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NAB 2019: Phenix Talks Low Latency Solutions for the Oscars 和 Online Betting

成绩单

1月时: 1月时 here from the show floor at NAB, I'm with Kyle Bank from Phenix Technologies. 你好吗,凯尔?

凯尔银行: 我很好.

1月时: 告诉我你要在展览上展示什么.

凯尔银行: So Phenix focuses on real-time video streaming with less than 500 milliseconds or half a second of end-time latency. That's glass to glass from the time we capture the first frame all the way through playout on the end-user device. 我们这样做是基于我们对WebRTC技术的实现, 我们基本上从头开始重写了整个WebRTC堆栈, 从UDP级别开始, 和 have built some proprietary features on top of what you get with off-the-shelf WebRTC, 比如多比特率实时转码, 用于ABR交付. So we can adjust the b和width based on the client's available b和width jitter 和 other networking conditions, 以及在整个观众中同步, so...

1月时: 这是你的摊位吗? 或者是客户的摊位,或者是我们在这里看到的?

凯尔银行: So we're doing a shared booth this year with one of our customers 和 close partners, Ex Machina集团. 他们建立了一个白色标签的琐事解决方案, based on our real-time streaming technology 和 their interactive trivia 和 Q&轮询技术.

1月时: 你们的技术或者他们的技术有哪些公共用途? 告诉我们为什么低延迟如此重要.

凯尔银行: So some of the key use cases we support today are interactive sports betting applications, real-time auctions where people are bidding in-person against people that are bidding online watching a feed. 除了网络研讨会平台,我还在想还有什么.

1月时: 有哪些更性感的应用? 你提到了一些颁奖典礼,或者...?

凯尔银行: 是的, so we worked with the Oscars this year to stream the behind-the-scenes action of the crowd shots of celebrities interacting with each other. 还有一个Q&谁穿什么鞋走红毯, 谁会赢得下一届奥斯卡, 谁会赢得年度最佳影片. 所以这是一个非常有趣的项目.

1月时: 你去了吗?

凯尔银行: Unfortunately I didn't get to go, our chief product officer Bill Wishon was on site. 我们在那里部署了硬件编码器, 我们正在向一个基于网络的应用程序提供实时流媒体.

1月时: 那么我们向你们购买的核心产品是什么?

凯尔银行: 核心产品是端到端解决方案. All the way from the contribution encoding through play-out on end-user devices, 我们可以在哪里进行实时转码, 并同时传送给全球成千上万的观众.

1月时: 这包括编码器,那播放器呢? 我可以用我自己的播放器,还是你有一个播放器?

凯尔银行: 是的,它是一个HTML5视频播放器,完全可定制. Some of our customers use kind of our off-the-shelf controls that we've built into the player, 其他人想要真正定制它,并为他们自己的用例打上烙印. 所以我们尽量在玩家方面保持灵活性.

1月时: 好吧. 告诉我们一些你编码的细节. 你在做的,显然是一个完整的编码阶梯. 你做HEVC了吗? 还是都是H.264? 你在看什么?

凯尔银行: 今天我们做H.264 和 VP8, which are the two primary codecs supported by WebRTC in the browser today. HEVC, 当然在路线图上, 我们可以在本机代码环境中实现编解码器, 你知道, 原生iOS和Android sdk之类的东西, 但是我们很期待, 你知道, 与浏览器紧密配合, 你知道, 公司, 你知道, 改进他们的WebRTC堆栈, 还可以实现这些新的编解码器,比如4K流媒体.

1月时: 你用的是固定梯子吗? 或者,告诉我你的编码阶梯. 1080是什么,1080p降到了什么程度,你使用的比特率是多少?

凯尔银行: 当然,我们可以达到1080p60,大约每秒5.5兆比特, 一直到80kbps下的144p, 所以这是一个很满的梯子, 我们也有一些顾客认为质量就是一切, 他们想要维持, 1080p,每秒几兆比特, 和 others where they're in very b和width-constrained environments where they might be publishing lower-definition streams. 所以当涉及到用例时,我们跑遍了所有的范围...

1月时: 你认为低延迟是增长吗? 我的意思是谁是最大的市场? 你谈到了拍卖,但这可能是最大的趋势, 正如你所指出的, 在整个NAB中是低延迟的. 谁会在乎这些,为什么?

凯尔银行: The people that care about that are the ones that are going to win out in the OTT space. 如果您有多个OTT提供商提供相同事件的相同提要, but you can see it somewhere 30 seconds before you're going to see it somewhere else, 不管那是现场新闻, 现场直播的体育, 或者正在报道的现场活动. We feel pretty strongly that the lower-latency solution at a reasonable quality 和 a reasonable price, 这是我们为客户提供的目标吗, 它将在这个市场中提供竞争优势.

1月时: 好吧, any thoughts on WebRTC versus the new, I guess, low-latency CMAF we're seeing a lot of?

凯尔银行: 是的, 我认为CMAF当然有它的地位, 我们非常熟悉这一点,也非常熟悉开发CMAF的参与者. 但对于我们专注于在半秒或更短时间内提供流, 你知道, CMAF对于需要了解的应用程序非常有用, 2-4秒的延迟, 并且可以达到低延迟的环境. 而是为了真正的实时交互, 和 to enable these sports betting 公司 extend that betting window all the way up until the last second when Tiger Woods makes that putt, 或者你知道, 勒布朗·詹姆斯投中三分, we're going to try to maximize revenue for our customers by providing them with the lowest possible latency we can without having to sacrifice on quality.

1月时: 那么WebRTC的可扩展性呢?

凯尔银行: 这是一个巨大的挑战,但我们已经建立了一个全球网络. 今天我们有20分的优势. 到2019年底,这一数字将达到30. 今天我们有两个基础设施合作伙伴, 我们在弹性云计算环境中运行, 我们正在与其他几家云提供商合作, as well as CDN providers for launching our software across their environments to further improve our scalability, 但今天我们正在努力, 我们每天要做200件以上的事,000名观众同时观看,而我们只有200名,在2到3分钟的时间里,有000名观众加入. So we've had to spend a lot of time engineering how we maximize our capacity on the join rate. 所以你不仅要如何处理这么多观众, 但当它们同时攻击你的服务器时, 我们如何处理高峰负荷.

1月时: 你能告诉我什么,你是按每个用户定价的吗? 如果我在考虑你的解决方案,我会怎么考虑定价?

凯尔银行: Our pricing model is based on the number of viewer minutes so if you had 100 viewers watching for 10 minutes, 就是1,000观众分钟. 我们努力与客户的收入模式保持一致, 和, 你知道, 我们还希望实现最高的质量, 所以我们有一个分层结构, 流式传输的分钟数越高, 每分钟的成本效益越高. 但这并不一定取决于你发布的比特率. 我们试图提出一个对客户和我们都公平的价格, that allows them growth over time so as bitrates increase 和 quality increases they're not having to re-negotiate their contracts with us year over year. So that's why we've chosen to go with a per viewer minute model instead of the per-gigabyte, 更传统的CDN模式.

1月时: 好吧,那是什么网站?

凯尔银行: 我们的网址是 phenixrts.com. P-H-E-N-I-X-R-T-S.com. 代表凤凰实时解决方案.

1月时: 听着,谢谢你今天抽出时间. 有趣的东西.

凯尔银行: 非常感谢,谢谢.

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