| # DataCatalyst Multilingual TTS Sample |
| **Hindi | English | Hinglish (Code-Switched)** |
| Version: v1.2 | April 2026 |
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| ## Overview |
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| This dataset is a multilingual speech sample curated by DataCatalyst for ASR and TTS evaluation. |
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| Languages included: |
| - Hindi |
| - English (Indian accent) |
| - Hinglish (code-switched) |
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| Each language contains 6 utterances (~10 seconds each). |
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| ## Key Features |
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| - 48 kHz, 24-bit mono WAV |
| - Speaker-consistent recordings |
| - Loudness-normalized variants (EBU R128 aligned) |
| - Rich annotations (emotion, style, intent, delivery attributes) |
| - Explicit contributor consent |
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| ## Dataset Structure |
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| /hindi/ |
| /audio/ |
| /audio_processed/ |
| speaker_metadata.json |
| utterances.json |
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| /english/ |
| /audio/ |
| /audio_processed/ |
| speaker_metadata.json |
| utterances.json |
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| /hinglish/ |
| /audio/ |
| /audio_processed/ |
| speaker_metadata.json |
| utterances.json |
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| ## Audio Specifications |
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| - Format: WAV (PCM) |
| - Sample Rate: 48,000 Hz |
| - Bit Depth: 24-bit |
| - Channels: Mono |
| - Loudness (processed): ~ -22 to -18 LUFS |
| - True Peak: ~ -6 to -3 dBTP |
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| ## License |
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| This dataset is released under the **DataCatalyst Evaluation License (DEL-1.0)**. |
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| Permitted: |
| - Internal evaluation and benchmarking |
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| Not permitted: |
| - Commercial use |
| - Production model training |
| - Redistribution |
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| Contact: divyam@datacatalyst.in |
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