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AI Real-Time Translation

Sub-second AI speech-to-speech meeting translator with Google Meet/Teams/Zoom connectors, 8-stage latency tracker, and live bilingual transcripts.

No public live demo. A private product demonstration is available on request.

AI Real-Time Translation overview
Interactive Trigger Map

Real-Time AI Pipeline & Event Triggers

Interactive neural graph: trace audio stream ingestion, LLM translation, and synthesized voice dispatch.

Product overview

The AI Real-Time Translation platform is an enterprise-grade streaming translation system built with NestJS 11, Next.js 15 App Router, TypeScript, Socket.IO WebSockets, PostgreSQL, Drizzle ORM, and Redis in a Turborepo monorepo architecture. An AI participant joins online meetings (Google Meet, Microsoft Teams, Zoom, or API), processes PCM16 audio in memory, performs Voice Activity Detection (VAD) and speaker routing, transcribes speech via STT, translates text across two-way language pairs (`en <-> hi`), and synthesizes translated speech back into the call while streaming live side-by-side transcripts to web browsers. The system includes 8-stage timestamp latency tracking (`LatencyTracker`), organization minute pools with transactional debits, multi-provider interfaces (OpenAI, Deepgram, ElevenLabs, Google Cloud, Azure Speech), and an information-dense admin console with revenue vs AI provider margin analytics.
    Sub-Second Streaming Speech-to-Speech Translation Pipeline (p50 < 1.5s, p95 < 2.5s)8-Stage Utterance Timestamp Latency Instrumentation (`LatencyTracker` & `latency_samples`)Multi-Platform Meeting Connectors (Google Meet, Microsoft Teams, Zoom & Mock audio connector)Two-Way Dynamic Language & Voice Routing Engine (`en <-> hi` per-speaker direction)Live Bilingual Side-by-Side Streaming Transcripts via Socket.IO WebSocketsMulti-Tenant Organization Management with Role-Based Access (`OWNER`, `ADMIN`, `MEMBER`, `SUPER_ADMIN`)Transactional Minute Pool Debits & Per-Second Session Usage MeteringAI Provider Cost Accounting & Real-Time Margin Analytics (`estimateCost()` & `session_costs`)Privacy-First In-Memory Audio Processing (`STORE_RAW_AUDIO=false` zero-disk default)

Who is this software for?

Who is it for

Global enterprises, international teams, cross-border agencies, virtual conference operators, and ed-tech platforms requiring real-time multilingual speech translation during live meetings.

What problems does it solve?

Eliminates the high cost of human interpreters and the inadequacy of post-call captions. Solves language barriers during live conversations by streaming real-time translated voice back into meetings while maintaining live bilingual transcripts and audit logs.

Screenshots & preview

Authentic product screenshots are added here as they become available. Until then, contact us for a private demonstration.

AI Real-Time Translation Session Dashboard

Live Audio Waveform, Meeting Connectors & Latency Tracker. Real-time meeting translator dashboard with audio waveforms, Google Meet/Teams/Zoom connector indicators, 8-stage latency metrics, and live bilingual transcript stream.

Key features

Low-Latency Streaming Speech-to-Speech Pipeline

Engineered for sub-second translation with target p50 < 1.5s and p95 < 2.5s without batch delays.

8-Stage Utterance Timestamp Latency Tracker

Records 8 precise timestamps per utterance from audio capture to STT, translation, TTS, and playback.

Multi-Platform Meeting Connectors

Supported participant connector architecture for Google Meet, Microsoft Teams, Zoom, and Mock meeting feeds.

Two-Way Dynamic Auto-Language Routing

Dynamic route table per speaker direction (e.g. English speaker translated to Hindi; Hindi speaker translated to English).

Live Streaming Socket.IO WebSockets

Partial and final text transcripts stream to the browser UI before audio synthesis finishes.

Bilingual Side-by-Side Transcript Stream

Displays original speech and translated text with speaker labels, confidence scores, and timestamps.

Multi-Format Transcript Exports

Download completed meeting transcripts in JSON, TXT, or SRT subtitle formats.

