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166 lines
5.8 KiB
ReStructuredText
Voice Assistant
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===============
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.. seo::
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:description: Instructions for setting up a Voice Assistant in ESPHome.
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:image: voice-assistant.svg
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ESPHome devices with a microphone are able to stream the audio to Home Assistant and be processed there by `assist <https://www.home-assistant.io/voice_control/>`__.
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.. note::
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Voice Assistant requires Home Assistant 2023.5 or later.
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.. warning::
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Audio and voice components consume a significant amount of resources (RAM, CPU) on the device.
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**Crashes are likely to occur** if you include too many additional components in your device's
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configuration. In particular, Bluetooth/BLE components are known to cause issues when used in
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combination with Voice Assistant and/or other audio components.
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Configuration:
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--------------
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.. code-block:: yaml
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microphone:
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- platform: ...
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id: mic_id
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voice_assistant:
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microphone: mic_id
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- **microphone** (**Required**, :ref:`config-id`): The :doc:`microphone </components/microphone/index>` to use for input.
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- **speaker** (*Optional*, :ref:`config-id`): The :doc:`speaker </components/speaker/index>` to use to output the response.
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Cannot be used with ``media_player`` below.
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- **media_player** (*Optional*, :ref:`config-id`): The :doc:`media_player </components/media_player/index>` to use
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to output the response. Cannot be used with ``speaker`` above.
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- **use_wake_word** (*Optional*, boolean): Enable wake word on the assist pipeline. Defaults to ``false``.
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- **on_listening** (*Optional*, :ref:`Automation <automation>`): An automation to
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perform when the voice assistant microphone starts listening.
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- **on_start** (*Optional*, :ref:`Automation <automation>`): An automation to
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perform when the assist pipeline is started.
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- **on_wake_word_detected** (*Optional*, :ref:`Automation <automation>`): An automation
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to perform when the assist pipeline has detected a wake word.
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- **on_end** (*Optional*, :ref:`Automation <automation>`): An automation to perform
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when the voice assistant is finished all tasks.
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- **on_stt_end** (*Optional*, :ref:`Automation <automation>`): An automation to perform
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when the voice assistant has finished speech-to-text. The resulting text is
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available to automations as the variable ``x``.
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- **on_tts_start** (*Optional*, :ref:`Automation <automation>`): An automation to perform
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when the voice assistant has started text-to-speech. The text to be spoken is
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available to automations as the variable ``x``.
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- **on_tts_end** (*Optional*, :ref:`Automation <automation>`): An automation to perform
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when the voice assistant has finished text-to-speech. A URL containing the audio response
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is available to automations as the variable ``x``.
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- **on_error** (*Optional*, :ref:`Automation <automation>`): An automation to perform
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when the voice assistant has encountered an error. The error code and message are available to
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automations as the variables ``code`` and ``message``.
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- **on_client_connected** (*Optional*, :ref:`Automation <automation>`): An automation to perform
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when Home Assistant has connected and is waiting for Voice Assistant commands.
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- **on_client_disconnected** (*Optional*, :ref:`Automation <automation>`): An automation to perform
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when Home Assistant disconnects from the Voice Assistant.
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- **noise_suppression_level** (*Optional*, integer): The noise suppression level to apply to the assist pipeline.
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Between 0 and 4 inclusive. Defaults to 0 (disabled).
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- **auto_gain** (*Optional*, dBFS): Auto gain level to apply to the assist pipeline.
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Between 0dBFS and 31dBFS inclusive. Defaults to 0 (disabled).
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- **volume_multiplier** (*Optional*, float): Volume multiplier to apply to the assist pipeline.
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Must be larger than 0. Defaults to 1 (disabled).
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.. _voice_assistant-actions:
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Voice Assistant Actions
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-----------------------
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The following actions are available for use in automations:
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``voice_assistant.start``
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^^^^^^^^^^^^^^^^^^^^^^^^^
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Listens for one voice command then stops.
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Configuration variables:
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- **silence_detection** (*Optional*, boolean): Enable silence detection. Defaults to ``true``.
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Call ``voice_assistant.stop`` to signal the end of the voice command if ``silence_detection`` is set to ``false``.
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``voice_assistant.start_continuous``
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Start listening for voice commands. This will start listening again after
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the response audio has finished playing. Some errors will stop the cycle.
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Call ``voice_assistant.stop`` to stop the cycle.
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``voice_assistant.stop``
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^^^^^^^^^^^^^^^^^^^^^^^^
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Stop listening for voice commands.
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Voice Assistant Conditions
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--------------------------
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The following conditions are available for use in automations:
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- ``voice_assistant.is_running`` - Returns true if the voice assistant is currently running.
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Wake word detection
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-------------------
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See our `example YAML files on GitHub <https://github.com/esphome/firmware/blob/main/voice-assistant/m5stack-atom-echo.yaml>`__ for continuous wake word detection.
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Push to Talk
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------------
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Here is an example offering Push to Talk with a :doc:`/components/binary_sensor/index`.
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.. code-block:: yaml
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voice_assistant:
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microphone: ...
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speaker: ...
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binary_sensor:
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- platform: gpio
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pin: ...
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on_press:
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- voice_assistant.start:
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silence_detection: false
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on_release:
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- voice_assistant.stop:
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Click to Converse
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-----------------
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.. code-block:: yaml
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voice_assistant:
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microphone: ...
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speaker: ...
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binary_sensor:
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- platform: gpio
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pin: ...
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on_click:
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- if:
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condition: voice_assistant.is_running
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then:
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- voice_assistant.stop:
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else:
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- voice_assistant.start_continuous:
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See Also
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--------
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- :doc:`microphone/index`
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- :apiref:`voice_assistant/voice_assistant.h`
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- :ghedit:`Edit`
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