Transmission of multimedia streams to mobile devices with cross stream association

• US 8,332,896 B2
• Filed: 05/27/2009
• Issued: 12/11/2012
• Est. Priority Date: 07/05/2007
• Status: Active Grant

• Current Assignee: Coherent Logix, Incorporated
• Original Assignee: Coherent Logix, Incorporated
• Inventors: Shelby, Kevin A., Nysen, Peter J., Doerr, Michael B.
• Primary Examiner(s): Kumar, Pankaj
• Assistant Examiner(s): BROWN, RUEBEN M
• Application Number:
  US12/472,892
• Publication Number:
  US 20090235141A1
• Time in Patent Office: 1,294 Days
• Field of Search: 714/752, 714/755, 714/751, 725/132, 725/152, 725/62
• US Class Current: 725/62
• CPC Class Codes: H03M 13/1102 Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
• CPC Class Codes: H03M 13/2732 Convolutional interleaver; Interleavers using shift-registers or delay lines like, e.g. Ramsey type interleaver
• CPC Class Codes: H03M 13/29 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
• CPC Class Codes: H03M 13/2906 using block codes H03M13/2957 takes precedence
• CPC Class Codes: H03M 13/2909 Product codes
• CPC Class Codes: H03M 13/2936 comprising an outer Reed-Solomon code and an inner convolutional code
• CPC Class Codes: H03M 13/2957 Turbo codes and decoding
• CPC Class Codes: H03M 13/6583 Normalization other than scaling, e.g. by subtraction
• CPC Class Codes: H04L 1/0059 Convolutional codes
• CPC Class Codes: H04L 1/0069 Puncturing patterns
• CPC Class Codes: H04L 1/007 Unequal error protection for format H04L1/0078; for codes per se H03M13/35
• CPC Class Codes: H04L 1/0075 Transmission of coding parameters to receiver H04L1/0023 takes precedence
• CPC Class Codes: H04L 1/0083 Formatting with frames or packets; Protocol or part of protocol for error control
• CPC Class Codes: H04L 1/04 using frequency diversity
• CPC Class Codes: H04L 1/06 using space diversity
• CPC Class Codes: H04L 1/08 by repeating transmission, e.g. Verdan system H04L1/1858 and H04L1/189 take precedence
• CPC Class Codes: H04L 65/611 for multicast or broadcast systems for broadcast or conference H04L12/18; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time H04H60/00; selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS], H04W4/06
• CPC Class Codes: H04L 65/70 Media network packetisation
• 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 21/2383 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 21/41407 : embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• 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 21/4382 : 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 21/6131 : involving transmission via a mobile phone network wireless downlink channel access H04W74/006
• CPC Class Codes: H04N 21/6437 : Real-time Transport Protocol [RTP]

Abstract

A system and method for wirelessly transmitting audiovisual information. A first plurality of packets including audiovisual information may be generated. A second plurality of packets including error correction coding information for the audiovisual information may be generated. Control information for associating the error correction coding information with the audiovisual information may be generated, and a third plurality of packets including the control information may also be generated. The plurality of packets, including the first, second, and third pluralities of packets, may be transmitted to a mobile device in a wireless manner. The control information may inform the mobile device of the association of the first error correction coding information with the audiovisual information.

Claims

1. A method for broadcasting audiovisual information to mobile and stationary devices in a wireless manner, the method comprising:

generating a first plurality of packets, wherein the first plurality of packets comprise first audiovisual information, wherein the first plurality of packets is usable by the stationary devices;

generating a second plurality of packets, wherein the second plurality of packets comprise first error correction coding information for the first audiovisual information;

generating control information, wherein the control information comprises commands for associating the first error correction coding information with at least a portion of the first audiovisual information;

transmitting packets to the mobile and stationary devices in a wireless manner, wherein the packets comprise the first plurality of packets, the second plurality of packets, and the control information;

wherein the control information informs the mobile devices of the association of the first error correction coding information with the at least a portion of the first audiovisual information, wherein the first error correction coding information is useable by the mobile devices;

wherein the second plurality of packets and the control information are not used by the stationary devices.

