Oscar al millor so

L'Oscar al millor so (Academy Award for Sound Mixing) és un premi atorgat per l'Acadèmia de les Arts i les Ciències Cinematogràfiques, tots els anys des de 1930. Aquest premi Oscar reconeix el millor o més fonoestètic so, i en general es premia els millors enregistraments o mescles sonores. Sol anar lligat amb l'oscar a la millor edició de so. En les llistes que segueixen, el guanyador del premi es mostra en negreta en primer lloc i el segueixen els altres nominats.

1930

1929–1930: The Big House - Douglas Shearer, Metro-Goldwyn-Mayer Studio
- The Case of Sergeant Grischa
- The Love Parade
- Raffles
- The Song of the Flame
1930–1931: Paramount Publix Studio Sound Department
- MGM Studio Sound Department
- RKO Radio Studio Sound Department
- Samuel Goldwyn-United Artists Studio Sound Department
1931–1932: Paramount Publix Studio Sound Department
- MGM Studio Sound Department
- RKO Radio Studio Sound Department
- Walt Disney
- Warner Bros.First National Studio Sound Department
1932–1933: A Farewell to Arms - Franklin Hansen, Paramount Studio
1934: One Night of Love - John Livadary, Columbia Studio
- The Affairs of Cellini
- Cleopatra
- Flirtation Walk
- The Gay Divorcee
- Imitation of Life
- Viva Villa!
- White Parade
1935: Naughty Marietta - Douglas Shearer, Metro-Goldwyn-Mayer Studio
- 1,000 Dollars a Minute
- Bride of Frankenstein
- Captain Blood
- The Dark Angel
- I Dream Too Much
- The Lives of a Bengal Lancer
- Love Me Forever
- Thanks a Million
1936: San Francisco - Douglas Shearer, Metro-Goldwyn-Mayer Studio
- Banjo on My Knee
- The Charge of the Light Brigade
- Dodsworth
- General Spanky
- Mr. Deeds Goes to Town
- The Texas Rangers
- That Girl from Paris
- Three Smart Girls
1937: The Hurricane (pel·lícula 1937) - Thomas Moulton, United Artists Studio
- The Girl Said No
- Hitting a New High
- In Old Chicago
- The Life of Emile Zola
- Lost Horizon
- Maytime
- One Hundred Men i a Girl
- Topper
- Wells Fargo
1938: The Cowboy i the Lady - Thomas Moulton, United Artists Studio
- Army Girl
- Four Daughters
- If I Were King
- Merrily We Live
- Suez
- Sweethearts
- That Certain Age
- Vivacious Lady
- No us l'endureu pas
1939: When Tomorrow Comes - Bernard Brown, Universal Studio
- Balalaika
- Allò que el vent s'endugué (Gone with the Wind)
- Goodbye, Mr. Chips
- The Great Victor Herbert
- The Hunchback of Notre Dame
- Man of Conquest
- Mr. Smith Goes to Washington
- Of Mice i Men
- The Private Lives of Elizabeth i Essex
- The Rains Came

1940

1940: Strike Up the Band - Douglas Shearer, Metro-Goldwyn-Mayer Studio
- Behind the News
- Captain Caution
- El raïm de la ira (The Grapes of Wrath)
- The Howards of Virginia
- Kitty Foyle: The Natural History of a Woman
- North West Mounted Police
- Our Town
- The Sea Hawk
- Spring Parade
- Too Many Husbands
1941: That Hamilton Woman - Jack Whitney, General Service
- Appointment for Love
- Bola de foc )(Ball of Fire)
- The Chocolate Soldier
- Ciutadà Kane (Citizen Kane)
- The Devil Pays Off
- Que verda era la meva vall (How Green Was My Valley)
- The Men in Her Life
- El sergent York (Sergeant York)
- Skylark
- Topper Returns
1942: Yankee Doodle Dandy - Nathan Levinson, Warner Brothers Studio
- Arabian Nights
- Bambi
- Flying Tigers
- Friendly Enemies
- The Gold Rush
- Mrs. Miniver
- Once Upon a Honeymoon
- The Pride of the Yankees
- Road to Morocco
- This Above All
- You Were Never Lovelier
1943: Aquesta terra és meva - Stephen Dunn, RKO Radio Studio
- Hangmen Also Die
- In Old Oklahoma
- Madame Curie
- The North Starr
- Phantom of the Opera
- Riding High
- Sahara
- Saludos Amigos
- So this is Washington
- The Song of Bernadette
- This is the Army
1944: Wilson - E. H. Hansen, 20th Century-Fox Studio
- Brazil
- Casanova Brown
- Les models
- Double Indemnity
- His Butler's Sister
- Hollywood Canteen
- It Happened Tomorrow
- Kismet
- Music in Manhattan
- A Voice in the Wind
1945: The Bells of St. Mary's - Stephen Dunn, RKO Radio Studio
- Algun dia tornaré (Flame of Barbary Coast)
- Lady on a Train
- Que el cel la jutgi
- Rhapsody in Blue
- A Song to Remember
- The Southerner
- They Were Expendable
- The Three Caballeros
- Three Is a Family
- The Unseen
- Wonder Man
1946: The Jolson Story - John Livadary, Columbia Studio
- Els millors anys de la nostra vida (The Best Years of Our Lives)
- Que bonic que és viure (It's a Wonderful Life)
1947: The Bishop's Wife - Gordon Sawyer, Samuel Goldwyn Studio
- Green Dolphin Street
- T-Men
1948: The Snake Pit - Thomas Moulton, 20th Century-Fox Studio
- Johnny Belinda
- Moonrise
1949: Twelve O'Clock High - Thomas Moulton, 20th Century-Fox Studio
- Once More, My Darling
- Sands of Iwo Jima

