---
title: "Pitch Shift"
description: "Local-first visual environment for building and running AI workflows. Build agents visually, deploy anywhere, privacy by design."
canonical: https://docs.nodetool.ai/nodes/lib/audio/pitchshift
markdown: https://docs.nodetool.ai/nodes/lib/audio/pitchshift.md
product: NodeTool
source: https://github.com/nodetool-ai/nodetool/blob/main/docs/nodes/lib/audio/pitchshift.md
---

# Pitch Shift

**Type:** `lib.audio.PitchShift`

**Namespace:** `lib.audio`

## Description

Shifts the pitch of an audio file without changing its duration.
    audio, effect, pitch

    Use cases:
    - Transpose audio to a different key
    - Create harmonies or vocal effects
    - Adjust instrument tuning

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| audio | `audio` | The audio file to process. | `{"type":"audio","uri":"","asset_id":null,"data"...` |
| semitones | `float` | Number of semitones to shift the pitch. Positive values shift up, negative values shift down. | `0` |

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| output | `audio` |  |

## Related Nodes

Browse other nodes in the [lib.audio](./) namespace.