回顾:Blackmagic ATEM迷你视频切换器
黑魔法又来了. 他们的新ATEM迷你视频切换器, they have packed thousands of dollars of value into a $295 appliance that costs less than buying many of its individual constituent parts. Although it’s packed with advanced features that in some ways outperform more expensive similar products, the ATEM Mini also comes with some trade-offs that you need to be aware of. In this review I am going to identify both the Mini’s standout features as well as some recommendations for working around its limitations.
视频输入
ATEM迷你(下面的图1)是一个高清视频切换器，有4个HDMI输入. 最大分辨率为1920x1080，每秒60帧, ATEM Mini适用于从摄像机切换高清信号, 游戏系统, 电脑演示, 以及其他大多数有HDMI输出的设备. Having 4 inputs is sufficient for most small to medium-sized workflows, especially considering the ATEM Mini has access to the media pool of a connected computer.
图1. 黑魔ATEM迷你4输入高清切换器
音频输入
You won’t hear many complaints with regards to the inputs on the ATEM Mini. 它甚至有两个3.5mm音频输入 that you can mix along with the 4 embeded HDMI audio signals (下面的图2). When designing a sub-$300 switcher you have to understand that there are going to be trade-offs, and Blackmagic has done an admirable job of strategically selecting which features to include at a basic level, 哪些可以省略, 要包含的东西要超过绝对最小值. 双3.5mm microphone inputs show that Blackmagic understands who their users are and what features they need.
图2. ATEM Mini的后面板有4个HDMI输入和2个HDMI输入.5mm音频输入
黑魔法可能只包含一个3.5mm input but the second one opens up the possibility for users to add music from their smartphone, 来自远程呼叫者的音频, 另一个麦克风给联合主持人, or even headset audio from a remote player in multiplayer gaming action. 确定, 它们可能包含一个或多个SDI输入, but that is a professional standard and—as much as I avoid HDMI in my own workflows whenever I can—an all-HDMI switcher is the right strategic choice for the ATEM Mini’s target audience.
I could also have asked for a balanced XLR with phantom power or even a ¼" TRS audio input, 但如果这些对你很重要, then you can add a $68 Behringer UMC22 USB audio interface to your workflow or you might already have a similar USB audio interface like my new Roland Rubix, 也有压缩机/限制器和地面升降机.
失踪的视点
It is on the output side that most of the trade-offs and strategic decisions on the ATEM Mini were made. The decision to not include a multi-viewer output was a deliberate one. I don’t know if this decision was made to protect and differentiate the higher-end models in the ATEM line, 因为他们无法在这个价格点上包含这个功能, or because Blackmagic plans to announce a compatible 4-input ATEM HDMI multi-viewer, 或者升级版的ATEM Mini Max型号，但有这个功能.
但我知道的是，对于许多ATEM Mini用户来说, 他们将使用的4个输入中的一些将有自己的显示器. 这不是一个优雅的解决方案，作为一个专门的多查看器, but live producers have to be open to the fact that they don’t always need a multi-viewer. If you really can’t live without a multi-viewer or just want to see how you could get one working with the ATEM Mini, 接着往下读.
最明显的选择是Blackmagic MultiView4 HD(售价185美元， 下面的图3). This multi-viewer requires SDI inputs and doesn’t have any pass-throughs, so HDMI or SDI sources could use the $65 Micro Converter BiDirectional to convert and connect the signal to both the ATEM Mini and the MultiView4.
图3. Blackmagic MultiView4 HD
If you want to save few dollars and know you won’t need all HDMI inputs, a dedicated SDI source could also use a $45 Blackmagic Design Micro Converter SDI to HDMI. Total cost would be $365–445 depending on the ratio of HDMI to SDI sources and ignoring power supplies and video cables. 确定, this one accessory would cost more than the ATEM Mini and hobbyists would likely not bother, but I can tell you that most professionals already have multiple converters and likely even an unused multi-viewer they could use–I know I do. I will also challenge you to identify a similar 4-input video switcher with a multi-viewer that costs less than the $740 that this bundle would cost.
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