Signal transmission system for transmitting a plurality of information signals through a plurality of transmission channels
First Claim
1. A signal transmission system for transmitting a plurality of programmed information signals composed of audio signals each having an arbitrary time length and still picture video signals each included within a television frame period through a plurality of transmission channels, comprising at a transmitter end:
- an information signal source for producing said audio and still picture video signals;
multiplexing means for arranging said audio signals to form a single signal chain, dividing the signal chain into a number of audio signal portions each having a given time period, and allocating each of the audio signal portions into each of a plurality of audio transmission channels;
means for adding a video identification code to each of the still picture video signals in a vertical blanking period of a related television frame period;
means for forming a plurality of control code words each of which includes an index control code indicating an index of an information program composed of one or more still picture video signals and one or more audio signals; and
a transmission channel control code having a first control code for indicating one or more number codes of one or more audio channels through which said one or more audio signals denoted by said index control code are transmitted and a second control code for indicating one or more video identification codes of one or more still picture video signals denoted by said index control code;
means for allocating the control code words into at least one of said transmission channels and inserting them immediately before points of transition of the information signals; and
means for repeatedly transmitting said information signals and control code words at said given time period; and
at a receiver end;
means for producing said index control code having an index of a desired information program to be reproduced;
means for detecting the first control code for denoting one or more audio transmission channels through which one or more audio signals composing said desired information program are transmitted and the second control code for denoting one or more video identification codes of one or more still picture video signals composing said desired information program together with said audio signals; and
means for extracting said desired audio and still picture video signals on the basis of the detected transmission channel control code.
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Abstract
A transmission system for transmitting a plurality of information signals having arbitrary time lengths through a plurality of transmission channels, wherein at a transmitter end said plurality of information signals are allotted to said plurality of transmission channels in such a manner that in each transmission channel an information signal is followed by other information signal and a control signal comprising an index of an information composed of one or more information signals, a transmission channel or channels through which said one or more information signals are transmitted and one or more timings of transition of said one or more information signals is transmitted in addition to said information signals and at a receiver end a desired information signal is selectively extracted and reproduced under the control of said control signal.
137 Citations
13 Claims
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1. A signal transmission system for transmitting a plurality of programmed information signals composed of audio signals each having an arbitrary time length and still picture video signals each included within a television frame period through a plurality of transmission channels, comprising at a transmitter end:
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an information signal source for producing said audio and still picture video signals; multiplexing means for arranging said audio signals to form a single signal chain, dividing the signal chain into a number of audio signal portions each having a given time period, and allocating each of the audio signal portions into each of a plurality of audio transmission channels; means for adding a video identification code to each of the still picture video signals in a vertical blanking period of a related television frame period; means for forming a plurality of control code words each of which includes an index control code indicating an index of an information program composed of one or more still picture video signals and one or more audio signals; and
a transmission channel control code having a first control code for indicating one or more number codes of one or more audio channels through which said one or more audio signals denoted by said index control code are transmitted and a second control code for indicating one or more video identification codes of one or more still picture video signals denoted by said index control code;means for allocating the control code words into at least one of said transmission channels and inserting them immediately before points of transition of the information signals; and means for repeatedly transmitting said information signals and control code words at said given time period; and
at a receiver end;means for producing said index control code having an index of a desired information program to be reproduced; means for detecting the first control code for denoting one or more audio transmission channels through which one or more audio signals composing said desired information program are transmitted and the second control code for denoting one or more video identification codes of one or more still picture video signals composing said desired information program together with said audio signals; and means for extracting said desired audio and still picture video signals on the basis of the detected transmission channel control code. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A transmitter for transmitting a plurality of programmed information signals composed of audio signals each having an arbitrary time length and still picture video signals each included within a television frame period through a plurality of transmission channels, comprising:
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an information signal source for producing said audio and still picture video signals; multiplexing means for arranging said audio signals to form a single signal chain, dividing the signal chain into a number of audio signal portions each having a given time period, and allocating each of the audio signal portions into each of a plurality of audio transmission channels; means for adding a video identification code to each of the still picture video signals in a vertical blanking period of a related television frame period; means for forming a plurality of control code words each of which includes an index control code indicating an index of an information program composed of one or more still picture video signals and one or more audio signals; and
a transmission channel control code having a first control code for indicating one or more number codes of one or more audio channels through which said one or more audio signals denoted by said index control code are transmitted and a second control code for indicating one or more video identification codes of one or more still picture video signals denoted by said index control code;means for allocating the control code words into at least one of said transmission channels and inserting them immediately before points of transition of the information signals; and means for repeatedly transmitting said information signals and control code words at said given time period.
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13. A receiver for receiving a plurality of programmed information signals composed of audio signals each having an arbitrary time length and still picture video signals each included within a television frame period through a plurality of transmission channels;
- and for receiving a plurality of control code words each of which includes an index control code indicating an index of an information program composed of one or more still picture video signals and one or more audio signals, and a transmission channel control code having a first control code for indicating one or more number codes of one or more audio channels through which said one or more audio signals denoted by said index control code are transmitted and a second control code for indicating one or more video identification codes of one or more still picture video signals denoted by said index control code, the receiver comprising;
a. means for producing said index control code having an index of a desired information program to be reproduced; b. means for detecting the first control code for denoting one or more audio transmission channels through which one or more audio signals composing said desired information program are transmitted and the second control code for denoting one or more video identification codes of one or more still picture video signals composing said desired information program together with said audio signals; and c. means for extracting said desired audio and still picture video signals on the basis of the detected transmission channel control code.
- and for receiving a plurality of control code words each of which includes an index control code indicating an index of an information program composed of one or more still picture video signals and one or more audio signals, and a transmission channel control code having a first control code for indicating one or more number codes of one or more audio channels through which said one or more audio signals denoted by said index control code are transmitted and a second control code for indicating one or more video identification codes of one or more still picture video signals denoted by said index control code, the receiver comprising;
Specification