Tag Archives: Encoding your video

alt

Encoding Brief: The Benefit of B-frames

Executive Summary: B-frames increase compression efficiency, particularly at lower bitrates. However, not all video encoders deliver the requested number of B-frames when encoding using default parameters. Telestream Switch is a software program that identifies B-frames in encoded streams, and computes the overall B-frame percentage. Compressionists seeking the most efficient streams …

Read More »

Why I like VQM better than PSNR or SSIM

Author’s notes: 1. VMAF is now my metric of choice.  2. Since the first publication, I converted SSIM to decibel form using this formula from the Video Codec Testing and Quality Measurement : -10 * log10 (1 – SSIM) As it turns out, the results are the same (no comparisons …

Read More »