New: Soniox v5 Real-Time is here

Croatian to Persian speech translation API

Stream Croatian (Hrvatski) speech and get Persian (فارسی) back in real time. One WebSocket, ISO codes hr to fa, and ultra-low latency for voice agents and live apps.

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Production-ready Croatian to Persian translation API

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

Croatian (Indo-European > Slavic > South Slavic) and Persian (Indo-European > Iranian > Western Iranian) come from different language families, so word order and morphology differ. Soniox reorders meaning in-stream instead of word by word.

Croatian is written in Latin and Persian in Arabic, so Soniox emits correctly scripted Persian text. Right-to-left output is handled directly in the token stream.

A breakthrough in real-time Croatian to Persian translation

Translate before the sentence ends

Persian meaning lands as Croatian is spoken, not after the caption catches up.

Directional hr to fa streaming

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

High quality Persian output

Same model across every language, including historically underserved ones.

Native-speaker Croatian STT accuracy

Accurate Persian translation starts with accurate Croatian recognition across accents and language switching.

Names, numbers, and domain terms

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

config.json
{
  "model": "stt-rt-v5",
  "translation": {
    "type": "one_way",
    "source_language": "hr",
    "target_language": "fa"
  }
}

Croatian and Persian through a single stream

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

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

Live Croatian to Persian: written and spoken

Croatian to Persian speech-to-text

Live Croatian speechPersian text

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

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

Croatian to Persian speech-to-speech

Live Croatian speechSpoken Persian

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

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

Live Croatian to Persian translation in action

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

Croatian speaker says: Jesam, ali imam jedan tight deadline; šef traži report do podne.
Translated into Persian in real time.

One-way translation

Translate live Croatian into Persian. Everyone in the conversation sees the same translated stream.

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

Croatian speaker talks in Croatian.
Persian speaker hears Persian.
Persian speaker replies in Persian.
Croatian speaker hears Croatian.

Two-way translation

Translate between Croatian and Persian 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 Croatian at 1.25% word error rate and Persian at 1.25% word error rate. Accurate recognition on both sides is what makes the translation reliable.

Speech-to-Text

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

Translation

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

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.

About Croatian and Persian

Croatian has roughly 5,500,000 speakers across Croatia. Persian has roughly 110,000,000 speakers across Iran, Afghanistan, and Tajikistan.

Croatian is an official language of the European Union since Croatia joined in 2013.

Persian is one of the world's oldest literary languages, with a written tradition spanning over 2,500 years.

Soniox makes Croatian to Persian usable in real-time translation across every supported pair.

Frequently asked questions

How do I translate Croatian to Persian with the API?
Add a translation block to your real-time request with source_language "hr" and target_language "fa". Soniox transcribes Croatian and streams the Persian translation over the same WebSocket.
Is Croatian to Persian translation real-time?
Yes. Soniox streams Persian while Croatian is still being spoken, so meaning arrives mid-sentence instead of after the sentence ends.
What about translating Persian to Croatian?
That direction is supported too. See the Persian to Croatian page, or use two-way translation to run both directions in one session.
Does Soniox handle Latin to Arabic output?
Yes. Soniox outputs correctly scripted Persian text in Arabic, including right-to-left rendering, directly in the token stream.
Does Soniox handle Croatian dialects and accents?
Yes. Soniox handles Croatian dialects like Shtokavian, Chakavian, and Kajkavian in a single model, so Persian translation stays accurate across regions.
Which other providers support Croatian to Persian?
Based on their public docs, OpenAI and Azure list both Croatian and Persian for real-time translation. Soniox is the only one that also supports two-way live translation across 60+ languages.
How fast is Croatian to Persian translation?
Soniox streams Persian as Croatian is being spoken, with ultra-low latency. Translation arrives before the sentence ends.

Simple, usage-based pricing

Translate live audio from Croatian to Persian from ~$0.18/hour.

Translation is already built into Soniox Speech-to-Text API. When turned on, it adds about ~$0.06/hour in output token costs.

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