Putting sound through hdmi didn’t work for me neither. Only USB and headphone jack worked for me for speakers. The mic has to be a usb one though.
Read the statement by Michael Teeuw here.
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RE: Conversation Error: { Error: 14 UNAVAILABLE: Service unavailable.
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RE: Conversation Error: { Error: 14 UNAVAILABLE: Service unavailable.@09succotash Go to your desktop. Right click on the volume icon. Choose your recording and playback devices. Adjust their volumes to max in audio device settings.  
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RE: Don't know how to configure a moduleThank you very much! I put only 3 digits of the bus stop code and it works perfectly.  
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RE: Google assistant wrong locationI solved the problem. Had to change the coordinates of the device location. 
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Don't know how to configure a moduleI want to use a 3rd party module in the mirror but its description lacks in an example of how to set it up. 
 It’s a module that displays Barcelona TMB metro train and bus times. https://github.com/jaumebosch/MMM-TMBI already followed the steps required but the module keeps “loading” and no time tables show up. Here is the code that I put in the “modules” array: { 
 module: “MMM-TMB”,
 position: “bottom_right”, // This can be any of the regions.
 config: {
 appId: “e667ba4d”,
 appKey: “4cce2cd5c009e7b2368a61f89e909733”,
 busStopCode: “000921”,// See below for configurable options } },It’s a bit different to the one posted by its’ creator because that one made the whole MagicMirror program crash. I’d appreciate any advice. 
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Google assistant wrong locationWhen I ask google what time is it, it answers the time of Seoul. I live in Spain so I need to change that. The location might be set as Seoul because of the default setting. Can anyone tell me how to change it? 
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RE: Conversation Error: { Error: 14 UNAVAILABLE: Service unavailable.I solved it!!. The assistant mk2 module now hears to my mic! and answers! 
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RE: Conversation Error: { Error: 14 UNAVAILABLE: Service unavailable.Still doesn’t work. It shouldn’t be a mic problem because it gets detected and I can record myself. Getting this log: pi@raspberrypi:~ $ cd MagicMirror 
 pi@raspberrypi:~/MagicMirror $ npm startmagicmirror@2.9.0 start /home/pi/MagicMirror 
 sh run-start.shStarting MagicMirror: v2.9.0 
 Loading config …
 Loading module helpers …
 No helper found for module: alert.
 Initializing new module helper …
 Module helper loaded: updatenotification
 No helper found for module: clock.
 Initializing new module helper …
 Module helper loaded: calendar
 No helper found for module: compliments.
 No helper found for module: currentweather.
 No helper found for module: weatherforecast.
 Initializing new module helper …
 Module helper loaded: newsfeed
 Initializing new module helper …
 Module helper loaded: MMM-Hotword
 Initializing new module helper …
 Module helper loaded: MMM-AssistantMk2
 All module helpers loaded.
 Starting server on port 8080 …
 Server started …
 Connecting socket for: updatenotification
 Connecting socket for: calendar
 Starting node helper for: calendar
 Connecting socket for: newsfeed
 Starting module: newsfeed
 Connecting socket for: MMM-Hotword
 [HOTWORD] MMM-Hotword starts
 Connecting socket for: MMM-AssistantMk2
 Sockets connected & modules started …
 Launching application.
 Create new calendar fetcher for url: http://www.calendarlabs.com/ical-calendar/ics/76/US_Holidays.ics - Interval: 300000
 Create new news fetcher for url: http://www.nytimes.com/services/xml/rss/nyt/HomePage.xml - Interval: 300000
 [AMK2] Recipe is loaded: hide_and_show_all_modules.js
 [AMK2] Recipe is loaded: reboot.js
 [AMK2] Recipe is loaded: screen_onoff.js
 [AMK2] Recipe is loaded: shutdown.js
 [AMK2] Temporal storage directory is clearing.
 [HOTWORD] begins.
 [HOTWORD] Detector starts listening.
 [HOTWORD] stops.
 [HOTWORD] Final Result: { detected: false }
 [HOTWORD] begins.
 [HOTWORD] Detector starts listening.
 [AMK2] assistant ready
 [AMK2] Conversation starts.
 [AMK2] Assistant Text Response:
 [AMK2] Conversation Error: { Error: 14 UNAVAILABLE: Service unavailable.
 at Object.exports.createStatusError (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/common.js:91:15)
 at ClientDuplexStream._emitStatusIfDone (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client.js:233:26)
 at ClientDuplexStream._receiveStatus (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client.js:211:8)
 at Object.onReceiveStatus (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client_interceptors.js:1306:15)
 at InterceptingListener._callNext (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client_interceptors.js:568:42)
 at InterceptingListener.onReceiveStatus (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client_interceptors.js:618:8)
 at /home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client_interceptors.js:1123:18
 code: 14,
 metadata:
 Metadata { _internal_repr: { ‘content-disposition’: [Array] }, flags: 0 },
 details: ‘Service unavailable.’ }
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Conversation Error: { Error: 14 UNAVAILABLE: Service unavailable.I have a problem when I start the magic mirror. Everything seems to boot as it should but the google assistant does not listen to me. So I press the widget to start it manually but doesn’t listen either. Here you can see the part of the log where it gets errors: [HOTWORD] begins. 
