id stringlengths 24 24 | question stringlengths 1 270 | answer stringlengths 1 239 | documents listlengths 1 1 |
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572844d0ff5b5019007da070 | Do LaserDiscs or DVD use analog video? | LaserDiscs | [
"LaserDisc\n\nIn contrast to the entirely digital DVD, LaserDiscs use only analog video. As the LaserDisc format is not digitally encoded and does not make use of compression techniques, it is immune to video macroblocking (most visible as blockiness during high motion sequences) or contrast banding (subtle visible... |
572844d0ff5b5019007da071 | Are DVDs partially or entirely digital? | entirely | [
"LaserDisc\n\nIn contrast to the entirely digital DVD, LaserDiscs use only analog video. As the LaserDisc format is not digitally encoded and does not make use of compression techniques, it is immune to video macroblocking (most visible as blockiness during high motion sequences) or contrast banding (subtle visible... |
572844d0ff5b5019007da072 | What is contrast banding? | subtle visible lines in gradient areas | [
"LaserDisc\n\nIn contrast to the entirely digital DVD, LaserDiscs use only analog video. As the LaserDisc format is not digitally encoded and does not make use of compression techniques, it is immune to video macroblocking (most visible as blockiness during high motion sequences) or contrast banding (subtle visible... |
572844d0ff5b5019007da073 | What step of the DVD production process causes contrast banding? | MPEG-2 encoding process | [
"LaserDisc\n\nIn contrast to the entirely digital DVD, LaserDiscs use only analog video. As the LaserDisc format is not digitally encoded and does not make use of compression techniques, it is immune to video macroblocking (most visible as blockiness during high motion sequences) or contrast banding (subtle visible... |
57284672ff5b5019007da0b2 | How does LaserDisc operation vary from DVD? | the transport mechanism always obeys commands from the user | [
"LaserDisc\n\nLaserDisc players can provide a great degree of control over the playback process. Unlike many DVD players, the transport mechanism always obeys commands from the user: pause, fast-forward, and fast-reverse commands are always accepted (barring, of course, malfunctions). There were no \"User Prohibite... |
57284672ff5b5019007da0b3 | What are "User Protected Options" on DVDs? | where content protection code instructs the player to refuse commands to skip a specific part | [
"LaserDisc\n\nLaserDisc players can provide a great degree of control over the playback process. Unlike many DVD players, the transport mechanism always obeys commands from the user: pause, fast-forward, and fast-reverse commands are always accepted (barring, of course, malfunctions). There were no \"User Prohibite... |
57284672ff5b5019007da0b4 | Where are User Protected Options commonly found on DVDs? | copyright warnings | [
"LaserDisc\n\nLaserDisc players can provide a great degree of control over the playback process. Unlike many DVD players, the transport mechanism always obeys commands from the user: pause, fast-forward, and fast-reverse commands are always accepted (barring, of course, malfunctions). There were no \"User Prohibite... |
57284672ff5b5019007da0b5 | Which format, LaserDisc or DVD, gives the user the most control over playback? | LaserDisc | [
"LaserDisc\n\nLaserDisc players can provide a great degree of control over the playback process. Unlike many DVD players, the transport mechanism always obeys commands from the user: pause, fast-forward, and fast-reverse commands are always accepted (barring, of course, malfunctions). There were no \"User Prohibite... |
572847713acd2414000df863 | What does the repair+skip feature on newer DVD players do? | filling in unreadable areas of the picture with blank space or a frozen frame of the last readable image and sound | [
"LaserDisc\n\nDamaged spots on a LaserDisc can be played through or skipped over, while a DVD will often become unplayable past the damage. Some newer DVD players feature a repair+skip algorithm, which alleviates this problem by continuing to play the disc, filling in unreadable areas of the picture with blank spac... |
572847713acd2414000df864 | Which format, DVD or Laserdisc, can become unreadable with damage? | DVD | [
"LaserDisc\n\nDamaged spots on a LaserDisc can be played through or skipped over, while a DVD will often become unplayable past the damage. Some newer DVD players feature a repair+skip algorithm, which alleviates this problem by continuing to play the disc, filling in unreadable areas of the picture with blank spac... |
572847713acd2414000df865 | Will the same size scratch cause more problems for a DVD or LaserDisc? | DVD | [
"LaserDisc\n\nDamaged spots on a LaserDisc can be played through or skipped over, while a DVD will often become unplayable past the damage. Some newer DVD players feature a repair+skip algorithm, which alleviates this problem by continuing to play the disc, filling in unreadable areas of the picture with blank spac... |
572848e94b864d19001648c4 | Which format is considered to look most realistic, LaserDisc or DVD? | LaserDisc | [
"LaserDisc\n\nSimilar to the CD versus LP sound quality debates common in the audiophile community, some videophiles argue that LaserDisc maintains a \"smoother\", more \"film-like\", natural image while DVD still looks slightly more artificial. Early DVD demo discs often had compression or encoding problems, lendi... |
572848e94b864d19001648c5 | Which format, LaserDisc or DVD, is said to appear sharper and clearer to most viewers? | DVDs | [
