AI - Transcribe

Type identifier: ai:transcribe Category: AI Operations

Description

The AI - Transcribe node converts spoken audio into text using OpenAI's Whisper model. It supports various audio formats and can handle multiple languages.

Input Handles

Handle	Type	Description
`audio`	`file`	The audio file to transcribe.

Output Handles

Handle	Type	Description
`transcription`	`string`	The transcribed text content.

Configuration Options

Option	Type	Default	Description
Model	`"openai:whisper-1"`	`"openai:whisper-1"`	The transcription model to use.

See AI - Model Reference — Transcribe Models for the canonical model list.

Behaviour

Receives audio file from input handle
Transcribes the audio with the selected model
Returns the transcribed text

Supported Audio Formats

MP3
MP4
MPEG
MPGA
M4A
WAV
WEBM

Language Support

Whisper automatically detects the spoken language and provides transcription. It supports multiple languages with varying levels of accuracy.

File Size Limits

Audio files have size limits imposed by the API. Large recordings may need to be split.

Examples

Basic Audio Transcription

Input: Audio recording of a meeting

Output (transcription):

"Good morning everyone. Today we'll discuss the Q3 roadmap.
First, let's review the progress from last quarter..."

Voice Message Processing

Flow:

UX - Action receives audio from user
AI - Transcribe converts to text
AI - Chat Message processes the transcription

Multi-Language Support

Use case: Transcribe customer support calls in various languages, then translate or analyse the content.

AI - Chat Message

The AI - Chat Message node enables conversations with large language models (LLMs) from multiple providers including OpenAI, Anthropic, Google AI, and Groq. It supports dynamic message templates with variable interpolation, streaming responses, extended thinking, and AI actions (tool use).

AI - Text to Speech

The AI - Text to Speech node generates realistic spoken audio from text input using OpenAI's text-to-speech models. It supports multiple voice options and quality levels, returning an audio file that can be used in Experiences or stored.

Media - Audio Process

The Media - Audio Process node performs audio processing operations on audio files. It supports a variety of operations including speed adjustment, volume normalisation, noise reduction, segment extraction, format conversion, pitch shifting, and fade effects.