Add frequency axis in review tab#946
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Josef-Haupt merged 1 commit intoJul 6, 2026
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Pull request overview
Adds an option to display a frequency (y-axis) scale on generated spectrogram figures and enables it in the GUI review tab, so reviewers can interpret spectrograms with an explicit frequency reference.
Changes:
- Introduced a
show_freq_axisflag to spectrogram generation utilities and propagated it from file-based to audio-based rendering. - Updated spectrogram rendering to optionally show a linear frequency axis with kHz tick formatting and labels.
- Enabled the frequency axis for spectrograms displayed in the review tab.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
birdnet_analyzer/utils.py |
Adds show_freq_axis support and updates spectrogram plotting to optionally render a frequency y-axis. |
birdnet_analyzer/gui/review.py |
Turns on show_freq_axis for spectrograms shown in the review workflow UI. |
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| matplotlib.ticker.FuncFormatter(lambda x, _: f"{x / 1000:g}") | ||
| ) | ||
| ax.set_ylabel("Frequency (kHz)") | ||
| f.tight_layout(pad=.5) |
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| import matplotlib.pyplot as plt | ||
| import matplotlib.ticker | ||
| import numpy as np | ||
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| matplotlib.use("agg") |
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