Translate Telegram audio messages with AI (55 supported languages)
Use case
This workflow enables a Telegram bot that can:
- Accept speech input in one of 55 supported languages
- Automatically detect the language spoken and translate the speech to another language
- Responds back with the translated speech output.
This allows users to communicate across language barriers by simply speaking to the bot, which will handle the translation seamlessly.
How does it work?
Translation
In the translation step the workflow converts the user's speech input to text and detects the language of the input text.
If it's English, it will translate to French. If it's French, it will translate to English.
To change the default translation languages, you can update the prompt in the AI node.
Output
In the output step, we provide the translated text output back to the user and speech output is generated in the translated language.
Setup steps
- Obtain Telegram API Token
- Start a chat with the BotFather.
- Enter /newbot and reply with your new bot's display name and username.
- Copy the bot token and use it in the Telegram node credentials in n8n.
-
Update the Settings node to customize the desired languages
-
Activate the flow
Full list of supported languages
All supported languages:
Translate Telegram Audio Messages with AI (55+ Supported Languages)
This n8n workflow automates the transcription and translation of audio messages received in Telegram, leveraging OpenAI's Whisper and GPT models to provide translations in over 55 languages. It simplifies communication in multilingual environments by making audio content accessible in a preferred language.
What it does
- Listens for Telegram Messages: Triggers when a new message is received in a configured Telegram bot.
- Filters for Audio Messages: Checks if the incoming message contains an audio file.
- Transcribes Audio with OpenAI Whisper: If an audio message is detected, it uses OpenAI's Whisper model to transcribe the audio into text.
- Translates Text with OpenAI GPT: The transcribed text is then passed to an OpenAI GPT model, which translates it into the desired target language (e.g., English).
- Formats Output: The original message sender, the transcribed text, and the translated text are combined into a clear, readable format.
- Sends Translated Message to Telegram: The formatted output, containing both the transcription and translation, is sent back to the Telegram chat where the original audio message was received.
Prerequisites/Requirements
- n8n Instance: A running n8n instance.
- Telegram Bot: A Telegram bot token and a chat ID to receive and send messages.
- OpenAI API Key: An OpenAI API key with access to Whisper (for transcription) and GPT (for translation) models.
Setup/Usage
- Import the Workflow: Import the provided JSON into your n8n instance.
- Configure Telegram Trigger:
- Add your Telegram Bot Token credential to the "Telegram Trigger" node.
- Ensure the "Allowed Updates" are configured to include
messageorchannel_postto receive audio messages.
- Configure OpenAI Credentials:
- Add your OpenAI API Key credential to both the "OpenAI" node (for Whisper transcription) and the "OpenAI Chat Model" node (for GPT translation).
- Configure OpenAI Nodes:
- OpenAI (Whisper): Ensure the "Operation" is set to "Transcribe Audio" and the "Model" is set to "Whisper". The "Audio File" field should reference the Telegram audio file data (e.g.,
{{ $json.message.voice.file_id }}or{{ $json.message.audio.file_id }}). - OpenAI Chat Model (GPT): Configure the "Prompt" to instruct the model to translate the transcribed text into your desired language. For example: "Translate the following text into English: {{ $json.transcription }}".
- OpenAI (Whisper): Ensure the "Operation" is set to "Transcribe Audio" and the "Model" is set to "Whisper". The "Audio File" field should reference the Telegram audio file data (e.g.,
- Configure Telegram Node (Output):
- Add your Telegram Bot Token credential.
- Set the "Chat ID" to the appropriate chat where the translated message should be sent (e.g.,
{{ $json.message.chat.id }}). - Configure the "Text" field to include the original sender, the transcription, and the translation.
- Activate the Workflow: Save and activate the workflow.
Now, any audio message sent to your configured Telegram bot will be automatically transcribed, translated, and the result sent back to the chat.
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