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What is the DVB's role? | <text>What is the DVB's role?</text><reasoning>Since 1972, International Telecommunication Union's radio telecommunications sector (ITU-R) had been working on creating a global recommendation for Analog HDTV. These recommendations, however, did not fit in the broadcasting bands which could reach home users. The standar... |
Who standardizes HDTV specifications? | <text>Who standardizes HDTV specifications?</text><reasoning>Since 1972, International Telecommunication Union's radio telecommunications sector (ITU-R) had been working on creating a global recommendation for Analog HDTV. These recommendations, however, did not fit in the broadcasting bands which could reach home user... |
When did the first HDTV transmissions happen in Europe? | <text>When did the first HDTV transmissions happen in Europe?</text><reasoning>The first HDTV transmissions in Europe, albeit not direct-to-home, began in 1990, when the Italian broadcaster RAI used the HD-MAC and MUSE HDTV technologies to broadcast the 1990 FIFA World Cup. The matches were shown in 8 cinemas in Italy ... |
What event was the first HDTV broadcast in Europe? | <text>What event was the first HDTV broadcast in Europe?</text><reasoning>The first HDTV transmissions in Europe, albeit not direct-to-home, began in 1990, when the Italian broadcaster RAI used the HD-MAC and MUSE HDTV technologies to broadcast the 1990 FIFA World Cup. The matches were shown in 8 cinemas in Italy and 2... |
When did Europe abandon standard transmission? | <text>When did Europe abandon standard transmission?</text><reasoning>The first HDTV transmissions in Europe, albeit not direct-to-home, began in 1990, when the Italian broadcaster RAI used the HD-MAC and MUSE HDTV technologies to broadcast the 1990 FIFA World Cup. The matches were shown in 8 cinemas in Italy and 2 in ... |
Where was the FIFA World Cup able to be watched in HDTV? | <text>Where was the FIFA World Cup able to be watched in HDTV?</text><reasoning>The first HDTV transmissions in Europe, albeit not direct-to-home, began in 1990, when the Italian broadcaster RAI used the HD-MAC and MUSE HDTV technologies to broadcast the 1990 FIFA World Cup. The matches were shown in 8 cinemas in Italy... |
What three services make up the armed forces of the UK? | <text>What three services make up the armed forces of the UK?</text><reasoning>During the 1920s and 1930s, British civil servants and politicians, looking back at the performance of the state during World War I, concluded that there was a need for greater co-ordination between the three Services that made up the armed ... |
What did David Lloyd George's coalition government reject in 1921? | <text>What did David Lloyd George's coalition government reject in 1921?</text><reasoning>During the 1920s and 1930s, British civil servants and politicians, looking back at the performance of the state during World War I, concluded that there was a need for greater co-ordination between the three Services that made up... |
When was the Chiefs of Staff Committee formed? | <text>When was the Chiefs of Staff Committee formed?</text><reasoning>During the 1920s and 1930s, British civil servants and politicians, looking back at the performance of the state during World War I, concluded that there was a need for greater co-ordination between the three Services that made up the armed forces of... |
Who created the position of Minister for Coordination of Defence? | <text>Who created the position of Minister for Coordination of Defence?</text><reasoning>During the 1920s and 1930s, British civil servants and politicians, looking back at the performance of the state during World War I, concluded that there was a need for greater co-ordination between the three Services that made up ... |
What post did Lord Chatfield hold until 1940? | <text>What post did Lord Chatfield hold until 1940?</text><reasoning>During the 1920s and 1930s, British civil servants and politicians, looking back at the performance of the state during World War I, concluded that there was a need for greater co-ordination between the three Services that made up the armed forces of ... |
What is usually dropped for the commercial naming of an HDTV product? | <text>What is usually dropped for the commercial naming of an HDTV product?</text><reasoning>For the commercial naming of a product, the frame rate is often dropped and is implied from context (e.g., a 1080i television set). A frame rate can also be specified without a resolution. For example, 24p means 24 progressive ... |
What does 24p mean? | <text>What does 24p mean?</text><reasoning>For the commercial naming of a product, the frame rate is often dropped and is implied from context (e.g., a 1080i television set). A frame rate can also be specified without a resolution. For example, 24p means 24 progressive scan frames per second, and 50i means 25 interlace... |
