---
title: "Vietnamese Speech Recognition Dataset"
description: "Vietnamese speech dataset features over 10 hours of telephone-quality audio recordings from native Vietnamese speakers, providing a diverse speech corpus for recognition tasks and training…"
url: "https://unidata.pro/datasets/vietnamese-speech-recognition/"
date_modified: "2025-12-10T16:51:38+03:00"
language: "en-US"
---
Vietnamese speech dataset features over 10 hours of telephone-quality audio recordings from native Vietnamese speakers, providing a diverse speech corpus for recognition tasks and training data for NLP models. This Vietnamese audio dataset contains real conversational dialogues with detailed annotations, making it well-suited for machine learning, multi-dialect processing, and benchmarking speech-driven AI systems.

[View as Markdown](https://unidata.pro/datasets/vietnamese-speech-recognition.md)

## Структура датасета

### Секция с числами

**Numbers list:**

- **Number:** 10+ — **Text:** Hours
- **Number:** 20+ — **Text:** Speakers

### Секция тултипов

**Tooltip items:**

- **Name:** NLP
- **Name:** LLM
- **Name:** Machine Learning
- **Name:** Audio Processing
- **Name:** ASR
- **Name:** Voice Recognition

### Dataset Info

**Таблица с данными:**

| Characteristic | Data |
| --- | --- |
| Description | Audio of telephone dialogues in Vietnamese for training NLP models in real-world conversational scenarios |
| Data types | Audio |
| Tasks | Speech recognition, NLP |
| Country | Vietnam (VNM) |
| Hours of telephone dialogue | 10+ |
| Number of speakers | 20+ |
| Labeling | Annotation (ID, Language, Format, Minutes) |
| Recording device | Telephone |

**Слайдер с медиа:**

- **Видео в сладйер:** <https://unidata.pro/wp-content/uploads/2025/11/vietnamese-speech.mp3>
- **Видео в сладйер:** <https://unidata.pro/wp-content/uploads/2025/11/vietnamese-speech-dataset.mp3>

**Ссылка на сэмпл:** [Download sample](https://drive.google.com/drive/folders/1REt3HIhIkVVEKF6TS0Sw8qUeP9oBKOub)

### Technical  characteristics

**Таблица с данными:**

| Characteristic | Data |
| --- | --- |
| Audio Format | M4A, MP3 |
| Recording condition | Low background noise |
| Duration | Mean = 11 min |

**Source and collection methodology:** Source and collection methodology. Data was collected via crowdsourcing platforms.

### Dataset Use Cases - слайдер

**Карточки индустрий:**

- **Индустрия:** Speech Technology & NLP — **Заголовок:** Building Vietnamese ASR Models — **Текст:** This Vietnamese speech dataset helps developers build reliable speech recognition tools that understand real conversational patterns. The dataset contains telephone-quality audio recordings from native Vietnamese speakers, giving models exposure to natural phrasing, hesitations, and varied accents. It supports training data needs for recognition tasks, fine-tuned models, and ASR systems targeting low-resource languages.
- **Индустрия:** Customer Service Automation — **Заголовок:** Improving Call-Center Dialogue Systems — **Текст:** Vietnamese audio dataset provides real call-style audio recordings that help automate customer support workflows. Because the dataset covers spontaneous dialogue, background cues, and natural speech rhythm, it enables recognition systems to handle real-world scenarios. It is useful for call-routing solutions, intent detection, and machine learning models used in Vietnamese customer service automation.
- **Индустрия:** AI Research & Benchmarking — **Заголовок:** Evaluating Speech Models for Vietnamese Language Tasks — **Текст:** Researchers use this dataset as a benchmark for testing pre-trained models and recognition systems. The dataset comprising multi-speaker audio recordings allows fair evaluation of different learning models under consistent conditions. Its variety supports speech corpus research, speech translations, and the development of more resilient AI technology for regional languages.
- **Индустрия:** Voice Biometrics & Security — **Заголовок:** Training Speaker Recognition Systems — **Текст:** This Vietnamese language dataset provides clean audio recordings suitable for training and validating speaker recognition tools. With natural conversational segments and multiple native Vietnamese speakers, it supports recognition tasks involving identity verification and enrollment. The dataset capturing authentic voice patterns helps improve biometric accuracy and reduces errors in voice-based security systems.

### Фак

**Заголовок FAQs:** FAQs

**Перечень вопросов:**

- **Вопрос:** Can I request a sample before purchasing the dataset? — **Ответ:** Yes. Unidata provides free samples so you can evaluate the audio data, annotation quality, and relevance to your recognition tasks before completing your purchase. This helps ensure compatibility with your models and training pipelines.
- **Вопрос:** How was the data collected? — **Ответ:** The dataset was collected via vetted crowdsourcing platforms, capturing natural telephone conversations from native Vietnamese speakers. Contributors followed standardized scripts and guidelines to preserve clarity and reduce background noise.
- **Вопрос:** How are Unidata datasets licensed? — **Ответ:** Unidata follows a dual-licensing model: free samples are available for testing, while full datasets are provided exclusively through paid licensing. This ensures proper usage rights and supports long-term dataset maintenance.
- **Вопрос:** Do Unidata datasets comply with GDPR and privacy regulations? — **Ответ:** Yes. All Unidata datasets adhere to GDPR and global data protection standards. Every audio sample is sourced through legally permissible collection methods, protecting participants’ personal rights.
- **Вопрос:** How are Unidata datasets stored? — **Ответ:** All datasets are securely stored on AWS cloud infrastructure with compliance to ISO 27001 and ISO 27701. This guarantees safe handling of speech data, maximum availability, and strong privacy controls.
- **Вопрос:** How long does it take to receive the dataset? — **Ответ:** After submitting your request, our team will verify details and prepare the required documents. Following payment and agreement, delivery typically occurs within 3–10 days.
- **Вопрос:** Is this real-world data or synthetic data? — **Ответ:** This dataset contains real-world audio recordings from native Vietnamese speakers. No synthetic or generated speech is included, making it ideal for training recognition systems designed for authentic human interactions.
- **Вопрос:** Why is diverse Vietnamese speech valuable for natural language processing models? — **Ответ:** Vietnamese has unique pronunciation patterns and regional language variations that require representative training data. Using authentic speech examples helps NLP and speech recognition models improve accuracy and better understand real human communication.