Audio/video transceiver apparatus including compression means

• US 4,963,995 A
• Filed: 12/27/1988
• Issued: 10/16/1990
• Est. Priority Date: 12/27/1988
• Status: Expired due to Term

• Current Assignee: Burstcom Incorporated (Burst.com), Explore Technology, Inc. (Democrasoft Holdings, Inc.), Spiess G. Peter
• Original Assignee: Explore Technology, Inc. (Democrasoft Holdings, Inc.)
• Inventors: Lang, Richard A.
• Primary Examiner(s): Richardson, Robert L.
• Application Number:
  US07/289,776
• Time in Patent Office: 658 Days
• Field of Search: 360/9.1, 360/55, 360/13, 360/14.1, 360/8, 358/335, 358/903, 358/901, 358/133
• US Class Current: 386/285
• CPC Class Codes: G11B 2220/20 Disc-shaped record carriers
• CPC Class Codes: G11B 2220/41 Flat as opposed to hierarchical combination, e.g. library of tapes or discs, CD changer, or groups of record carriers that together store one title
• CPC Class Codes: G11B 2220/455 said record carriers being in one device and being used as primary and secondary/backup media, e.g. HDD-DVD combo device, or as source and target media, e.g. PC and portable player
• CPC Class Codes: G11B 2220/61 wherein solid state memory is used for storing A/V content
• CPC Class Codes: G11B 2220/90 Tape-like record carriers
• CPC Class Codes: G11B 27/002 Programmed access in sequence to a plurality of record carriers or indexed parts, e.g. tracks, thereof, e.g. for editing; transfer of record carriers from magazine G11B15/68, G11B17/10; G11B17/22
• CPC Class Codes: G11B 27/024 on tapes G11B27/028, G11B27/029 take precedence
• CPC Class Codes: G11B 27/026 on discs G11B27/028, G11B27/029 take precedence
• CPC Class Codes: G11B 27/031 Electronic editing of digitised analogue information signals, e.g. audio or video signals
• CPC Class Codes: G11B 27/032 on tapes G11B27/036, G11B27/038 take precedence
• CPC Class Codes: G11B 27/034 on discs G11B27/036, G11B27/038 take precedence
• CPC Class Codes: G11B 27/036 Insert-editing
• CPC Class Codes: G11B 27/34 Indicating arrangements indicating means incorporated in magazine or cassette G11B23/046 and G11B23/0875; indicating measured values in general G01D
• CPC Class Codes: G11B 5/86 Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by varying the order of the information G11B27/029, G11B27/036
• CPC Class Codes: H04N 19/00 Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
• CPC Class Codes: H04N 21/2383 Channel coding or modulation of digital bit-stream, e.g. QPSK modulation arrangements for detecting or preventing errors in the information received by adapting the channel coding H04L1/0009; analogue front ends or means for connecting modulators, demodulators or transceivers to a transmission line H04L27/0002
• CPC Class Codes: H04N 21/4382 Demodulation or channel decoding, e.g. QPSK demodulation analog front ends or means for connecting modulators, demodulators or transceivers to a transmission line H04L27/0002
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/85 on discs or drums
• CPC Class Codes: H04N 5/91 Television signal processing therefor
• CPC Class Codes: H04N 7/04 : Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier H04N7/084, H04N7/087 take precedence
• CPC Class Codes: H04N 9/7921 : for more than one processing mode

Abstract

An improved video recorder/transmitter with expanded functionality including a capability for editing and/or copying from one video tape to another using only a single tape deck. The increased functionality is realized through the use of analog to digital conversion, signal compression and intermediate storage in an integrated circuit, random access memory. The recorder/transmitter has capabilities to transmit and receive program information in either a compressed or decompressed format over fiber optic lines.

Claims

1. An audio/video transceiver apparatus comprising:

input means for receiving audio/visual source information;

compression means, coupled to said input means, for compressing said audio/video source information into a time compressed representation thereof having an associated time period that is shorter than a time period associated with a real time representation of said audio/video source information;

random access storage means, coupled to said compression means, for storing the time compressed representation of said audio/video source information; and

output means, coupled to said random access storage means, for receiving the time compressed audio/video source information stored in said random access storage means for transmission away from said audio/video transceiver apparatus.

2. An audio/video transceiver apparatus as in claim 1 further comprising editing means, coupled to said random access storage means, for editing the time compressed representation of said audio/video source information stored in said random access storage means and for restoring the edited time compressed representation of said audio/video source information in said random access storage means;

and wherein said output means is operative for receiving the edited time compressed representation of said audio/video source information stored in said random access storage means for transmission away from said audio/video transceiver apparatus.