Organization & Member RBAC System

Multi-tenant organization scope (Owner, Admin, Member) and platform admin scope (Super Admin, Support, Billing Admin).

Per-Second Session Usage Metering

Session duration metered in exact seconds, aggregated to billable minutes, and debited from org minute pools.

AI Provider Cost Accounting & Margin Analytics

Real-time cost estimation per provider feeds session_costs for live tracking of revenue vs AI provider margins.

Modular AI Provider Adapters

Pluggable provider interfaces for STT (Deepgram, OpenAI), Translation (OpenAI, Google), and TTS (ElevenLabs, Azure).

PCM16 Audio Normalizer & VAD

Resamples audio to 16 kHz mono, removes DC offset, applies gain normalization, and runs Voice Activity Detection.

Privacy-First In-Memory Processing

Audio is processed entirely in memory ring buffers with STORE_RAW_AUDIO=false by default — zero disk storage.

Administrative Incident Diagnostics

Real-time health probes, error taxonomy, connector status checks, and latency heatmaps.

Redis Session Ownership Locks

Redis coordinates realtime fan-out, session ownership locks, and API rate limits across worker clusters.

Next.js 15 App Router Customer Portal

Modern responsive customer product dashboard for managing meetings, language preferences, and minutes.

Information-Dense Admin Console

Analytics-first admin panel for managing organizations, subscription plans, usage logs, and system health.

Shared Zod Validation Schema Workspace

Single definition for Zod schemas across API endpoints and frontend forms in a Turborepo monorepo.

Embedded Database & Local Stack

Supports embedded PostgreSQL binaries or Docker Compose stacks for frictionless developer setup.

Comprehensive Test Suite & Boot Validation

76 unit tests, 109 E2E tests against real databases, and 44 browser tests with fatal environment validation at boot.

How it works

01

Streaming AI Pipeline & Latency Budget

Audio frames pass through PCM16 normalization, VAD, speaker routing, streaming STT, stable-prefix translation, and streaming TTS to achieve a target p50 latency under 1.5 seconds. Every stage records precise timestamps to latency_samples for real-time monitoring.

02

Meeting Connector Capability Architecture

Connectors join meetings as visible participant bots under supported platform interfaces. Connectors declare capabilities (e.g. receiveAudio) and decline unsupported calls gracefully rather than using brittle DOM scraping.

03

Organization Minute Pools & Metered Billing

Organizations hold subscriptions and minute pools. Usage is metered per second and debited inside ACID database transactions with strict idempotency keys to prevent double-charging.

04

AI Provider Margin & Cost Accounting

Admin panel tracks real AI provider costs per utterance via estimateCost() and compares them against customer plan rates, providing clear visibility into gross margins.

Included

What’s included

Everything you need to run the product yourself.

  • Complete NestJS API, Realtime & Worker Backend source code (`apps/api`)
  • Complete Next.js 15 Customer Product & Admin Console source code (`apps/web`)
  • Shared Zod schemas, types & DTO workspace (`packages/shared`)
  • Google Meet, Microsoft Teams, Zoom & Mock connector interfaces
  • STT, Translation & TTS provider adapter abstractions with mock fallbacks
  • Database schema migrations & automated seed scripts
  • Dockerfiles & Docker Compose production environment
  • Complete 23-document technical specification suite (Architecture, AI Pipeline, Connectors, Privacy, Latency & API)

Built on modern technology

NestJS 11Next.js 15 App RouterTypeScriptTurborepo & pnpm WorkspacesPostgreSQL & Drizzle ORMRedis Pub/Sub & Rate LimiterSocket.IO WebSocketsPCM16 Audio Normalizer & VADOpenAI / Deepgram STTElevenLabs / Azure / Google Speech TTSZod Monorepo Validation WorkspaceDocker Containerization

Security-focused development: user authentication, input validation, secure passwords and role-based access are part of the standard implementation. There is no public live demo for this product.

Pricing & packages

One-time license pricing. Choose a package and click Buy Now to start your order.

Basic

Core AI translation platform with source code, mock connector, and single-tenant setup.

