TH13900B - Modulator / Emulator for HDTV system compatibility - Google Patents

Abstract

HTSC with an HDTV compatible band width uses multiple quadrate amplitude (QAM) transitions, one shortened QAM conductor is modulated (14) by code. High-order signs, including With more than the low-frequency signal code, the second abbreviated QAM conductor is modulated (34) with the low-order signal code, including, with more than the high-frequency signal code, the high-order QAM signal shows a greater amplitude and The wavelength is narrower than the low-order QAM signal and is located in the bottom portion of multiple QAMs at frequency. Spectrum is usually input by shadows beside the spectrum of standard NTSC television signals. The spectrum of multiple QAM signals (18, 20) shows the signals that cause Decrease at frequencies relative to the high power signal code in a standard NTSC signal, such as the frequencies around the NTSC audio-visual signal.

Claims (9)

1.System for processing high fusion television signals Organized by Davefini More onscreen images than standard definition television signals include Section for modulating the first conductor with the TV signal code. The one modulated to produce the modulated first conductor. Section for modulating a second conductor with a second TV code to produce Modulated second conductor The second signal code, which shows the amplitude of the Smaller than the first code, and the sections for the first and second combinations of the conductors that are mulated to Produces a modulated compound signal that contains a high definition television signal (HDTV) signal. The composite signal represents the width of the waveband compatible with the TV channel width with standard defjection And there will be modulation Spectral frequency (spectrum), which shows the signal attenuation at the relative frequency. It is compatible with the high energy signal code in television signals with such standard deficiencies. 2. Systems for processing high definition television signals. Which will provide More picture defination than standard television signals contain parts for modulation. The first signal with the code of the first television signal Determine to produce a modulated first conductor. Section for modulating a second conductor with a second TV code to produce A modulated second conductor and a section for the first and second combination conductors that are modulated to produce. A modulated compounded signal that has a signal code. High Definition Television The composite signals show the band width compatible with the band width. Of TV channels with standard definition And there will be frequency modulation of the spectrum Which will show the signal attenuation at frequencies relative to the high power signal code in Television signals with such standard deficiencies where one such conductor is the square wave amplitude modulated by This translates into the square wave of the aforementioned signal code and the second conductor is the square wave amplitude modulated by Translate the square wave into the aforementioned second signal code 3. System according to claim 1, where the first signal code shows a narrow band width compared to the code. The second signal 4. System according to claim 1, where the first conductor, which is modulated, is installed in the lower part of the spectrum of the second signal. The frequency of the components of the signal to be modulated. Which is separated from the Two of those modulated by the wave band of the amplitude of the attenuated frequency. Which is relative to the code 5. System according to claim 1, where the reduced frequency is correlated with the high energy signal code, which is the module Le Signal Television with such standard deficiencies 6. System according to claim 6, where the modulated signal element will show additional attenuation at the frequency that This corresponds to the high power signal code, which modulates the second conductor of the television signal with such standard defjection 7. System according to claim 1, where the first signal code is the high order code when Against the aforementioned second signal code 8. System according to Clause 7 where the first signal code consists of the video signal code as well as the video signal code. The original low frequency and the aforementioned second signal code include the high frequency video code 9. System according to Clause 8, where the first signal code includes additions to the audio and synchronized code. Fast (Synchronizing) 1 0. System for processing high definition television signal. Which will arrange for Dave More picture fusion than the standard Defiance television signals. Which consists of Section for modulation The first signal with the code of the first television signal Determine to produce a modulated first conductor. Section for modulating a second conductor with signal codes. A second television to produce Modulated second conductors and sections for the combination of the first and second modulated conductors to Produces a modulated compounded signal that contains the signal code. High Defination Television The composite signals show the width of the band that is compatible with the amplitude. Of the waveband of a television channel with standard defjection And there will be modulation spec Drum of frequency This will show the signal attenuation at frequencies relative to the high power code in television signals with that standard defining. The aforementioned first and second carriers Is the conductor that has been shortened 1 1. A system for operating the high definition television signal Which will provide Dave More picture fusion than the standard Defiance television signals. Which consists of Section for modulating the first conductor with the TV signal code. One modulated to produce a modulated first conductor Section for modulating a second conductor with signal codes. A second television to produce Modulated second conductors and sections for the combination of the first and second modulated conductors to Produces a modulated coherent signal that has a high definition television signal defination. The composite signals show the width of the band that is compatible with the amplitude. Of the waveband of a television channel with standard defjection And there will be modulation spec Drum of frequency This will show the signal attenuation at frequencies relative to the high power code in television signals with such standard defjection. The first and second signal codes are the digital signal codes pressed. 