feat: Implement Temporal Audio Analysis Engine (#105)#110
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… tracking (#105) - Added librosa and soundfile as dependencies. - Created TemporalAnalyzer to extract BPM, duration, and beat grids from audio. - Replaces future mock data with actual DSP analysis.
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📝 WalkthroughSummary by CodeRabbit릴리스 노트
Walkthrough이 PR은 모의 데이터를 실제 오디오 처리로 대체하여 시간축 분석 기능을 구현합니다. Librosa 기반 오디오 처리, BPM/비트 추출을 위한 새로운 TemporalAnalyzer 클래스, CLI 개선사항(--status, --job 모드), 단위 테스트, 그리고 ARM64 빌드 워크플로우 업데이트를 포함합니다. Changes
Sequence DiagramsequenceDiagram
participant User
participant CLI
participant TemporalAnalyzer
participant Librosa
participant FileSystem
User->>CLI: invoke with --status or local_audio job
CLI->>CLI: read stdin/args payload
alt --status mode
CLI->>CLI: get_analysis_status()
CLI->>User: return status JSON
else local_audio job
CLI->>TemporalAnalyzer: analyze(audio_path)
TemporalAnalyzer->>FileSystem: read audio file
FileSystem-->>TemporalAnalyzer: audio data
TemporalAnalyzer->>Librosa: load(audio, mono, sr=44100)
Librosa-->>TemporalAnalyzer: resampled ndarray
TemporalAnalyzer->>Librosa: beat_track(y, sr)
Librosa-->>TemporalAnalyzer: tempo, beat_frames
TemporalAnalyzer->>TemporalAnalyzer: compute beat/downbeat times
TemporalAnalyzer-->>CLI: TemporalFeatures dict
CLI->>CLI: log bpm, continue with analysis job
CLI->>User: return job result JSON
end
Estimated Code Review Effort🎯 3 (Moderate) | ⏱️ ~25 minutes Possibly Related PRs
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This was referenced Apr 25, 2026
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Description
Resolves #105.
This PR removes the first layer of mock debt by introducing a real
librosaandsoundfilebased Temporal Analyzer.Changes
pyproject.tomlto includelibrosaandsoundfileusinguv.bandscope_analysis.temporal.analyzer.TemporalAnalyzer.