"LaserDisc\n\nSimilar to the CD versus LP sound quality debates common in the audiophile community, some videophiles argue that LaserDisc maintains a \"smoother\", more \"film-like\", natural image while DVD still looks slightly more artificial. Early DVD demo discs often had compression or encoding problems, lendi... |
572848e94b864d19001648c6 | What features do LaserDiscs lack in, causing DVDs to appear sharper and clearer? | video signal-to-noise ratio and bandwidth | [
"LaserDisc\n\nSimilar to the CD versus LP sound quality debates common in the audiophile community, some videophiles argue that LaserDisc maintains a \"smoother\", more \"film-like\", natural image while DVD still looks slightly more artificial. Early DVD demo discs often had compression or encoding problems, lendi... |
57284a1b4b864d19001648ca | What was the vertical blanking interval used for in LaserDiscs, preventing Macrovision signal to be implemented? | internal timing | [
"LaserDisc\n\nAnother advantage, at least to some consumers, was the lack of any sort of anti-piracy technology. It was claimed that Macrovision's Copyguard protection could not be applied to LaserDisc, due to the format's design. The vertical blanking interval, where the Macrovision signal would be implemented, wa... |
57284a1b4b864d19001648cb | Why wasn't there a need to redesign the LaserDisc format to prevent piracy? | relatively small market share | [
"LaserDisc\n\nAnother advantage, at least to some consumers, was the lack of any sort of anti-piracy technology. It was claimed that Macrovision's Copyguard protection could not be applied to LaserDisc, due to the format's design. The vertical blanking interval, where the Macrovision signal would be implemented, wa... |
57284a1b4b864d19001648cc | What protection could not be applied to LaserDiscs, making them prone to piracy? | Macrovision's Copyguard protection | [
"LaserDisc\n\nAnother advantage, at least to some consumers, was the lack of any sort of anti-piracy technology. It was claimed that Macrovision's Copyguard protection could not be applied to LaserDisc, due to the format's design. The vertical blanking interval, where the Macrovision signal would be implemented, wa... |
57284b0c4b864d19001648da | LaserDisc was the first format to provide what type of releases to consumers? | "Special Edition" | [
"LaserDisc\n\nLaserDisc's support for multiple audio tracks allowed for vast supplemental materials to be included on-disc and made it the first available format for \"Special Edition\" releases; the 1984 Criterion Collection edition of Citizen Kane is generally credited as being the first \"Special Edition\" relea... |
57284b0c4b864d19001648db | What was the first "Special Edition" film to be released to home video? | the 1984 Criterion Collection edition of Citizen Kane | [
"LaserDisc\n\nLaserDisc's support for multiple audio tracks allowed for vast supplemental materials to be included on-disc and made it the first available format for \"Special Edition\" releases; the 1984 Criterion Collection edition of Citizen Kane is generally credited as being the first \"Special Edition\" relea... |
57284b0c4b864d19001648dc | What bonus features were available on the first home video "Special Edition"? | interviews, commentary tracks, documentaries, still photographs | [
"LaserDisc\n\nLaserDisc's support for multiple audio tracks allowed for vast supplemental materials to be included on-disc and made it the first available format for \"Special Edition\" releases; the 1984 Criterion Collection edition of Citizen Kane is generally credited as being the first \"Special Edition\" relea... |
57284b0c4b864d19001648dd | What feature, unique to LaserDisc, made bonus content possible? | support for multiple audio tracks | [
"LaserDisc\n\nLaserDisc's support for multiple audio tracks allowed for vast supplemental materials to be included on-disc and made it the first available format for \"Special Edition\" releases; the 1984 Criterion Collection edition of Citizen Kane is generally credited as being the first \"Special Edition\" relea... |
57284d94ff5b5019007da136 | What was required of a LaserDisc to continue playback after 60 minutes? | a disc has to be flipped over in order to continue watching | [
"LaserDisc\n\nThe space-consuming analog video signal of a LaserDisc limited playback duration to 30 minutes (CAV) or 60 minutes (CLV) per side because of the hardware manufacturer's refusal to reduce line count for increased playtime. After one side was finished playing, a disc has to be flipped over in order to c... |
57284d94ff5b5019007da137 | Which LaserDisc player solves the disc switching dilemma? | Pioneer LD-W1 | [
"LaserDisc\n\nThe space-consuming analog video signal of a LaserDisc limited playback duration to 30 minutes (CAV) or 60 minutes (CLV) per side because of the hardware manufacturer's refusal to reduce line count for increased playtime. After one side was finished playing, a disc has to be flipped over in order to c... |
57284d94ff5b5019007da138 | What must be reduced in order to allow LaserDisc playback time to increase? | line count | [
"LaserDisc\n\nThe space-consuming analog video signal of a LaserDisc limited playback duration to 30 minutes (CAV) or 60 minutes (CLV) per side because of the hardware manufacturer's refusal to reduce line count for increased playtime. After one side was finished playing, a disc has to be flipped over in order to c... |
57284d94ff5b5019007da139 | Which format allows for more playback tie per side, CLV or CAV? | CLV | [
