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[feat](trx-frontend-http): add auto-squelch button to Audio panel

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Add an "Auto" button next to the SQL slider that sets the squelch
threshold to the current noise floor (estimated from spectrum bins)
plus a 6 dB margin. Uses the existing estimateNoiseFloorDb() heuristic.

https://claude.ai/code/session_01TDQyrZiPKfWGATVWPsLmHT
Signed-off-by: Claude <noreply@anthropic.com>
This commit is contained in:
Claude
2026-03-27 01:15:04 +00:00
committed by Stan Grams
parent 5d6b9a4d94
commit 2d8dfb1a3d
3 changed files with 33 additions and 1 deletions
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src/trx-client/trx-frontend/trx-frontend-http/assets/web/index.html
+1 -1
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@@ -374,7 +374,7 @@
<button id="tx-audio-btn" type="button">Transmit Audio</button>
<label class="vol-label">RX<input type="range" id="rx-vol" min="0" max="100" value="80" class="vol-slider" /><small class="vol-pct" id="rx-vol-pct">80%</small></label>
<label class="vol-label">TX<input type="range" id="tx-vol" min="0" max="100" value="80" class="vol-slider" /><small class="vol-pct" id="tx-vol-pct">80%</small></label>
<label class="vol-label" id="sdr-squelch-wrap" style="display:none;">SQL<input type="range" id="sdr-squelch" min="0" max="100" value="0" class="vol-slider" /><small class="vol-pct" id="sdr-squelch-pct">Open</small></label>
<label class="vol-label" id="sdr-squelch-wrap" style="display:none;">SQL<input type="range" id="sdr-squelch" min="0" max="100" value="0" class="vol-slider" /><small class="vol-pct" id="sdr-squelch-pct">Open</small><button id="sdr-squelch-auto" type="button" class="sql-auto-btn" title="Set squelch to current noise level">Auto</button></label>
<div id="audio-level">
<div id="audio-level-fill"></div>
</div>