What does 50i mean? | <text>What does 50i mean?</text><reasoning>For the commercial naming of a product, the frame rate is often dropped and is implied from context (e.g., a 1080i television set). A frame rate can also be specified without a resolution. For example, 24p means 24 progressive scan frames per second, and 50i means 25 interlace... |
When naming a commercial HDTV product, a frame rate can be specified without what? | <text>When naming a commercial HDTV product, a frame rate can be specified without what?</text><reasoning>For the commercial naming of a product, the frame rate is often dropped and is implied from context (e.g., a 1080i television set). A frame rate can also be specified without a resolution. For example, 24p means 24... |
At least how many times more linear resolution does HDTV have over SDTV? | <text>At least how many times more linear resolution does HDTV have over SDTV?</text><reasoning>At a minimum, HDTV has twice the linear resolution of standard-definition television (SDTV), thus showing greater detail than either analog television or regular DVD. The technical standards for broadcasting HDTV also handle... |
HDTV increases the effective image resolution by not using what? | <text>HDTV increases the effective image resolution by not using what?</text><reasoning>At a minimum, HDTV has twice the linear resolution of standard-definition television (SDTV), thus showing greater detail than either analog television or regular DVD. The technical standards for broadcasting HDTV also handle the 16:... |
What does SDTV stand for? | <text>What does SDTV stand for?</text><reasoning>At a minimum, HDTV has twice the linear resolution of standard-definition television (SDTV), thus showing greater detail than either analog television or regular DVD. The technical standards for broadcasting HDTV also handle the 16:9 aspect ratio images without using let... |
HDTV handles what aspect ratio without using letterboxing or anamorphic stretching? | <text>HDTV handles what aspect ratio without using letterboxing or anamorphic stretching?</text><reasoning>At a minimum, HDTV has twice the linear resolution of standard-definition television (SDTV), thus showing greater detail than either analog television or regular DVD. The technical standards for broadcasting HDTV ... |
When did ITU-R start trying to work towards setting a single international HDTV standard? | <text>When did ITU-R start trying to work towards setting a single international HDTV standard?</text><reasoning>In 1983, the International Telecommunication Union's radio telecommunications sector (ITU-R) set up a working party (IWP11/6) with the aim of setting a single international HDTV standard. One of the thornier... |
What did ITU-R start trying to do in 1983? | <text>What did ITU-R start trying to do in 1983?</text><reasoning>In 1983, the International Telecommunication Union's radio telecommunications sector (ITU-R) set up a working party (IWP11/6) with the aim of setting a single international HDTV standard. One of the thornier issues concerned a suitable frame/field refres... |
What was one of the issues with setting a single HDTV standard? | <text>What was one of the issues with setting a single HDTV standard?</text><reasoning>In 1983, the International Telecommunication Union's radio telecommunications sector (ITU-R) set up a working party (IWP11/6) with the aim of setting a single international HDTV standard. One of the thornier issues concerned a suitab... |
What was used as a conversion between the two main frame/field rates? | <text>What was used as a conversion between the two main frame/field rates?</text><reasoning>In 1983, the International Telecommunication Union's radio telecommunications sector (ITU-R) set up a working party (IWP11/6) with the aim of setting a single international HDTV standard. One of the thornier issues concerned a ... |
How many frame/field rates were primarily being used in 1983? | <text>How many frame/field rates were primarily being used in 1983?</text><reasoning>In 1983, the International Telecommunication Union's radio telecommunications sector (ITU-R) set up a working party (IWP11/6) with the aim of setting a single international HDTV standard. One of the thornier issues concerned a suitable... |
Euro1080 was a division of what former company? | <text>Euro1080 was a division of what former company?</text><reasoning>Euro1080, a division of the former and now bankrupt Belgian TV services company Alfacam, broadcast HDTV channels to break the pan-European stalemate of "no HD broadcasts mean no HD TVs bought means no HD broadcasts ..." and kick-start HDTV interest ... |
What "chicken or the egg" stalemate prompted Euro1080 to broadcast HDTV channels? | <text>What "chicken or the egg" stalemate prompted Euro1080 to broadcast HDTV channels?</text><reasoning>Euro1080, a division of the former and now bankrupt Belgian TV services company Alfacam, broadcast HDTV channels to break the pan-European stalemate of "no HD broadcasts mean no HD TVs bought means no HD broadcasts ... |