1950

1950: Tot sobre Eva (All about Eve) - Thomas Moulton, 20th Century-Fox Studio
- Cinderella
- Louisa
- Our Very Own
- Trio
1951: The Great Caruso - Douglas Shearer, Metro-Goldwyn-Mayer Studio
- Bright Victory
- I Want You
- A Streetcar Named Desire
- Camí a Broadway
1952: The Sound Barrier - London Pel·lículas Sound Department
- The Card
- Hans Christian Andersen
- The Quiet Man
- With a Song in My Heart
1953: D'aquí a l'eternitat (From Here to Eternity) - John Livadary, Columbia Studio
1954: The Glenn Miller Story - Leslie Carey, Universal-International Studio
- Brigadoon
- El motí del Caine (The Caine Mutiny)
- Rear Window
- Susan Slept Here
1955: Oklahoma! - Fred Hynes, Todd-AO Sound Department
- Love Is a Many-Splendored Thing
- Love Me or Leave Me
- Mister Roberts
- Not as a Stranger, Watson Jones, RCA Sound Department
1956: The King i I - Carl Faulkner, 20th Century-Fox Studio
- The Brave One
- The Eddy Duchin Story
- Friendly Persuasion
- Els Deu Manaments
1957: Sayonara - George Groves, Warner Brothers Studio
- Gunfight at the O.K. Corral
- Les Girls
- Pal Joey
- Testimoni de càrrec (Witness for the Prosecution)
1958: South Pacific - Fred Hynes, Todd-AO Sound Department
- Vull viure
- A Time to Love i a Time to Die
- Vertigo
- El ball dels maleïts
1959: Ben-Hur - Franklin Milton, Metro-Goldwyn-Mayer Studio
- Journey to the Center of the Earth
- Libel
- Reginald Denny
- Porgy i Bess

1960

1960: The Alamo - Fred Hynes, Todd-AO Sound Department i Gordon Sawyer, Samuel Goldwyn Studio
- The Apartment
- Cimarron
- Pepe
- Sunrise at Campobello
1961: West Side Story - Gordon Sawyer, Samuel Goldwyn Studio i Fred Hynes, Todd-AO Sound Department
- The Children's Hour
- Flower Drum Song
- The Guns of Navarone
- The Parent Trap
1962: Lawrence d'Aràbia - John Cox, Shepperton Studios
- Bon Voyage!
- The Music Man
- That Touch of Mink
- Què se n'ha fet, de Baby Jane?
1963: How the West Was Won - Franklin Milton, Metro-Goldwyn-Mayer Studio
- Bye Bye Birdie
- Captain Newman, M.D.
- Cleopatra
- El món és boig, boig, boig
1964: My Fair Lady - George Groves, Warner Brothers Studio
- Becket
- Father Goose
- Mary Poppins
- The Unsinkable Molly Brown
1965: Somriures i llàgrimes - James Corcoran, 20th Century-Fox Studio
- The Agony i the Ecstasy
- Doctor Givago
- The Great Race
- Shenandoah
1966: Grand Prix - Franklin Milton, Metro-Goldwyn-Mayer Studio
- Gambit
- Hawaii
- The Sand Pebbles
- Qui té por de Virginia Woolf? (Who's Afraid of Virginia Woolf?))
1967: En la calor de la nit (In the Heat of the Night)' - Samuel Goldwyn Studio
- Camelot
- Els dotze del patíbul
- Doctor Dolittle
- Millie, una noia moderna
1968: Oliver! - Shepperton Studio
- Bullitt
- Finian's Rainbow
- Funny Girl
- Star!
1969: Hello, Dolly! - Jack Solomon, Murray Spivack
- Anne of the Thousand Days
- Butch Cassidy i the Sundance Kid
- Gaily, Gaily
- Marooned

