How To Make Your Movie Sound Like A Real Movie
How To Make Your Movie Sound Like A Real Movie
I get a lot of questions on if I can “do” sound sweetening,
usually by frantic filmmakers, calling in the middle of the
night. They are frantic because the sound in their movie or
video is bad.
They’ve used a cheap mic, plugged into the camera, or worse,
have used the on-camera mic.
They had a friend aimlessly point the mic at the floor, or the
Some, from the sound of it, have pointed the mic directly at the
whirring camera, or rumbling electric generator, or humming air
conditioner, or buzzing fluorescent lamp. They’ve bumped the mic
against the wall, or the ceiling, or trees or bushes.
They’re far away from what they’re recording, not even in the
same vicinity. There’s so much “room sound,” you can barely hear
the actor mumbling along.
So, the Sound Guy (whoever they can get for a few minutes -
usually a well-meaning person with no experience) turns up the
level too far, which just makes the sound distort horribly, or
too low, which buries the good sound in the mud.
Sound Editing adds more mistakes, and compounds the problem.
The filmmaker has the equipment, and wants the film to be good.
You’d think he’d read a book on the subject. You would be wrong.
He chops the sound when he chops the picture, and that’s it. He
doesn’t split it into tracks, or replace bad sound, or finesse
the tracks, or otherwise spend time exerting care and craft on
his precious film’s soundtrack.
Essentially, when he’s done shooting and cutting and laying
music, he thinks he is done, without spending the minimum of
time and care and money it takes, to have a good sound track.
So the filmmaker shows his movie, with its bad sound, to
lukewarm audience reaction. Ouch!
People don’t know why the movie is bad, actually. Not one in ten
can recognize “bad sound,” they just think the movie stinks.
If the filmmaker is very, very lucky, somebody will tell him the
sound is bad. Otherwise, he has no clue.
He’s disappointed, but he still wants to maybe fix it. Somebody
says “sweetening” the sound will help. So he comes to me.
He wants to know if bad sound can be fixed. I have to tell him
the bad news – no.
At this stage, unless he has a great deal of time and money, and
is willing to start completely over and take the proper care,
nothing can be done.
Bad sound is the product of negligence. If you spend the time
and care, from the beginning, there is no reason for your film or
video sound to be bad.
You’ve probably seen many commercial movies with good sound,
so why doesn’t your movie sound like them? You probably don’t
really know how a good movie sounds, and what effort went into
making them sound good.
Take some time, and actively listen. After a while,
you’ll notice what a good movie sounds like.
I was very lucky when I was starting out.
I read a book by Ivan Watson from England, who
spelled out precisely what it takes to record and edit
and mix good movie sound.
What can you do to make your movie track sound less like a video,
and more like a real movie?
Maybe a better question is, “Why does video sound so bad?”
I think that’s a fair question, because frankly, most video
sound, (all elements music-dialog-effects), sucks. I’ve heard
exceptions, so I know it’s not just the video itself.
Film does sound very different than video, I am certain of that.
Real movies are rich-sounding, with only the sounds and music
that move the story along. Video, even shot by filmmakers who
should know better, often is tinny and muffled, with thumps and
noise on the tracks.
How is film sound different from video? Making a movie sound
like a movie starts with the production sound.
Film sound is recorded on analog machines (yes, they still
exist), or on cool new 96Khz/24bit sampling recorders.
Mini-DV camera sound is uncompressed 48Khz/16bit sampling.
That’s better-than-CD audio quality, but camera makers save money
by using cheap audio circuits in most under-$5k video cameras.
Cheap-and-dirty analog-to-digital circuits add noise and
distortion to your high-quality mic’s crisp analog sound.
The best video camera sound I’ve found is on the Panasonic
DVX-100A. Its audio section is good as most DAT or solid-state
flash memory recorders. Shooting with one is like recording on a
separate digital recorder.
Film sound is recorded with a midrange bump, and an
EQ raise above 6KHz.
6KHz is the high end of the human voice. “Midrange” is around
2.5KHz. The film sound “EQ raise” at 6KHz increases dialogue
intelligibility and perceived crispness.
In video, sound is recorded without pre or post EQ. Video sound
also usually uses inferior mics to those used in film sound.
Film sound mics have a cleaner sound, and flatter response,
sounding better than the mics used to record video sound.
They are highly directional (rejecting extraneous noise).
Give your video sound’s midrange an EQ bump, and a raise at 6Khz,
and it will be more like how film sound is recorded.
