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n8n-nodes-ffmpeg-audio

v0.4.1

Published

n8n community node for audio processing with FFMPEG: merge/concatenate audio files (with optional crossfade and automatic sample-rate matching) and convert audio format, bit rate, and sample rate. FFMPEG binaries are bundled — no system install required.

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Links

Git

Maintainers

vissionvission

Keywords

n8n-community-node-packagen8nffmpegaudioaudio-processingmerge-audioconvert-audio

Readme

n8n-nodes-ffmpeg-audio

An n8n community node for audio processing with FFMPEG. Merge and convert audio files directly inside your workflows.

FFMPEG binaries are bundled with the node (via ffmpeg-static and ffprobe-static), so there is no need to install FFMPEG on the host or in your container.

Installation · Operations · Usage · Compatibility · Resources

Installation

Follow the community node installation guide in the n8n docs.

Via the n8n UI (recommended):

  1. Go to Settings → Community Nodes.
  2. Select Install.
  3. Enter n8n-nodes-ffmpeg-audio.
  4. Agree to the risks and select Install.

Via npm (self-hosted):

npm install n8n-nodes-ffmpeg-audio

Operations

This node provides an Audio resource with the following operations:

Merge Audio Files

Concatenates multiple audio files (read from the binary property of each incoming item) into a single output file.

  • Automatically detects sample-rate mismatches between inputs and resamples so tracks join cleanly.
  • Optional crossfade transition between tracks with a configurable duration.
  • Output formats: MP3, WAV, OGG, AAC.
  • Configurable bit rate (Auto or 8–320 kbps) and output file name.

Convert Audio

Converts each input audio file to a different format, bit rate, and/or sample rate. Processes each item independently and returns one output item per input.

  • Output formats: MP3, WAV, OGG, AAC, FLAC, M4A, WMA, OPUS.
  • Bit rate: keep original or 64–320 kbps.
  • Sample rate: keep original or 8000–96000 Hz.

Timeout

Both operations expose a Timeout (Seconds) option (default 300). Each FFMPEG/FFPROBE operation must finish within this window or the node fails with a clear error instead of hanging. Increase it for large files or long merges, or set it to 0 to wait indefinitely.

Usage

  1. Add the FFMPEG node to your workflow.
  2. Select the Audio resource and choose an operation.
  3. Set Binary Property to the name of the binary field holding your audio data (default data).
  4. Configure the output options and run.

Merge example: Use a Merge node (or multiple items) to feed several audio files into the node, set the operation to Merge Audio Files, enable Crossfade if desired, and the node returns a single merged file on the data binary property.

Binary path configuration (optional)

By default the node uses the bundled FFMPEG/FFPROBE binaries. To use your own binaries instead, set these environment variables on the n8n process:

| Variable | Description | | --- | --- | | FFMPEG_PATH | Absolute path to the ffmpeg binary. | | FFPROBE_PATH | Absolute path to the ffprobe binary. |

If a specified or bundled binary is not found, the node falls back to ffmpeg/ffprobe on the system PATH.

Compatibility

  • Requires n8n with community node support (n8nNodesApiVersion 1).
  • Bundled FFMPEG/FFPROBE binaries support Linux, macOS, and Windows (x64/arm64). Binaries ship inside the package as platform-specific dependencies — no postinstall download or outbound internet access is required, so the node works in pnpm-based n8n installs and locked-down environments.

Resources

License

MIT