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NDI®の次世代の進化

April 08, 2018 by Dr. Andrew Cross and Steve Bowie

開始当初からNewTekの使命は一つの使命に凝縮することができました、すなわちストーリーテラーにビデオを通じた声を提供することです。当社はコンピューター、ソフトウェアおよびネットワークはハイエンド市場に限らず、番組をプロデュースする、またはチーム、クラスまたは集会にストリーム配信を行い、しかもそれを楽しみながら行いたいと希望するすべての人達に向けた次世代ビデオツールの3つのキーストーンだと確信しています。

Video revolutions start in basements and garages wherever creative programmers have great ideas (we know, because we started there, too!) We want them to succeed. When they win, we all win. NDI® is where our commitment to this vision becomes reality.

We could have kept NDI to ourselves. Instead, we made it both incredibly easy to implement and free to sell. Thus we were gratified but not surprised to see hundreds of great new products appear as if overnight that take advantage of NDI’s outstanding A/V interchange features.

To underscore how strongly we feel about this, we even helped our competitors achieve their goals: We released our NDI PTZ cameras, but we also assisted Panasonic, PTZ Optics, Lumens, Marshall, and others to bring their NDI products to market. We’ve made NewTek-brand NDI converters, but helped BirdDog create theirs, too. And we give away, completely free of cost, our richly powerful suite of NDI Tools – to enable developers and end-users alike to immediately multiply the benefits of their investments.

We’re very proud of NDI. It’s what results when a video software company designs an IP protocol. NDI checks all the important boxes for production, but doesn’t paint you into a corner. For example, NDI-SMPTE2110 interop is fully functional. Likewise, we anticipate that upcoming protocols in various stages of development by hardware-focused companies will be equally complementary to and compatible with NDI.

We want to sincerely thank the community for making NDI the world’s most successful IP standard for video production. Without thousands of companies who joined hands with us, more than ten million people would still be chained to HDMI and SDI. While this latest build is dubbed version 3.5 (full integer updates occur at IBC on NDI’s anniversary), it is extremely feature packed and delivers massive benefits for NDI developers and customers alike.

Changes to NDI Applications and Drivers

NDIスキャンコンバーター

The new version of NDI Scan Converter provides vastly improved image quality and much, much more. The GPU is now used to capture the screen, and handles the lion’s share of color conversion, processing and NDI transmission. You can now capture all of your system’s desktops in real-time, at full 60Hz and with almost no CPU usage. (Note: This version of Scan Converter relies on the latest DirectX 11 API, thus requires Windows 8 or better.) Choose which audio source accompanies your screen capture, including system audio. Now you can play a computer game or display a PowerPoint presentation with audio (with no impact on frame-rate) and supply it as an NDI source. Scan Converter now fully supports webcams, too. Stream games with audio, and overlay your webcam on the stream while supplying voice-over with a high-quality mic. Send PowerPoint to your audience on Hangouts, Zoom Media, Skype, or GoToMeeting (see NDI Virtual Input), and use your webcam to talk to them. NDI Scan Converter now provides ‘region of interest’ support, so you can capture video directly from a YouTube page.

NDI Studio Monitor

この「小さな巨人」の重要性はいくら誇張して足りないくらいです。サイネージは広範囲かつ重要なビデオの分野であり、Studio Monitorが現在この領域をカバーします。事実上すべてのショーのセットには現在多数のビデオ画面が含まれます。ロビー、ビルの正面および広告板は巨大な画面などを展示します。アナログのケーブル配線経由でこれらのソースを供給することは常に非実用的で、SDIハードウェアの費用が法外に高く、またHDMIの距離制限により信頼性のある代替手段としては役立ちません。IPはもちろん理想的なソリューションです。ユビキタスで、信頼性があり、また低コストです。

Need to update the display on a remote screen? NDI Studio Monitor now provides an integrated web server; just scan a QR code on the display to turn your mobile device into a (password-protected) remote control. What’s more, multiple instances of Studio Monitor running on the same machine can be independently controlled. Even when you have lots of different computers running Studio Monitor, they all ‘see’ each other over P2P, giving you complete control from any point on your network!