"LaserDisc\n\nThe space-consuming analog video signal of a LaserDisc limited playback duration to 30 minutes (CAV) or 60 minutes (CLV) per side because of the hardware manufacturer's refusal to reduce line count for increased playtime. After one side was finished playing, a disc has to be flipped over in order to c... |
57284e4b2ca10214002da26e | What video problems on a LaserDisc can be caused by dust or scratches? | glitches, streaks, bursts of static, or momentary picture interruptions | [
"LaserDisc\n\nThe analog information encoded on LaserDiscs does not include any form of built-in checksum or error correction. Because of this, slight dust and scratches on the disc surface can result in read-errors which cause various video quality problems: glitches, streaks, bursts of static, or momentary pictur... |
57284e4b2ca10214002da26f | Which format used in DVDs has built-in error correction? | digital MPEG-2 | [
"LaserDisc\n\nThe analog information encoded on LaserDiscs does not include any form of built-in checksum or error correction. Because of this, slight dust and scratches on the disc surface can result in read-errors which cause various video quality problems: glitches, streaks, bursts of static, or momentary pictur... |
57284e4b2ca10214002da270 | What type of encoding, analog or digital, causes LaserDiscs to be succeptable to damages? | analog | [
"LaserDisc\n\nThe analog information encoded on LaserDiscs does not include any form of built-in checksum or error correction. Because of this, slight dust and scratches on the disc surface can result in read-errors which cause various video quality problems: glitches, streaks, bursts of static, or momentary pictur... |
57284ee52ca10214002da27c | When does "crosstalk" occur? | when the laser optical pickup assembly within the player is out of alignment or because the disc is damaged or excessively warped | [
"LaserDisc\n\nIn addition, LaserDisc videos sometimes exhibit a problem known as \"crosstalk\". The issue can arise when the laser optical pickup assembly within the player is out of alignment or because the disc is damaged or excessively warped, but it could also occur even with a properly functioning player and a... |
57284ee52ca10214002da27d | What problem can be caused by a player becoming out of alignment? | "crosstalk" | [
"LaserDisc\n\nIn addition, LaserDisc videos sometimes exhibit a problem known as \"crosstalk\". The issue can arise when the laser optical pickup assembly within the player is out of alignment or because the disc is damaged or excessively warped, but it could also occur even with a properly functioning player and a... |
57284ee52ca10214002da27e | How does "crosstalk" appear to the viewer? | swirling "barber poles" or rolling lines of static | [
"LaserDisc\n\nIn addition, LaserDisc videos sometimes exhibit a problem known as \"crosstalk\". The issue can arise when the laser optical pickup assembly within the player is out of alignment or because the disc is damaged or excessively warped, but it could also occur even with a properly functioning player and a... |
57284fd82ca10214002da282 | In which format does crosstalk generally not occur? | CAV | [
"LaserDisc\n\nAssuming the player's optical pickup is in proper working order, crosstalk distortion normally does not occur during playback of CAV format LaserDiscs, as the rotational speed never varies. However, if the player calibration is out of order or if the CAV disc is faulty or damaged, other problems affec... |
57284fd82ca10214002da283 | Why does the CAV format prevent crosstalk? | the rotational speed never varies | [
"LaserDisc\n\nAssuming the player's optical pickup is in proper working order, crosstalk distortion normally does not occur during playback of CAV format LaserDiscs, as the rotational speed never varies. However, if the player calibration is out of order or if the CAV disc is faulty or damaged, other problems affec... |
57284fd82ca10214002da284 | What happens during "laser lock"? | the player reads the same two fields for a given frame over and over again, causing the picture to look frozen | [
"LaserDisc\n\nAssuming the player's optical pickup is in proper working order, crosstalk distortion normally does not occur during playback of CAV format LaserDiscs, as the rotational speed never varies. However, if the player calibration is out of order or if the CAV disc is faulty or damaged, other problems affec... |
572850e43acd2414000df8f3 | Is LaserDisc quality consistent or inconsistent between player brands? | inconsistency | [
"LaserDisc\n\nAnother significant issue unique to LaserDisc is one involving the inconsistency of playback quality between different makers and models of player. On most televisions, a given DVD player will produce a picture that is visually indistinguishable from other units. Differences in image quality between p... |
572850e43acd2414000df8f4 | What is LaserDisc playback quality dependent on? | hardware quality | [
"LaserDisc\n\nAnother significant issue unique to LaserDisc is one involving the inconsistency of playback quality between different makers and models of player. On most televisions, a given DVD player will produce a picture that is visually indistinguishable from other units. Differences in image quality between p... |
572850e43acd2414000df8f5 | How cheaply could an older LaserDisc player be purchased in the 1990s? | $25 | [
"LaserDisc\n\nAnother significant issue unique to LaserDisc is one involving the inconsistency of playback quality between different makers and models of player. On most televisions, a given DVD player will produce a picture that is visually indistinguishable from other units. Differences in image quality between p... |
