What Kieran Kunhya has said about x264
1 quote · 1 episode · May 6, 2026
Kieran Kunhya, British codec engineer, longtime FFmpeg contributor, founder of Open Broadcast Systems and the person behind the FFmpeg account on X, has been quoted on x264 once in 1 episode of Lex Fridman Podcast, most recently on May 6, 2026. Each quote below is verbatim and links to the moment it was said.
In their words
Kunhya said x264's breakthrough was rejecting PSNR-driven optimization in favour of psychovisual rate distortion and adaptive quantization.
“Two big things, psychovisual rate distortion. So using block energy, trying to compensate for human perception when making decisions”
Lex Fridman Podcast: #496 – FFmpeg: The Incredible Technology Behind Video on the Internet (May 6, 2026) · Listen from 2:56:25
Episodes
#496 – FFmpeg: The Incredible Technology Behind Video on the InternetLex Fridman Podcast · May 6, 2026 · 4 h 24 min
Jean-Baptiste Kempf and Kieran Kunhya explain FFmpeg, VLC, video codecs, handwritten assembly, open-source maintainer burnout and the Google security drama with Lex Fridman.
Kieran Kunhya on other topics
- FFmpeg · 2 quotes
- Video codecs · 2 quotes
- FFV1 and digital video archiving · 1 quote
- Rust (programming language) · 1 quote
- Assembly language and SIMD optimization · 1 quote
- Open source maintainer burnout · 1 quote