Core Workflow Rule Explicitly pick both languages (58 supported—Auto Detect is disabled in two-way mode so turns never misroute), enable Speak Translations, and place the phone or iPad equidistant between both speakers.
One-Way vs Two-Way Translation Modes in GPT Realtime Assistant
ModeLanguage SetupSpoken OutputTypical Credit Pace
Translate Both WaysSelect exact Language A & Language B (58 languages)Reads each turn aloud in the other speaker's language~85 credits / minute (~23 min per 2,000 monthly credits)
One-Way Translation SessionTarget language set; source fixed or auto-detectedLive translated transcript (optional voice)Standard live audio/text session metering
Karaoke Readback PracticeOn-device Apple Speech word highlightingYou read aloud; words highlight in real timeOn-device highlighting uses zero cloud audio

Why Fixing Both Languages Beats Auto-Detect at a Table

Short conversational acknowledgments—names, numbers, 'okay', brief cognates—often sound ambiguous to automatic language detectors. In a two-person dialogue, a single misdetected word can translate a sentence back into the speaker's own language.

GPT Realtime Assistant solves this when you toggle on Translate Both Ways: you select the exact pair from 58 supported languages before tapping Start. Because two translation pipelines stand ready simultaneously, each person speaks naturally in turn and hears their sentence rendered into the partner's language.

Setting Up the Table for Clean Turn-Taking

Good acoustic placement matters more than speaking loudly:

  1. Open GPT Realtime Assistant on iPhone, iPad, or Mac, start a Translation session, enable Translate Both Ways, and pick both languages.
  2. Turn on Speak Translations so neither person has to lean over to squint at every line.
  3. Lay the iPhone or iPad flat on the table within 40–60 cm of both speakers, away from espresso machines, street traffic, or restaurant speakers.
  4. Speak in complete, natural sentences of one to three clauses, then pause briefly so semantic voice detection finishes the turn and speaks the translation before the other person replies.

Keep the App Open on iOS and Obtain Consent

On iPhone and iPad, keep GPT Realtime Assistant open on screen throughout the live session so microphone streaming stays uninterrupted. Always ask the other person's permission before starting a live session, and verify important dates, dosages, prices, or legal numbers visually on screen.

Pre-Session Checklist

Saved locally in your browser so you can check your setup before starting.

Frequently Asked Questions

Why does two-way translation use around 85 credits per minute?

Bidirectional mode maintains two simultaneous live translation streams over OpenAI's Realtime API and synthesizes spoken audio back out. The 2,000 AI credits included with the $9.99/month subscription cover roughly 23 minutes of continuous two-way voice interpretation, with 1,000 and 5,000 credit top-ups available anytime.

Are our translated audio recordings stored on Arte Soft's servers?

No. Audio streams directly from your device to OpenAI's Realtime API using a short-lived session token. Arte Soft's backend records credit usage and session titles for billing, never your audio or transcripts—transcripts remain locally on your device.

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