572850e43acd2414000df8f6 | What range of prices were high-end LaserDisc players in the 1990s? | US$200 to well over $1,000 | [
"LaserDisc\n\nAnother significant issue unique to LaserDisc is one involving the inconsistency of playback quality between different makers and models of player. On most televisions, a given DVD player will produce a picture that is visually indistinguishable from other units. Differences in image quality between p... |
572851ba4b864d190016493c | What substandard product was used in LD manufacturing that caused "laser rot"? | adhesive | [
"LaserDisc\n\nMany early LDs were not manufactured properly; sometimes a substandard adhesive was used to sandwich together the two sides of the disc.[citation needed] The adhesive contained impurities that were able to penetrate the lacquer seal layer and chemically attack the metalized reflective aluminium layer,... |
572851ba4b864d190016493d | What was the internal name for "laser rot" within LD processing plants? | "color flash" | [
"LaserDisc\n\nMany early LDs were not manufactured properly; sometimes a substandard adhesive was used to sandwich together the two sides of the disc.[citation needed] The adhesive contained impurities that were able to penetrate the lacquer seal layer and chemically attack the metalized reflective aluminium layer,... |
572851ba4b864d190016493e | What problems could occur with laser rot? | black spots that looked like mold or burned plastic which cause the disc to skip and the movie to exhibit excessive speckling noise | [
"LaserDisc\n\nMany early LDs were not manufactured properly; sometimes a substandard adhesive was used to sandwich together the two sides of the disc.[citation needed] The adhesive contained impurities that were able to penetrate the lacquer seal layer and chemically attack the metalized reflective aluminium layer,... |
572853173acd2414000df915 | Why didn't LaserDiscs become popular in North America? | high cost of the players and discs | [
"LaserDisc\n\nLaserDisc did not have high market penetration in North America due to the high cost of the players and discs, which were far more expensive than VHS players and tapes, and due to marketplace confusion with the technologically inferior CED, which also went by the name Videodisc. While the format was n... |
572853173acd2414000df916 | By 1990, how many American homes were estimated to use LD? | nearly one million | [
"LaserDisc\n\nLaserDisc did not have high market penetration in North America due to the high cost of the players and discs, which were far more expensive than VHS players and tapes, and due to marketplace confusion with the technologically inferior CED, which also went by the name Videodisc. While the format was n... |
572853173acd2414000df917 | Why were LaserDiscs more popular in Japan? | prices were kept low to ensure adoption | [
"LaserDisc\n\nLaserDisc did not have high market penetration in North America due to the high cost of the players and discs, which were far more expensive than VHS players and tapes, and due to marketplace confusion with the technologically inferior CED, which also went by the name Videodisc. While the format was n... |
572853173acd2414000df918 | Which format was more popular in high humidity areas such as Singapore? | LaserDiscs | [
"LaserDisc\n\nLaserDisc did not have high market penetration in North America due to the high cost of the players and discs, which were far more expensive than VHS players and tapes, and due to marketplace confusion with the technologically inferior CED, which also went by the name Videodisc. While the format was n... |
572853c14b864d1900164950 | How much did a LD cost in Hong Kong in the 1990s? | USD100 | [
"LaserDisc\n\nThe format also became quite popular in Hong Kong during the 1990s before the introduction of VCDs and DVD; although people rarely bought the discs (because each LD was priced around USD100), high rental activity helped the video rental business in the city grow larger than it had ever been previously... |
572853c14b864d1900164951 | Broadcast in Hong Kong used which standard formatting? | PAL standard | [
"LaserDisc\n\nThe format also became quite popular in Hong Kong during the 1990s before the introduction of VCDs and DVD; although people rarely bought the discs (because each LD was priced around USD100), high rental activity helped the video rental business in the city grow larger than it had ever been previously... |
572853c14b864d1900164952 | In contrast to broadcast, which format did consumers use in Hong Kong? | NTSC | [
"LaserDisc\n\nThe format also became quite popular in Hong Kong during the 1990s before the introduction of VCDs and DVD; although people rarely bought the discs (because each LD was priced around USD100), high rental activity helped the video rental business in the city grow larger than it had ever been previously... |
572854802ca10214002da29c | By what year had DVD taken over the LaserDisc market? | late 1990s | [
"LaserDisc\n\nAlthough the LaserDisc format was supplanted by DVD by the late 1990s, many LD titles are still highly coveted by movie enthusiasts (for example, Disney's Song of the South which is unavailable in the US in any format, but was issued in Japan on LD). This is largely because there are many films that a... |
572854802ca10214002da29d | Which collector group highly values LaserDisc for their rareness? | movie enthusiasts | [
"LaserDisc\n\nAlthough the LaserDisc format was supplanted by DVD by the late 1990s, many LD titles are still highly coveted by movie enthusiasts (for example, Disney's Song of the South which is unavailable in the US in any format, but was issued in Japan on LD). This is largely because there are many films that a... |
