> For the complete documentation index, see [llms.txt](https://docs.pletor.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pletor.ai/build-agents/nodes/ai-nodes/ai-audio.md).

# AI Audio

### Available audio nodes

| Node                     | What it does                                                | Key inputs                       |
| ------------------------ | ----------------------------------------------------------- | -------------------------------- |
| **Generate AI speech**   | Convert text to natural-sounding speech                     | Text + voice selection           |
| **Add AI sound effects** | Generate and add AI sound effects to videos                 | Source video + sound description |
| **Generate lipsync**     | Sync lip movements to audio (also available under AI Video) | Source video/image + audio/text  |
| **Generate music**       | Generate music from a text prompt                           | Music description                |
| **Extract audio**        | Get an audio file from a video                              | Source video                     |
| **Voice changer**        | Transform a voice while keeping the original speech         | Source audio + voice selection   |
| **Transcribe**           | Convert speech into written text                            | Source audio or video            |

#### Tips for AI Audio nodes

* **Custom voices (contact us)**: upload your own voice samples to create a consistent brand voice across all your audio content.
* **Chain speech → lipsync**: Generate AI Speech to create a voiceover, then feed it into Generate Lipsync to animate a character delivering the script.