ASL (Average Shot Length) indicates the average duration of a shot between cuts in a film (total film run time divided by number of shots). It's a data used to compare films from their editing style : how often do they cut, how long do the shots last. A long ASL means the film uses, on average, longer shots and fewer cuts.
Comprehensive example of ASL calculation (at OffScreen) : Bresson's Pickpocket (1959) ASL = 10"
"In my book, THE WAY HOLLYWOOD TELLS IT, I try to show that the acceleration of cutting in recent decades can be seen as moving from an ASL range of 8-11 seconds before 1960 and towards a range of 4-6 seconds in recent years." David Bordwell
For reference, in an overview of the Cinemetrics general database (all types of films) Yuri Tsivian notes:
"the fastest film made between 1902 and 1909 has an ASL of 15.8 seconds while the slowest one made between 2000 and 2006 has an ASL of 10.01 seconds. In other words, the fastest runner in the beginning-of-the-past-century group is 5.7 seconds behind the slowest one of the twenty-first century."
But films that would fit our profile of Contemplative Cinema are underrepresented in this sample. I add Satantango (as calculated by Bordwell)
Did I say minimalism? The film consists, by my on-the-fly count, of 172 shots including the chapter titles), across 434 minutes (not counting the final credits). That creates an Average Shot Length of about two and a half minutes. Quite a comparison with contemporary American cinema! Still, people who’ve actually seen the film probably expect the average to be much longer. (Angelopoulos’ The Hunters averages well over three minutes per shot.) Some shots of course run for many minutes, but others are fairly brief. Bordwell blog
Let's take a look at some ASL numbers for various Silent Films and Contemplative Cinema (in a broad sense) [EDIT: see graphs here] :
"CONTEMPLATIVE CINEMA" (since 80-90ies)
- Russian Ark (2002/Sokurov) ASL= 96'
- Macbeth (1982/Tarr) ASL= 31.5'
- Five (2005/Kiarostami) ASL= 14'45"
- Autohystoria (2008/Martin) ASL= 5'37" (17 shots in 91')
- 13 Lakes (2004/Benning) ASL= 5'02" (25 shots in 126')
- The Man From London (2007/Tarr) ASL= 4'24"
- Werckmeister Harmonies (2000/Tarr) ASL= 3'48"
- Hamaca Paraguaya (2006/Encina) ASL= 2'40"
- Satantango (1994/Tarr) ASL= 2'33"
- Damnation (1987/Tarr) ASL= 2' (57 shots in 111')
- Eternity And a Day (1998/Angelopoulos) ASL= 1'54"
- Ulysses' Gaze (1995/Angelopoulos) ASL= 1'46"
- Woman is the Future of Man (2004/Hong Sang-soo) ASL= 1'39"
- Fantasma (2006/Alonso) ASL= 1'28" (43 shots in 63')
- Landscape in the mist (1988/Angelopoulos) ASL= 1'26"
- Like You Know It All (2009/Hong sang-soo) ASL= 1'18" (95 shots in 123')
- Unknown Pleasures (2002/Jia Zhang Ke) ASL= 1'17"
- Liverpool (2008/Alonso) ASL= 1'14" (68 shots in 84')
- Woman on the Beach (2006/Hong Sang-soo) ASL= 1'11"
- La Libertad (2001/Alonso) ASL= 1'10" (63 shots in 73')
- The Skywalk is Gone (2002/Tsai Ming-liang) ASL= 1'09"
- Stalker (1979/Tarkovsky) ASL= 1'08"
- In Public (2001/Jia Zhang-ke) ASL= 1'08"
- Platform (2000/Jia Zhang-ke) ASL= 1'08"
- Café Lumiére (2003/HHH) ASL= 1'07"
- 71 Fragments of a Chronology of Chance (1994/Haneke) ASL= 1'07"
- Gerry (2001/Van Sant) ASL= 1'05"
- Tale of Cinema (2005/Hong Sang-soo) ASL= 1'04"
- Afternoon Times (2005/Boonsinsukh) ASL= 1'02"
- Los Muertos (2004/Alonso) ASL= 59.3" (77 shots in 78')
- Dealer (2004/Fliegauf) ASL= 66.2" (118 shots in 130')
- Turning Gate (2002/Hong Sang-soo) ASL= 58"
- The World (2004/Jia Zhang-ke) ASL= 57"
- The Virgin Stripped Bare by Her Bachelors (2000/Hong Sang-soo) ASL= 53"
- Jeanne Dielman (1975/Akerman) ASL= 51.4" (223 shots in 191')
- Prefab People (1982/Tarr) ASL= 47"
- Few of Us (1996/Bartas) ASL= 38.5" (148 shots in 105')