572854802ca10214002da29e | Until the end of what year were movies released in VHS, LD, and DVD in Japan? | 2001 | [
"LaserDisc\n\nAlthough the LaserDisc format was supplanted by DVD by the late 1990s, many LD titles are still highly coveted by movie enthusiasts (for example, Disney's Song of the South which is unavailable in the US in any format, but was issued in Japan on LD). This is largely because there are many films that a... |
572854802ca10214002da29f | What country was the only to receive a LD release of Disney's Song of the South? | Japan | [
"LaserDisc\n\nAlthough the LaserDisc format was supplanted by DVD by the late 1990s, many LD titles are still highly coveted by movie enthusiasts (for example, Disney's Song of the South which is unavailable in the US in any format, but was issued in Japan on LD). This is largely because there are many films that a... |
572855143acd2414000df91d | In what decade did Philips produce a "professional" LD model for computer? | early 1980s | [
"LaserDisc\n\nIn the early 1980s, Philips produced a LaserDisc player model adapted for a computer interface, dubbed \"professional\". In 1985, Jasmine Multimedia created LaserDisc Juke Boxes featuring music videos from Michael Jackson, Duran Duran, and Cyndi Lauper. When connected to a PC this combination could be... |
572855143acd2414000df91e | In what year were LD jukeboxes created? | 1985 | [
"LaserDisc\n\nIn the early 1980s, Philips produced a LaserDisc player model adapted for a computer interface, dubbed \"professional\". In 1985, Jasmine Multimedia created LaserDisc Juke Boxes featuring music videos from Michael Jackson, Duran Duran, and Cyndi Lauper. When connected to a PC this combination could be... |
572855143acd2414000df91f | Who created LD Jukeboxes in 1985? | Jasmine Multimedia | [
"LaserDisc\n\nIn the early 1980s, Philips produced a LaserDisc player model adapted for a computer interface, dubbed \"professional\". In 1985, Jasmine Multimedia created LaserDisc Juke Boxes featuring music videos from Michael Jackson, Duran Duran, and Cyndi Lauper. When connected to a PC this combination could be... |
572855143acd2414000df920 | Which musical artists were featured on LD Jukeboxes in 1985? | Michael Jackson, Duran Duran, and Cyndi Lauper | [
"LaserDisc\n\nIn the early 1980s, Philips produced a LaserDisc player model adapted for a computer interface, dubbed \"professional\". In 1985, Jasmine Multimedia created LaserDisc Juke Boxes featuring music videos from Michael Jackson, Duran Duran, and Cyndi Lauper. When connected to a PC this combination could be... |
5728562e3acd2414000df92f | How many EditDroid systems were ever built? | 24 | [
"LaserDisc\n\nIn the mid-1980s Lucasfilm pioneered the EditDroid non-linear editing system for film and television based on computer-controlled LaserDisc players. Instead of printing dailies out on film, processed negatives from the day's shoot would be sent to a mastering plant to be assembled from their 10-minute... |
5728562e3acd2414000df930 | Were EditDroid discs single or multi-sided? | single-sided | [
"LaserDisc\n\nIn the mid-1980s Lucasfilm pioneered the EditDroid non-linear editing system for film and television based on computer-controlled LaserDisc players. Instead of printing dailies out on film, processed negatives from the day's shoot would be sent to a mastering plant to be assembled from their 10-minute... |
5728562e3acd2414000df931 | Which production company engineered the EditDroid machines in the 1980s? | Lucasfilm | [
"LaserDisc\n\nIn the mid-1980s Lucasfilm pioneered the EditDroid non-linear editing system for film and television based on computer-controlled LaserDisc players. Instead of printing dailies out on film, processed negatives from the day's shoot would be sent to a mastering plant to be assembled from their 10-minute... |
572868002ca10214002da306 | In what year did the Doomsday project occur? | 1986 | [
"LaserDisc\n\nIn 1986, a SCSI-equipped LaserDisc player attached to a BBC Master computer was used for the BBC Domesday Project. The player was referred as an LV-ROM (LaserVision Read Only Memory) as the discs contained the driving software as well as the video frames. The discs used the CAV format, and encoded dat... |
572868002ca10214002da307 | Which equipment was used for the Doomsday Project? | a SCSI-equipped LaserDisc player attached to a BBC Master computer | [
"LaserDisc\n\nIn 1986, a SCSI-equipped LaserDisc player attached to a BBC Master computer was used for the BBC Domesday Project. The player was referred as an LV-ROM (LaserVision Read Only Memory) as the discs contained the driving software as well as the video frames. The discs used the CAV format, and encoded dat... |
572868002ca10214002da308 | What does LV-ROM stand for? | LaserVision Read Only Memory | [
"LaserDisc\n\nIn 1986, a SCSI-equipped LaserDisc player attached to a BBC Master computer was used for the BBC Domesday Project. The player was referred as an LV-ROM (LaserVision Read Only Memory) as the discs contained the driving software as well as the video frames. The discs used the CAV format, and encoded dat... |
572868002ca10214002da309 | The Doomsday Project discs used which formatting? | CAV | [
"LaserDisc\n\nIn 1986, a SCSI-equipped LaserDisc player attached to a BBC Master computer was used for the BBC Domesday Project. The player was referred as an LV-ROM (LaserVision Read Only Memory) as the discs contained the driving software as well as the video frames. The discs used the CAV format, and encoded dat... |
