Vietnamese Speech to Text

Convert Vietnamese speech to text with high accuracy, low latency, and enterprise-grade scalability. Deepgram delivers real-time and batch transcription through a developer-first speech-to-text API.

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Fast and accurate Vietnamese speech recognition for real-world audio

Get real-time Vietnamese speech-to-text in under 300 ms while maintaining high accuracy in noisy, accented, or overlapping conversations.

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Vietnamese Language Overview

Speakers: 86 million native speakers (90-97 million total including L2 speakers)

Regions: Vietnam (primary, 86 million speakers), United States (1.5-2.3 million), Cambodia (1 million), Australia (320,000-335,000), France (400,000), Canada (276,000)

Dialects: Northern (Hanoi-based, standard), Central (Hue-based), Southern (Saigon-based)

Writing system: Latin-based Quốc ngữ script with diacritics for tones and vowels

Language family: Austroasiatic language family, Vietic subgroup

Vietnamese is widely used across Vietnam, the United States, and growing diaspora communities worldwide, making it a key language for call center analytics, customer support AI, healthcare telehealth services, media and gaming localization, legal and immigration services, education platforms, and multilingual voice agents.

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Vietnamese Speech-to-Text Capabilities

Deepgram includes everything required to produce accurate, readable, and secure Vietnamese transcripts out of the box.

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Diarization

Automatically detect and label who is speaking in multi-speaker Vietnamese conversations.

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Smart formatting

Apply automatic capitalization, paragraphing, and clean transcript structure for Vietnamese text.

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Instantly find words or phrases inside long Vietnamese recordings without reprocessing audio.

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Utterances

Segment streaming Vietnamese audio into real-time sentence-level units for voice agents.

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Punctuation

Add accurate punctuation and capitalization to Vietnamese transcripts for easy reading.

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Redaction

Automatically remove sensitive data like credit cards, phone numbers, and PII from Vietnamese transcripts.

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Vietnamese Speech-to-Text features

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Keyterm prompting for Vietnamese

Boost recognition of brand names, product terms, and domain-specific vocabulary in Vietnamese audio to improve keyword recall and transcript accuracy.

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Automatic language detection

Identify when audio is spoken in Vietnamese and transcribe it without pre-selecting a language. For mixed-language datasets, sources, and batch transcription pipelines.

Frequently Asked Questions

Scale beyond Vietnamese with one API

Start with Vietnamese speech-to-text, then expand to 45+ languages using the same API, models, and tooling.

Ready to build with Vietnamese speech to text?

Start transcribing Vietnamese audio with Deepgram's speech to text API. It is fast, accurate, and built for real-time applications.