2. The method of claim 1,

wherein the first plurality of packets comprising the first audiovisual information also comprise error correction coding information;

wherein the first error correction coding information in the second plurality of packets is supplemental to the error correction coding information in the first plurality of packets.

3. The method of claim 2,

wherein the first error correction coding information is formed using a first error correction encoding method;

wherein the error correction coding information in the first plurality of packets is formed using a second error correction encoding method, wherein the second error correction encoding method is different than the first error correction encoding method.

4. The method of claim 1,

wherein the first error correction coding information comprises a first pattern of error correction coding information and a second pattern of error correction coding information.

5. The method of claim 4,

wherein the first pattern of error correction coding information and the second pattern of error correction coding information are one or more of:

1) separated in time;

or

     2) separated in frequency.

6. The method of claim 4,

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

7. The method of claim 1, wherein the control information is included in the second plurality of packets for said transmitting.

8. The method of claim 1, further comprising:

generating a third plurality of packets, wherein the third plurality of packets comprise the control information;

wherein said transmitting packets to the mobile and stationary devices comprises transmitting the first plurality of packets, the second plurality of packets, and the third plurality of packets.

9. The method of claim 1, further comprising:

generating a fourth plurality of packets, wherein the fourth plurality of packets comprise second audiovisual information, wherein at least a portion of the second audiovisual information is complementary to the first audiovisual information;

generating a fifth plurality of packets, wherein the fifth plurality of packets comprise second error correction coding information for the second audiovisual information;

wherein said transmitting the plurality of packets to the mobile and stationary devices in a wireless manner further comprises transmitting the fourth plurality of packets and the fifth plurality of packets;

wherein the commands in the control information associate the second error correction coding information with at least a portion of the second audiovisual information.

10. The method of claim 9,

wherein the first error correction coding information comprises a first pattern of error correction coding information and the second error correction coding information comprises a second pattern of error correction coding information;

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

11. The method of claim 9,

wherein the first and second audiovisual information are one or more of:

1) separated in time;

or

     2) separated in frequency.

12. The method of claim 9,

wherein the first and second error correction coding information are one or more of:

1) separated in time;

or

     2) separated in frequency.

13. The method of claim 9,

wherein the commands in the control information further associate the second error correction coding information and the second audiovisual information with the first error correction coding information and the first audiovisual information.

14. The method of claim 9,

wherein the commands in the control information further associate the second audiovisual information with the first audiovisual information;

wherein the second error correction coding information is also associated with the first audiovisual information due to its association with the second audiovisual information.

15. The method of claim 13,

wherein the commands in the control information further associate the second error correction coding information and the second audiovisual information with the first error correction coding information and the first audiovisual information.

16. The method of claim 13,

wherein the commands in the control information further associate the second audiovisual information with the first audiovisual information;

wherein the second error correction coding information is also associated with the first audiovisual information due to its association with the second audiovisual information.

17. The method of claim 1, further comprising:

generating a fourth plurality of packets, wherein the fourth plurality of packets comprise second audiovisual information, wherein at least a portion of the second audiovisual information is the same audiovisual information as at least a portion of the first audiovisual information;

generating a fifth plurality of packets, wherein the fifth plurality of packets comprise second error correction coding information for the second audiovisual information;

wherein said transmitting the plurality of packets to the mobile and stationary devices in a wireless manner further comprises transmitting the fourth plurality of packets and the fifth plurality of packets;

wherein the commands in the control information associate the second error correction coding information with at least a portion of the second audiovisual information.

18. The method of claim 17,

wherein the first error correction coding information comprises a first pattern of error correction coding information and the second error correction coding information comprises a second pattern of error correction coding information;

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

19. The method of claim 17,

wherein the first and second audiovisual information are one or more of:

1) separated in time;

or

     2) separated in frequency.