572868bd4b864d19001649a6 | Which of Apple's programming languages allowed users to ceatively manipulate LaserDiscs? | HyperCard | [
"LaserDisc\n\nApple's HyperCard scripting language provided Macintosh computer users with a means to design databases of slides, animation, video and sounds from LaserDiscs and then to create interfaces for users to play specific content from the disc through software called LaserStacks. User-created \"stacks\" wer... |
572868bd4b864d19001649a7 | What did LaserStacks software enable Mac users to do? | play specific content from the disc | [
"LaserDisc\n\nApple's HyperCard scripting language provided Macintosh computer users with a means to design databases of slides, animation, video and sounds from LaserDiscs and then to create interfaces for users to play specific content from the disc through software called LaserStacks. User-created \"stacks\" wer... |
572868bd4b864d19001649a8 | Where were "stacks" created with the LaserStack software used? | in education | [
"LaserDisc\n\nApple's HyperCard scripting language provided Macintosh computer users with a means to design databases of slides, animation, video and sounds from LaserDiscs and then to create interfaces for users to play specific content from the disc through software called LaserStacks. User-created \"stacks\" wer... |
572868bd4b864d19001649a9 | Which commercial company was LaserStack's most successful distributor? | Voyager | [
"LaserDisc\n\nApple's HyperCard scripting language provided Macintosh computer users with a means to design databases of slides, animation, video and sounds from LaserDiscs and then to create interfaces for users to play specific content from the disc through software called LaserStacks. User-created \"stacks\" wer... |
572869712ca10214002da318 | A combination computer/LD player was comissioned by what government entity? | the U.S. Military | [
"LaserDisc\n\nUnder contract from the U.S. Military, Matrox produced a combination computer/LaserDisc player for instructional purposes. The computer was a 286, the LaserDisc player only capable of reading the analog audio tracks. Together they weighed 43 lb (20 kg) and sturdy handles were provided in case two peop... |
572869712ca10214002da319 | How much did Matrox's computer/LD combo weigh? | 43 lb (20 kg) | [
"LaserDisc\n\nUnder contract from the U.S. Military, Matrox produced a combination computer/LaserDisc player for instructional purposes. The computer was a 286, the LaserDisc player only capable of reading the analog audio tracks. Together they weighed 43 lb (20 kg) and sturdy handles were provided in case two peop... |
572869712ca10214002da31a | How could Matrox's computer unconventionally be controlled? | removing the ribbon cable and connecting a serial cable directly from the computer's serial port to the port on the LaserDisc player | [
"LaserDisc\n\nUnder contract from the U.S. Military, Matrox produced a combination computer/LaserDisc player for instructional purposes. The computer was a 286, the LaserDisc player only capable of reading the analog audio tracks. Together they weighed 43 lb (20 kg) and sturdy handles were provided in case two peop... |
57286a604b864d19001649c2 | What quality made LDs a consideration for videogames in the 1980s and 1990s? | instant-access capability | [
"LaserDisc\n\nThe format's instant-access capability made it possible for a new breed of LaserDisc-based video arcade games and several companies saw potential in using LaserDiscs for video games in the 1980s and 1990s, beginning in 1983 with Sega's Astron Belt. American Laser Games and Cinematronics produced elabo... |
57286a604b864d19001649c3 | What was the first game to use LaserDiscs? | Sega's Astron Belt | [
"LaserDisc\n\nThe format's instant-access capability made it possible for a new breed of LaserDisc-based video arcade games and several companies saw potential in using LaserDiscs for video games in the 1980s and 1990s, beginning in 1983 with Sega's Astron Belt. American Laser Games and Cinematronics produced elabo... |
57286a604b864d19001649c4 | In what year was Sega's AStron Belt released? | 1983 | [
"LaserDisc\n\nThe format's instant-access capability made it possible for a new breed of LaserDisc-based video arcade games and several companies saw potential in using LaserDiscs for video games in the 1980s and 1990s, beginning in 1983 with Sega's Astron Belt. American Laser Games and Cinematronics produced elabo... |
57289de03acd2414000dfb73 | With what operating ratio would MUSE Discs operate? | 5:3 | [
"LaserDisc\n\nIn 1991, several manufacturers announced specifications for what would become known as MUSE LaserDisc, representing a span of almost 15 years until the feats of this HD analog optical disc system would finally be duplicated digitally by HD DVD and Blu-ray Disc. Encoded using NHK's MUSE \"Hi-Vision\" a... |
57289de03acd2414000dfb74 | What benefits did the MUSE narrow wavelength red laser have? | capable of reading through disc defects such as scratches and even mild disc rot that would cause most other players to stop, stutter or drop-out | [
"LaserDisc\n\nIn 1991, several manufacturers announced specifications for what would become known as MUSE LaserDisc, representing a span of almost 15 years until the feats of this HD analog optical disc system would finally be duplicated digitally by HD DVD and Blu-ray Disc. Encoded using NHK's MUSE \"Hi-Vision\" a... |
57289de03acd2414000dfb75 | In addition to scratches and rot, what other common LaserDisc issue was to be eliminated by MUSE discs? | Crosstalk | [
