across launches.
- License — the project is now released under the PolyForm Noncommercial License 1.0.0.
Install
Download SimpleSpectr-1.9-macos.zip, unzip, and move SimpleSpectr.app to /Applications. The app is unsigned, so on first launch right-click → Open, or run:
```sh
xattr -dr com.apple.quarantine /Applications/SimpleSpectr.app
```