FAQ - AudioRelay

AudioRelay

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AudioRelay

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Cast all the audio from your PC to Google Home

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Preview version available
Use your phone as a mic for PC
Stream between Android devices (Android 10+)
Stream from Android to PC (Android 10+)
Available for Windows, MacOS and Linux
​Get it here​
Is it possible to connect multiple devices?
Yes, you just need to purchase premium in 1 of your Android devices.
After purchasing premium, just connect the device to the server. This will unlock the multi-connection feature until the server is restarted.
The feature will stay unlocked even if the device with premium is no longer connected. But it will be locked again if you stop the server application.
Performances degrade when the app is in the background
Some phone manufacturers try to increase battery life as much as possible. But it's sometimes to the detriment of long running apps such as AudioRelay.
Please try the suggestions from this site.
How to improve audio quality?
To reduce latency, AudioRelay sends the audio data on your device's "fast path". But on some devices, this results in a quality loss. (Confirmed on Xiaomi phones)
To fix this, try the AudioTrack output in the Android app settings. Note that this could increase the audio latency.
Inside the Android app, go to settings
Audio output
Select AudioTrack
Uncheck low latency
Otherwise, check that Windows is emitting the sound to a format of at least 48kHz 
Type sound settings in the Windows search bar
Device properties
Click on Additional properties at the bottom
Advanced
Change the default format
Why is the volume so low?
The audio's volume received by AudioRelay can sometimes be tied to the volume of your PC. 
Try to increase the volume in Windows before muting your PC.
There's a lot of latency when listening through a Bluetooth device
Unfortunately, audio played over Bluetooth is inherently going to have latency. You can observe the delay of your headset by playing with a soundboard app, or using this one.
If you don't notice any latency when using YouTube, it's because videos apps can compensate for the lag by synchronizing both the image and the audio. You can still notice the audio delay by pausing and resuming a video.
How to reduce lags and packet loss?
If you don't need Bluetooth, deactivate it. It can cause interferences
Try to be closer to your router
Connect your PC via ethernet instead of Wifi
Connect your PC and your phone via USB​
If available, try to switch between 2GHz and 5GHz Wifi networks, pick whichever works best (5GHz will probably be vastly superior!)
Try to change the channel of your Wifi network (You can find the least congested channel via this app)
Simply disabling and re-enabling the Wifi can help
Your connection is OK but the latency is still a bit high
As noted above, if you're listening through a Bluetooth device, the latency is expected
The mean latency in the app is around 0 ms, the latency graph is flat and there's 0% of packet loss but you notice some latency. 
Try this if the Buffer value is near or above 100 ms
Make sure that you've selected OpenSL ES in the Audio output settings
Make sure that you've selected the Low buffer setting in the Buffer amount settings. 
If that's already the case, select the Custom setting [PREMIUM REQUIRED]
Set the Maximum buffer to something between 30 and 50 ms. 10 ms will probably too low to be sustainable.
Your PC doesn't appear in the app
First, try to simply reconnect to your Wifi on your phone. If this didn't work, try to manually connect
On the app, click on the 3 dots button in the upper right corner
Click on Connect manually...
Enter the IP address displayed in the server
Click connect
The app can't connect to your computer
Here are a few things to test
Make sure both the devices are connected, and on the same network
Follow the instructions via the Check firewall button in the server
Make sure you're not on a guest network
If using a VPN app, make sure its settings allow LAN traffic
Search for something like "Allow LAN traffic", "Make invisible on LAN"
If both the PC and the phone are on Wifi, you could check if both of them are on the same frequency (2GHz vs 5GHz)
Your router could be preventing devices from communicating between them. You could search for one of these terms in your router settings and deactivate the option if not needed:
AP (access point) isolation
Client Isolation
Guest Mode
You can confirm that both devices can communicate with each other by sending pings (Try this app)​
If you can ping successfully, and you've checked the suggestions above
Check that the port 59100 isn't used by another application. To find out, run the command netstat -ano | findstr "59100" 
If you have Hyper-V enabled, check if 59100 is reserved by the system. Read more here​
​
How to listen to music or a call at the same time as AudioRelay?
By default, AudioRelay will stop streaming if another app requests to play audio. Respecting what's called Audio focus in Android.
You can disable this behavior
Inside the Android app, go to settings
Uncheck Exclusive audio
How to fix the error COMException - 0x88890008?
It means that AudioRelay can't use the audio format used by your audio device. 
1.Disable any audio or sound apps on your PC
Examples:
Nahimic 
Sonic Studio
​
2.Try different formats and disable sound enhancements
Type sound settings in Windows search
Click on the Sound Control Panel (below or on the right)
Right-click on your playback device, click on properties
Disable all enhancements
Try a different format
Right-click on your playback device, click on configure speakers and try different settings
If nothing worked, please create a new topic here mentioning any error message.
ClientListenerException (Socket error 10013) / BIND_SOCKET_ERROR
​Please check this post​
Reduce the CPU usage on Windows
AudioRelay's CPU usage should be quite low. However, it can increase if your playback device is outputting to more than 2 channels. If you only need stereo, try this
Type sound settings in Windows search
Click on the Sound Control Panel (below or on the right)
Right-click on your playback device
Click on Properties
Click on Configure speakers
Select stereo
The app tries to constantly reconnect
Be sure to have the latest server and app versions
On Windows: Restart the server, it will show a message if an update is available
On Android: Visit AudioRelay's Google Play page​
Otherwise, please create a new topic here mentioning any error message.
There's no sound
Your Android device is connected but the server says that it doesn't detect any sound.
In the Desktop app, disable the EventSync option.
My PC has no audio device
Please follow these instructions.
Is your audio sent anywhere?
The server only sends your audio data on your network, to your connected devices. It's not sent anywhere else.
This FAQ didn't answer your question
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