20. The method of claim 17,

wherein the first and second error correction coding information are one or more of:

1) separated in time;

or

     2) separated in frequency.

21. The method of claim 1,

wherein the first audiovisual information is not used by the mobile devices without the first error correction coding information and the control information associating the first error correction coding information with at the least a portion of the first audiovisual information.

22. A system for broadcasting audiovisual information to mobile and stationary devices in a wireless manner, the system comprising:

memory for storing first audiovisual information;

transmit logic coupled to the memory and configured to;

generate a first plurality of packets, wherein the first plurality of packets comprise the first audiovisual information, wherein the first plurality of packets is usable by the stationary devices;

generate a second plurality of packets, wherein the second plurality of packets comprise first error correction coding information for the first audiovisual information; and

generate control information, wherein the control information comprises commands for associating the first error correction coding information with at least a portion of the first audiovisual information; and

a transmitter coupled to the transmit logic for transmitting a plurality of packets to the mobile and stationary devices in a wireless manner, wherein the plurality of packets comprise the first plurality of packets, the second plurality of packets, and the control information;

wherein the control information informs the mobile devices of the association of the first error correction coding information with the at least a portion of the first audiovisual information, wherein the first error correction coding information is useable by the mobile devices;

wherein the second plurality of packets and the control information are not used by the stationary devices.

23. A system for generating packetized audiovisual information for broadcasting to a mobile and stationary devices in a wireless manner, the system comprising:

an input for receiving first audiovisual information;

transmit logic configured to;

generate a first plurality of packets, wherein the first plurality of packets comprise the first audiovisual information, wherein the first plurality of packets is usable by the stationary devices;

generate a second plurality of packets, wherein the second plurality of packets comprise first error correction coding information for the first audiovisual information; and

generate control information, wherein the control information comprises commands for associating the first error correction coding information with at least a portion of the first audiovisual information; and

wherein the plurality of packets are configured to be transmitted to the mobile and stationary devices in a wireless manner, wherein the plurality of packets comprise the first plurality of packets, the second plurality of packets, and the control information;

wherein the control information is configured to inform the mobile devices of the association of the first error correction coding information with the at least a portion of the first audiovisual information, wherein the first error correction coding information is useable by the mobile devices;

wherein the second plurality of packets and the control information are not used by the stationary devices.

24. The system of claim 23,

wherein the first error correction coding information comprises a first pattern of error correction coding information and a second pattern of error correction coding information.

25. The system of claim 24,

wherein the first pattern of error correction coding information and the second pattern of error correction coding information are configured to be transmitted at one or more of:

1) different times;

or

     2) different frequencies.

26. The system of claim 24,

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

27. The system of claim 23, wherein the transmit logic is further configured to:

generate a third plurality of packets, wherein the third plurality of packets comprise the control information;

wherein the plurality of packets transmitted to the mobile and stationary devices comprise the first plurality of packets, the second plurality of packets, and the third plurality of packets.

28. The system of claim 23, wherein the transmit logic is further configured to:

generate a fourth plurality of packets, wherein the fourth plurality of packets comprise second audiovisual information, wherein at least a portion of the second audiovisual information is the same audiovisual information as at least a portion of the first audiovisual information;

generate a fifth plurality of packets, wherein the fifth plurality of packets comprise second error correction coding information for the second audiovisual information;

wherein the fourth plurality of packets and the fifth plurality of packets are also configured to be transmitted to the mobile and stationary devices in a wireless manner;

wherein the commands in the control information associate the second error correction coding information with at least a portion of the second audiovisual information.

29. The system of claim 28,

wherein the first error correction coding information comprises a first pattern of error correction coding information and the second error correction coding information comprises a second pattern of error correction coding information;

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

30. The system of claim 23,

wherein the first audiovisual information is not used by the mobile devices without the first error correction coding information and the control information associating the first error correction coding information with at the least a portion of the first audiovisual information.

