Director Mariama Dialloโs Master โ currently in US Dramatic Competition at Sundance โ tells a supernatural tale that draws on Dialloโs own experience of social isolation and exclusion as an African-American student at a predominantly white college. In the film, these feelings combine with menacing supernatural forces to haunt the main characters.
The film is set to premiere globally on Prime Video on March 18, 2022.
Harbor Picture Companyโs sound supervisor/sound designer Robert (Bob) Hein, and Emmy-winning Re-recording Mixer Robert Fernandez explain that the sound needed to be subtle at first, growing more intense as the horrorfic visions the characters experience intensify.
Here, Hein talks about designing a supernatural sound thatโs based in reality and Fernandez details his mixing approach to support and reinforce the feelings of isolation and alienation in Master.
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How does director Mariama Diallo depict the supernatural elements in Master? And how do you cover them in terms of sound?
Bob Hein (BH): In the film, weโre not sure if the disturbing things the characters were seeing are real or if itโs happening in their imagination. The visions are pervasive and very powerful, and as the film goes on, these visions are more effective.

The visions are brief, and sound is very important in making those visions have an impact. For instance, youโll see a monstrous-looking hand come through a window and then, suddenly, itโs gone. Itโs a quick image but the sound is very strong and so itโs startling. A few times in the film, thereโs an infestation of maggots and itโs very disturbing. You mostly get a sense of them through sound.
The two main characters are Jasmine, whoโs attending college, and Gale, who is the Master of the college. They are both African-American, and there are undertones of racial inequality in the school. School legend says there was a woman who lived in Jasmineโs room, and that woman committed suicide at 3:33 AM. And so Jasmineโs story is leading up to that moment โ same time, same day of the suicide. Jasmine experiences horrors, and we donโt know if they are real, but they ultimately have an effect on her. So it was an interesting film to develop the sound design.

Robert Fernandez (RF): There are actually three African-American characters, and theyโre all rejected by their peers. The history of this institution and how it treated African-Americans in the past, thatโs always present somehow and applies in varying degrees for these three people. Some of that rejection is overt and obvious, and some is subtle or implied and those are the ones we had to enhance with sound.
BH: The supernatural sounds are a combination of sounds youโd hear โ like the insect sounds โ with strong sound-designed ambient tones.
Another example is the attic; thereโs the sound of a servantโs bell that calls Gail up to the attic. Itโs like if you were a servant in a home, a bell would ring and youโd go serve the master. So up in the attic, Gail sees things. At one point, sheโs had her portrait painted and itโs in the attic. Gail stops to look at it and a moth comes out of her eye and the maggots start to come out of her mouth. Itโs very shocking and horrifying. So we made the real sounds for those insects very heightened and then we used sound design elements to reinforce the power and shock of the vision.
The supernatural events feel dark and disturbing more than anything. Youโre not seeing some made-up creature. Itโs more dark and upsetting.
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What were Dialloโs initial ideas for how to use sound to help tell this story?
BH: We met when she was just planning the shoot, and we talked about the deep history of the film, like slavery and witchcraft and dark things from Americaโs past, and relating to that through sound would be important.
I gave her some initial sounds to listen to back then, to help her during the shoot. Once in a while, weโd discuss things as she went along. In the edit, early on, we gave her sound effects to use.
There was a certain amount of darkness we needed to bring to the film through sound โ haunting sounds and scary sounds.
There was a certain amount of darkness we needed to bring to the film through sound โ haunting sounds and scary sounds. But theyโre not typical of a horror film. We wanted them to be subtle as well as haunting, and on occasion, shocking.
I decided to draw from history and took some sounds from a song sung by slaves, and turned that into sound design, into something unrecognizable. It had an eeriness that we were excited about when we mixed it in.
We also used nature a lot to create the sound design moments. There was a lot of sound design in the film that shared space with the sound effects. The score was also very haunting, unique, and beautiful. All these things together created a really cool soundtrack.
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[tweet_box]Sundance: Behind the Supernatural Sound of Master[/tweet_box]
What tools helped you to manipulate these sounds, but still maintain a natural feeling so they werenโt too sci-fi?
BH: We used reverb quite a lot. We took the songs and stretched them so they werenโt recognizable and then added reverb and buried them into the other sounds in the film, so theyโre happening right at the edge of your hearing. They donโt impact you like a sci-fi sound effect.
You can tell youโre listening to something being sung, but youโre not quite sure what the words are.
We used Paul Stretch for some of it. Itโs hard to use because itโs old. I didnโt want to stretch out the track so far that it turned into a tone. You can still hear the song; itโs stretched just a bit.
