A digital character (like a humming hummingbird) flies in a perfect circle around your head. You use your remote or mouse to "track" the bird. If the audio doesn't match the bird's visual position, you know a speaker is misaligned.
It then automatically generates a (Digital Signal Processing) to "center" the audio perfectly, even if your couch is closer to the left wall than the right. surround sound test 7.1
Your side surrounds should be at 90° to 110° (slightly behind your ears). Your rear backs should be at 135° to 150°. If your rears are too close together behind the couch, they will collapse into a mono "blob" of sound. A digital character (like a humming hummingbird) flies
Pink noise is boring. Once the wiring is correct, you want to test dynamics and separation . These Blu-ray scenes are the gold standard for 7.1 audio: If your rears are too close together behind
5.1 vs 7.1 Surround Sound: What's the Difference? | Sonos Blog
A proper 7.1 test takes 5 minutes but saves you years of bad audio. Run the pink noise test monthly (dust and humidity change speaker impedance). Run the movie tests annually to make sure your receiver hasn't reset its settings.