A Low-Latency 4K HEVC Multi-Channel Encoding System with Content-Aware Bitrate Control for Live Streaming

Daisuke KOBAYASHI; Ken NAKAMURA; Masaki KITAHARA; Tatsuya OSAWA; Yuya OMORI; Takayuki ONISHI; Hiroe IWASAKI

doi:10.1587/transinf.2022EDP7048

IEICE TRANSACTIONS on Information

A Low-Latency 4K HEVC Multi-Channel Encoding System with Content-Aware Bitrate Control for Live Streaming

Daisuke KOBAYASHI, Ken NAKAMURA, Masaki KITAHARA, Tatsuya OSAWA, Yuya OMORI, Takayuki ONISHI, Hiroe IWASAKI

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This paper describes a novel low-latency 4K 60 fps HEVC (high efficiency video coding)/H.265 multi-channel encoding system with content-aware bitrate control for live streaming. Adaptive bitrate (ABR) streaming techniques, such as MPEG-DASH (dynamic adaptive streaming over HTTP) and HLS (HTTP live streaming), spread widely on Internet video streaming. Live content has increased with the expansion of streaming services, which has led to demands for traffic reduction and low latency. To reduce network traffic, we propose content-aware dynamic and seamless bitrate control that supports multi-channel real-time encoding for ABR, including 4K 60 fps video. Our method further supports chunked packaging transfer to provide low-latency streaming. We adopt a hybrid architecture consisting of hardware and software processing. The system consists of multiple 4K HEVC encoder LSIs that each LSI can encode 4K 60 fps or up to high-definition (HD) ×4 videos efficiently with the proposed bitrate control method. The software takes the packaging process according to the various streaming protocol. Experimental results indicate that our method reduces encoding bitrates obtained with constant bitrate encoding by as much as 56.7%, and the streaming latency over MPEG-DASH is 1.77 seconds.

Publication: IEICE TRANSACTIONS on Information Vol.E106-D No.1 pp.46-57

Publication Date: 2023/01/01

Publicized: 2022/09/30

Online ISSN: 1745-1361

DOI: 10.1587/transinf.2022EDP7048

Type of Manuscript: PAPER

Category: Image Processing and Video Processing

Authors

Daisuke KOBAYASHI
  NTT Corporation
Ken NAKAMURA
  NTT Corporation
Masaki KITAHARA
  NTT Corporation
Tatsuya OSAWA
  NTT Corporation
Yuya OMORI
  NTT Corporation
Takayuki ONISHI
  NTT Corporation
Hiroe IWASAKI
  NTT Corporation,Tokyo University of Agriculture and Technology

Keyword

multi-channel encoding, MPEG-DASH, HEVC, low-latency, CMAF

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Daisuke KOBAYASHI, Ken NAKAMURA, Masaki KITAHARA, Tatsuya OSAWA, Yuya OMORI, Takayuki ONISHI, Hiroe IWASAKI, "A Low-Latency 4K HEVC Multi-Channel Encoding System with Content-Aware Bitrate Control for Live Streaming" in IEICE TRANSACTIONS on Information, vol. E106-D, no. 1, pp. 46-57, January 2023, doi: 10.1587/transinf.2022EDP7048.
Abstract: This paper describes a novel low-latency 4K 60 fps HEVC (high efficiency video coding)/H.265 multi-channel encoding system with content-aware bitrate control for live streaming. Adaptive bitrate (ABR) streaming techniques, such as MPEG-DASH (dynamic adaptive streaming over HTTP) and HLS (HTTP live streaming), spread widely on Internet video streaming. Live content has increased with the expansion of streaming services, which has led to demands for traffic reduction and low latency. To reduce network traffic, we propose content-aware dynamic and seamless bitrate control that supports multi-channel real-time encoding for ABR, including 4K 60 fps video. Our method further supports chunked packaging transfer to provide low-latency streaming. We adopt a hybrid architecture consisting of hardware and software processing. The system consists of multiple 4K HEVC encoder LSIs that each LSI can encode 4K 60 fps or up to high-definition (HD) ×4 videos efficiently with the proposed bitrate control method. The software takes the packaging process according to the various streaming protocol. Experimental results indicate that our method reduces encoding bitrates obtained with constant bitrate encoding by as much as 56.7%, and the streaming latency over MPEG-DASH is 1.77 seconds.
URL: https://global.ieice.org/en_transactions/information/10.1587/transinf.2022EDP7048/_p