1. 2. System for signal processing. High Defination Television Which will provide Dave The fusion of the image is greater than the signal. Standard Defination Television Which consists of Section for modulation The first signal with the code of the first television signal Determine to produce a modulated first conductor. Section for modulating a second conductor with signal codes. A second television to produce Modulated second conductors and sections for the combination of the first and second modulated conductors to Produces a modulated coherent signal that has a high definition television signal defination. The composite signals show the width of the band that is compatible with the amplitude. Of the waveband of a channel Television with standard defjection And there will be modulation spec Drum of frequency This will show the signal attenuation at frequencies relative to the high power code in television signals with that standard defining. One such signal code is the higher order code compared to the second signal code and shows a narrow band width compared to that second signal code. The first signal code shows a large amplitude relative to the second signal code. The first conductor is the square wave amplitude modulated by Translate the waveform into a square of the aforementioned signal code. The second conductor is a square wave amplitude modulated by Translates the square wave of the aforementioned signal code. The modulation spectrum of the frequency of the said composite signal shows attenuation. Further, at the frequencies associated with the code, the high energy signal will be audible. Television signals with such standard defjection and the first conductor being modulated are located in the lower part of the component. Of modulation spectrum of frequency 1 3. System for processing high definition television signals. Which will provide Dave More picture fusion than the standard Defiance television signals. Which consists of Section for modulation The first signal with the code of the first television signal Determine to produce a modulated first conductor. Section for modulating a second conductor with signal codes. A second television to produce Modulated second conductors and sections for the combination of the first and second modulated conductors to Produces a modulated coexistence signal that contains the advanced Deffinic TV code. The composite signals show the width of the band that is compatible with the amplitude. Of the waveband of a channel Television with standard defjection And there will be modulation spec Drum of frequency This will show the signal attenuation at frequencies relative to the high power code in television signals with such standard defjection. The second conductor displays the data rate as an integer multiplier of the data rate. 1 4. System according to claim 13, where the integer multiplier is 4 1. 5. In the system for receiving advanced Daffinic television signals Composed of Assemble the modulated signal, including one modulated signal to the first signal code. And the second conductor modulated with the second signal code The first signal code will Shows large amplitudes compared to the aforementioned second code. A modulated signal conductor that The one and the second are separated by a wave band showing attenuation at that frequency. Relative to the high power signal code in the signal Television with standard definition The modulated signal element has a width of the band that can be compatible with the width of the Channel wavebars Master Vision with Standard Defination A successful machine, which will show a signal that Performs attenuation at frequencies relative to the high power code in the signal. Television with a standard definition and consisting of Responding to such modulated signal elements for separating conductors. The first signal is modulated, and the second signal is modulated. The first signal operation includes a section for demodulating the first and second transducers that are sampled to compensate for the said first and second signal codes and the performance part. The second signal responds to the first and second signal codes that are compensated. Chuck from the aforementioned demodulation section for the development of the output signal representing the image on the screen 1. 6. The machine is accomplished according to Clause 15, where the said demodulation will be modulating the amplitude. Which is a rectangular signal, the first conductor being modulated. And the square wave amplitude is de-modulated, the second conductor is modulated 1 7. Completion of claim 15, where the first compensated signal code shows the amplitude. Narrow band versus code The second signal to be compensated 1 8. The instrument completes claim 15 where the first compensated signal code is placed at the bottom of the spectrum. The frequency of the modulated signal element and the aforementioned compensated second signal code are placed at the top of the spectrum of the Frequency of the modulated signal elements 1 9. The unit is fulfilled according to claim 15 and also contains For the decompression of the aforementioned first and second signal codes 2 0. The unit fulfills Clause 15 where the first compensated signal code contains the video signal code and the code. The first compensated low-frequency video signal and the aforementioned compensated secondary video code, as well as the high-frequency video signal 2 1. The unit fulfills Clause 20, where the first compensated code includes additionally to the audio code. And the second signal processing part, including the audio pathway 2 circuit. 