 [HOTWORD] Detector starts listening.
 [HOTWORD] stops.
 [HOTWORD] Final Result: { detected: false }
 [HOTWORD] begins.
 [HOTWORD] Detector starts listening.
 [AMK2] assistant ready
 [AMK2] Conversation starts.
 [AMK2] Started with text query: brief today
 { requestId: ‘5dbd29c0-0000-2458-852e-089e08276030’ } { profileFile: ‘default.json’, lang: ‘en-US’ }
 [AMK2] Device Action: { requestId: ‘5dbd29c0-0000-2458-852e-089e08276030’ }
 [AMK2] Assistant Text Response:
 [AMK2] Conversation Completed
 [HOTWORD] stops.
 [HOTWORD] Final Result: { detected: false }
 [HOTWORD] begins.
 [HOTWORD] Detector starts listening.
 [AMK2] assistant ready
 [AMK2] Conversation starts.
 [AMK2] Assistant Text Response:
 [AMK2] Conversation Error: { Error: 14 UNAVAILABLE: Service unavailable.
 at Object.exports.createStatusError (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/common.js:91:15)
 at ClientDuplexStream._emitStatusIfDone (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client.js:233:26)
 at ClientDuplexStream._receiveStatus (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client.js:211:8)
 at Object.onReceiveStatus (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client_interceptors.js:1306:15)
 at InterceptingListener._callNext (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client_interceptors.js:568:42)
 at InterceptingListener.onReceiveStatus (/home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client_interceptors.js:618:8)
 at /home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/client_interceptors.js:1123:18
 code: 14,
 metadata:
 Metadata { _internal_repr: { ‘content-disposition’: [Array] }, flags: 0 },
 details: ‘Service unavailable.’ }   
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Failed at the magicmirror@2.9.0 start scriptHi, 
 I was trying to run the mirror but it crashes after 5 seconds. It started well and could see and hear the google assistant popping up but then the program closes itself. Any advice would be highly appreciated.Here you can see the log; pi@raspberrypi:~ $ cd MagicMirror pi@raspberrypi:~/MagicMirror $ npm start > magicmirror@2.9.0 start /home/pi/MagicMirror > sh run-start.sh Starting MagicMirror: v2.9.0 Loading config ... Loading module helpers ... No helper found for module: alert. Initializing new module helper ... Module helper loaded: updatenotification No helper found for module: clock. Initializing new module helper ... Module helper loaded: calendar No helper found for module: compliments. No helper found for module: currentweather. No helper found for module: weatherforecast. Initializing new module helper ... Module helper loaded: newsfeed Initializing new module helper ... Module helper loaded: MMM-Hotword Initializing new module helper ... Module helper loaded: MMM-AssistantMk2 All module helpers loaded. Starting server on port 8080 ... Server started ... Connecting socket for: updatenotification Connecting socket for: calendar Starting node helper for: calendar Connecting socket for: newsfeed Starting module: newsfeed Connecting socket for: MMM-Hotword [HOTWORD] MMM-Hotword starts Connecting socket for: MMM-AssistantMk2 Sockets connected & modules started ... Launching application. Create new calendar fetcher for url: http://www.calendarlabs.com/ical-calendar/ics/76/US_Holidays.ics - Interval: 300000 Create new news fetcher for url: http://www.nytimes.com/services/xml/rss/nyt/HomePage.xml - Interval: 300000 [AMK2] Recipe is loaded: hide_and_show_all_modules.js [AMK2] Recipe is loaded: reboot.js [AMK2] Recipe is loaded: screen_onoff.js [AMK2] Recipe is loaded: shutdown.js [AMK2] Temporal storage directory is clearing. [HOTWORD] begins. [HOTWORD] Detector starts listening. [HOTWORD] stops. [HOTWORD] Final Result: { detected: false } [HOTWORD] begins. [HOTWORD] Detector starts listening. [AMK2] assistant ready /home/pi/MagicMirror/node_modules/electron/dist/electron js/electron.js: symbol lookup error: /home/pi/MagicMirror/modules/MMM-AssistantMk2/node_modules/grpc/src/node/extension_binary/electron-v3.0-linux-arm-glibc/grpc_node.node: undefined symbol: __atomic_store_8 npm ERR! code ELIFECYCLE npm ERR! syscall spawn npm ERR! file sh npm ERR! errno ENOENT npm ERR! magicmirror@2.9.0 start: `sh run-start.sh` npm ERR! spawn ENOENT npm ERR! npm ERR! Failed at the magicmirror@2.9.0 start script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm ERR! A complete log of this run can be found in: npm ERR! /home/pi/.npm/_logs/2019-10-24T19_30_25_417Z-debug.log