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# What is the difference between original audio and dynamic narration?

In Audiobooks, generated narration (original audio) produces a fixed audio file using a selected voice.

Dynamic narration allows listeners to choose their preferred narrator's voice during playback.

> 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.