2. The machine fulfills claim 15, and also the part of the clock generator responding to the signal obtained from the signal code one. Mentioned for the first clock signal production. 2. 3. The machine completes Clause 22, where part of the generation of the said clock signal, including the part for obtaining the clock signal Two are from one such clock signal. The first and second clock signals have a frequency that Which is the product of integers to each other. 2. 4. In a system for receiving high definition television signals. Composed of Assemble the modulated signal, including one modulated signal to the first signal code. And the second conductor modulated with the second signal code The first modulated conductor And the second is separated by a wave band showing the signal at attenuation at the relative frequency. With the high power code in the television signal with standard defination Signal element The modulated waveform has a wave band width that is compatible with the wave band width. Of the channel Television with standard defjection The machine is successful, which will show the signal Down at a frequency relative to the high energy code in the signal. Television with a standard definition and consisting of Responding to such modulated signal elements for separating conductors. The first signal modulated and the second signal modulated. The first signal operation and the demodulation section. Signal carrier The first and second that are modulated to compensate for the aforementioned first and second signal codes. The second signal operation responds to the first and second signal codes that are compensated. Chuck from the aforementioned demodulation section for developing an output signal that represents the image on the screen. The part of the clock generator responds to the signal obtained from the aforementioned signal code for the production of the first clock signal. Part of the first such clock signal generator It includes a section for obtaining a second clock signal from that first clock signal. The first and the aforementioned second clock signals have frequencies that are integer products of each other. Where the product is 4 2. 5. In a system for receiving high definition television signals Composed of Assemble the modulated signal, including one modulated signal to the first signal code. And the second conductor modulated with the second signal code The signal carrier Modulate one And the second is separated by bands that show attenuation at frequencies relative to High power code in television signals with standard deficiencies. Signal element The modulated waveform has a width of the wavelength that is compatible with the waveband width of a telephony channel with standard defjection. The machine is successful, which will show the attenuation signal. Down at the frequency relative to the high power signal code in the signal. Television with a standard class defini And contains Responding to such modulated signal elements for separating conductors. The first signal modulated and the second signal modulated. The first signal operation and the demodulation section. Signal carrier The first and second that are modulated to compensate for the aforementioned first and second signal codes. The second signal operation responds to the first and second signal codes that are compensated. Exactly from the aforementioned demodulation section for the development of an output signal that represents the image on the screen and the clock generator part responds to the signal obtained from the aforementioned signal code for the production of the first clock signal. Part of the first such clock signal generator It includes a section for obtaining a second clock signal from that first clock signal. The first and the aforementioned second clock signals have frequencies that are integer products of each other. The first such clock signal will be fed to the first signal processing section. The aforementioned second clock code execution and that second clock signal will be fed to the first signal processing section. To execute the aforementioned signal code process. 2 6. System for signal processing. High Defination Television Organized by Dave More image fusion on the screen than the signal A television with a standard class definish consists of a section for modulating the first conductor with the first television code, with the lower power code, with a predominance to produce a modulated first conductor. Section for modulating a second conductor with a second TV code to produce Modulated second conductor The second signal code shows a small amplitude. Than the aforementioned first and second signal code, and a section for the aforementioned first and second signaling to pass frequency doping. Spectrum, which has a low-band segment with a modulated first conductor and a high-wave-band segment There is a second conductor that is modulated as well. 2 7. In the system for receiving high television signals. Which consists of The modulated signal, including the first signal carrier modulated by the signal code. Television one It consists of a low frequency code with a predominance placed in the lower band. Of the spectrum frequency of the said modulated signal element and the second Modulated by signal code The second television is placed in the upper band of the frequency. The said spectrum of such signaling elements. The second such signal code shows the range. Wave width smaller than the one mentioned code The finished machine will consist of The input portion responds to the said television signal for the production of elements. The signal is modulated at the frequency at the base of the waveband. Operating segment, signal one responds to the base wave band of the signal element. That was modulated And including sections for the first and second conductor demodulation that are Such modulation is to compensate for the aforementioned first and second signal codes and the second signal operating part responds to the first and second signal codes. This was offset by the aforementioned demodulation for the development of a substitute output signal on screen 2. 