> This is a page from the ElevenLabs documentation. For a complete page index, fetch https://elevenlabs.io/docs/llms.txt. For the full documentation in a single file, fetch https://elevenlabs.io/docs/llms-full.txt.

# Concepts

> ElevenLabs provides APIs and SDKs for text to speech, voice cloning, speech to text, sound effects, voice isolator, voice changer, and conversational AI agents. Build voice-enabled applications with lifelike audio generation.

## Docs

- [Understanding audio streaming](https://elevenlabs.io/docs/eleven-api/concepts/audio-streaming.md): Why streaming audio generation is different from streaming files, and what that means for your application.
- [Understanding latency](https://elevenlabs.io/docs/eleven-api/concepts/latency.md): What latency means in audio generation, what contributes to it, and how to reason about tradeoffs.
- [Voice cloning: how it works](https://elevenlabs.io/docs/eleven-api/concepts/voice-cloning.md): The technical differences between Instant and Professional Voice Cloning, and what they mean for quality.