3. An audio/video transceiver apparatus as in claim 2 further comprising monitor means for enabling the user to selectively identify the time compressed representation of said audio/video source information stored in said random access storage means during editing.

4. An audio/video transceiver apparatus as in claim 1 wherein said output means comprises a fiber optic output port for coupling said audio/video transceiver apparatus to a fiber optic transmission line.

5. An audio/video transceiver apparatus as in claim 1 wherein said output means comprises a modem for coupling said audio/video transceiver apparatus to a telephone transmission line.

6. An audio/video transceiver apparatus as in claim 11 wherein said random access storage means comprises an optical disc.

7. An audio/video transceiver apparatus as in claim 1 wherein said random access storage means comprises a semiconductor memory.

8. An audio/video transceiver apparatus as in claim 1 wherein:

said audio/video source information comprises analog audio/video source information;

said audio/video transceiver apparatus further comprises analog to digital converter means for converting said analog audio/video source information to corresponding digital audio/video source information;

said compression means is operative for compressing said corresponding digital audio/video source information into a digital time compressed representation thereof having an associated time period that is shorter than a time period associated with a real time representation of said digital audio/video source information; and

said random access storage means is operative for storing said digital time compressed representation of said corresponding digital audio/video source information.

9. An audio/video transceiver apparatus as in claim 1 wherein:

said audio/video source information comprises digital audio/video source information;

said compression means is operative for compressing said digital audio/video source information into a digital time compressed representation thereof having an associated time period that is shorter than a time period associated with a real time representation of said digital audio/video source information; and

said random access storage means is operative for storing said digital time compressed representation of said digital audio/video source information;

10. An audio/video transceiver apparatus as in claim 8 wherein said input means is coupled to an external television camera and said analog audio/video source information comprises information received from said external television camera.

11. An audio/video transceiver apparatus as in claim 8 wherein said input means is coupled to an external analog video tape recorder and said analog audio/video source information comprises information received from said external analog video tape recorder.

12. An audio/video transceiver apparatus as in claim 8 wherein said input means is coupled to an external television RF tuner and said analog audio/video source information comprises information received from said external television RF tuner.

13. An audio/video transceiver apparatus as in claim 8 wherein said input means comprises television RF tuner means coupled to an external television antenna and said analog audio/video source information comprises information transmitted by a remotely located television transmitter.

14. An audio/video transceiver apparatus as in claim 8 wherein said input means comprises television RF tuner means coupled to an external cable television system and said analog audio/video source information comprises information received from said external cable television system.

15. An audio/video transceiver apparats is in claim 9 wherein said input means is coupled to an external computer and said digital audio/video source information comprises computer-generated audio/video information.

16. An audio/video transevier apparatus as in claim 9 wherein said input means comprises a fiber optic input port coupled to a fiber optic transmission line and said digital audio/video source information comprises information received over said fiber optic transmission line.

20. An audio/video transceiver apparatus as in claim 1 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing said time compressed representation of said audio/video source information stored in said random access storage means; and

editing means, coupled to said random access storage means and decompression means, for editing said selectively decompressed time compressed representation of said audio/video source information, and for storing said edited selectively decompressed time compressed representation of said audio/video source information in said random access storage means.

21. An audio/video transceiver apparatus as in claim 1 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing said time compressed representation of said audio/video source information stored in said random access storage means; and

editing means, coupled to said random access storage means an decompression means, for editing said selectively decompressed time compressed representation of said audio/video source information;

wherein said compression means is operative for recompressing the edited selectively decompressed time compressed representation of said audio/video source information; and

wherein said random access storage means is operative for storing the recompressed selectively decompressed time compressed representation of said audio/video source information.

22. An audio/video transceiver apparatus as in claim 1 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing the time compressed representation of said audio/video source information stored in said random access storage means; and

monitor means for enabling the user to view the selectively decompressed time compressed representation of said audio/video source information.

23. An audio/video transceiver apparatus as in claim 8 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing the digital time compressed representation of said corresponding digital audio/video source information stored in said random access storage means; and

editing means, coupled to said random access storage means and decompression means, for editing the decompressed digital time compressed representation of said corresponding digital audio/video source information and for then storing the edited decompressed digital time compressed representation of said corresponding digital audio/video source information in said random access storage means.

24. An audio/video transceiver apparatus as in claim 23 further comprising monitor means for enabling the user to selectively view the decompressed digital time compressed representation of said corresponding digital audio/video source information during editing.

