Method and apparatus for media data transmission

• US 20040205224A1
• Filed: 02/26/2004
• Published: 10/14/2004
• Est. Priority Date: 01/15/1998
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Apple Inc.
• Inventors: Jones, Anne, Gong, Kevin L., Periyannan, Alagu, Geagan, Jay, Singer, David W.
• Granted Patent: US 7,366,788 B2
• Time in Patent Office: Days
• US Class Current: 709/231
• CPC Class Codes: H04L 65/1101 Session protocols
• CPC Class Codes: H04L 65/70 Media network packetisation
• CPC Class Codes: H04L 65/762 at the source reformatting of additional data in video distribution servers H04N21/2355
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols
• CPC Class Codes: H04N 21/23412 for generating or manipulating the scene composition of objects, e.g. MPEG-4 objects
• CPC Class Codes: H04N 21/234318 by decomposing into objects, e.g. MPEG-4 objects
• CPC Class Codes: H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
• CPC Class Codes: H04N 21/2353 specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata
• CPC Class Codes: H04N 21/2381 Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network transmission of MPEG streams over ATM H04L12/5601
• CPC Class Codes: H04N 21/242 Synchronization processes, e.g. processing of PCR [Program Clock References] arrangements for synchronising broadcast or distribution via plural systems in broadcast distribution systems H04H20/18
• CPC Class Codes: H04N 21/435 Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
• CPC Class Codes: H04N 21/4363 Adapting the video stream to a specific local network, e.g. a Bluetooth® network
• CPC Class Codes: H04N 21/4381 Recovering the multiplex stream from a specific network, e.g. recovering MPEG packets from ATM cells transmission of MPEG streams over ATM H04L12/5601
• CPC Class Codes: H04N 21/44012 involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
• CPC Class Codes: H04N 21/47205 for manipulating displayed content, e.g. interacting with MPEG-4 objects, editing locally
• CPC Class Codes: H04N 21/64322 IP
• CPC Class Codes: H04N 21/6437 Real-time Transport Protocol [RTP]
• CPC Class Codes: H04N 21/8455 involving pointers to the content, e.g. pointers to the I-frames of the video stream
• CPC Class Codes: H04N 21/8456 by decomposing the content in the time domain, e.g. in time segments
• CPC Class Codes: H04N 21/85406 : involving a specific file format, e.g. MP4 format
• CPC Class Codes: H04N 7/52 : Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal assembling of a multiplex stream by combining a video stream with other content or additional data, remultiplexing of multiplex streams, insertion of stuffing bits into the multiplex stream, assembling of a packetised elementary stream at server side H04N21/236; disassembling of a multiplex stream, remultiplexing of multiplex streams, extraction or processing of Service Information, disassembling of packetised elementary stream at client side H04N21/434

Abstract

Methods and apparatuses for processing media data transmitted in a data communication medium. A digital processing system is provided with a time related sequence of media data provided to the digital processing system based on a set of data, wherein the set of data indicates a method to transmit the time related sequence of media data according to a transmission protocol. The set of data, itself, is a time related sequence of data associated with the time related sequence of media data. The time related sequence of media data may be presented and/or stored by the digital processing system.

Claims

1-44. -44 (cancelled).

45. A method implemented by a digital processing system to process media data, said method comprising:

retrieving a time related sequence of media data that is received by said digital processing system as packets based on a set of data, wherein said set of data indicates a method to transmit said time related sequence of media data to said digital processing system according to defined packetizing characteristics, and wherein said set of data is a time related sequence of data associated with said time related sequence of media data.

46. The method of claim 45, wherein said defined packetizing characteristics comprise at least one of a particular network transmission protocol, a network bandwidth, and a data transmission rate.

47. The method of claim 46, wherein said particular network transmission protocol comprises an Internet protocol.

48. The method of claim 45, wherein said set of data is separate from said time related sequence of media data.

49. The method of claim 45, wherein said set of data comprises a sequence of indicating data.

50. The method of claim 49, wherein said indicating data contains instruction of how to packetize said time related sequence of media data.

