tech-architecture-doc

Documents

Create comprehensive technical architecture documentation for the saxjaxTunerIntelligent audio processing pipeline. Use this when onboarding developers, documenting system architecture, or explaining the audio data flow and settings integration.

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Technical Architecture Documentation Generator

Write comprehensive technical architecture documents for the saxjaxTunerIntelligent project, focusing on audio processing pipeline and settings integration.

Document Structure

Part 1: Core Audio Architecture & Data Flow

Technology Stack & High-Level Design
- Core technologies: Swift, SwiftUI, AudioKit
- High-level audio flow: Microphone → AudioKit Engine → Pitch Tap → Detection → ViewModel → View
- Include Mermaid.js flow diagram
TunerEngine.swift Deep Dive
- Role & Responsibility: Central audio operations manager
- AudioKit Integration: How it uses AudioEngine, InputDevice, Mixer nodes
- Input and Pitch Tap:
  - How audio is captured from microphone
  - Explain tap concept (installTap) for real-time, non-destructive analysis
- Pitch Detection Algorithm:
  - Which algorithm is used (YIN, DYWA, HPS, etc.)
  - Reference PitchDetectorType.swift for abstraction
- Output Data Flow:
  - Data structure (PitchResult, DetectedNote)
  - How results pass to TunerViewModel (delegate, Combine, callback)

Part 2: Settings Integration & Functional Impact

Include high-level Mermaid diagram showing how settings influence main data flow

For each setting, provide:

Setting Name
User Interface (UI): Where configured (SettingsView, QuickAccessBar)
Data Model & State: Where stored (TuningProfile, TunerViewModel)
Core Logic Integration: How TunerEngine uses this value
Functional Impact & Purpose: Effect on algorithm/UI, why musicians use it, practical example

Settings to Analyze

Transposition
A4 Frequency / Kammertone
Tuning Tolerance
Sound Playback (reference tone)

Mermaid Diagram Examples

Audio Flow

graph LR
    A[Microphone] --> B[AudioKit Engine]
    B --> C[Pitch Tap]
    C --> D[Pitch Detection Algorithm]
    D --> E[TunerViewModel]
    E --> F[SwiftUI View]

Settings Integration

graph TB
    A[Audio Input] --> B[TunerEngine]
    C[TuningProfile Settings] -.influences.-> B
    B --> D[Pitch Detection]
    C -.influences.-> D
    D --> E[Display Calculation]
    C -.influences.-> E

Writing Guidelines

Be exceptionally specific and clear
Reference actual file names and component names
Include code locations where relevant
Explain data flow with precision
Use visual diagrams to clarify complex flows
Target audience: Senior engineer new to the project