Get some decent mics, not the cheapies. A Sennheiser ME66, or an
Audio-Technika 835b, is mid-level, not terribly expensive, and
really works well. Those will give you a rich and full sound.
You may not want to record double-system (sound recorder
separate from the camera), but if you can, do it!
If you have a Nagra or other analog tape recorder, use it. They
just sound better.
35mm mag film to edit? Sounds great. It should – it’s a 1/4″ magnetic
track at 18ips, and if you fill empty spaces with slug stock, it’s self-gating.
In film sound, the sound designer matches sound to the look of
the film. A sad movie has mood lighting, and the sound will be
designed to match it in emotional tone. Its dialogue is EQ’d
less crisply, with a lower-frequency boost.
In a happy comedy, lower frequencies are rolled off, and it’s
EQ’d and mixed to be “brighter.”
Film sound is “sweetened” by manipulating room tone, premixing
audio levels, and carefully considering dialog, music, and effects for
their proper audio EQ.
Film sound expects post-production sweetening, which makes film
audio sound so different from audio for video. Video sound can be
sweetened, but Indies use it pretty much as it is recorded. Yuck!
What can be done about it? How can you make your movie sound
like a real movie?
First, notice how video procedures are designed for quick-and-
easy operation, and not really for quality.
I think most video sound sucks because the camera operator is
also the sound recordist, and the camera op doesn’t care about
sound.
He wants the framing and focus and color and bla bla bla.
Sound is not his priority, and he’s not really listening to what’s
coming through the mic and mixer and headphones. He can’t.
For your sound to be good, you must care about it being good.
That care will force you to listen to your track, something most
video hobbyists, and many filmmakers, simply don’t do.
Until they’ve lost a film festival, and notice the winner has
good sound. Or they see the one Indy film that comes along in
a blue moon, the one with good sound.
If you actively listen to your track, you’ll start hearing (it
takes time to train your ears) all the junk you’re recording.
You’ll take the steps necessary (filtering, mic placement, EQ,
editing) to discard everything that is extraneous. Get rid of
anything that doesn’t create a mood, or push your story along.
You will put the mic just as close to your subject as you can,
and roll off the wind noise, and use a fur piece on the mic, and
only mix in enough room or ambient noise, and only when it’s
necessary.
If there’s a single “most important part,” I would say it is
“gain staging.” Set your levels carefully – at every stage!
When we recorded in analog, there was a certain forgiving quality
to the recording process. Overmodulation would “saturate” the
tape, limiting levels before actually distorting.
Now everything’s digital, and if you’re recording digitally (to
DAT, CD, Mini-disc, or Flash Memory), there is very little
“headroom,” and much less tolerance for clipping, than in analog.
If your meter goes “into the red,” the sound becomes a chattery
digital nightmare. It is ruined forever. So make sure you use
“-6Db” for your “0Db,” to keep it clean.
Always “expect the unexpected” when setting your levels. I’ve
noticed actors always “perform” 6Db louder than they “rehearse,”
and musicians do too.
I always feed one mono signal to both stereo tracks, with L at
the “proper” level, and R backed off 6Db or so.
If the sound gets too loud, L will distort, but I’ll still have a
chance to salvage that section of R, when I’m editing.
How much is enough? Experience will teach you. Listen!
The major difference between how film dialog sounds and video
dialog sounds is the EQ and compression that is used to make it
intelligible and “fatter.” With practice, you will learn how to
get that sound. There is no shortcut – you must practice!
You will learn what distortion sounds like, and you will learn to
set the gain properly, and boost the midrange or add compression
in recording or mixing, when it’s necessary, to push the
important signal up out of the mud, and into your audience
awareness.
How much boost? Again, experience.
That’s why you need a Sound Mixer with sound as his only job,
one who cares, with enough faith in his ears, and experience at
setting the gain and EQ, and also a trained and experienced Boom
Operator, with necessary skills to point and move the boom.
Make it clear to your sound crew that you consider sound just as
important as the picture, and you expect good work from them.
Insist they yell “Cut!” if it distorts, and tell you when they
need another take.
Don’t make the mistake of letting “just anybody” volunteer to
record sound. Make sure they’ve done it before.
Just hanging a mic on a boom stand is better than nothing,
but not very much better. Care must be taken at every stage.
Get the best sound you can, when you shoot, so your editing
will go smoothly.
