majiayu000/claude-arsenal
xiaohongshu
xiaohongshu
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Channel Optimizer for WaveCap-SDR
channel-optimizer
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.
SKILL.md
Full skill instructions
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:
- Creates test channel with initial parameters
- Captures audio samples
- Measures quality metrics (RMS, SNR, distortion)
- Adjusts parameters (offset, squelch, AGC)
- 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 fileoptimize_channel.py: Channel optimization script
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