"LaserDisc\n\nIn 1991, several manufacturers announced specifications for what would become known as MUSE LaserDisc, representing a span of almost 15 years until the feats of this HD analog optical disc system would finally be duplicated digitally by HD DVD and Blu-ray Disc. Encoded using NHK's MUSE \"Hi-Vision\" a... |
57289de03acd2414000dfb76 | How many years did it take Blu-ray and HD-DVD players to duplicate MUSE technology? | almost 15 years | [
"LaserDisc\n\nIn 1991, several manufacturers announced specifications for what would become known as MUSE LaserDisc, representing a span of almost 15 years until the feats of this HD analog optical disc system would finally be duplicated digitally by HD DVD and Blu-ray Disc. Encoded using NHK's MUSE \"Hi-Vision\" a... |
57289ecb4b864d1900164adc | What was the price for early HDTVs? | US$10,000 | [
"LaserDisc\n\nIn order to view MUSE encoded discs, it was necessary to have a MUSE decoder in addition to a compatible player. There are televisions with MUSE decoding built-in and set top tuners with decoders that can provide the proper MUSE input. Equipment prices were high, especially for early HDTVs which gener... |
57289ecb4b864d1900164add | Did MUSE have a large or small target market, even in Japan? | tiny | [
"LaserDisc\n\nIn order to view MUSE encoded discs, it was necessary to have a MUSE decoder in addition to a compatible player. There are televisions with MUSE decoding built-in and set top tuners with decoders that can provide the proper MUSE input. Equipment prices were high, especially for early HDTVs which gener... |
57289ecb4b864d1900164ade | What were some movies that were released on MUSE LaserDiscs? | Terminator 2: Judgment Day, Lawrence of Arabia, A League of Their Own, Bugsy, Close Encounters of the Third Kind, Bram Stoker's Dracula and Chaplin | [
"LaserDisc\n\nIn order to view MUSE encoded discs, it was necessary to have a MUSE decoder in addition to a compatible player. There are televisions with MUSE decoding built-in and set top tuners with decoders that can provide the proper MUSE input. Equipment prices were high, especially for early HDTVs which gener... |
57289f843acd2414000dfb85 | What were "Squeeze LDs"? | enhanced 16:9-ratio widescreen LaserDiscs | [
"LaserDisc\n\nWith the release of 16:9 televisions in the mid-1990s, Pioneer and Toshiba decided that it was time to take advantage of this aspect ratio. Squeeze LDs were enhanced 16:9-ratio widescreen LaserDiscs. During the video transfer stage, the movie was stored in an anamorphic \"squeezed\" format. The widesc... |
57289f843acd2414000dfb86 | With what aspect ratio did Squeeze LDs operate? | 16:9-ratio widescreen | [
"LaserDisc\n\nWith the release of 16:9 televisions in the mid-1990s, Pioneer and Toshiba decided that it was time to take advantage of this aspect ratio. Squeeze LDs were enhanced 16:9-ratio widescreen LaserDiscs. During the video transfer stage, the movie was stored in an anamorphic \"squeezed\" format. The widesc... |
57289f843acd2414000dfb87 | Why did Squeeze LDs have a very limited market? | very few people owned 16:9 displays | [
"LaserDisc\n\nWith the release of 16:9 televisions in the mid-1990s, Pioneer and Toshiba decided that it was time to take advantage of this aspect ratio. Squeeze LDs were enhanced 16:9-ratio widescreen LaserDiscs. During the video transfer stage, the movie was stored in an anamorphic \"squeezed\" format. The widesc... |
57289f843acd2414000dfb88 | Could the 16:9 aspect ratio be easily resized by a normal LD player, or was the image significantly distorted? | distorted | [
"LaserDisc\n\nWith the release of 16:9 televisions in the mid-1990s, Pioneer and Toshiba decided that it was time to take advantage of this aspect ratio. Squeeze LDs were enhanced 16:9-ratio widescreen LaserDiscs. During the video transfer stage, the movie was stored in an anamorphic \"squeezed\" format. The widesc... |
57289f843acd2414000dfb89 | What percent vertical resolution increase did Squeeze LDs feature over regular widescreen LDs? | 33% | [
"LaserDisc\n\nWith the release of 16:9 televisions in the mid-1990s, Pioneer and Toshiba decided that it was time to take advantage of this aspect ratio. Squeeze LDs were enhanced 16:9-ratio widescreen LaserDiscs. During the video transfer stage, the movie was stored in an anamorphic \"squeezed\" format. The widesc... |
5728a02e4b864d1900164af6 | Which movie was released twice on Squeeze LD? | Terminator 2 | [
"LaserDisc\n\nThere were no anamorphic LaserDisc titles available in the US except for promotional purposes. Upon purchase of a Toshiba 16:9 television viewers had the option of selecting a number of Warner Bros. 16:9 films. Titles include Unforgiven, Grumpy Old Men, The Fugitive, and Free Willy. The Japanese lineu... |
5728a02e4b864d1900164af7 | What improvement was added to Terminator 2's second Squeeze LD release? | THX certified | [
"LaserDisc\n\nThere were no anamorphic LaserDisc titles available in the US except for promotional purposes. Upon purchase of a Toshiba 16:9 television viewers had the option of selecting a number of Warner Bros. 16:9 films. Titles include Unforgiven, Grumpy Old Men, The Fugitive, and Free Willy. The Japanese lineu... |
5728a02e4b864d1900164af8 | What Warner Brothers films were available in 16:9 aspect ratio Squeeze LDs? | Unforgiven, Grumpy Old Men, The Fugitive, and Free Willy | [
"LaserDisc\n\nThere were no anamorphic LaserDisc titles available in the US except for promotional purposes. Upon purchase of a Toshiba 16:9 television viewers had the option of selecting a number of Warner Bros. 16:9 films. Titles include Unforgiven, Grumpy Old Men, The Fugitive, and Free Willy. The Japanese lineu... |