- Our Daily Bread (2005/Geyrhalter) ASL= 38.2"
- Honor de cavalleria (2006/Serra) ASL= 35.7"
- Stellet Licht (2007/Reygadas) ASL= 35.1"
- The Wayward Cloud (2004/Tsai Ming-liang) ASL= 34.6"
- The Outsider (1981/Tarr) ASL= 33.5"
- The Power of Kangwon Province (1998/Hong Sang-soo) ASL= 33"
- Freedom (2000/Bartas) ASL= 32.9" (169 shots in 96')
- Family Nest (1979/Tarr) ASL= 32"
- Three Times (2005/HHH) ASL= 29.5"
- The Corridor (1994/Bartas) ASL= 27.9" (177 shots in 85')
- Oasis (2002/Lee Chang-dong) ASL= 26.5"
- The Outlaw Son (2006/Lowery) ASL= 26"
- The Day a Pig Fell in the Well (1996/Hong Sang-soo) ASL= 24"
- Drifting Clouds (1996/Kaurismäki) ASL= 21.5"
- Three Days (1991/Bartas) ASL= 20.9" (219 shots in 75')
- Twentynine Palms (2003/Dumont) ASL= 20.9"
- The Banishment (2007/Zvyagintsev) ASL= 19.7"
- The Brown Bunny (2003/Gallo) ASL= 17.9"
- Elephant (1989/Clarke) ASL= ~17.8"
- Old Joy (2005/Reichardt) ASL= 16.9"
- Tony Takitani (2004/Jun Ichikawa) ASL= 15.3"
- L'Humanité (1999/Dumont) ASL= 12.9"
- In The Mood For Love (2001/Wong Kar-wai) ASL= 12.4"
- Ariel (1988/Kaurismäki) ASL= 12.2"
- Sous le Sable (2000/Ozon) ASL= 12.2"
- The Man without a past (2002/Kaurismäki) ASL= 11.7"
- Before Sunset (2004/Linklater) ASL= 10.1"
- Shadows in paradise (1986/Kaurismäki) ASL= 9.5"
- The Straight Story (1999/Lynch) ASL= 8.6"
- 2046 (2004/Wong Kar-wai) ASL= 8.9"
- Chungking Express (1994/Wong Kar-wai) ASL= 8.6"
- As Tears Go By (1988/Wong Kar-wai) ASL= 7.2"
- 3-iron (2004/Kim Ki-duk) ASL= 7.1"
- Spring, summer, fall, winter and spring (2003/Kim Ki-duk) ASL= 6.9"
- The Idiots / Idioterne (1998/von Trier) ASL= 6.9"
MODERN PRECURSORS (before 1990-80)
- Almanac of Fall (1985/Tarr) ASL= 57" (115 shots in 120')
- La Signora senza camelie (1953/Antonioni) ASL= 55.6"
- The Prefab People (1982/Tarr) ASL= 46" (82 shots in 105')
- Andrey Rublyov (1971/Tarkovsky) ASL= 34.1"
- The Outsider (1981/Tarr) ASL= 31" (121 shots in 234')
- Le Amiche (1955/Antonioni) ASL= 26.7"
- Mirror, The (1974/Tarkovsky) ASL= 23.2"
- Il Grido (1957/Antonioni) ASL= 20.2"
- The Passenger (1975/Antonioni) ASL= 18.6"
- Ivan's Childhood (1962/Tarkovsky) ASL= 17.9"
- L'Avventura (1960/Antonioni) ASL= 17.7"
- Death in Venice (1971/Visconti) ASL=17.4"
- Husbands (1970/Cassavetes) ASL= 16"
- La Notte (1961/Antonioni) ASL= 15.8"
- Diary of a Country Priest (1950/Bresson) ASL= 15.6"
- There was a father (1942/Ozu) ASL= 14.8"
- 2001: A Space Odyssey (1968/Kubrick) ASL=13"
- Paris, Texas (1984/Wenders) ASL=12.4"
- A Woman Under the Influence (1974/Cassavetes) ASL= 12.1"
- L'Eclisse (1962/Antonioni) ASL= 11.9"
- Aguirre, the Wrath of God (1972/Herzog) ASL= 11.8"
- Tokyo Story (1953/Ozu) ASL= 10.2"
- Il Deserto Rosso (1964/Antonioni) ASL= 10.1"
- Faces (1968/Cassavetes) ASL= 8.7"
- Zabriskie Point (1970/Antonioni) ASL= 8.3"
- El Topo (1970/Jodorowski) ASL= 7.9"
- Lancelot du Lac (1974/Bresson) ASL= 7.5"
- Floating Weeds (1959/Ozu) ASL= 7.4"
- Bicycle Thieves (1948/De Sica) ASL= 7.2"
- Shadows (1959/Cassavetes) ASL= 7.1"
- Good Morning (1959/Ozu) ASL= 7"
- Nuit et brouillard (1955/Resnais) ASL= 5.9"
- Act of Seeing with One's Own Eyes (1971/Brakhage) ASL= 4.6"
- The Seasons (1975/Peleshian) ASL= 0.53"
NARRATIVE SILENT FILMS (for comparison)
- After Death (1915/Bauer) ASL= 21.2"
- Das Cabinet des Dr. Caligari. (1919/Wiene) ASL= 10.7"
- Sunrise (1927/Murnau) ASL= 9.4"
- Vampyr (1932/Dreyer) ASL= 8.8"
- Frankenstein (1931/Whale) ASL= 8.6"
- Faust (1926/Murnau) ASL= 7.9"
- Nosferatu (1922/Murnau) ASL= 7.8"
- People on Sunday (1930/Siodmak) ASL= 5.2"
- A Story of Floating Weeds (1934/ozu) ASL= 4.6"
- An Inn in Tokyo (1935/Ozu) ASL= 4.5"
- I was born, but... (1932/Ozu) ASL= 4"
- Strike (1925/Eisenstein) ASL= 3"