Few things are worse than an edit session that becomes an audio
salvage operation. It detracts from the creativity, replacing it with
an air of desperation. You want to edit, when you edit.
After your picture is locked, start the sound edit. Split your
tracks, so you can vary the gain on any element. If two
characters are talking, you should have each on his own track.
Cut your dialogue, and then effects. Use your audio editing
program to “normalize” your levels, and clean up the sound.
See what needs to be fixed, and fix it. Some stuff can, like Boom
mic crashes, and ambient noise, but if something is bad and can’t
be fixed, replace it with ADR, looping, and foley.
Foley is extremely subjective, that is, it’s not realistic. You don’t
notice footsteps at all in real life, but in the movies, if you need
to know somebody’s purposefully walking along, the footsteps
are loud and pure and pristine.
Tik, tik, tik.
Papers or clothes rustling, same thing. There are persons who
make their living making clothing rustling noises, and walking
and all those noises. They’re called “Walkers,” or “Foley
Artists.”
I don’t mind having to record every footstep and line of
dialogue. I’ve done it enough, I know how to make it seem
real. How? From doing it and doing it, so if you want to
learn how, get started, record something.
In fact, I much prefer replacing location dialogue. This
frees me to shoot with literally any camera, noisy or not.
Eyemo? Arri or Cameraflex? Mitchell, Eclair, Konvas?
All quite delightful results, if you record a track just to
use as a guide track.
Or shoot two takes, one with the camera running, one without, but
recording sound both times, and cheat the camera-less sound over
the camera take, and cut it into sync.
Looney, but it works, and that’s what I do, and I get good sound.
The harder and longer you work on your sound edit, the better
chance your mix has to be good.
In my experience, looping or ADR are not all that expensive,
when you have a vocal room in your house, and some good mics.
In a pinch, a closet full of coats works fine, or a tent
made of carpet, hanging from the ceiling. Just put the mics
away from your computer fan or open windows.
My friend Jimmy O’Brien, Editor and Dialogue Director at
Universal for many years, told me he’d flown to NY and far-off
places to record a few lines on occasion, if it would fix or
change a line reading, or even change the whole plot line!
I know much of what I know about film sound from a long-ago
interview with Walter Murch, in an issue of “Filmmakers
Newsletter,” where he advised to replace all the lines, rather
than just one, so they’ll all match. Die-hard attitude, but his
tracks are lovely.
One of those that comes to mind is “Apocalypse Now,” which had
virtually no usable sound when they entered post-production.
Think about that – everything was ADR and Foley!
Which brings me to the point in “making your movie sound
like a real movie.”
Real movies have real good sound tracks to start with, and are
willing to replace most, and sometimes ALL the sound, to make
it really good.
Use your imagination, to determine what process might make your
sound “sound right.” Create a sound space for each scene that
serves the story. Use EQ and reverb and sound effects to create
that space.
Compression is still a useful tool, even in these days of digital
audio. It makes the “louds” quieter, and the “quiets” louder,
raising the overall perceived level. That makes the track easier
to mix, because it is “pre-mixed.” The mix flies itself.
Use compression sparingly, so it doesn’t make overall changes you
don’t want. Rather than compressing everything, use your audio
editing software to draw in your gain changes.
This is actually a manual type of compression, with intelligence,
(yours). Drawing in your level changes makes the track fatter
and more intelligible.
Take all the time and care your movie requires, with only one
outcome in mind, to make your movie tracks sound better.
Have the picture scored by a composer who knows what he’s doing,
and get the very best mix you can.
Good audio takes as much planning as good picture, from start to
finish. Good audio doesn’t “just happen,” it is the result of
careful listening, and time, and care.
Most video hobbyists don’t give sound the attention it deserves,
and that’s why there’s such an astonishing difference in quality
between video and film sound. Be different.
Start listening! Take care!
Hey Readers! I’ve been comin across some crazy stuff the past few days from a few different blogs around the web which I just had to share with you. Check em out below…
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Hope you enjoy the read as much as I did and please if you have something to say, use the comments form below to let everyone know your thoughts.
Have a great day!
Back with more news for you today. It’s amazing how much good information there is on this stuff out there if you know where to look. Three in particular that I found really valuable were…
RIM chases consumers, profits dip
There have been millions of downloads of instant-messaging clients, music programs like the one from Slacker and other applications, he said. … Read More…
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That’s all the news for today guys, so until next time, thanks for stopping by.
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