Quirky Stadiums Call for Special Audio Efforts in Fox World Series Coverage Old-school techniques, careful mic placement and mixing capture the sound of the game By Dan Daley, Audio Editor
Thursday, November 1, 2018 - 11:33 am
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The nearly two dozen microphones planted and placed parabolically around ballfields offer Fox Sports A1 Joe Carpenter the equivalent of a symphony orchestra's worth of sound effects for each game. However, for the recently concluded World Series, which took place at Boston's Fenway Park and Los Angeles's Dodger Stadium, Carpenter was working those sources more like a garage band.
We were definitely going more old school for this Series, he says, referring to reliance on parabolic mics placed around home plate. We've been learning over time what works best and what's been less effective. For instance, the mics around the pitchers' mounds are really excellent for getting the sound of the pitchers releasing the ball: the grunts you hear are really pretty amazing; you can really hear the exertion of the pitch. We also got a lot of good stuff from the mics we had planted at the edge of the infield. You could hear the infielders calling for the pop-ups.
Fox A1 Joe Carpenter: We were definitely going more old school for this Series.
Less effective were the mics around home plate, during a Series when fewer players and none of the umpires agreed to be wired for sound during play. There, Carpenter relied on parabolic microphones aimed at the plate.
But there was still plenty of sound to be mined from the field. For instance, when home-run hitters came back to the dugouts, teammates' accolades were clear and present, pulled from Cameras 1 and 5 at either end of the dugout and from handheld camera mics in the area. However, network S&P monitors and their plungers - buttons that mute the audio - seemed especially active during the games, Carpenter noticed.
We send them crowd-sound stems so the audio doesn't go completely silent, but you can notice it get a bit choppy when they hit the plunger, he says. In some cases, they may have been hitting it preemptively.
Mixing crowd sounds requires more finesse than is readily apparent. The fact that crowds numbering in the tens of thousands are made up of individuals becomes painfully clear as soon as a few of them start whistling loudly or banging on metal stanchions, creating piercing transients.
I have the crowd mics lined up in five stereo pairs, Carpenter explains. I look at the input levels to find the offending ones, and I have enough gain overall so that I can pull that set back and raise the rest a bit to compensate and keep it even. The crowds take a lot of mixing on games like these.
Architecture and Legacy PA
Setting this Series apart sonically were the individual quirks of each stadium. Fenway's antique architecture includes the famous (or infamous, per Bucky Dent in 1978) Green Monster, a metal-covered wall in left field that contributes to what Carpenter describes as some of the oddest acoustics in baseball.
It produces this low-end reverberation that creates this really strange, electric kind of sound, he says. It took three days to dial in the parabs and other mics before Game 1.
On the other hand, Fenway's antiquated scoreboard, behind which the box score is updated manually by workers hanging numbers printed on green tin tags, offered a roost from which a camera mic was able to pick up the clangs of balls hitting the Monster.
Dodger Stadium had its own issues. Though not as ancient as Fenway, it does cling to the kind of point-source PA system, stacked at the back of centerfield, seen more often in college football venues and deploying sheer brute volume to cover the venue.
You can't put your microphones where you normally would, Carpenter says. We had some experience with postseason there last year. We learned a few things, but it's still always trial and error.
For instance, mixing microphones planted around home plate was tricky to avoid picking up the PA when Carpenter was trying to highlight a bat smacking a batter's cleats. During player introductions before the games, he dialed in nearly a 0.5-second delay on one processor to align the distant PA's sound to match what was coming through the microphones. He used a second delay processor with 141 ms of delay for the mics on the RF cameras aimed at performers singing the national anthem, again to align with sound from the PA nearly 400 ft. away.
There's a lot of math you have to do all day long at Dodger Stadium, he says.
Another kind of math was required in Game 3, at 18 innings the longest in World Series history.
Carpenter found himself running out of music bumpers between innings. I started the night with 28 music clips, but, by the end of the game, seven hours and 20 minutes later, I had to use some of the approved clips from my laptop. That's never happened before.
Despite the lack of wired-for sound players during the series, though, he feels that the concept has reached an inflection point among players.
The postseason games may be different, but I think we're seeing more players realizing the value of that kind of audio, he says. They and their agents realize we're not eavesdropping on them. We're going for the personalities, the athleticism. I think this is going to be a bigger part of the game on television going forward.
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Quirky Stadiums Call for Special Audio Efforts in Fox World Series Coverage Old-school techniques, careful mic placement and mixing capture the sound of the game By Dan Daley, Audio Editor 
