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title: Phonetic Reduction
emoji: 🎙️
colorFrom: blue
colorTo: green
sdk: gradio
sdk_version: 6.14.0
app_file: app.py
pinned: false
license: mit
short_description: Per-word phonetic reduction in Czech speech.
---
# Phonetic Reduction Analyzer (Czech)
Per-word reduction scores via **STT → per-word TTS canonical reference → duration ratio + spectral DTW**.
- Skóre `< 1` = slovo redukováno oproti průměru nahrávky
- Skóre `> 1` = slovo plně artikulováno
- Červené sloupce = nízká STT confidence (možný přeslech / halucinace)
Pipeline: faster-whisper (large-v3) → silero-vad → piper-tts (cs_CZ-jirka-medium) → MFCC + DTW.
Free CPU tier: ~30–60 s per ~10 s recording.
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