25. An audio/video transceiver apparatus as in claim 8 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing the digital time compressed representation of said corresponding digital audio/video source information stored in said random access storage means; and

monitor means, coupled to said decompression means, for enabling the user to selectively view the decompressed digital time compressed representation of said corresponding digital audio/video source information.

26. An audio/video transceiver apparatus as in claim 9 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing the digital time compressed representation of said digital audio/video source information stored in said random access memory means; and

editing means, coupled to said random access storage means and decompression means, for editing the decompressed digital time compressed representation of said digital audio/video source information;

said random access storage means thereafter being operative for storing the edited decompressed digital time compressed representation of said digital audio/video source information in said random access storage means.

27. An audio/video transceiver apparatus as in claim 26 further comprising monitor means for enabling the user to selectively view the decompressed digital time compressed representation of said digital audio/video source information during editing.

28. An audio/video transceiver apparatus as in claim 9 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing the digital time compressed representation of said digital audio/video source information stored in said random access memory means; and

monitor means, coupled to said decompression means, for enabling the user to selectively view the decompressed digital time compressed representation of said digital audio/video source information.

29. An audio/video transceiver apparatus as in claim 8 further comprising a video tape recorder for providing said analog audio/video source information.

44. An audio/video transceiver apparatus as in claim 1 further comprising recording means, including a removable recording medium coupled to said random access storage means, for storing the time compressed representation of said audio/video source information stored in said random access storage means onto said removable recording medium.

45. An audio/video transceiver apparatus as in claim 2 further comprising recording means, including a removable recording medium, coupled to said random access storage means, for storing the edited time compressed representation of said audio/video source information stored in said random access storage means onto said removable recording medium.

46. An audio/video transceiver apparats as in claim 45 further comprising monitor means for enabling the user to selectively view the time compressed representation of said audio/video source information stored on said removable recording medium.

48. An audio/video transceiver apparatus as in claim 2 further comprising recording means, including a removable recording medium, coupled to said random access storage means, for storing the edited decompressed time compressed representation of said audio/video source information stored in said random access storage means.

49. An audio/video transceiver apparatus as in claim 1 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing the time compressed representation of said audio/video source information stored in said random access storage means; and

recording means, including a removable recording medium, coupled to said decompression means, for storing the selectively decompressed tome compressed representation of said audio/video source information stored in said random access storage means.

50. An audio/video transceiver apparatus as in claim 22 further comprising:

recording means, including a removable recording medium, coupled to said decompression means, for storing the selectively decompressed tome compressed representation of said audio/video source information on said hard copy storage medium; and

wherein said monitor means is operative for enabling the user to view the selectively decompressed time compressed representation of said audio/video source information stored on said removable recording medium.

51. An audio/video transceiver apparatus as in claim 9 further comprising CD-ROM means for providing said digital audio/video source information.

52. An audio/video transceiver apparats as in claim 9 further comprising erasable optical disc means for providing said digital audio/video source information.

54. An audio/video transceiver apparatus as in claim 1 further comprising external video tape recorder means, coupled to said output means, for storing the time compressed representation of said audio/video source information stored in said random access storage means onto magnetic tape.

55. An audio/video transceiver apparatus as in claim 2 further comprising external video tape recorder means, coupled to said output means, for storing the edited time compressed representation of said audio/video source information stored in said random access storage means onto magnetic tape.

57. An audio/video transceiver apparatus as in claim 52 further comprising external video tape recorder means, coupled to said output means, for storing the edited decompressed time compressed representation of said audio/video source information stored in said random access storage means onto magnetic tape.

58. An audio/video transceiver apparatus as in claim 1 further comprising:

decompression means, coupled to said random access storage means, for selectively decompressing the time compressed representation of said audio/video source information stored in said random access storage means; and

external video tape recorder means, coupled to said output means, for storing the selectively decompressed time compressed representation of said audio/video source information stored in said random access storage means.

59. An audio/video transceiver apparatus as in claim 22 further comprising external video tape recorder means, coupled to said output means, for storing the selectively decompressed time compressed representation of said audio/video source information onto magnetic tape.

80. An audio/video transceiver apparatus as in claim 1 further comprising editing means, coupled to said random access storage means, for editing said time compressed representation of said audio/video source information and for then storing the edited time compressed representation of said audio/video source information in said random access storage means.

17. An audio/video transceiver apparatus comprising:

input means for receiving audio/video source information as a time compressed representation thereof, said time compressed representation of said audio/video source information being received over an associated burst time period that is shorter than a real time period associated with said audio/video source information;

random access storage means, coupled to said input means, for storing the time compressed representation of said audio/video source information received by said input means; and

output means, coupled to said random access storage means, for receiving the time compressed representation of said audio/video source information stored in said random access storage means for transmission away from said audio/video transceiver apparatus.

