| Feature | Speech Platform Runtime | Azure Speech SDK | |---------|------------------------|------------------| | | 100% offline | Requires internet (or hybrid) | | Neural Voices | No (legacy concatenative) | Yes (highly natural) | | Customization | Limited (adaptation only) | Full custom model training | | Update cycle | None (frozen) | Continuous (monthly) | | Licensing | Part of Windows Server CAL | Pay-as-you-go / per transaction |
synthesizer.SpeakAsync($"You said e.Result.Text"); ; microsoft speech platform - runtime
Unlike desktop speech APIs (SAPI), the Speech Platform Runtime is optimized for: | Feature | Speech Platform Runtime | Azure