Text-to-Speech Synthesis

Text-to-speech (TTS) synthesis converts written text into natural-sounding spoken audio, enabling applications like accessibility tools, audiobooks, and voice assistants. Core components include text analysis, phoneme mapping, and voice synthesis engines.

Integration with NotebookLM

To modify voices in notebooklm audio outputs using elevlabs:

  • Generate an audio overview (e.g., “Brief”) via notebooklm from existing sources
  • Download the audio file, then re-upload it to notebooklm as a new source to create a text transcript
  • Process the transcript through elevlabs to enhance or change the voice characteristics

2026 04 14 Change voice from NotebookLM using elevlabs

Source Notes