1970

1970: Patton - Douglas Williams, Don Bassman
- Airport
- La filla de Ryan
- Tora! Tora! Tora!
- Woodstock
1971: El violinista a la teulada - Gordon McCallum, David Hildyard
- Diamonds Are Forever
- The French Connection
- Kotch
- Mary, Queen of Scots
1972: Cabaret - Robert Knudson, David Hildyard
- Les papallones són lliures (Butterflies Are Free)
- The Candidate
- El padrí (The Godfather)
- L'aventura del Posidó
1973: L'exorcista - Robert Knudson, Chris Newman
- The Day of the Dolphin
- The Paper Chase
- Paper Moon
- El cop
1974: Earthquake - Ronald Pierce, Melvin Metcalfe Sr.
- Chinatown
- The Conversation
- El colós en flames
- El jove Frankenstein
1975: Jaws - Robert Hoyt, Roger Heman, Earl Madery, John Carter
- Bite the Bullet
- Funny Lady
- The Hindenburg
- The Wind and the Lion
1976: Tots els homes del president - Arthur Piantadosi, Les Fresholtz, Dick Alexander, Jim Webb
- King Kong
- Rocky
- Silver Streak
- A Star Is Born
1977: Star Wars episodi IV: Una nova esperança (Star Wars Episode IV: A New Hope) - Don MacDougall, Ray West, Bob Minkler, Derek Ball
- Encontres a la tercera fase
- The Deep
- Sorcerer
- The Turning Point
1978: El caçador (The Deer Hunter) - Richard Portman, William McCaughey, Aaron Rochin, Darin Knight
- The Buddy Holly Story
- Days of Heaven
- Hooper
- Superman
1979: Apocalypse Now - Walter Murch, Mark Berger, Richard Beggs, Nat Boxer
- 1941
- The Electric Horseman
- Meteor
- The Rose

1980

1980: Star Wars Episodi V: L'Imperi Contraataca (Star Wars Episode V: The Empire Strikes Back) - Bill Varney, Steve Maslow, Gregg Landaker, Peter Sutton
- Altered States
- Coal Miner's Daughter
- Fame
- Raging Bull
1981: A la recerca de l'arca perduda (Raiders of the Lost Ark) - Bill Varney, Steve Maslow, Gregg Landaker, Roy Charman
- On Golden Pond
- Outland
- Pennies from Heaven
- Reds
1982: E.T. the Extra-Terrestrial - Robert Knudson, Robert Glass, Don Digirolamo, Gene Cantamessa
- Das Boot
- Gandhi
- Tootsie
- Tron
1983: Escollits per a la glòria - Mark Berger, Tom Scott, Randy Thom, David MacMillan
- Never Cry Wolf
- Star Wars Episodi VI: El Retorn del Jedi (Star Wars Episode VI: Return of the Jedi)
- Terms of Endearment
- WarGames
1984: Amadeus - Mark Berger, Tom Scott, Todd Boekelheide, Chris Newmna
- 2010
- Dune
- Passatge a l'Índia (A Passage to India)
- The River
1985: Out of Africa - Chris Jenkins, Gary Alexander, Larry Stensvold, Peter Handford
- Back to the Future
- A Chorus Line
- Lady Falcó
- Silverado
1986: Platoon - John K. Wilkinson, Richard Rogers, Charles "Bud" Grenzbach, Simon Kaye
- Aliens
- Heartbreak Ridge
- Star Trek IV: The Voyage Home
- Top Gun
1987: L'últim emperador (The Last Emperor) - Bill Rowe, Ivan Sharrock
- Empire of the Sun
- Arma letal (Lethal Weapon)
- RoboCop
- The Witches of Eastwick
1988: Bird - Les Fresholtz, Dick Alexander, Vern Poore, Willie Burton
1989: Temps de glòria - Donald Mitchell, Gregg Rudloff, Elliot Tyson, Russell Williams
- The Abyss
- Black Rain
- Born on the Fourth of July
- Indiana Jones i the Last Crusade

1990

1990: Ballant amb llops (Dances with Wolves) - Jeffrey Perkins, Bill Benton, Greg Watkins, Russell Williams
- Days of Thunder
- Dick Tracy
- The Hunt for Red October
- Total Recall