18. An audio/video transceiver apparatus as in claim 17 wherein:

said input means comprises a fiber optic input port;

said input means is coupled, via a fiber optic transmission line, to a video library, said video library storing a multiplicity of items of audio/video source information in said time compressed representation for selective retrieval, in said associated burst time period over said fiber optic transmission line, by the user.

19. An audio/video transceiver apparatus as in claim 17 in combination with a video library, coupled via a communication link with said audio/video transceiver apparatus, said video library storing a multiplicity of items of audio/video source information in said time compressed representation for selective retrieval, in said associated burst time period over said communication link.

47. An audio/video transceiver apparatus as in claim 17 further comprising recording means, including a removable recording medium, coupled to said random access storage means, for storing the time compressed representation of said audio/video source information stored in said random access storage means onto said removable recording medium.

53. An audio/video transceiver apparatus as in claim 17 wherein:

said input means comprises television RF tuner means; and

said audio/video source information comprises a time compressed representation thereof transmitted by a remotely located television transmitter.

56. An audio/video transceiver apparatus as in claim 17 further comprising external video tape recorder means, coupled to said output means, for storing the time compressed representation of said audio/video source information stored in said random access storage means onto magnetic tape.

30. An audio/video information transfer network comprising:

a plurality of audio/video transceivers, coupled via one or more communication links, each of said audio/video transceivers comprising;

input means for receiving audio/video source information;

compression means, coupled to said input means, for compressing said audio/video source information into a time compressed representation thereof having an associated burst time period that is shorter than a time period associated with a real time representation of said audio/video source information;

random access storage means, coupled to said compression means, for storing the time compressed representation of said audio/video source information; and

output means, coupled to said random access storage means and to one of said one or more communications links, for receiving the time compressed format representation of said audio/video source information stored in said random access storage means for transmission in said burst time period to another one of said plurality of audio/video transceivers.

31. An audio/video information transfer network as in claim 30 wherein said input means of one of said plurality of audio/video transceivers comprises a fiber optic input port, said output means of another one of said plurality of audio/video transceivers comprises a fiber optic output port, and one of said one or more communications links comprises a fiber optic transmission line coupled between said fiber optic input port and said fiber optic output port.

32. An audio/video information transfer network as in claim 30 wherein said output means of one of said plurality of audio/video transceivers comprises a modem and one of said one or more communications links comprises a telephone transmission line.

33. An audio/video information transfer network as in claim 30 wherein said random access storage means comprises an optical disc memory.

34. An audio/video information transfer network as in claim 30 wherein said random access storage means comprises a semiconductor memory.

35. An audio/video information transfer network as in claim 30 wherein said random access storage means of one of said plurality of audio/video transceivers stores a library comprising a multiplicity of items of audio/video source information in said time compressed representation for selective transmission in said associated burst time period to another on of said audio/video transceivers.

36. An audio/video information transfer network as in claim 30 wherein at least one of said audio/video transceivers further comprises recording means, including a removable recording medium, coupled to said random access storage means, for storing the time compressed representation of said audio/video source information stored in said random access storage means onto said removable recording medium.

37. An audio/video information transfer network as in claim 30 wherein at least one of said audio/video transceivers further comprises:

decompression means, coupled to said random access storage means, for decompressing the time compressed representation of said audio/video source information stored in said random access storage means; and

recording means, including a removable recording medium coupled to said decompression means, for storing the decompressed time compressed format representation of said audio/video source information onto said removable recording medium.

38. An audio/video information transfer network as in claim 36 wherein said recording means comprises a video tape recorder and said removable recording medium comprises magnetic tape.

39. An audio/video information transfer network as in claim 37 wherein said recording means comprises a video tape recorder and said removable recording medium comprises magnetic tape.

40. An audio/video information transfer network as in claim 36 wherein said recording means comprises a write once read many (WORM) optical disc drive and said removable recording medium comprises one or more WORM discs.

41. An audio/video information transfer network as in claim 37 wherein said recording means comprises a write once read many (WORM) optical disc drive and said removable recording medium comprises one or more WORM discs.

42. An audio/video information transfer network as in claim 36 wherein said recording means comprises an erasable optical disc drive and said hard copy storage medium comprises one or more erasable optical discs.

43. An audio/video information transfer network as in claim 37 wherein said recording means comprises an erasable optical disc drive and said hard copy storage medium comprises one or more erasable optical discs.