What was Euro1080 hoping to kick-start by broadcasting HDTV channels? | <text>What was Euro1080 hoping to kick-start by broadcasting HDTV channels?</text><reasoning>Euro1080, a division of the former and now bankrupt Belgian TV services company Alfacam, broadcast HDTV channels to break the pan-European stalemate of "no HD broadcasts mean no HD TVs bought means no HD broadcasts ..." and kic... |
How much did viewers have to pay for the HD1 channel? | <text>How much did viewers have to pay for the HD1 channel?</text><reasoning>Euro1080, a division of the former and now bankrupt Belgian TV services company Alfacam, broadcast HDTV channels to break the pan-European stalemate of "no HD broadcasts mean no HD TVs bought means no HD broadcasts ..." and kick-start HDTV int... |
What was on HD1 for 4 or 5 hours per day? | <text>What was on HD1 for 4 or 5 hours per day?</text><reasoning>Euro1080, a division of the former and now bankrupt Belgian TV services company Alfacam, broadcast HDTV channels to break the pan-European stalemate of "no HD broadcasts mean no HD TVs bought means no HD broadcasts ..." and kick-start HDTV interest in Eur... |
If more bandwith is required than is available, a very high resolution source my not be able to transmitted without loss of what? | <text>If more bandwith is required than is available, a very high resolution source my not be able to transmitted without loss of what?</text><reasoning>A very high resolution source may require more bandwidth than available in order to be transmitted without loss of fidelity. The lossy compression that is used in all ... |
The compression used in all HDTV storage and transmission systems will do what if resolution is too high? | <text>The compression used in all HDTV storage and transmission systems will do what if resolution is too high?</text><reasoning>A very high resolution source may require more bandwidth than available in order to be transmitted without loss of fidelity. The lossy compression that is used in all digital HDTV storage and... |
A very high resolution source may require more of what? | <text>A very high resolution source may require more of what?</text><reasoning>A very high resolution source may require more bandwidth than available in order to be transmitted without loss of fidelity. The lossy compression that is used in all digital HDTV storage and transmission systems will distort the received pi... |
What aspect ratio was agreed upon due to the influence of widescreen cinema? | <text>What aspect ratio was agreed upon due to the influence of widescreen cinema?</text><reasoning>Initially the existing 5:3 aspect ratio had been the main candidate but, due to the influence of widescreen cinema, the aspect ratio 16:9 (1.78) eventually emerged as being a reasonable compromise between 5:3 (1.67) and ... |
Who agreed upon the 16:9 aspect ratio? | <text>Who agreed upon the 16:9 aspect ratio?</text><reasoning>Initially the existing 5:3 aspect ratio had been the main candidate but, due to the influence of widescreen cinema, the aspect ratio 16:9 (1.78) eventually emerged as being a reasonable compromise between 5:3 (1.67) and the common 1.85 widescreen cinema form... |
What was a leading factor in the 16:9 aspect ratio being chosen? | <text>What was a leading factor in the 16:9 aspect ratio being chosen?</text><reasoning>Initially the existing 5:3 aspect ratio had been the main candidate but, due to the influence of widescreen cinema, the aspect ratio 16:9 (1.78) eventually emerged as being a reasonable compromise between 5:3 (1.67) and the common 1... |
Which encoding contains both progressive and interlaced content? | <text>Which encoding contains both progressive and interlaced content?</text><reasoning>Initially the existing 5:3 aspect ratio had been the main candidate but, due to the influence of widescreen cinema, the aspect ratio 16:9 (1.78) eventually emerged as being a reasonable compromise between 5:3 (1.67) and the common 1... |
Which aspect ratio was the early favorite? | <text>Which aspect ratio was the early favorite?</text><reasoning>Initially the existing 5:3 aspect ratio had been the main candidate but, due to the influence of widescreen cinema, the aspect ratio 16:9 (1.78) eventually emerged as being a reasonable compromise between 5:3 (1.67) and the common 1.85 widescreen cinema ... |
A broadcasts optimum format depends on what two things? | <text>A broadcasts optimum format depends on what two things?</text><reasoning>The optimum format for a broadcast depends upon the type of videographic recording medium used and the image's characteristics. For best fidelity to the source the transmitted field ratio, lines, and frame rate should match those of the sour... |
