# DolphinVoice > Japanese speech AI platform offering real-time transcription, speech-to-text, and text-to-speech APIs. Optimized for Japanese language with 95%+ accuracy. SOC 2 Type I & II and ISO 27001 certified. Serves enterprise customers including Polyglots, CloCall, Cloopen, and HopeRun. ## Products - [Real-time Transcription](https://dolphinvoice.ai/realtime-transcription): Real-time Japanese speech recognition with speaker diarization, noise robustness, automatic punctuation, and multi-language support (Japanese, English, Chinese). Includes web playground for testing. - [Speech-to-Text](https://dolphinvoice.ai/speech-to-text): Audio and video file transcription API supporting multiple formats. Returns transcript files and subtitle files (SRT, VTT). Includes inverse text normalization for dates, times, and numbers. - [Text-to-Speech](https://dolphinvoice.ai/text-to-speech): Advanced E2E text-to-speech API with emotional adjustment and natural-sounding voices. Optimized for call center and customer service applications. - [NihongoScore](https://dolphinvoice.ai/nihongoscore): AI-powered Japanese language testing tool for evaluating speech recognition quality. ## Pricing - [Pricing](https://dolphinvoice.ai/pricing): Tiered pricing with Free tier (100 minutes/month), Pay-as-you-go ($0.006/minute for Japanese, $0.004/minute for English), and Enterprise plans with volume discounts and on-premise deployment options. ## Enterprise - [Enterprise Solutions](https://dolphinvoice.ai/enterprise): On-premise deployment for data sovereignty, custom SLA agreements, dedicated support, and volume-based pricing. CPU and GPU deployment options with cost analysis. ## Documentation - [Developer Documentation](https://developers.dolphinvoice.ai/ja): Complete API reference with SDKs for Python, JavaScript/TypeScript, Go, PHP, and Java. Includes quick start guides, code examples, and integration tutorials. - [API Playground](https://playground.dolphinvoice.ai/): Interactive web-based tool for testing real-time transcription, file transcription, and text-to-speech without writing code. ## Resources - [Blog](https://dolphinvoice.ai/blog): Technical articles on ASR accuracy benchmarks, processing speed comparisons (streaming vs non-streaming), call center implementation guides, and customer success stories. - [AI Apps Directory](https://dolphinvoice.ai/ai-apps): Curated collection of 400+ AI applications built with DolphinVoice and other AI services, organized by category. ## Customer Stories - [CloCall Case Study](https://dolphinvoice.ai/customers/clocall-customer-story): Japanese PBX provider integrated DolphinVoice to achieve 90% reduction in call abandonment rate and 60 hours monthly workload reduction per agent. Detailed implementation flow and ROI analysis included. ## Security & Compliance - [Security](https://dolphinvoice.ai/security): ISO 27001 and SOC 2 Type I & II certified. Details on data encryption (TLS 1.3, AES-256), infrastructure security, access controls, and compliance with Japanese privacy laws (APPI). ## Legal - [Privacy Policy](https://dolphinvoice.ai/privacy): Data handling practices, retention policies, and user rights under Japanese and international privacy regulations. - [Terms of Service](https://dolphinvoice.ai/terms): Service terms, acceptable use policy, and service limitations. - [SLA](https://dolphinvoice.ai/sla): Service level agreement with 99.9% uptime guarantee, support response times, and incident management procedures. ## Key Facts - Founded in 2018, headquartered in Tokyo, Japan - Specializes in Japanese speech recognition with 95%+ accuracy - SOC 2 Type I & II and ISO 27001 certified - Serves 50+ enterprise customers - SDKs available in Python, JavaScript, Go, PHP, Java - Supports Japanese, English, Chinese (Mandarin), and other languages - Offers both cloud API and on-premise deployment - Technical advisor: Professor Kitaoka (speech AI specialist) - Industry: Speech AI / Voice Recognition / Natural Language Processing - Competitive advantage: Japanese-first language models, cost-effective on-premise options (96% cost reduction vs GPU) ## Contact - Website: https://dolphinvoice.ai - Developer Docs: https://developers.dolphinvoice.ai - Support: https://dolphinvoice.ai/contact - Playground: https://playground.dolphinvoice.ai - GitHub: https://github.com/dolphinvoice