What or soundbar are you using?
Whether you are a cinephile, a gamer, or a casual streamer, testing each channel (Left, Center, Right, Surround Left, Surround Right, and the Low-Frequency Effects channel) ensures you aren’t missing half the audio experience. The good news? You don’t have to buy expensive calibration discs. High-quality test files are available to if you know where to look. dolby digital 51 surround sound test video download free
This is the gold standard for home theater enthusiasts. The site hosts "Dolby Trailers" originally released on Blu-ray demo discs (e.g., The Dolby Experience , The Sound of High Definition ). What or soundbar are you using