Then with EQ and reverb, it becomes more haunting. You can tell youโre listening to something being sung, but youโre not quite sure what the words are.
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Diallo talked about her own feelings of isolation and alienation while attending college, and those were the catalysts for this story. How did you use sound to support those feelings of isolation and alienation in the film?
BH: There are very powerful and subtle things that happen to Jasmine in the film, isolating events that occur because sheโs an African-American woman in a predominately white school. Things happen to Jasmine that wouldnโt happen to her white friends. These things happen in an intensified way, cinematically. In one scene, Jasmine is in a crowded cafeteria but sheโs isolated by the social norms there. We used sound to embellish the fact that sheโs feeling alone despite the crowd.
We changed the sound of the crowd, highlighting some group ADR that supported this feeling that Jasmine is left out, and added some sound design that felt dark and threatening. This was used a number of times in the film when Jasmine feels isolated and excluded.
We used sound to embellish the fact that sheโs feeling alone despite the crowd.
At times, we would take the crowds away. Then, toward the end of the scene, weโd bring them back very strongly. So it feels like at first sheโs lost and isolated, and then sheโs isolated because sheโs excluded by all the people around her. Sound was used to describe both of those feelings.
RF: Another example is the scene in which Jasmine is dancing at a party, and it seems very innocent. The party is overwhelmingly white and it seems like theyโre dancing too, but theyโre really turning on Jasmine.
That was interesting for sound. It wasnโt a big sound design moment, but the crowd surrounds Jasmine and starts singing louder and louder. It becomes overwhelming and it feels not fun anymore.
They start singing it louder and louder until itโs obvious that itโs not all in good fun.
In a way, thatโs a moment where the overt and subtle cross each other. The party-goers are singing the lyrics to the song but the lyrics can be offensive to someone who is African-American. They start singing it louder and louder until itโs obvious that itโs not all in good fun. We achieved this through sound level and by trying to fill the whole room with that sound so that it becomes overwhelming.
Jasmine keeps having visions throughout the movie and the audience doesnโt know if theyโre real or in Jasmineโs imagination. And we tried not to give it away with sound, so itโs not immediately obvious whatโs happening in reality.
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What format did you mix this in?
RF: We mixed in 7.1 but delivered in 5.1.
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In terms of sound, is there a scene that you feel best represents your work on Master? Or is there a scene youโre most proud of in terms of sound?
BH: In general, the film had to grow into what it becomes at the end. So, we had to suggest things early on but not overtly until you get more and more into the film. The sound has an arc. It impresses you in subtle ways that get stronger as you go through the film. That was a challenging thing to do, an interesting thing to do, and an important part of how you experience the film.
The sound of the party goes away but thereโs still the sound of laughter. It brings home the fact that sheโs uncomfortable at this partyโฆ
RF: In terms of mix, early on there is a party at the Masterโs house. There is a scene in which Gail goes into the kitchen and finds a ceramic figurine. I like the shape of that sequence. Itโs subtle. The sound of the party goes away but thereโs still the sound of laughter. It brings home the fact that sheโs uncomfortable at this party but the attendees are completely oblivious to it. They keep laughing and laughing as sheโs looking at this figurine. Then someone calls her name and she snaps out of it. I really like how that turned out.
I also like the scene of the first time that Gail goes up to the attic. We donโt know what sheโs going to find up there. I love the way the sound design draws her up there.
Towards the end of the film, thereโs another party; itโs a celebration that ultimately turns dark. I like how things shaped up in that scene.
BH: Yeah, in that scene the party crowds were designed and manipulated to isolate Gail, the Master. She was feeling isolated. The way itโs mixed, Gail feels all alone even though there are all these people around her having fun and celebrating.
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How was Master a unique experience for you in terms of sound?
RF: Itโs hard to put this film into any category. Itโs not really a horror film even though there are horror elements. Itโs not so much a supernatural horror but a society-induced horror. We didnโt want the soundtrack to veer into the horror genre. That was always in the back of my mind as I was mixing this film. To me, that was a unique challenge to this film.
Itโs not so much a supernatural horror but a society-induced horror. We didnโt want the soundtrack to veer into the horror genre.
BH: I agree. Itโs a horror that takes place in society and thatโs very different than other horror films. It was a challenge to use sound to accentuate those things. This film had a perspective that was horrible in a social way.
RF: We had a narrower lane with this film than with a typical horror film. We couldnโt push too far into the horror realm. And Mariama didnโt want it to go in that direction either.
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A big thanks to Bob Hein and Robert Fernandez for giving us a behind-the-scenes look at the sound of Master and to Jennifer Walden for the interview!



