AudioRelay
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FAQ

Frequently Asked Questions

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.

Got a white screen on startup?

Please follow these instructions.

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 Wi-Fi
  • Connect your PC and your phone via USB​
  • If available, try to switch between 2GHz and 5GHz Wi-Fi networks, pick whichever works best (5GHz will probably be vastly superior!)
  • Try to change the channel of your Wi-Fi network (You can find the least congested channel via this app)
  • Simply disabling and re-enabling the Wi-Fi 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.

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
  • Make sure you're not on a guest network
  • If using a VPN app, make sure its settings allow LAN traffic
    • Enable options such as "Allow LAN traffic"
    • Disable options such as "Make invisible on LAN"
  • If both the PC and the phone are on Wi-Fi, you could check if both of them are on the same frequency (2GHz vs 5GHz)
  • Try to temporarily disable your firewall
    • If this works, you'll need to add an exception for AudioRelay in your firewall's settings
  • Modifying your Wi-Fi connection could help (absolutely try this if you have connection issues in other apps too)
    • On your phone, open your Wi-Fi settings
    • Find how to modify your saved Wi-Fi network (try a long-press on it)
    • Click advanced options
    • Change the IP settings from DHCP to Static
      • (After testing, you can revert back to DHCP to go back to normal)
    • Choose an IP address (e.g: 192.168.1.100)
    • Set the DNS value to 8.8.8.8
    • Save
  • 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
    • Port isolation
  • If you're on Windows
    • If you unchecked the Add firewall rules during installation, reinstall the app and make sure this option is checked
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
  • Click on Exclusive audio
  • Select one of the Deactivated option

How to fix the error: Child process exited with code 1

Try these solutions:
  • Make sure your graphics card driver is up to date
  • Follow these instructions to switch to software rendering
If the issue is still present, please do this:
  • Open a command prompt
  • Run cd "c:\Program Files (x86)\AudioRelay"
  • Run .\runtime\bin\java.exe -cp "app/audiorelay.jar" com.azefsw.audioconnect.desktop.app.MainKt > %USERPROFILE%/desktop/output.log 2>&1
It’ll create an output.log file on your Desktop which could show any error not brought up by the app. Send the file at [email protected] or create a new topic.

How to fix the error: COMException - 0x88890008?

It means that AudioRelay can't use the audio format used by your audio device.
  1. 1.
    Disable any audio or sound apps on your PC
    • Examples:
      • Nahimic
      • Sonic Studio
      ​
  2. 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

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
Otherwise, please create a new topic here mentioning any error message.

There's no sound

You connected your Android device, 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.

Still got a question?

You can reach us at [email protected] or post on the forum.
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Last modified 3mo ago