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为何 AV1 仍未普及?
#商业

AV1 是 AOMedia 在 2018 年释出的开源免专利费编解码器,其压缩效率比 H.265(HEVC) 提升了三成。AOMedia 的成员包括了 Netflix、微软、Google、亚马逊和 Meta 等巨头。然而七年之后,尽管免专利费且有科技巨头们的支持,AV1 仍然未普及,流行的流媒体应用如 Max、Peacock 和 Paramount Plus 仍然没有采用 AV1。背后的一大原因是 AV1 需要硬件支持,它的软解码方案存在严重缺陷,如 VideoLAN 开发的 AV1 解码器 dav1d 会严重影响手机的续航力。目前 Netflix 约 95% 的内容用 AV1 编码,而 YouTube 视频的 AV1 编码比例是 50%。AV1 目前还面临 MPEG 和 VCEG 开发的 VVC(H.266)方案的竞争,VVC 的压缩效率提升了五成,但不是免专利费。
theverge:AV1 is supposed to make streaming better, so why isn’t everyone using it?



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为何 AV1 仍未普及?
#商业

AV1 是 AOMedia 在 2018 年释出的开源免专利费编解码器,其压缩效率比 H.265(HEVC) 提升了三成。AOMedia 的成员包括了 Netflix、微软、Google、亚马逊和 Meta 等巨头。然而七年之后,尽管免专利费且有科技巨头们的支持,AV1 仍然未普及,流行的流媒体应用如 Max、Peacock 和 Paramount Plus 仍然没有采用 AV1。背后的一大原因是 AV1 需要硬件支持,它的软解码方案存在严重缺陷,如 VideoLAN 开发的 AV1 解码器 dav1d 会严重影响手机的续航力。目前 Netflix 约 95% 的内容用 AV1 编码,而 YouTube 视频的 AV1 编码比例是 50%。AV1 目前还面临 MPEG 和 VCEG 开发的 VVC(H.266)方案的竞争,VVC 的压缩效率提升了五成,但不是免专利费。
theverge:AV1 is supposed to make streaming better, so why isn’t everyone using it?

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The global forecast for the Asian markets is murky following recent volatility, with crude oil prices providing support in what has been an otherwise tough month. The European markets were down and the U.S. bourses were mixed and flat and the Asian markets figure to split the difference.The TSE finished modestly lower on Friday following losses from the financial shares and property stocks.For the day, the index sank 15.09 points or 0.49 percent to finish at 3,061.35 after trading between 3,057.84 and 3,089.78. Volume was 1.39 billion shares worth 1.30 billion Singapore dollars. There were 285 decliners and 184 gainers.

However, analysts are positive on the stock now. “We have seen a huge downside movement in the stock due to the central electricity regulatory commission’s (CERC) order that seems to be negative from 2014-15 onwards but we cannot take a linear negative view on the stock and further downside movement on the stock is unlikely. Currently stock is underpriced. Investors can bet on it for a longer horizon," said Vivek Gupta, director research at CapitalVia Global Research.

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