Приглушение ТВ на время команды

Проблема

При общении с Алисой (в первую очередь в колонке) она слышит все голоса в комнате, в том числе из телевизора - и порой реагирует на неё.

Приходится брать пульт и выключать звук вручную, и вся прелесть использования голосового помощника сходит на нет.

Решение

Нам понадобится:

• Home Assistant,
• IR-Remote,
• Колонка с алисой,
• Телевизор.
• Интеграция от AlexIT. Она умеет отдавать в HA состояние колонки. Если колонка не простаивает (статус Idle), тогда сработает цепочка в Node-RED.
• Дополнительный "Бинарный переключатель" для автоматизации: Skript отправляет команду по MQTT на IR-Remote (прошивка Tasmota).

У меня не смарт-ТВ, но имеется порт Ethernet для DLNA.
Автоматизация проверяет, включен ли телевизор, чтобы не производить ненужных действий. 
Если телевизор имеет смарт-функции и заведен как устройство в Home Assistant - IR-Remote не понадобится.

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Код Node-RED и комментарии

Данный код добавляется в Node-RED через импорт. Далее необходимо перенастроить ноды под свою конфигурацию. Дополнительно нужно создать бинарный переключатель tvmute в configuration.yaml

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