Optimizing your network for streaming high-quality audio requires a few key steps:

1. Perform a speedtest to discover your network’s bandwidth capabilities.
2. Test streaming performance by playing an audio file of a similar size to the ones you want to stream.
3. Find out what process or applications are sapping your network's resources.
4. Disable unneeded services, applications, and processes.
5. Check for background updates that can cause streaming issues.
6. Try different streaming protocols to increase sound quality.
7. Ensure consistent wireless coverage throughout your home.