Shooting for Streaming: Designing Your Set and Dressing Your Talent

My first foray into digital video, circa 1994, went like this: I hired a professional crew to film a tutorial on video compression. The set they designed featured a rosewood desk against a gray fabric background decorated with plants, and graduated lighting accented with several spotlights. I wore a snazzy black blazer with little white flecks that looked better than it sounds. We shot in BetaSP, edited on 1” tape that I outputted onto a laserdisc for frame-by-frame capture. On the studio monitors, the video looked awesome.

We struck the set, and about a month later I compressed the video to Indeo 3.2 format. The graduated lighting on the back wall created color bands that crawled in the background like dancing snakes, and the accent lights were blocky stabs of yellow. My coat fared equally poorly, with most of the flecks gone and those that remained resembling giant dandruff flakes.


Figure 1. This background looked great before encoding.

Though I compressed it with the best technology of the day, I couldn’t imagine selling the tutorial video and ultimately chose not to even try. The only return on my substantial investment was the searing lesson that backgrounds and clothing really matter when it comes to compressed video quality.

In the fall of ’05, I started work on a research report for StreamingMedia.com that involved compressing approximately 42 business-, action-, and entertainment-oriented clips into various resolutions using Flash 8, H.264, Real, and Windows Media. This added to my knowledge base regarding which types of backgrounds perform well under the strains of video compression and which don’t.

To supplement this research, I performed a quick-and-dirty survey of business-oriented video on the web, including national media sites like CNN, ESPN, ABC, CBS, and (of course) The Golf Channel. Since these sites were all dual-use (TV and streaming), I also sought videos produced primarily for the web by companies such as RealNetworks, Microsoft, Akamai, Hewlett-Packard, Deloitte Touche Tohmatsu, and Pricewaterhouse Coopers. I scanned other sites like On2, Adobe, and Apple for business-related content, but most showed only entertainment-related clips such as movie trailers that were clearly converted to, not designed for, web video.

The web-only group led to two further groupings. The first comprised videos for which the companies designed backgrounds and clothing solely for announcements and other streaming video. For example, when RealNetworks’ Rob Glaser spoke during the introduction of an online training class, you can assume that the company selected the background, clothing, and lighting that would present the highest possible quality at the selected encoding parameters.

The second group was case studies, primarily produced by Hewlett-Packard and Microsoft. Here, part of the value of the content involved showing the clients in their environment, rather than against a blue curtain, however tasteful. Though it appears that HP and Microsoft “encouraged” their participants to wear compression-friendly clothing, they also came up with compression-friendly backgrounds in a range of environments, spawning several interesting lessons.

But let’s start with the basics, a high-level description of what the ideal background should do. First, it should provide contrast to help the viewer distinguish the talent from the background. This concern obviously relates to what the talent is wearing, which I’ll discuss below. Second, the background should be visually interesting, or at least attractive, with minimal detail to distract the viewer from the talent or make the file more challenging to compress.


The Don’t—Backgrounds to Avoid

It’s fairly simple to catalog a range of practices to avoid, from both my own tests and my informal survey. For the sake of brevity, I’ll include them in bullet form.

—Avoid solid backgrounds in red, white, and tan. Non-reflective black is the safest choice (except for H.264).
—Avoid fine details like those in bookshelves, fancy wallpaper, Venetian blinds, and the like.
—Avoid backlighting (windows, doors, other powerful light sources).
—Avoid background motion (waving trees, folks walking).
—Minimize open spaces in your background. As you can see from that fateful video from back in 1994, the back wall was completely open, leaving lots of room for compression artifacts to collect and become very obvious. Since then, my mantra has always been “clutter is good.”Now that we've seen the "don'ts," let's take a look at some "dos."


Comments (4)

Said this on 4-5-2010 At 03:28 pm

Good tip list for sets but for clothing definitely no thin stripes, herringbone or check.

James Wood

http://www.hd-productions.biz

Said this on 4-7-2010 At 07:42 am

Great input, I'll have to add that in.

:-)

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