60. An audio/video transceiver apparatus comprising:

input means for receiving analog and/or digital audio/video source information;

analog to digital converter means for converting analog audio/video source information received at said input means to corresponding digital audio/video source information;

digital to analog converter means for converting digital audio/video source information received at said input means to corresponding analog audio/video information;

compressor/decompressor means for compressing digital audio/video source information received at said input means or said corresponding digital audio/video source information received from said analog to digital converter means into a time compressed representation of said digital or corresponding digital audio/video source information, said time compressed representation having an associated time period that is shorter than a time period associated with a real time representation of said digital or corresponding digital audio/video source information, said compressor/decompressor means being further operative for decompressing said time compressed representation into a decompressed real time representation of said digital or corresponding digital audio/video source information;

central processing unit means for controlling operation of said compressor/decompressor means;

random access storage means for storing said time compressed representation of said digital or corresponding digital audio/video source information and for storing said decompressed real time representation of said digital or corresponding digital audio/video source information;

controller means for enabling communication between said compressor/decompressor means, said central processing unit means, and said random access memory means; and

output means for receiving said time compressed representation of said digital or corresponding digital audio/video source information stored in said random access storage means for transmission away from said audio/video transceiver apparatus.

61. An audio/video transceiver apparatus as in claim 60 further comprising time bas generator means for supplying timing information for association with said time compressed representation of said digital or corresponding digital audio/video source information.

62. An audio/video transceiver apparatus as in claim 60 further comprising audio/video recording means, including a recording medium, for recording said analog or corresponding analog audio/video source information onto said recording medium.

63. An audio/video transceiver apparatus as in claim 60 further comprising audio/video recording means, including a recording medium, for recording said digital or corresponding digital audio/video source information onto said recording medium.

64. An audio/video transceiver apparatus as in claim 62 wherein said recording medium comprises magnetic tape.

65. An audio/video transceiver apparatus as in claim 63 wherein said recording medium comprises magnetic tape.

66. An audio/video transceiver apparatus as in claim 63 wherein said recording medium comprises a CD-ROM.

67. An audio/video transceiver apparatus as in claim 63 wherein said recording medium comprises a WORM optical disc.

68. An audio/video transceiver apparatus as in claim 63 wherein said recording medium comprises an erasable optical disc.

69. An audio/video transceiver apparatus as in claim 60 further comprising audio/video recording and playback means coupled to said input means for providing said analog and/or digital audio/video source information.

70. An audio/video transceiver apparatus as in claim 60 further comprising high speed bus means coupled to said input means, and wherein said input means comprises auxiliary digital input means for receiving said digital audio/video source information.

71. An audio/video transceiver apparatus as in claim 70 wherein said high speed bus means comprises an optical bus.

72. An audio/video transceiver apparatus as in claim 60 further comprising high speed bus means coupled to said input means, and wherein said input means comprises fiber optic input means for receiving said digital audio/video source information.

73. An audio/video transceiver apparatus as in claim 60 further comprising high speed bus means, and wherein said analog to digital converter means, digital to analog converter means, compressor/decompressor means, central processing unit means, and controller means are coupled to said random access storage means via said high speed bus means.

74. An audio/video transceiver apparatus as in claim 60 further comprising:

digital control unit means, said digital control unit means comprising;

additional central processing unit means;

read-only memory means coupled to said additional central processing unit means for storing microinstructions defining a plurality of selected editing functions; and

additional controller means for enabling communication between said additional central processing unit means and said read-only memory means;

said additional central processing unit means being operative for selectively executing the microinstructions stored in said read-only memory means to perform one or more of said plurality of selected editing functions.

75. An audio/video transceiver apparatus as in claim 74 wherein said digital control unit means is coupled to said random access storage means.

76. An audio/video transceiver apparatus as in claim 73 further comprising RGB converter means for converting information stored in said random access storage means to an RGB format, and wherein said output means comprises RGB output means for receiving RGB format information from said RGB converter means.

77. An audio/video transceiver apparatus as in claim 73 wherein said output means comprises audio/video transmitter/receiver means coupled to said high speed bus for receiving said time compressed representation of said digital or corresponding digital audio/video source information stored in said random access storage means for transmission away from said audio/video transceiver apparatus.

78. An audio/video transceiver apparatus as in claim 77 wherein said audio/video transmitter/receiver means comprises a modem for coupling to a telephone transmission line.

79. An audio/video transceiver apparatus as in claim 77 wherein said audio/video transmitter/receiver means comprises a fiber optic transceiver for coupling to a fiber optic transmission line.