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Danish to Swedish speech translation API

Stream Danish (Dansk) speech and get Swedish (Svenska) back in real time. One WebSocket, ISO codes da to sv, and ultra-low latency for voice agents and live apps.

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Production-ready Danish to Swedish translation API

Real Danish speech includes accents, regional dialects, code switching, and domain-specific vocabulary. Soniox recognizes it in a single model and streams Swedish while the speaker is still talking.

Danish and Swedish both belong to the Indo-European > Germanic > North Germanic family, so cognates and shared structure carry over cleanly into the translated Swedish output.

Soniox preserves formatting in the translated transcript, including names, numbers, addresses, IDs, and domain-specific terms.

A breakthrough in real-time Danish to Swedish translation

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Translate before the sentence ends

Swedish meaning lands as Danish is spoken, not after the caption catches up.

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Directional da to sv streaming

Set the source and target codes once. Both arrive in a single labeled token stream.

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High quality Swedish output

Same model across every language, including historically underserved ones.

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Native-speaker Danish STT accuracy

Accurate Swedish translation starts with accurate Danish recognition across accents and language switching.

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Names, numbers, and domain terms

Preserved across the pair, including phone numbers, emails, and IDs.

config.json
{
  "model": "stt-rt-v4",
  "translation": {
    "type": "one_way",
    "source_language": "da",
    "target_language": "sv"
  }
}

Danish and Swedish through a single stream

Danish to Swedish translation is built on top of Soniox Speech-to-Text API. Every spoken word is transcribed, and Swedish translation streams mid-sentence in the same labeled token stream.

Turn it on by adding a translation block with source_language: "da" and target_language: "sv". It runs on the same WebSocket and the same model, with no extra round trip.

Live Danish to Swedish: written and spoken

Danish to Swedish speech-to-text

micLive Danish speecharrow_right_altsubjectSwedish text

Translate live Danish into written Swedish with the Soniox STT API. Soniox streams the Danish transcript and the Swedish translation as speech happens.

Use it for Swedish captions, subtitles, meeting translation, agent assist, and multilingual transcription.

Danish to Swedish speech-to-speech

micLive Danish speecharrow_right_altvolume_upSpoken Swedish

Build full spoken Danish to Swedish translation by combining Soniox STT and Soniox TTS. Soniox recognizes Danish, translates it, and speaks Swedish with low latency.

Use it for live interpreters, bilingual voice agents, travel assistants, and customer support.

Live Danish to Swedish translation in action

Stream Danish to Swedish one-way to push all speech into Swedish, or two-way to keep a bilingual conversation flowing between the two languages.

voice_selection
Danish speaker says: “Jeg mobilepayer dig nu, og så sender du en Google Calendar-invite, right?”
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Translated into Swedish in real time.

One-way translation

Translate live Danish into Swedish. Everyone in the conversation sees the same translated stream.

Ideal for live captions, multilingual meetings, broadcasts, lectures, and customer calls.

voice_selection
Danish speaker talks in Danish.
hearing
Swedish speaker hears Swedish.
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Swedish speaker replies in Swedish.
hearing
Danish speaker hears Danish.

Two-way translation

Translate between Danish and Swedish for live bilingual conversation. Each side speaks naturally and hears the other in their own language.

Soniox supports real-time two-way translation between any two of 60+ supported languages.

Accurate on both ends of the pair

Soniox transcribes Danish at 7.7% word error rate and Swedish at 8.2% word error rate. Accurate recognition on both sides is what makes the translation reliable.

speech_to_text

Speech-to-Text

Native-speaker accuracy across 60+ languages, with support for multilingual speech, alphanumerics, speaker diarization, context.

translate

Translation

Real-time streaming translation across 3,600 language pairs, built for high quality and low delay across all supported languages.

text_to_speech

Text-to-speech

High-fidelity speech generation in 60+ languages, built for names, alphanumerics, language switching, and ultra-low-latency streaming.

Together, they create a complete real-time low-latency speech AI platform.

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About Danish and Swedish

Danish has roughly 6,000,000 speakers across Denmark. Swedish has roughly 10,000,000 speakers across Sweden.

Danish was the administrative language of Norway for over 400 years during the Danish-Norwegian union.

Swedish is the most widely spoken of the Scandinavian languages.

Danish and Swedish are closely related languages, which helps Soniox keep tone and meaning consistent across the pair.

Translate Danish to any language

From Danish to Swedish, or Danish to any of 60+ supported languages. All real-time.

AfrikaansAlbanianArabicAzerbaijaniBasqueBelarusianBengaliBosnianBulgarianCatalanChineseCroatianCzechDutchEnglishEstonianFinnishFrenchGalicianGermanGreekGujaratiHebrewHindiHungarianIndonesianItalianJapaneseKannadaKazakhKoreanLatvianLithuanianMacedonianMalayMalayalamMarathiNorwegianPersianPolishPortuguesePunjabiRomanianRussianSerbianSlovakSlovenianSpanishSwahiliSwedishTagalogTamilTeluguThaiTurkishUkrainianUrduVietnameseWelsh

Related translation pages

swap_horizTranslate Swedish to Danisharrow_right_alttranslateDanish speech translationarrow_right_alttranslateSwedish speech translationarrow_right_altarrow_right_altDanish to Norwegianarrow_right_alt

Frequently asked questions

How do I translate Danish to Swedish with the API?arrow_downward
Add a translation block to your real-time request with source_language "da" and target_language "sv". Soniox transcribes Danish and streams the Swedish translation over the same WebSocket.
Is Danish to Swedish translation real-time?arrow_downward
Yes. Soniox streams Swedish while Danish is still being spoken, so meaning arrives mid-sentence instead of after the sentence ends.
What about translating Swedish to Danish?arrow_downward
That direction is supported too. See the Swedish to Danish page, or use two-way translation to run both directions in one session.
Danish and Swedish are both Indo-European > Germanic > North Germanic — does that affect quality?arrow_downward
Shared family structure and cognates generally help. Soniox uses the same model for every pair, so quality stays consistent whether the languages are closely related or not.
Does Soniox handle Danish dialects and accents?arrow_downward
Yes. Soniox handles Danish dialects like Jutlandic, Insular Danish, and Bornholmian in a single model, so Swedish translation stays accurate across regions.
Which other providers support Danish to Swedish?arrow_downward
Based on their public docs, OpenAI, Azure, and Speechmatics list both Danish and Swedish for real-time translation. Soniox is the only one that also supports two-way live translation across 60+ languages.
How fast is Danish to Swedish translation?arrow_downward
Soniox streams Swedish as Danish is being spoken, with ultra-low latency. Translation arrives before the sentence ends.

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