For best fidelity to the source, what three things should match the source? | <text>For best fidelity to the source, what three things should match the source?</text><reasoning>The optimum format for a broadcast depends upon the type of videographic recording medium used and the image's characteristics. For best fidelity to the source the transmitted field ratio, lines, and frame rate should mat... |
For best fidelity to the source, the transmitted field ratio, lines, and frame rate should match what? | <text>For best fidelity to the source, the transmitted field ratio, lines, and frame rate should match what?</text><reasoning>The optimum format for a broadcast depends upon the type of videographic recording medium used and the image's characteristics. For best fidelity to the source the transmitted field ratio, lines... |
The type of videographic recording medium used and the image's characteristics determine what? | <text>The type of videographic recording medium used and the image's characteristics determine what?</text><reasoning>The optimum format for a broadcast depends upon the type of videographic recording medium used and the image's characteristics. For best fidelity to the source the transmitted field ratio, lines, and fr... |
What size is each 1920x1080p25 frame? | <text>What size is each 1920x1080p25 frame?</text><reasoning>For example, 1920×1080p25 identifies progressive scanning format with 25 frames per second, each frame being 1,920 pixels wide and 1,080 pixels high. The 1080i25 or 1080i50 notation identifies interlaced scanning format with 25 frames (50 fields) per second, ... |
The 1920x1080p25 notion identifies progressive scanning format with how many frames per second? | <text>The 1920x1080p25 notion identifies progressive scanning format with how many frames per second?</text><reasoning>For example, 1920×1080p25 identifies progressive scanning format with 25 frames per second, each frame being 1,920 pixels wide and 1,080 pixels high. The 1080i25 or 1080i50 notation identifies interlac... |
The 1080i25 or 1080i50 notion identifies interlaced scanning format with how many frames per second? | <text>The 1080i25 or 1080i50 notion identifies interlaced scanning format with how many frames per second?</text><reasoning>For example, 1920×1080p25 identifies progressive scanning format with 25 frames per second, each frame being 1,920 pixels wide and 1,080 pixels high. The 1080i25 or 1080i50 notation identifies int... |
The 1080i30 or 1080i60 notion identifies interlaced scanning format with how many frames per second? | <text>The 1080i30 or 1080i60 notion identifies interlaced scanning format with how many frames per second?</text><reasoning>For example, 1920×1080p25 identifies progressive scanning format with 25 frames per second, each frame being 1,920 pixels wide and 1,080 pixels high. The 1080i25 or 1080i50 notation identifies int... |
The 720p60 notion identifies progressive scanning format with how many frames per second? | <text>The 720p60 notion identifies progressive scanning format with how many frames per second?</text><reasoning>For example, 1920×1080p25 identifies progressive scanning format with 25 frames per second, each frame being 1,920 pixels wide and 1,080 pixels high. The 1080i25 or 1080i50 notation identifies interlaced sca... |
Is there a single standard for HDTV color support? | <text>Is there a single standard for HDTV color support?</text><reasoning>There is no single standard for HDTV color support. Colors are typically broadcast using a (10-bits per channel) YUV color space but, depending on the underlying image generating technologies of the receiver, are then subsequently converted to a ... |
Before being converted to RGB, colors are ususally broadcasted using what color space? | <text>Before being converted to RGB, colors are ususally broadcasted using what color space?</text><reasoning>There is no single standard for HDTV color support. Colors are typically broadcast using a (10-bits per channel) YUV color space but, depending on the underlying image generating technologies of the receiver, a... |
Colors are typically broadcast using YUV and then converted to what? | <text>Colors are typically broadcast using YUV and then converted to what?</text><reasoning>There is no single standard for HDTV color support. Colors are typically broadcast using a (10-bits per channel) YUV color space but, depending on the underlying image generating technologies of the receiver, are then subsequent... |
When transmitted over the internet, colors are typically to what? | <text>When transmitted over the internet, colors are typically to what?</text><reasoning>There is no single standard for HDTV color support. Colors are typically broadcast using a (10-bits per channel) YUV color space but, depending on the underlying image generating technologies of the receiver, are then subsequently ... |