31. A computer readable non-transitory memory medium storing program instructions for generating packets for broadcasting of audiovisual information to a mobile and stationary devices in a wireless manner, wherein the program instructions are executable to:

generate a first plurality of packets, wherein the first plurality of packets comprise first audiovisual information, wherein the first plurality of packets is usable by the stationary devices;

generate a second plurality of packets, wherein the second plurality of packets comprise first error correction coding information for the first audiovisual information;

generate control information, wherein the control information comprises commands for associating the first error correction coding information with at least a portion of the first audiovisual information; and

wherein the plurality of packets are configured to be transmitted to the mobile and stationary devices in a wireless manner, wherein the plurality of packets comprise the first plurality of packets, the second plurality of packets, and the control information;

wherein the control information informs the mobile devices of the association of the first error correction coding information with the at least a portion of the first audiovisual information, wherein the first error correction coding information is useable by the mobile devices;

wherein the second plurality of packets and the control information are not used by the stationary devices.

32. A method for receiving and presenting audiovisual information at a mobile device, the method comprising:

receiving a plurality of packets in a wireless manner, wherein the plurality of packets comprise at least a first plurality of packets and a second plurality of packets;

wherein the first plurality of packets comprise first audiovisual information, wherein the first plurality of packets is usable by stationary devices;

wherein the second plurality of packets comprise first error correction coding information for the first audiovisual information;

wherein the plurality of packets also comprise control information, wherein the control information comprises commands for associating the first error correction coding information with at least a first portion of the first audiovisual information;

wherein the second plurality of packets and the control information are not used by stationary devices;

associating the first error correction coding information with the at least a portion of the first audiovisual information based on the control information;

processing the first audiovisual information to produce audiovisual information for presentation, wherein said processing the first audiovisual information includes processing the first error correction coding information associated with the at least a portion of the first audiovisual information;

presenting the audiovisual information for presentation on the mobile device.

33. The method of claim 32,

wherein the first plurality of packets comprising the first audiovisual information also comprise error correction coding information;

wherein the first error correction coding information in the second plurality of packets is supplemental to the error correction coding information in the first plurality of packets;

wherein said processing also includes processing the error correction coding information in the first plurality of packets.

34. The method of claim 33,

wherein the first error correction coding information was formed using a first error correction encoding method;

wherein the error correction coding information in the first plurality of packets was formed using a second error correction encoding method, wherein the second error correction encoding method is different than the first error correction encoding method.

35. The method of claim 32,

wherein the first error correction coding information comprises a first pattern of error correction coding information and a second pattern of error correction coding information.

36. The method of claim 35,

wherein the first pattern of error correction coding information and the second pattern of error correction coding information are received one or more of:

1) separated in time;

or

     2) separated in frequency.

37. The method of claim 35,

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

38. The method of claim 32,

wherein the control information is comprised in the second plurality of packets.

39. The method of claim 32,

wherein the plurality of packets further comprise a third plurality of packets;

wherein the control information is comprised in the third plurality of packets.

40. The method of claim 32, wherein the plurality of packets further comprises a fourth plurality of packets and a fifth plurality of packets, wherein the fourth plurality of packets comprise second audiovisual information, wherein at least a portion of the second audiovisual information is complementary to the first audiovisual information, wherein the fifth plurality of packets comprises second error correction coding information for the second audiovisual information, wherein the commands in the control information associate the second error correction coding information with the second audiovisual information, further comprising:

associating the second error correction coding information with the second audiovisual information based on the control information;

wherein said processing the first audiovisual information to produce audiovisual information for presentation further comprises processing the second audiovisual information to produce the audiovisual information for presentation, wherein processing the second audiovisual information includes processing the second error correction coding information associated with the second audiovisual information.

41. The method of claim 40,

wherein the first error correction coding information comprises a first pattern of error correction coding information and the second error correction coding information comprises a second pattern of error correction coding information;

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

42. The method of claim 40,

wherein the first and second audiovisual information are received by the mobile device one or more of:

1) separated in time;

or

     2) separated in frequency.

