Scraped Bengali TTS Speech Chunks
Single-speaker Bengali (bn) speech chunks extracted from YouTube videos, cleaned and segmented for TTS (text-to-speech) training data.
Pipeline
Each chunk was produced by:
- Downloading source audio via yt-dlp
- Trimming the first/last 2 minutes of each source video
- Removing background music/noise via Demucs vocal separation
- Splitting stereo channels into independent left/right tracks when present
- Voice Activity Detection (Silero VAD) to find speech regions per track
- Speaker diarization (pyannote.audio), run once on the full track; only speaker turns with ZERO overlap against any other speaker are kept, then intersected with the VAD speech regions -- chunk boundaries come from these clean single-speaker windows, not from raw VAD segments, so overlapping/crosstalk audio is excluded rather than merely down-weighted
- Emotion tagging (Hatman/audio-emotion-detection) on each accepted chunk -- metadata only, nothing is filtered by emotion
Columns
audio: the speech chunk, mono, 16kHz WAVlanguage: ISO 639-1 language code (bn= Bengali)seconds: duration of the chunk in secondsemotion: predicted emotion label (Angry, Disgusted, Fearful, Happy, Neutral, Sad, Suprised) from Hatman/audio-emotion-detection
Config
bengali: all Bengali-language chunks collected so far
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