TTS to Raspbery / Windows (via MQTT and Python)

mhutchy · June 17, 2020, 4:04pm

Hi,

I wanted to come up with a cheap speaker solution without using a cloud based system. I couldn't find anything so I have written my own driver to use my Raspberry as a TTS speaker.

The hubitat driver creates the TTS mp3 and then puts the url on a MQTT topic. My raspberry is running a MQTT broker to receive the information from hubitat. The python script picks up the MQTT message and plays the mp3 on the speaker.

It will work on any linux / windows system with python installed, the MQTT broker does not need to be running on the same machine as the python script. Or you could have a few Raspberry Zeros as speakers with the MQTT running on a Raspberry4

This is the hubitat driver: (scroll down for the python script)

github.com

mhutchy/Hubitat-Drivers/blob/master/TTS to MQTT Driver

/**
 *  TTS
 *
 *  Copyright 2020 Mark Hutchings
 *
 * 	V0.1 Beta		
 *  
 *  This script sends the TTS information via MQTT to the receiving device which needs to be running
 *  this python script to send the TTS mp3 to the local speakers
 *       Script: https://github.com/mhutchy/Python/blob/master/MQTT%20TTS%20to%20speaker
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License. You may obtain a copy of the License at:
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
 *  on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
 *  for the specific language governing permissions and limitations under the License.
 *

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And this is the python script:

github.com

mhutchy/Python/blob/master/MQTT TTS to speaker

import paho.mqtt.client as mqtt
import platform
import os

print ("OS is",  platform.system())   

if (platform.system() == "Windows"):
    print ("Windows OS detected, importing playsound")
    from playsound import playsound

# The callback for when the client receives a CONNACK response from the server.
def on_connect(client, userdata, flags, rc):
    print("Connected with result code "+str(rc))

    # Subscribing in on_connect() means that if we lose the connection and
    # reconnect then subscriptions will be renewed.
    client.subscribe("hubitatTTS")

# The callback for when a PUBLISH message is received from the server.
def on_message(client, userdata, msg):

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system · September 24, 2022, 11:05am

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