scbe-audio-intent

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UpdatedJune 15, 2026 at 03:36

Encode and decode intent values as phase-modulated audio waveforms using FFT-based demodulation. Use when working with the audio intent layer, phase encoding/recovery, or the symphonic cipher carrier signal.

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Source

issdandavis

issdandavis/SCBE-AETHERMOORE

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Related occupationsSOC

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Software DevelopersComputer and Mathematical Occupations·SOC 15-1252

SKILL.md

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name	scbe-audio-intent
description	Encode and decode intent values as phase-modulated audio waveforms using FFT-based demodulation. Use when working with the audio intent layer, phase encoding/recovery, or the symphonic cipher carrier signal.

SCBE Audio Intent

Use this skill for phase-modulated intent encoding and decoding in the SCBE-AETHERMOORE audio layer.

Core Mechanism

Intent values ∈ [0, 1] are encoded as phase offsets on a carrier frequency, then recovered via FFT peak analysis.

Encoding (Phase Modulation)

wave(t) = cos(2π · f_carrier · t + 2π · intent) + noise

f_carrier = 440 Hz (A4)
Sample rate = 44100 Hz
Duration = 0.5 seconds
Gaussian noise σ = 0.1 added for transmission simulation

Decoding (FFT Demodulation)

Compute FFT of received waveform.
Find peak index in positive-frequency half.
Extract phase angle at peak: angle(FFT[peak_idx]).
Normalize: intent_recovered = (phase mod 2π) / 2π.

Audio Constants

Name	Value	Purpose
CARRIER_FREQ	440.0	Base carrier (Hz)
SAMPLE_RATE	44100	Samples per second
DURATION	0.5	Waveform length (sec)

Workflow

Accept intent value ∈ [0, 1].
Generate time vector: linspace(0, DURATION, SAMPLE_RATE * DURATION).
Produce carrier with phase offset: cos(2π·440·t + 2π·intent).
Add Gaussian noise.
To recover: FFT → peak detection → phase extraction → normalize.

Accuracy Considerations

Phase recovery is approximate due to noise and FFT bin resolution.
For governance decisions, the recovered intent is compared against known target (e.g., 0.75) with tolerance ±0.1.
Higher sample rates or longer durations improve phase resolution.

Integration Points

The recovered intent feeds into the coherence check in governance_9d.
Coherence is HIGH (0.95) when |intent - 0.75| < 0.1, LOW (0.4) otherwise.
The audio layer provides a physical-channel encoding for the v2 (Intent Phase) component.

Guardrails

Intent must be clamped to [0, 1] before encoding.
Only use positive-frequency half of FFT for peak detection.
Phase normalization must use modulo 2π before dividing.
Noise level (σ=0.1) is fixed for reproducibility; do not increase without testing recovery accuracy.

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name	scbe-audio-intent
description	Encode and decode intent values as phase-modulated audio waveforms using FFT-based demodulation. Use when working with the audio intent layer, phase encoding/recovery, or the symphonic cipher carrier signal.

SCBE Audio Intent

Use this skill for phase-modulated intent encoding and decoding in the SCBE-AETHERMOORE audio layer.

Core Mechanism

Intent values ∈ [0, 1] are encoded as phase offsets on a carrier frequency, then recovered via FFT peak analysis.

Encoding (Phase Modulation)

wave(t) = cos(2π · f_carrier · t + 2π · intent) + noise

f_carrier = 440 Hz (A4)
Sample rate = 44100 Hz
Duration = 0.5 seconds
Gaussian noise σ = 0.1 added for transmission simulation

Decoding (FFT Demodulation)

Compute FFT of received waveform.
Find peak index in positive-frequency half.
Extract phase angle at peak: angle(FFT[peak_idx]).
Normalize: intent_recovered = (phase mod 2π) / 2π.

Audio Constants

Name	Value	Purpose
CARRIER_FREQ	440.0	Base carrier (Hz)
SAMPLE_RATE	44100	Samples per second
DURATION	0.5	Waveform length (sec)

Workflow

Accept intent value ∈ [0, 1].
Generate time vector: linspace(0, DURATION, SAMPLE_RATE * DURATION).
Produce carrier with phase offset: cos(2π·440·t + 2π·intent).
Add Gaussian noise.
To recover: FFT → peak detection → phase extraction → normalize.

Accuracy Considerations

Phase recovery is approximate due to noise and FFT bin resolution.
For governance decisions, the recovered intent is compared against known target (e.g., 0.75) with tolerance ±0.1.
Higher sample rates or longer durations improve phase resolution.

Integration Points

The recovered intent feeds into the coherence check in governance_9d.
Coherence is HIGH (0.95) when |intent - 0.75| < 0.1, LOW (0.4) otherwise.
The audio layer provides a physical-channel encoding for the v2 (Intent Phase) component.

Guardrails

Intent must be clamped to [0, 1] before encoding.
Only use positive-frequency half of FFT for peak detection.
Phase normalization must use modulo 2π before dividing.
Noise level (σ=0.1) is fixed for reproducibility; do not increase without testing recovery accuracy.