51. The method of claim 49, wherein said indicating data contains logical links to a second set of indicating data, wherein said second set of indicating data contains instructions of how to packetize said time related sequence of media data.

52. The method of claim 45, further comprising:

presenting a media sequence associated with said time related sequence of media data.

53. The method of claim 45, further comprising:

presenting a media object represented by said time related sequence of media data in response to said packets being received at said digital processing system.

54. The method of claim 45, wherein for each of said packets, said set of data refers to data in at least one of a sequence of image data and a sequence of audio data.

55. The method of claim 54, further comprising:

presenting at said digital processing system said at least one of a sequence of image data and a sequence of audio data represented by said time related sequence of media data.

56. The method of claim 45, further comprising:

storing said time related sequence of media data.

57. The method of claim 56, wherein said time related sequence of media data is stored in a storage area coupled to said digital processing system.

58. The method of claim 45, further comprising:

storing information associated with a media object represented by said time related sequence of media data in response to said packets being received at said digital processing system.

59. The method of claim 58, further comprising:

reassembling said information associated with said media object; and

presenting said media object at said digital processing system.

60. The method of claim 45, further comprising:

receiving said packets representing said related sequence of media data at said digital processing system according to said defined packetizing characteristics.

61. A machine readable medium having executable instructions to cause a processor to perform a method comprising:

retrieving a time related sequence of media data that is received by said digital processing system as packets based on a set of data, wherein said set of data indicates a method to transmit said time related sequence of media data to said digital processing system according to defined packetizing characteristics, and wherein said set of data is a time related sequence of data associated with said time related sequence of media data.

62. The machine readable medium of claim 61, wherein said defined packetizing characteristics comprise at least one of a particular network transmission protocol, a network bandwidth, and a data transmission rate.

63. The machine readable medium of claim 62, wherein said particular network transmission protocol comprises an Internet protocol.

64. The machine readable medium of claim 61, wherein said set of data is separate from said time related sequence of media data.

65. The machine readable medium of claim 61, wherein said set of data comprises a sequence of indicating data.

66. The machine readable medium of claim 65, wherein said indicating data contains instruction of how to packetize said time related sequence of media data.

67. The machine readable medium of claim 65, wherein said indicating data contains logical links to a second set of indicating data, wherein said second set of indicating data contains instructions of how to packetize said time related sequence of media data.

68. The machine readable medium of claim 61, wherein the method further comprises:

presenting said time related sequence of media data.

69. The machine readable medium of claim 61, wherein the method further comprises:

presenting a media object represented by said time related sequence of media data in response to said packets being received at said digital processing system.

70. The machine readable medium of claim 61, wherein for each of said packets, said set of data refers to data in at least one of a sequence of image data and a sequence of audio data.

71. The machine readable medium of claim 70, wherein the method further comprises:

presenting said at least one of a sequence of image data and a sequence of audio data represented by said time related sequence of media data.

72. The machine readable medium of claim 61, wherein the method further comprises:

storing information associated with a media object represented by said time related sequence of media data in response to said packets being received at said digital processing system.

73. The machine readable medium of claim 72, wherein the method further comprises:

reassembling said information associated with said media object; and

presenting said media object.

74. The machine readable medium of claim 61, wherein the method further comprises:

receiving said packets representing said related sequence of media data according to said defined packetizing characteristics.

75. The machine readable medium of claim 61, comprising one of a magnetic storage medium, an optical storage medium, and an electronic storage medium.

76. A machine readable medium having a data structure comprises:

a time related sequence of media data associated with a set of data to indicate a method to transmit said time related sequence of media data to said digital processing system as packets according to defined packetizing characteristics, wherein said set of data is a time related sequence of data associated with said time related sequence of media data; and

a set of instructions to process said time related sequence of media data.

77. The machine readable medium of claim 76, wherein said defined packetizing characteristics comprise at least one of a particular network transmission protocol, a network bandwidth, and a data transmission rate.