8. The machine succeeded in claim 27 where the first compensated signal code represented the band width. Narrow waves compared to The second compensated signal code and the low frequency video code is also included, in most cases it except that the high frequency video code 2. 9. System for signal operation. High definition television Organized by Davefini The picture on the screen is more than the signal. Standard television includes For modulation of the first conductor with the first TV code to Produce a modulated first conductor Section for the second modulation of the conductor with the second TV code to produce Modulated second conductor The second signal code shows a small amplitude. Than the aforementioned first signal code and a section for merging the first and second signaled conductors said to produce a The frequency spectrum has the lower wave band section containing the modulated first conductor and the upper wave band containing the said modulated second conductor at The first modulated conductor is placed in the lower wave band so that the The first signal being modulated is significantly degraded by the Nyquist slope filter of a television set with a standard definition 3. 0. In the system for receiving signals High Defination Television Which consists of Assemble the modulated signal, including the first modulated signal to the first signal code. And the second conductor modulated with the second signal code The second signal code will Shows a smaller amplitudes than that of the first code. The second modulated conductor is placed in the upper wave band section, the frequency spectrum of the modulated signal element and the first modulated conductor is Arranged in the lower wave band Of that frequency spectrum so that the first conductor that is modulated is attenuated Significantly by the receptor nitwist slope filter A television set with a prefabricated standard definition includes The input portion responds to the said television signal for the production of elements. The modulated signal at the base frequency band. The operational part, the signal one, responds to the base band, the wave, the signal component that It is modulated, and includes sections for demodulating the first and second modulated conductors. The modulation code is shown to compensate for the aforementioned signal codes and the aforementioned second signal codes, and to the second signaling operations responding to the first and second signal codes that were offset from the demodulation section. For the development of an output signal that represents an image on screen 3 1. A system for HDTV signal coding consists of a single, abbreviated digital data, and a second, abbreviated digital data representing the HDTV image data. The first one is higher in order than the second. say A response to the aforementioned first and second digital data for the elimination of the restricted first and second signal QAM signals. It consists of first and second digital data respectively, with the first QAM signal having the widest amplitude. And will have a smaller amplitude than that of the second QAM signal and the whole segment for the first and second QAM aggregation for the Arrange the input signal into the channel Standard TV Where the first QAM signal and which Two of them will stay. In most cases, the shadow bands that restrict each other in the channel. Such a signal The shiny wave band is installed in the frequency band, usually covered. It is dominated by the side-bar groove and the top of the standard TV signal, respectively 3. 2. A receiver system for processing an HDTV signal consists of a conductor. The first and second QAM signals are eliminated from the QAM signal, the shadow bands that limit overlap and each other in standard TV channels. Such first QAM signals (a) are installed in The frequency bands are usually placed in the lateral groove of the signal. Standard television (b) contains high order abbreviated digital content compared to the abbreviated digital information contained by the aforementioned second QAM signal (c) at the higher amplitudes of the second QAM signal. And (d) has a smaller signal amplitude than that of the second QAM signal. The second QAM signal is installed in the broadband of the television channel. Standards are usually placed on top of the sidebar of the standard TV signal. For the demodulation of the first and second QAM signals. To compensate for information Correlated digital abbreviations Disconnected section for such compensated digital data and the compensated digital data drop-down section for signal development. That is used to represent the image on screen 3 3. The system for high definition television (HDTV) signal coding consists of a first digital source that is condensed and a second digital data that is abbreviated to represent the image information on the HDTV screen. The first and second modulated by the first and second digital data. The two are respectively, and the sections for the first and second signal combinations are modulated for the arrangement. The signal is entering a standard TV channel. The first and second signs modulated It will stay Most of the time, the shadow bands overlap with each other in the channel. The signals are respectively where the first and second modulated signals enter in the lower and upper shadow bands respectively. The signal modulated at one above shows a greater amplitude than that of The aforementioned second modulated signal and the said first modulated signal will contain sufficient video signal code to To simulate images where low defination can be seen, independent of the video signal code associated with the The second modulated signal 3 4.System for high reception of Defination TV signals Where there was a signal that one was module Late with audio and video signal codes And the second signal modulated by the video signal code Will stay mostly in the lower and upper shadow wave bands, limit the overlap under In standard TV channels A signal that is modulated at one such time has a signal code. The audio and video are sufficient to produce the bottom view of the defensive image independent of The signal code associated