Generate a poster on the principles of high-resolution audio decoding, without needing a complete headphone or speaker product image. The background is deep black, with some restrained golden-brown mist in some areas. The top left-side alignment uses a bold white sans-serif headline titled "High-Resolution Audio / Clear Detail Presentation," with three lines of gray white below stating "Preserving musical layering to make sound more natural and spacious." Below the title, two warm gold selling points—"Wide Band" and "HD Transmission"—are displayed horizontally, without using protocol names, hertz, bit depth, or multiples.
In the lower middle part of the image, there are floating gold-bronze speaker diaphragms and ring-shaped golden sound waves, surrounded by fine golden particles and abstract dark grids, expressing the layered diffusion of sound. At the very bottom, there's a low-rounded black-gray panel titled "Clarity Performance Comparison," using two progress bars—warm gold and dark gray—to compare "High Resolution Transfer" and "Regular Transfer," without revealing specific speed or brand. Clear fonts and restrained lighting effects avoid original image protocol names, specific parameters, original brands, footnotes, watermarks, and obviously exaggerated promises.