1991: Terminator 2: Judgment Day - Tom Johnson, Gary Rydstrom, Gary Summers, Lee Orloff
- Backdraft
- Beauty and the Beast
- JFK
- El silenci dels anyells (The Silence of the Lambs)
1992: The Last of the Mohicans - Chris Jenkins, Doug Hemphill, Mark Smith, Simon Kaye
- Aladdin
- Alguns homes bons (A Few Good Men)
- Under Siege
- Unforgiven
1993: Jurassic Park - Gary Summers, Gary Rydstrom, Shawn Murphy, Ron Judkins
- Cliffhanger
- El fugitiu
- Geronimo: An American Legend
- La llista de Schindler (Schindler's List)
1994: Speed - Gregg Landaker, Steve Maslow, Bob Beemer, David MacMillan
- Clear i Present Danger
- Forrest Gump
- Llegendes de passió
- Cadena perpètua (The Shawshank Redemption)
1995: Apol·lo 13 - Rick Dior, Steve Pederson, Scott Millan, David MacMillan
- Batman Forever
- Braveheart
- Crimson Tide
- Waterworld
1996: El pacient anglès (The English Patient) - Walter Murch, Mark Berger, David Parker, Chris Newman
- Evita
- Independence Day
- The Rock
- Twister
1997: Titanic - Gary Rydstrom, Tom Johnson, Gary Summers, Mark Ulano
- Air Force One
- Con Air
- Contact
- L.A. Confidential
1998: Saving Private Ryan - Gary Rydstrom, Gary Summers, Andy Nelson, Ronald Judkins
- Armageddon
- The Mask of Zorro
- Shakespeare in Love
- The Thin Red Line
1999: The Matrix - John Reitz, Gregg Rudloff, David Campbell, David Lee
- The Green Mile
- El dilema
- La mòmia
- Star Wars Episodi I: L'Amenaça Fantasma (Star Wars Episode I: The Phantom Menace)

2000

2000: Gladiator - Bob Beemer, Scott Millan i Ken Weston
- Cast Away
- El patriota
- La tempesta perfecta
- U-571

2001: Black Hawk abatut - Michael Minkler, Chris Munro i Myron Nettinga
- Amélie
- El senyor dels anells: La germandat de l'anell
- Moulin Rouge!
- Pearl Harbor

2002: Chicago - David Lee, Michael Minkler i Dominic Tavella

2003: El senyor dels anells: El retorn del rei - Christopher Boyes, Michael Hedges, Hammond Peek i Michael Semanick

2004: Ray - Bob Beemer, Steve Cantamessa, Scott Millan i Greg Orloff
- L'aviador
- Els increïbles (The Incredibles)
- The Polar Express
- Spider-Man 2

2005: King Kong - Christopher Boyes, Michael Hedges, Hammond Peek i Michael Semanick

2006: Dreamgirls - Bob Beemer, Willie Burton i Michael Minkler
- Apocalypto
- Diamant de sang (Blood Diamond)
- Flags of Our Fathers
- Pirates of the Caribbean: Dead Man's Chest

2007: L'ultimàtum de Bourne - Karen Baker i Per Hallberg
- El tren de les 3:10
- No Country for Old Men
- Ratatouille
- Transformers

2008: Slumdog Millionaire - Resul Pookutty, Richard Pryke i Ian Tapp
- The Curious Case of Benjamin Button
- The Dark Knight
- WALL·E
- Wanted

2009: The Hurt Locker - Paul N.J. Ottosson i Ray Beckett
- Avatar
- Inglorious Basterds
- Star Trek
- Transformers: Revenge of the Fallen

2010

2010: Inception – Lora Hirschberg, Gary A. Rizzo i Ed Novick
- El discurs del rei – Paul Hamblin, Martin Jensen i John Midgley
- Salt – Jeffrey J. Haboush, Greg P. Russell, Scott Millan i William Sarokin
- La xarxa social – Ren Klyce, David Parker, Michael Semanick i Mark Weingarten
- True Grit – Skip Lievsay, Craig Berkey, Greg Orloff i Peter F. Kurland
2011: Hugo - Tom Fleischman i John Midgley
- Millennium: Els homes que no estimaven les dones - David Parker, Michael Semanick, Ren Klyce i Bo Persson
- Moneyball - Deb Adair, Ron Bochar, Dave Giammarco i Ed Novick
- Transformers: Dark of the Moon - Greg P. Russell, Gary Summers, Jeffrey J. Haboush i Peter J. Devlin
- War Horse - Gary Rydstrom, Andy Nelson, Tom Johnson i Stuart Wilson