May 15, 2025Open Access

Demystifying the Use of Compression in Virtual Production

Puntos clave

Hybrid codecs maintain quality while reducing storage needs, resulting in efficient production processes.
Results demonstrate that hybrid codecs can achieve equivalent quality to traditional methods at lower bitrates.
The assessment compares multiple codecs, including AV1 and HEVC, at various bitrates and GOP sizes.
Findings indicate a need for standardized methodologies in evaluating the impact of compression in virtual production.

Resumen

Virtual Production (VP) technologies enhance on-set filming and live concerts through high-resolution, high-brightness LED panels. Due to technical challenges like synchronization and color balancing, the industry prefers resource-intensive lossless compression for displays. Modern lossy standards (AV1, H.265) could maintain quality while reducing resource demands, yet no agreed methodology exists for assessing their in-camera impact. We present a method comparing lossless and lossy compressed footage displayed through VP screens and recorded in-camera. Our assessment compares HAP/NotchLC/Daniel2 intermediate codecs with hardware Nvidia Encoders (NVENC) using AV1/HEVC/H.264 compression at bitrates from 2–2000 Mbit/s with various GOP sizes using different perceptual quality metrics. Results demonstrate hybrid codecs achieve equivalent quality to intermediate encoders at significantly lower bitrates and storage requirements.

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Cite This Study

Vibhoothi et al. (Thu,) studied this question.

synapsesocial.com/papers/68af5210ad7bf08b1ead9554 https://doi.org/https://doi.org/10.5594/jmi.2025/mjpy7062

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