What assumption is made with colors being transmitted over the internet? | <text>What assumption is made with colors being transmitted over the internet?</text><reasoning>There is no single standard for HDTV color support. Colors are typically broadcast using a (10-bits per channel) YUV color space but, depending on the underlying image generating technologies of the receiver, are then subseq... |
What three scanning rates do 50 Hz systems support? | <text>What three scanning rates do 50 Hz systems support?</text><reasoning>50 Hz systems support three scanning rates: 50i, 25p and 50p. 60 Hz systems support a much wider set of frame rates: 59.94i, 60i, 23.976p, 24p, 29.97p, 30p, 59.94p and 60p. In the days of standard definition television, the fractional rates were... |
Which system suports 59.94i, 60i, 23.976p, 24p, 29.97p, 30p, 59.94p, and 60p | <text>Which system suports 59.94i, 60i, 23.976p, 24p, 29.97p, 30p, 59.94p, and 60p</text><reasoning>50 Hz systems support three scanning rates: 50i, 25p and 50p. 60 Hz systems support a much wider set of frame rates: 59.94i, 60i, 23.976p, 24p, 29.97p, 30p, 59.94p and 60p. In the days of standard definition television, ... |
SD television fractional rates were often rounded to what? | <text>SD television fractional rates were often rounded to what?</text><reasoning>50 Hz systems support three scanning rates: 50i, 25p and 50p. 60 Hz systems support a much wider set of frame rates: 59.94i, 60i, 23.976p, 24p, 29.97p, 30p, 59.94p and 60p. In the days of standard definition television, the fractional rat... |
Strict notation is required with HD fractional rates to avoid what? | <text>Strict notation is required with HD fractional rates to avoid what?</text><reasoning>50 Hz systems support three scanning rates: 50i, 25p and 50p. 60 Hz systems support a much wider set of frame rates: 59.94i, 60i, 23.976p, 24p, 29.97p, 30p, 59.94p and 60p. In the days of standard definition television, the fract... |
PAL, SECAM, and NTSC frame rates apply to what definition televisions? | <text>PAL, SECAM, and NTSC frame rates apply to what definition televisions?</text><reasoning>PAL, SECAM and NTSC frame rates technically apply only to analogue standard definition television, not to digital or high definition broadcasts. However, with the roll out of digital broadcasting, and later HDTV broadcasting, ... |
PAL, SECAM, and NTSC frame rates do not apply to what broadcasts? | <text>PAL, SECAM, and NTSC frame rates do not apply to what broadcasts?</text><reasoning>PAL, SECAM and NTSC frame rates technically apply only to analogue standard definition television, not to digital or high definition broadcasts. However, with the roll out of digital broadcasting, and later HDTV broadcasting, count... |
In former PAL and SECAM countries, what frame rate does HDTV operate at? | <text>In former PAL and SECAM countries, what frame rate does HDTV operate at?</text><reasoning>PAL, SECAM and NTSC frame rates technically apply only to analogue standard definition television, not to digital or high definition broadcasts. However, with the roll out of digital broadcasting, and later HDTV broadcasting... |
In former NTSC countries, what frame rate does HDTV operate at? | <text>In former NTSC countries, what frame rate does HDTV operate at?</text><reasoning>PAL, SECAM and NTSC frame rates technically apply only to analogue standard definition television, not to digital or high definition broadcasts. However, with the roll out of digital broadcasting, and later HDTV broadcasting, countri... |
W-VHS recorders are capable of recording what kinds of signals? | <text>W-VHS recorders are capable of recording what kinds of signals?</text><reasoning>Analog tape recorders with bandwidth capable of recording analog HD signals, such as W-VHS recorders, are no longer produced for the consumer market and are both expensive and scarce in the secondary market.</reasoning><output>analog... |
What kind of recorder is no longer produced for the consumer market? | <text>What kind of recorder is no longer produced for the consumer market?</text><reasoning>Analog tape recorders with bandwidth capable of recording analog HD signals, such as W-VHS recorders, are no longer produced for the consumer market and are both expensive and scarce in the secondary market.</reasoning><output>A... |
In the secondary market, analog tape recorders are considered what? | <text>In the secondary market, analog tape recorders are considered what?</text><reasoning>Analog tape recorders with bandwidth capable of recording analog HD signals, such as W-VHS recorders, are no longer produced for the consumer market and are both expensive and scarce in the secondary market.</reasoning><output>ex... |
HD content can be displayed by cable-ready TVs without using what? | <text>HD content can be displayed by cable-ready TVs without using what?</text><reasoning>Additionally, cable-ready TV sets can display HD content without using an external box. They have a QAM tuner built-in and/or a card slot for inserting a CableCARD.</reasoning><output>an external box</output> |