78. The machine readable medium of claim 77, wherein said particular network transmission protocol comprises an Internet protocol.

79. The machine readable medium of claim 76, wherein said set of data is separate from said time related sequence of media data.

80. The machine readable medium of claim 76, wherein said set of instructions enable said digital processing system to present said time related sequence of media data.

81. The machine readable medium of claim 76, wherein said set of instructions enable said digital processing system to present a media object represented by said time related sequence of media data.

82. The machine readable medium of claim 76, wherein for each of said packets, said set of data refers to data in at least one of a sequence of image data and a sequence of audio data.

83. The machine readable medium of claim 82, wherein said set of instructions enable said digital processing system to present said at least one of a sequence of image data and a sequence of audio data represented by said time related sequence of media data.

84. The machine readable medium of claim 76, further comprising:

a storage area to store a file associated with said time related sequence of media data; and

a routine to enable said digital processing system to access said file to reassemble said time related sequence of media data to be processed by said set of instructions.

85. The machine readable medium of claim 76, comprising one of a magnetic storage medium, an optical storage medium, and an electronic storage medium.

86. A digital processing system comprising:

a data communication interface to receive packets representing a time related sequence of media data in accordance with information provided by a set of data that indicates a method to transmit said time related sequence of media data according to defined packetizing characteristics, and wherein said set of data is a time related sequence of data associated with said time related sequence of media data; and

a processor, coupled to said data communication interface, to process said time related sequence of media data.

87. The digital processing system of claim 86, wherein said defined packetizing characteristics comprise at least one of a particular network transmission protocol, a network bandwidth, and a data transmission rate.

88. The digital processing system of claim 87, wherein said particular network transmission protocol comprises an Internet protocol.

89. The digital processing system of claim 86, wherein said set of data is separate from said time related sequence of media data.

90. The digital processing system of claim 86, wherein said processor is coupled to a device to process said time related sequence of media data to be presented as a media object by said device.

91. The digital processing system of claim 86, wherein said device comprises at least one of an audio output device and a video output device.

92. The digital processing system of claim 86, wherein said processor is coupled to a storage area to store a file representing said time related sequence of media data.

93. The digital processing system of claim 86, wherein said processor is coupled to a storage area having stored therein:

a first set of instructions that, when executed by said processor, cause said processor to present at least one of a sequence of image data and a sequence of audio data represented by said time related sequence of media data.

94. The digital processing system of claim 93, wherein said storage area further has stored therein:

a second set of instructions that, when executed by said processor, cause said processor to create a file representing said at least one of a sequence of image data and a sequence of audio data represented by said media data.

95. The digital processing system of claim 94, wherein said storage area further has stored therein:

a third set of instructions that, when executed by said processor, cause said processor to reassemble said file representing said at least one of said sequence of image data and sequence of audio data, and present said reassembled file.

96. A system for processing media data comprising:

means for retrieving a time related sequence of media data received as packets based on a set of data for indicating a method to transmit said time related sequence of media data to said system according to defined packetizing characteristics, wherein said set of data is a time related sequence of data associated with said time related sequence of media data; and

means for processing said time related sequence of media data.

97. The system of claim 96, wherein said defined packetizing characteristics comprise at least one of a particular network transmission protocol, a network bandwidth, and a data transmission rate.

98. The system of claim 97, wherein said particular network transmission protocol comprises an Internet protocol.

99. The system of claim 96, further comprising:

means for storing a file representing at least one of said sequence of image data and said sequence of audio data; and

means for reassembling said file for presentation by said means for processing.

100. The system of claim 96, wherein said means for processing comprises:

means for storing a set of instructions for enabling said system to present a media object associated with said time related sequence of media data.

101. The system of claim 98, wherein said means for processing further comprises:

means for presenting said media object.

102. The system of claim 98, wherein said means for processing further comprises:

means for executing said set of instructions.

103. The system of claim 96, wherein said set of data is separate from said time related sequence of media data.