bitrateoptimization
Bitrate optimization refers to selecting encoding parameters to maximize perceptual quality given constraints on bandwidth, storage, and latency. It encompasses adjusting quantization, frame rate, resolution, and coding modes to meet specified bitrate budgets while minimizing perceived loss.
Key concepts include rate control modes such as constant bitrate (CBR), variable bitrate (VBR), and adaptive
Techniques include quantization parameter (QP) selection, quantization matrices, and reference frame decisions; content-adaptive encoding with scene
In streaming, bitrate ladders and ABR algorithms select from multiple encodings to adapt to network conditions;
Applications span online video platforms, broadcasting, and professional video production. Trade-offs include computational complexity and latency;