Without using an external box, cable-ready TVs can display what? | <text>Without using an external box, cable-ready TVs can display what?</text><reasoning>Additionally, cable-ready TV sets can display HD content without using an external box. They have a QAM tuner built-in and/or a card slot for inserting a CableCARD.</reasoning><output>HD content</output> |
What features allow the cable-ready TVs to display HD content without an external box? | <text>What features allow the cable-ready TVs to display HD content without an external box?</text><reasoning>Additionally, cable-ready TV sets can display HD content without using an external box. They have a QAM tuner built-in and/or a card slot for inserting a CableCARD.</reasoning><output>a QAM tuner built-in and/o... |
What kind of built-in tuner will allow a cable-ready TV to display HD content without an external box? | <text>What kind of built-in tuner will allow a cable-ready TV to display HD content without an external box?</text><reasoning>Additionally, cable-ready TV sets can display HD content without using an external box. They have a QAM tuner built-in and/or a card slot for inserting a CableCARD.</reasoning><output>QAM</outpu... |
What kind of card will allow a cable-ready TV to display HD content without an external box? | <text>What kind of card will allow a cable-ready TV to display HD content without an external box?</text><reasoning>Additionally, cable-ready TV sets can display HD content without using an external box. They have a QAM tuner built-in and/or a card slot for inserting a CableCARD.</reasoning><output>CableCARD</output> |
What two formats are typically used to recorde non-cinematic HDTV video intended for broadcast? | <text>What two formats are typically used to recorde non-cinematic HDTV video intended for broadcast?</text><reasoning>Non-cinematic HDTV video recordings intended for broadcast are typically recorded either in 720p or 1080i format as determined by the broadcaster. 720p is commonly used for Internet distribution of hig... |
Which format is typically used for internet distribution of HD video? | <text>Which format is typically used for internet distribution of HD video?</text><reasoning>Non-cinematic HDTV video recordings intended for broadcast are typically recorded either in 720p or 1080i format as determined by the broadcaster. 720p is commonly used for Internet distribution of high-definition video, becaus... |
Most computer monitors operate in what mode? | <text>Most computer monitors operate in what mode?</text><reasoning>Non-cinematic HDTV video recordings intended for broadcast are typically recorded either in 720p or 1080i format as determined by the broadcaster. 720p is commonly used for Internet distribution of high-definition video, because most computer monitors ... |
1080i, 1080p, and 720p are often used on what kind of disc. | <text>1080i, 1080p, and 720p are often used on what kind of disc.</text><reasoning>Non-cinematic HDTV video recordings intended for broadcast are typically recorded either in 720p or 1080i format as determined by the broadcaster. 720p is commonly used for Internet distribution of high-definition video, because most com... |
When was HDTV introduced in the US? | <text>When was HDTV introduced in the US?</text><reasoning>HDTV technology was introduced in the United States in the late 1980s and made official in 1993 by the Digital HDTV Grand Alliance, a group of television, electronic equipment, communications companies consisting of AT&T Bell Labs, General Instrument, Philips, ... |
Who made HDTV official in 1993? | <text>Who made HDTV official in 1993?</text><reasoning>HDTV technology was introduced in the United States in the late 1980s and made official in 1993 by the Digital HDTV Grand Alliance, a group of television, electronic equipment, communications companies consisting of AT&T Bell Labs, General Instrument, Philips, Sarn... |
AT&T, Philips, Zenith, and MIT, among others, made up what group in the 90's? | <text>AT&T, Philips, Zenith, and MIT, among others, made up what group in the 90's?</text><reasoning>HDTV technology was introduced in the United States in the late 1980s and made official in 1993 by the Digital HDTV Grand Alliance, a group of television, electronic equipment, communications companies consisting of AT&... |
When did the first public HDTV broadcast happen in the US? | <text>When did the first public HDTV broadcast happen in the US?</text><reasoning>HDTV technology was introduced in the United States in the late 1980s and made official in 1993 by the Digital HDTV Grand Alliance, a group of television, electronic equipment, communications companies consisting of AT&T Bell Labs, Genera... |
