Picovoice 

Rhino is Picovoice's Speech-to-Intent engine. It directly infers intent from spoken commands within a given context of interest, in real-time. For example, given a spoken command "Can I have a small double-shot espresso?", Rhino infers that the user wants to order a drink with these specifications:... More information

Picovoice is an end-to-end platform for building voice products on your terms. It enables creating voice experiences similar to Alexa and Google. But it entirely runs 100% on-device. Picovoice is: - Private: Everything is processed offline. Intrinsically HIPAA and GDPR compliant. - Reliable: Runs... More information

Porcupine is a highly-accurate and lightweight wake word engine. It enables building always-listening voice-enabled applications. Porcupine is: - using deep neural networks trained in real-world environments. - compact and computationally-efficient making it perfect for IoT. - scalable. It... More information

Leopard is an on-device speech-to-text engine. Leopard is: - Private; All voice processing runs locally. - Accurate - Compact and Computationally-Efficient - Cross-Platform: Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64), Raspberry Pi (4, 3), NVIDIA Jetson Nano

Cheetah is an on-device speech-to-text engine. Cheetah is: - Private; All voice processing runs locally. - Accurate - Compact and Computationally-Efficient - Cross-Platform: Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64), Raspberry Pi (4, 3), NVIDIA Jetson Nano

PvRecorder is a library for .NET to record and capture audio frames.