Audio & Video Quality
Pick a higher bitrate or a higher resolution and the file gets bigger. But how much better does it actually sound or look? These guides answer that with original audio samples and clear visual comparisons.
MP3 Bitrate: 128 vs 192 vs 320 kbps
What bitrate means, when each makes sense, with original audio samples.
320 vs 128 kbps — Audible Difference Deep-Dive
Blind-test reality, encoder quality, VBR vs CBR, and the garbage-in-garbage-out problem.
YouTube Audio Quality Explained
What bitrate and codec YouTube actually serves to free and Premium users.
Video Resolution Guide: 720p vs 1080p vs 4K
Pixel counts, file sizes, what YouTube serves, and which resolution to pick.