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@ARTICLE{e106-d_1_46,
author={Daisuke KOBAYASHI, Ken NAKAMURA, Masaki KITAHARA, Tatsuya OSAWA, Yuya OMORI, Takayuki ONISHI, Hiroe IWASAKI, },
journal={IEICE TRANSACTIONS on Information},
title={A Low-Latency 4K HEVC Multi-Channel Encoding System with Content-Aware Bitrate Control for Live Streaming},
year={2023},
volume={E106-D},
number={1},
pages={46-57},
abstract={This paper describes a novel low-latency 4K 60 fps HEVC (high efficiency video coding)/H.265 multi-channel encoding system with content-aware bitrate control for live streaming. Adaptive bitrate (ABR) streaming techniques, such as MPEG-DASH (dynamic adaptive streaming over HTTP) and HLS (HTTP live streaming), spread widely on Internet video streaming. Live content has increased with the expansion of streaming services, which has led to demands for traffic reduction and low latency. To reduce network traffic, we propose content-aware dynamic and seamless bitrate control that supports multi-channel real-time encoding for ABR, including 4K 60 fps video. Our method further supports chunked packaging transfer to provide low-latency streaming. We adopt a hybrid architecture consisting of hardware and software processing. The system consists of multiple 4K HEVC encoder LSIs that each LSI can encode 4K 60 fps or up to high-definition (HD) ×4 videos efficiently with the proposed bitrate control method. The software takes the packaging process according to the various streaming protocol. Experimental results indicate that our method reduces encoding bitrates obtained with constant bitrate encoding by as much as 56.7%, and the streaming latency over MPEG-DASH is 1.77 seconds.},
keywords={},
doi={10.1587/transinf.2022EDP7048},
ISSN={1745-1361},
month={January},}

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TY - JOUR
TI - A Low-Latency 4K HEVC Multi-Channel Encoding System with Content-Aware Bitrate Control for Live Streaming
T2 - IEICE TRANSACTIONS on Information
SP - 46
EP - 57
AU - Daisuke KOBAYASHI
AU - Ken NAKAMURA
AU - Masaki KITAHARA
AU - Tatsuya OSAWA
AU - Yuya OMORI
AU - Takayuki ONISHI
AU - Hiroe IWASAKI
PY - 2023
DO - 10.1587/transinf.2022EDP7048
JO - IEICE TRANSACTIONS on Information
SN - 1745-1361
VL - E106-D
IS - 1
JA - IEICE TRANSACTIONS on Information
Y1 - January 2023
AB - This paper describes a novel low-latency 4K 60 fps HEVC (high efficiency video coding)/H.265 multi-channel encoding system with content-aware bitrate control for live streaming. Adaptive bitrate (ABR) streaming techniques, such as MPEG-DASH (dynamic adaptive streaming over HTTP) and HLS (HTTP live streaming), spread widely on Internet video streaming. Live content has increased with the expansion of streaming services, which has led to demands for traffic reduction and low latency. To reduce network traffic, we propose content-aware dynamic and seamless bitrate control that supports multi-channel real-time encoding for ABR, including 4K 60 fps video. Our method further supports chunked packaging transfer to provide low-latency streaming. We adopt a hybrid architecture consisting of hardware and software processing. The system consists of multiple 4K HEVC encoder LSIs that each LSI can encode 4K 60 fps or up to high-definition (HD) ×4 videos efficiently with the proposed bitrate control method. The software takes the packaging process according to the various streaming protocol. Experimental results indicate that our method reduces encoding bitrates obtained with constant bitrate encoding by as much as 56.7%, and the streaming latency over MPEG-DASH is 1.77 seconds.
ER -

IEICE TRANSACTIONS on Information