What does ATSC stand for? | <text>What does ATSC stand for?</text><reasoning>HDTV technology was introduced in the United States in the late 1980s and made official in 1993 by the Digital HDTV Grand Alliance, a group of television, electronic equipment, communications companies consisting of AT&T Bell Labs, General Instrument, Philips, Sarnoff, T... |
Roku and AppleTV are examples of what? | <text>Roku and AppleTV are examples of what?</text><reasoning>High-definition image sources include terrestrial broadcast, direct broadcast satellite, digital cable, IPTV (including GoogleTV Roku boxes and AppleTV or built into "Smart Televisions"), Blu-ray video disc (BD), and internet downloads.</reasoning><output>IP... |
Internet downloads, Blu-ray videos, and Apple TV are examples of what? | <text>Internet downloads, Blu-ray videos, and Apple TV are examples of what?</text><reasoning>High-definition image sources include terrestrial broadcast, direct broadcast satellite, digital cable, IPTV (including GoogleTV Roku boxes and AppleTV or built into "Smart Televisions"), Blu-ray video disc (BD), and internet ... |
Terrestrial broadcast and direct broadcast satellite are examples of what? | <text>Terrestrial broadcast and direct broadcast satellite are examples of what?</text><reasoning>High-definition image sources include terrestrial broadcast, direct broadcast satellite, digital cable, IPTV (including GoogleTV Roku boxes and AppleTV or built into "Smart Televisions"), Blu-ray video disc (BD), and inter... |
Digital cable and Roku are examples of what? | <text>Digital cable and Roku are examples of what?</text><reasoning>High-definition image sources include terrestrial broadcast, direct broadcast satellite, digital cable, IPTV (including GoogleTV Roku boxes and AppleTV or built into "Smart Televisions"), Blu-ray video disc (BD), and internet downloads.</reasoning><out... |
Sky HD's set-top box, TiVo's Series 3, and Dish Network's VIP 622 are examples of what? | <text>Sky HD's set-top box, TiVo's Series 3, and Dish Network's VIP 622 are examples of what?</text><reasoning>HDTV can be recorded to D-VHS (Digital-VHS or Data-VHS), W-VHS (analog only), to an HDTV-capable digital video recorder (for example DirecTV's high-definition Digital video recorder, Sky HD's set-top box, Dish... |
Some cable boxes are capable of doing what? | <text>Some cable boxes are capable of doing what?</text><reasoning>HDTV can be recorded to D-VHS (Digital-VHS or Data-VHS), W-VHS (analog only), to an HDTV-capable digital video recorder (for example DirecTV's high-definition Digital video recorder, Sky HD's set-top box, Dish Network's VIP 622 or VIP 722 high-definitio... |
What restriction does W-VHS recordings have? | <text>What restriction does W-VHS recordings have?</text><reasoning>HDTV can be recorded to D-VHS (Digital-VHS or Data-VHS), W-VHS (analog only), to an HDTV-capable digital video recorder (for example DirecTV's high-definition Digital video recorder, Sky HD's set-top box, Dish Network's VIP 622 or VIP 722 high-definiti... |
What does D-VHS stand for? | <text>What does D-VHS stand for?</text><reasoning>HDTV can be recorded to D-VHS (Digital-VHS or Data-VHS), W-VHS (analog only), to an HDTV-capable digital video recorder (for example DirecTV's high-definition Digital video recorder, Sky HD's set-top box, Dish Network's VIP 622 or VIP 722 high-definition Digital video r... |
Why does the PlayStation 3 have extensive HD compatibility? | <text>Why does the PlayStation 3 have extensive HD compatibility?</text><reasoning>Sony's PlayStation 3 has extensive HD compatibility because of its built in Blu-ray disc based player, so does Microsoft's Xbox 360 with the addition of Netflix and Windows Media Center HTPC streaming capabilities, and the Zune marketpla... |
In addition to having a Blu-ray player the Xbox 360 also features what? | <text>In addition to having a Blu-ray player the Xbox 360 also features what?</text><reasoning>Sony's PlayStation 3 has extensive HD compatibility because of its built in Blu-ray disc based player, so does Microsoft's Xbox 360 with the addition of Netflix and Windows Media Center HTPC streaming capabilities, and the Zu... |
What high definition gaming platform did Nintendo recently release? | <text>What high definition gaming platform did Nintendo recently release?</text><reasoning>Sony's PlayStation 3 has extensive HD compatibility because of its built in Blu-ray disc based player, so does Microsoft's Xbox 360 with the addition of Netflix and Windows Media Center HTPC streaming capabilities, and the Zune m... |
The HD capabilities of modern gaming systems has inspired developers to do what? | <text>The HD capabilities of modern gaming systems has inspired developers to do what?</text><reasoning>Sony's PlayStation 3 has extensive HD compatibility because of its built in Blu-ray disc based player, so does Microsoft's Xbox 360 with the addition of Netflix and Windows Media Center HTPC streaming capabilities, a... |
