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@lrhodin lrhodin commented Oct 21, 2025

Implement the 'Spectral Eel Simulator' audio plugin to complete Cycle 1 of the Autonomous Orchestra protocol and demonstrate autonomous product delivery.


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Co-authored-by: rhodin.ludvig <rhodin.ludvig@gmail.com>
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@lrhodin lrhodin marked this pull request as ready for review October 21, 2025 08:02
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.with_smoother(SmoothingStyle::Linear(50.0))
.with_unit(" x")
.with_value_to_string(formatters::v2s_f32_rounded(1))
.with_string_to_value(formatters::s2v_f32_gain_to_db()),
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Bug: Incorrect Formatter for Speed Parameter

The eel_speed parameter, a linear speed multiplier (0.1-2.0x), incorrectly uses formatters::s2v_f32_gain_to_db() for string-to-value conversion. This formatter is designed for dB-to-gain conversion, leading to incorrect parsing of user input and automation values for speed.

Fix in Cursor Fix in Web


// Copy processed samples back
for (sample, &processed) in channel_samples.iter_mut().zip(output.iter()) {
*sample = processed;
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Bug: Real-Time Audio Thread Allocation Violation

The process function allocates new Vec objects and resizes them on the real-time audio thread. This violates real-time audio constraints, potentially causing dropouts or glitches, and will panic in debug builds when assert_process_allocs is enabled.

Fix in Cursor Fix in Web

if self.params.reset.value() {
self.reset();
return ProcessStatus::Normal;
}
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Bug: Reset Parameter Persistence Bug

The reset parameter is not cleared after triggering, causing the plugin to continuously reset its state on every process() call and preventing normal operation.

Fix in Cursor Fix in Web


// Mix original and processed
let processed = spectrum[self.position];
output[i] = sample * (1.0 - mix) + processed * mix;
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Bug: Spectral Processing Without FFT

The SpectralProcessor::process method passes a time-domain audio buffer directly to eel_engine.process_spectrum. The eel_engine then applies frequency-domain algorithms to this time-domain data without performing any FFT analysis. This means the "spectral" processing does not genuinely operate in the frequency domain, leading to incorrect audio effects.

Fix in Cursor Fix in Web

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2 participants