with the said second modulated signal. Such a system consists of Sections for the demodulation of the aforementioned first and second modulated signals to compensate for the code. Correlated audio and video signals Section for combining the compensated video signal code relative to the modulated signal that One such signal with the compensated video signal code relative to the The second module for Combined production of video signals The video signal action responds to the combined video signal. For producing the signal that represents the image on the screen and the operating part, the audio output responds to the compensated audio code. Relative to the signal being modulated at one such 3 5. The system according to Article 34, and also includes the clock signal generator, responds to the signal derived from the modulated signal that One such 3 6. In the system for receiving high definition television signals. Which will provide a delfinion The picture is more than a standard TV signal. And consists of signal elements Modulated, including one conductor Amplitude The rectangular signal is modulated with The transformation of the rectangular phase of the first TV signal code. And range conductors The amplitude of the rectangular signal is modulated to the second with the phase conversion of the rectangular signal of The second such signal code The signal element will show the bar width. The waves are comparable to the wavelength of a channel. Standard and defensive televisions will have a spectrum modulation of frequencies which will show the attenuation of the signal at the frequency associated with it. With the high power signal code in the standard class Daffinian television signal The terminal consists of a component that responds to such modulated signal elements for separating conductors. The first signal modulated and the second signal modulated. The first and second signal operations section, and the first and second conductors demodulate, are modulated to compensate for the aforementioned first and second signal codes, and the first and second signal operations part. Two respond to the first and second signal code that is compensated. Chuck from the aforementioned demodulation section for developing an output signal that represents the image on screen 3. 7. In the system for receiving high definition television signals. Which will provide a delfinion Of the picture than the standard television signal Davefini And contains modulated signals Which will include Restricted first conductor modulated to the first TV code and restricted second carrier modulated to the second TV code. The accompanying signal shows the input band width, channel band width. Standard Defination Television And there will be a modulation spectrum of frequency which will show the reduction Attenuation of the signal at frequency Which is related to the high-energy signal code in the television signal Daffiniti Such standard. The finished machine consists of Responding to such modulated signal elements for separating conductors. The first signal modulated and the second signal modulated. The first signal operation and the demodulation section. Signal carrier The first and second signal were modulated to compensate for the aforementioned first and second signal codes, and the second signal operating part responded to the first and second signal codes that were offset. Chuck from the aforementioned demodulation section for developing an output signal that represents the image on screen 3. 8. In a system for receiving high definition television signals. Which will provide a delfinion Of the picture is higher than that of a standard definition television signal And contains Modulated signal Which will include The first signal modulated to the first TV code that Will replace the abbreviated digital signal code And the second conductor modulated with the signal code The second TV, which represents the abbreviated digital signal code, the composite signal shows the corresponding band width with the channel band width. Standard defining televisions and will have a spectrum modulation of frequencies. Which will show the attenuation of the signal at frequency Related to High power signal code In a standard definition television signal The finished machine consists of Responding to such modulated signal elements for separating conductors. The first signal is modulated, and the second signal modulated. The first signal operation, as well as the part for demodulation. Signal carrier The first and second signal were modulated to compensate for the aforementioned first and second signal codes, and the second signal operating part responded to the first and second signal codes that were offset. Chuck from the aforementioned demodulation section for developing an output signal that represents the image on screen 3. 9. In the system for receiving signals High Defination Television Which provides a devotion of The higher the image the signal Standard Defination Television And contains modulated signals Which includes The first carrier modulated to the first TV code and the second modulated with the second TV code. The second conductor said. This is shown as an integer multiplier of the frequency of the first conductor. The accompanying signal shows the compatible band width with the channel band width. Standard Defination Television And there will be a modulation spectrum of frequencies which will show the attenuation. Signal at a frequency associated with a high energy signal code. In television signals, the standard defining machines consist of Responding to such modulated signal elements for separating conductors. The first signal modulated and the second signal modulated. One signal operation section, including a section for demodulation Signal carrier The first and second signal were modulated to compensate for the aforementioned first and second signal codes, and the second signal operating part responded to the first and second signal codes that were offset. Chuck from the aforementioned demodulation section for developing an output signal that represents the image on the screen.