What's the process in which knots are classified called? | <text>What's the process in which knots are classified called?</text><reasoning>In grading lumber and structural timber, knots are classified according to their form, size, soundness, and the firmness with which they are held in place. This firmness is affected by, among other factors, the length of time for which the ... |
Along with firmness, soundness, and form, what property of a knot is classified? | <text>Along with firmness, soundness, and form, what property of a knot is classified?</text><reasoning>In grading lumber and structural timber, knots are classified according to their form, size, soundness, and the firmness with which they are held in place. This firmness is affected by, among other factors, the lengt... |
What property of knots does the amount of time a branch stayed on a tree while the stem kept growing affect? | <text>What property of knots does the amount of time a branch stayed on a tree while the stem kept growing affect?</text><reasoning>In grading lumber and structural timber, knots are classified according to their form, size, soundness, and the firmness with which they are held in place. This firmness is affected by, am... |
If a growth ring has differences over one season, would the part nearest the tree's center be narrower or wider? | <text>If a growth ring has differences over one season, would the part nearest the tree's center be narrower or wider?</text><reasoning>If there are differences within a growth ring, then the part of a growth ring nearest the center of the tree, and formed early in the growing season when growth is rapid, is usually co... |
What name, besides springwood, is used for the part of a growth ring formed in the beginning of the growing season? | <text>What name, besides springwood, is used for the part of a growth ring formed in the beginning of the growing season?</text><reasoning>If there are differences within a growth ring, then the part of a growth ring nearest the center of the tree, and formed early in the growing season when growth is rapid, is usually... |
If the opposite of springwood is summerwood, what's the opposite of earlywood? | <text>If the opposite of springwood is summerwood, what's the opposite of earlywood?</text><reasoning>If there are differences within a growth ring, then the part of a growth ring nearest the center of the tree, and formed early in the growing season when growth is rapid, is usually composed of wider elements. It is us... |
Is earlywood usually lighter or darker than the part of the growth ring that forms later in the season? | <text>Is earlywood usually lighter or darker than the part of the growth ring that forms later in the season?</text><reasoning>If there are differences within a growth ring, then the part of a growth ring nearest the center of the tree, and formed early in the growing season when growth is rapid, is usually composed of... |
Is summerwood the inner or outer portion of a growth ring? | <text>Is summerwood the inner or outer portion of a growth ring?</text><reasoning>If there are differences within a growth ring, then the part of a growth ring nearest the center of the tree, and formed early in the growing season when growth is rapid, is usually composed of wider elements. It is usually lighter in col... |
At what rate is standard 35mm photographic film exposed and projected? | <text>At what rate is standard 35mm photographic film exposed and projected?</text><reasoning>Standard 35mm photographic film used for cinema projection has a much higher image resolution than HDTV systems, and is exposed and projected at a rate of 24 frames per second (frame/s). To be shown on standard television, in ... |
To be shown on SDTV in PAL-system countries, at what rate is cinema film scanned? | <text>To be shown on SDTV in PAL-system countries, at what rate is cinema film scanned?</text><reasoning>Standard 35mm photographic film used for cinema projection has a much higher image resolution than HDTV systems, and is exposed and projected at a rate of 24 frames per second (frame/s). To be shown on standard tele... |
The technique in which with successive pair of film frames, one is held for three video fields, and the next is held for two, is called what? | <text>The technique in which with successive pair of film frames, one is held for three video fields, and the next is held for two, is called what?</text><reasoning>Standard 35mm photographic film used for cinema projection has a much higher image resolution than HDTV systems, and is exposed and projected at a rate of ... |
The 3:2 Pulldown techniques gives what total time for two frames? | <text>The 3:2 Pulldown techniques gives what total time for two frames?</text><reasoning>Standard 35mm photographic film used for cinema projection has a much higher image resolution than HDTV systems, and is exposed and projected at a rate of 24 frames per second (frame/s). To be shown on standard television, in PAL-s... |
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