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Offline Speech Translation App: Cross-Platform On-Device Transcription, Translation, and TTS for iOS and Android
Speech Translation On-Device AI

Offline Speech Translation App: Cross-Platform On-Device Transcription, Translation, and TTS for iOS and Android

Open-source cross-platform mobile app for fully offline speech translation — combining on-device ASR (SenseVoice), neural machine translation, and TTS on iOS and Android with system audio capture

Akinori Nakajima - VoicePing
5 min
Speech Translation: Qwen3-ASR vs Whisper for EN-JA Bidirectional Translation
Speech Translation On-Device AI

Speech Translation: Qwen3-ASR vs Whisper for EN-JA Bidirectional Translation

Benchmarking bidirectional English-Japanese speech translation models — Qwen3-ASR (1.7B, highest quality) vs distilled Whisper (756M, 4x faster) — against OpenAI Whisper large-v3 and Meta SeamlessM4T v2

Akinori Nakajima - VoicePing
8 min
Offline Speech Transcription Benchmark: 16 Models Across Android, iOS, macOS, and Windows
Speech Recognition On-Device AI

Offline Speech Transcription Benchmark: 16 Models Across Android, iOS, macOS, and Windows

Comprehensive benchmark of 16 on-device speech-to-text models across 9 inference engines on Android, iOS, macOS, and Windows

Akinori Nakajima - VoicePing
9 min
Offline Text-to-Speech Benchmark: 18 Models Across Android and iOS
Text-to-Speech On-Device AI

Offline Text-to-Speech Benchmark: 18 Models Across Android and iOS

Comprehensive benchmark of 18 on-device text-to-speech models including Kokoro, Piper, Matcha, Kitten, and VITS on Android and iOS

Akinori Nakajima - VoicePing
6 min
First Real-Time AI Translation Implementation at Mint and Print International Conference 2025
Events AI Translation

First Real-Time AI Translation Implementation at Mint and Print International Conference 2025

The Mint and Print International Conference is a biennial international conference where central banks from around the world gather. At the 2025 conference, VoicePing's real-time AI translation service was adopted to overcome language barriers, enabling approximately 200 participants from over 50 central banks to understand presentations in their native languages.

VoicePing Editorial
8 min
Whisper in Production: Real-Time Dual-Language Switching, the Failures We Hit, and the Architecture That Works
ASR Whisper

Whisper in Production: Real-Time Dual-Language Switching, the Failures We Hit, and the Architecture That Works

How VoicePing engineered Bilingual Mode for automatic, low-latency language switching inside a single WebSocket stream powered by customized Whisper V2 models.

Akira Noda - VoicePing
9 min

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