Apple’s Bitrate Control Strategy: Do as I Do, Not as I Say – Streaming Learning Center

As you probably know, Apple recently made sweeping changes to their HLS recommendations, including changing from 110% constrained VBR for VOD in TN2224, to 200% constrained VBR in the HLS Authoring Specifications for Apple Devices (1.23. For VOD content the peak bit rate SHOULD be no more than 200% of the average bit rate). This was concerning to me because as I explained in my article Bitrate Control and QoE-CBR is Better, under certain conditions, 200% constrained VBR could seriously degrade the quality of experience (QoE) to viewers.

Source: Apple’s Bitrate Control Strategy: Do as I Do, Not as I Say – Streaming Learning Center

Advertisements