$599.00

one time license

  • Complete API, Realtime & Frontend source code
  • Single-organization user portal
  • Mock meeting connector & mock AI providers
  • Live bilingual transcript & SRT/TXT export
  • Installation & deployment guide
  • 15 days technical support

Support: 15 days

Deployment: Self-managed (guide provided)

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Most popular

Pro

Includes Google Meet & Teams connector setup, real AI provider integration help, and deployment assistance.

$1,199.00$1,399.00

one time license

  • Everything in Basic
  • Google Meet, MS Teams & Zoom connector setup assistance
  • OpenAI, Deepgram & ElevenLabs API key integration help
  • Multi-tenant Organization & Minute Pool billing module
  • Deployment assistance on your VPS / Linux server
  • 60 days priority support

Up to 8 hours of minor customizations included.

Support: 60 days

Deployment: Assistance included

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Enterprise Multi-Org

Includes Admin Margin Analytics console, custom AI model provider adapters, priority support, and multi-node scaling.

$2,499.00

one time license

  • Everything in Pro
  • Admin Margin Analytics & Real-Time Cost Tracking console
  • Custom STT / Translation / TTS model adapter integration allowance
  • Priority 1-on-1 support for 1 year
  • Extended customization allowance (up to 24 hours)
  • Multi-node Redis & worker cluster deployment consultation

Up to 24 hours of customization included.

Support: 1 year

Deployment: Assistance included

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Inquiry

Interested in AI Real-Time Translation?

  • Ask about specific features or packages
  • Request a private demonstration — no public demo
  • Discuss customization and deployment
Need it customized? Explore custom development
Inquiring about AI Real-Time Translation

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Frequently asked questions

What is the AI Real-Time Translation product?
It is a production-grade, low-latency AI meeting translation platform built with NestJS 11, Next.js 15, Socket.IO, PostgreSQL, Drizzle ORM, and Redis in a Turborepo monorepo. An AI participant joins online meetings (Google Meet, MS Teams, Zoom, or API), transcribes speech in real time, and speaks the translation back into the room while streaming bilingual side-by-side transcripts to participants.
What is the real-time latency target?
The pipeline is engineered for sub-second streaming speech-to-speech translation with a target p50 end-to-end latency under 1.5 seconds and p95 under 2.5 seconds. It includes 8-stage timestamp instrumentation (LatencyTracker) from audio capture to synthesized playback.
Which meeting platforms are supported?
Includes connector architecture and health probes for Google Meet, Microsoft Teams, Zoom, and a mock PCM16 audio connector for testing. Connectors operate through supported participant interfaces without scraping or headless browser hacks.
How does two-way auto-language routing work?
Each meeting session manages a dynamic route table per speaker (e.g., en <-> hi). When a speaker is detected in English, it translates to Hindi with a Hindi voice; when a Hindi speaker speaks, it translates to English with an English voice.
How is usage metered and billed?
Usage is metered per session in exact seconds and aggregated into billable minutes. Organization minute pools, plan subscriptions, and transaction debits execute within PostgreSQL ACID transactions with strict idempotency.
How does the platform track AI provider costs and margins?
Every AI provider adapter implements cost estimation methods (estimateCost()) that feed real-time session_costs, giving platform admins instant visibility into revenue vs AI cost margins.
Is meeting audio stored on disk?
No. Meeting audio is processed entirely in memory via bounded ring buffers with STORE_RAW_AUDIO=false by default for strict privacy compliance.
Can this software be customized?
Yes. This is a ready-made software product, and customization is available. Contact us with your specific requirements and we will provide a quote.
How is the software delivered?
The product is delivered as source code with a database schema, setup guide and supporting documentation. You run it on your own server (or we can deploy it for you, depending on the selected package).
Is a public demo available?
There is no public live demo for this product. A private product demonstration is available on request — contact us to discuss your requirements.
How do I purchase this product?
Click Buy Now, choose your package, and submit the purchase request. Our team will contact you with payment details and next steps. Online payment can be enabled on this platform when configured.
What support is included?
Support depends on the selected package — each package lists its support period. Additional support and maintenance extensions can be purchased separately.

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