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channel-optimizer

@TobiasWooldridge/WaveCap-SDR
0
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Auto-tune channel parameters to find optimal offset, squelch, and AGC settings for best audio quality. Use when setting up new channels, improving weak signals, or finding the sweet spot for demodulation settings.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name channel-optimizer
description Auto-tune channel parameters to find optimal offset, squelch, and AGC settings for best audio quality. Use when setting up new channels, improving weak signals, or finding the sweet spot for demodulation settings.

Channel Optimizer for WaveCap-SDR

This skill automatically finds optimal channel parameters by testing combinations and measuring audio quality.

When to Use This Skill

Use this skill when:

  • Setting up channels for new frequencies
  • Audio quality is poor but signal is present
  • Need to find exact frequency offset
  • Tuning squelch threshold
  • Optimizing AGC parameters
  • Finding best demodulation settings

How It Works

The optimizer:

  1. Creates test channel with initial parameters
  2. Captures audio samples
  3. Measures quality metrics (RMS, SNR, distortion)
  4. Adjusts parameters (offset, squelch, AGC)
  5. Repeats until optimal settings found

Usage

Optimize channel offset:

PYTHONPATH=backend backend/.venv/bin/python .claude/skills/channel-optimizer/optimize_channel.py \
  --capture cap_abc123 \
  --frequency 90.3e6 \
  --optimize offset \
  --port 8087

Optimize squelch:

PYTHONPATH=backend backend/.venv/bin/python .claude/skills/channel-optimizer/optimize_channel.py \
  --capture cap_abc123 \
  --offset 0 \
  --optimize squelch \
  --port 8087

Parameters:

  • --capture: Capture ID
  • --frequency: Target frequency (Hz)
  • --offset: Initial offset (Hz)
  • --optimize: What to optimize (offset, squelch, agc)
  • --port: Server port

Optimization Strategies

Offset Optimization

Search range ±10 kHz around initial offset

  • Test offsets: -10k, -5k, 0, +5k, +10k
  • Measure RMS level for each
  • Select offset with highest RMS

Squelch Optimization

Find threshold that:

  • Opens for signal
  • Closes for noise
  • Minimizes false triggers

AGC Optimization

Find attack/release/target that:

  • Maintains consistent output level
  • Minimizes pumping artifacts
  • Preserves dynamics

Files in This Skill

  • SKILL.md: This file
  • optimize_channel.py: Channel optimization script