VieNeu-TTS-140h: 140 Hours of Phonemized Vietnamese Speech

VieNeu-TTS-140h contains 74,858 Vietnamese audio samples and phonemized transcripts totaling 140 hours of speech data. Developed by pnnbao-ump and updated in late 2024, the collection was sourced from YouTube and refined through a pipeline involving Whisper-large-v3 transcription and human-in-the-loop correction.

Use Cases

• Fine-tuning Text-to-Speech (TTS) models using the phonemized text labels
• Training Automatic Speech Recognition (ASR) systems on the 74,858 audio-transcript pairs
• Developing multi-speaker synthesis systems using the diverse audio samples

Strengths

• 140 hours of high-quality audio
• 74,858 individual samples
• Phonemized transcripts included
• Human-verified spell checking and feedback loop

Limitations

• Sourced from YouTube which may introduce domain bias toward social media or video content
• Initial transcription via Whisper-large-v3 may carry subtle machine-generated artifacts despite human review
• Unknown speaker diversity metrics regarding regional accents

Provenance

Source

YouTube

Collection Method

Scraped from YouTube, noise-cleaned, transcribed with Whisper-large-v3, and corrected by AI agents with human feedback.

Freshness

Last updated November 2025.

Geography

Vietnam