5728a02e4b864d1900164af9 | What films were available for Japanese market Squeeze LDs? | Basic Instinct, Stargate, Terminator 2: Judgment Day, Showgirls, Cutthroat Island, and Cliffhanger | [
"LaserDisc\n\nThere were no anamorphic LaserDisc titles available in the US except for promotional purposes. Upon purchase of a Toshiba 16:9 television viewers had the option of selecting a number of Warner Bros. 16:9 films. Titles include Unforgiven, Grumpy Old Men, The Fugitive, and Free Willy. The Japanese lineu... |
5728a0c84b864d1900164afe | What does the acronym RLV stand for? | Recordable LaserVision disc | [
"LaserDisc\n\nAnother form of recordable LaserDisc that is completely playback-compatible with the LaserDisc format (unlike CRVdisc with its caddy enclosure) is the RLV, or Recordable LaserVision disc. It was developed and first marketed by the Optical Disc Corporation (ODC, now ODC Nimbus) in 1984. RLV discs, like... |
5728a0c84b864d1900164aff | Which company originally developed and marketed the RLV? | Optical Disc Corporation (ODC, now ODC Nimbus) | [
"LaserDisc\n\nAnother form of recordable LaserDisc that is completely playback-compatible with the LaserDisc format (unlike CRVdisc with its caddy enclosure) is the RLV, or Recordable LaserVision disc. It was developed and first marketed by the Optical Disc Corporation (ODC, now ODC Nimbus) in 1984. RLV discs, like... |
5728a0c84b864d1900164b00 | In what year did ODC develop the Recordable LaserVision Disc? | 1984. | [
"LaserDisc\n\nAnother form of recordable LaserDisc that is completely playback-compatible with the LaserDisc format (unlike CRVdisc with its caddy enclosure) is the RLV, or Recordable LaserVision disc. It was developed and first marketed by the Optical Disc Corporation (ODC, now ODC Nimbus) in 1984. RLV discs, like... |
5728a13eff5b5019007da34e | What is the difference in appearance between an RLV disc and a regular LD? | reflective purple-violet (or blue with some RLV discs) color | [
"LaserDisc\n\nThe only cosmetic difference between an RLV disc and a regular factory-pressed LaserDiscs is their reflective purple-violet (or blue with some RLV discs) color resulting from the dye embedded in the reflective layer of the disc to make it recordable, as opposed to the silver mirror appearance of regul... |
5728a13eff5b5019007da34f | Why do RLV discs have a blue or purple reflective color? | to make it recordable, as opposed to the silver mirror appearance of regular LDs | [
"LaserDisc\n\nThe only cosmetic difference between an RLV disc and a regular factory-pressed LaserDiscs is their reflective purple-violet (or blue with some RLV discs) color resulting from the dye embedded in the reflective layer of the disc to make it recordable, as opposed to the silver mirror appearance of regul... |
5728a13eff5b5019007da350 | For what purpose were RLVs popular? | making short-run quantities of LaserDiscs for specialized applications such as interactive kiosks and flight simulators | [
"LaserDisc\n\nThe only cosmetic difference between an RLV disc and a regular factory-pressed LaserDiscs is their reflective purple-violet (or blue with some RLV discs) color resulting from the dye embedded in the reflective layer of the disc to make it recordable, as opposed to the silver mirror appearance of regul... |
5728a13eff5b5019007da351 | What color were regular LaserDiscs, in contrast to RLVs blueish purple hues? | silver mirror | [
"LaserDisc\n\nThe only cosmetic difference between an RLV disc and a regular factory-pressed LaserDiscs is their reflective purple-violet (or blue with some RLV discs) color resulting from the dye embedded in the reflective layer of the disc to make it recordable, as opposed to the silver mirror appearance of regul... |
5728a20a2ca10214002da4fa | In contrast to large LD disks, what is the size of a standard CD? | 12 cm (4.7 in) | [
"LaserDisc\n\nThere were also 12 cm (4.7 in) (CD size) \"single\"-style discs produced that were playable on LaserDisc players. These were referred to as CD Video (CD-V) discs, and Video Single Discs (VSD). A CD-V carried up to five minutes of analog LaserDisc-type video content (usually a music video), as well as ... |
5728a20a2ca10214002da4fb | What were CD size "single"-style discs called that were compatible with LaserDisc players? | CD Video (CD-V) discs, and Video Single Discs (VSD) | [
"LaserDisc\n\nThere were also 12 cm (4.7 in) (CD size) \"single\"-style discs produced that were playable on LaserDisc players. These were referred to as CD Video (CD-V) discs, and Video Single Discs (VSD). A CD-V carried up to five minutes of analog LaserDisc-type video content (usually a music video), as well as ... |
5728a20a2ca10214002da4fc | How much video content could be stored on a CD-V disk? | up to five minutes of analog LaserDisc-type video content | [
"LaserDisc\n\nThere were also 12 cm (4.7 in) (CD size) \"single\"-style discs produced that were playable on LaserDisc players. These were referred to as CD Video (CD-V) discs, and Video Single Discs (VSD). A CD-V carried up to five minutes of analog LaserDisc-type video content (usually a music video), as well as ... |
5728a20a2ca10214002da4fd | What were CD-V's video capacities usually used for? | music video | [
"LaserDisc\n\nThere were also 12 cm (4.7 in) (CD size) \"single\"-style discs produced that were playable on LaserDisc players. These were referred to as CD Video (CD-V) discs, and Video Single Discs (VSD). A CD-V carried up to five minutes of analog LaserDisc-type video content (usually a music video), as well as ... |
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