Studio Monitorへの均等に先鋭的かつ貴重な追加によりディスプレイにタイトルやグラフィックス(フルモーションのビデオでも)をオーバレイすることができます。ユニークなオーバレイをビデオ経由でロビーに割り当て、お客様のショールームに差別的な魅力を与えることができます。またはオーバレイの機能を使用してピクチャーインピクチャー出力を生み出します。各Studio Monitorのインスタンスは再生にどのサウンド機器を使用するか、また出力をどのビデオモニターに表示させるか(またはそれがどのモニターに広がるか)を選ぶことができます。すべて正確に構成された複数のインスタンスが自動的に起動するようにStudio Monitorをコンピューターの起動時に起動させることもできます。NUCを1つまたは2つ購入すれば複数のリモート制御できる4K出力を簡単かつ安価に作成することができます。

Better support for joysticks and keyboard shortcuts for PTZ control round out this phenomenal upgrade.

NDI Virtual Input

Assign NDI video sources as inputs to anything that supports webcams (including GoTo Meeting, Skype, Hangouts, Zoom Media, and much more!) NDI Virtual Input fully supports 1080p60 or even 4K at full frame-rate, and even allows you to modify audio levels for different application requirements.

VLC Media Player

この新しいバージョンは現在VLC 3.0とVLC 2.x.の両方に対応します。バーチャルPTZコントロールが内蔵されており、本物のPTZカメラを制御しているかのごとくStudio Monitorに表示されるVLC出力で自在にパンとズームを行うことができます。タイムスタンプ他と同様、ビデオフォーマットの対応は改善されています。

Adobe CC drivers

新しいドライバは高品質、フローティングポイントのカラー対応その他を出力すると同時にAdobe CCの絶対的に最新のバージョンにも対応します。

NDI HX Drivers

The NDI HX drivers are now integrated into NDI tools to make things quicker and more convenient. The drivers feature many optimizations, bug-fixes and improved support for complex network setups. In addition, hardware acceleration support has been upgraded.

Changes to the SDK

当社はSDK全体を使い易くしました。機能はより理解しやすいですが、完全に下位互換です。最新のSDKの入門ガイドによりNDIエコシステムと初めて接する人達の学習過程を加速します。

Changes to the Protocol

Really, NDI itself has been completely transformed ‘under the hood’, including truly massive optimizations to the underlying protocol to support UDP data transfer, with Forwards Error Correction (for both Unicast and Multicast). What is more, NDI now automatically detects NICs, and all the possible paths between a source and a destination, in order to spread the bandwidth out across all possible paths. This delivers much better performance in almost every case, even on high latency networks. What is more, very sophisticated internal congestion control reduces packet loss, and helps everything run on real-world networks which often employ ‘less than ideal’ routers or switches.

More reliable discovery

Numerous discovery and connection edge cases are handled better, to provide increased reliability when network topologies change, across multiple NICs (or networks) and much more. In other enhancements, NDI discovery on the local machine is improved as also are NDI sources on virtual networks.

NDI Hardware

NewTek will soon be launching a reference FPGA project running on a Xilinx reference board that we will let people play with for free; if you make a commercial project then we should talk about how we can work together to make it successful.

And more …

Traditionally, using RGB video was 80% slower than YCbCr. We’ve added AVX2 optimizations to bring this down to just 20% (assuming you have enough memory bandwidth on your system to keep up). We also now support 4:2:0 video color spaces on input, and we even include FFMPEG for Windows with NDI support for your convenience, eliminating the hassle of working out how to compile it yourself.

You Want it When?

発売はNABの直後を予定しています(当社が楽しみから目覚めたとき。ショーでお会いしましょう。)

すべてのNDI製品の詳細とダウンロードについては、NewTek NDI Home

NDI, NDI Applications, NDI Page,

NDI, NDI version 3.5, NDI Applications, NDI Studio Monitor, VLC Media Player, NDI Virtual Input, NDI|HX,


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