43. The method of claim 40,

wherein the first and second error correction coding information are received by the mobile device one or more of:

1) separated in time;

or

     2) separated in frequency.

44. The method of claim 40, wherein the commands in the control information further associate the second error correction coding information and the second audiovisual information with the first error correction coding information and the first audiovisual information, further comprising:

associating the second error correction coding information and the second audiovisual information with the first error correction coding information and the first audiovisual information based on the control information;

wherein, during processing, at least a portion of the second error correction coding information is used to process at least a portion of the first audiovisual information as a result of associating the second error correction coding information and the second audiovisual information with the first error correction coding information and the first audiovisual information.

45. The method of claim 40, wherein the commands in the control information further associate the second audiovisual information with the first audiovisual information, further comprising:

associating the second audiovisual information with the first audiovisual information based on the control information;

associating the second error correction information with the first audiovisual information based on the association of the second error correction information with the second audiovisual information;

wherein, during processing, at least a portion of the second error correction coding information is used to process at least a portion of the first audiovisual information as a result of associating the second error correction coding information with the first audiovisual information.

46. The method of claim 32, wherein the plurality of packets further comprises a fourth plurality of packets and a fifth plurality of packets, wherein the fourth plurality of packets comprise second audiovisual information, wherein at least a portion of the second audiovisual information is the same audiovisual information as at least a portion of the first audiovisual information, wherein the fifth plurality of packets comprises second error correction coding information for the second audiovisual information, wherein the commands in the control information associate the second error correction coding information with the second audiovisual information, further comprising:

associating the second error correction coding information with the second audiovisual information based on the control information;

wherein said processing the first audiovisual information to produce audiovisual information for presentation further comprises processing the second audiovisual information to produce the audiovisual information for presentation, wherein processing the second audiovisual information includes processing the second error correction coding information associated with the second audiovisual information.

47. The method of claim 46,

wherein the first error correction coding information comprises a first pattern of error correction coding information and the second error correction coding information comprises a second pattern of error correction coding information;

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

48. The method of claim 46,

wherein the first and second audiovisual information received by the mobile device are one or more of:

1) separated in time;

or

     2) separated in frequency.

49. The method of claim 46,

wherein the first and second error correction coding information received by the mobile device are one or more of:

1) separated in time;

or

     2) separated in frequency.

50. The method of claim 46, wherein the commands in the control information further associate the second error correction coding information and the second audiovisual information with the first error correction coding information and the first audiovisual information, further comprising:

associating the second error correction coding information and the second audiovisual information with the first error correction coding information and the first audiovisual information based on the control information;

wherein, during processing, at least a portion of the second error correction coding information is used to process at least a portion of the first audiovisual information as a result of associating the second error correction coding information and the second audiovisual information with the first error correction coding information and the first audiovisual information.

51. The method of claim 46, wherein the commands in the control information further associate the second audiovisual information with the first audiovisual information, further comprising:

associating the second audiovisual information with the first audiovisual information based on the control information;

associating the second error correction information with the first audiovisual information based on the association of the second error correction information with the second audiovisual information;

wherein, during processing, at least a portion of the second error correction coding information is used to process at least a portion of the first audiovisual information as a result of associating the second error correction coding information with the first audiovisual information.

52. The method of claim 32,

wherein the first audiovisual information is not used by the mobile devices without the first error correction coding information and the control information associating the first error correction coding information with at the least a portion of the first audiovisual information.

53. A mobile device for receiving and presenting audiovisual information, the mobile device comprising:

an antenna for receiving a plurality of packets at the mobile device in a wireless manner, the plurality of packets comprising at least a first plurality of packets and a second plurality of packets, wherein the first plurality of packets comprise first audiovisual information, wherein the first plurality of packets is usable by stationary devices, wherein the second plurality of packets comprise first error correction coding information for the first audiovisual information, wherein the plurality of packets also comprise control information, wherein the control information comprises commands for associating the first error correction coding information with at least a portion of the first audiovisual information, wherein the second plurality of packets and the control information are not used by stationary devices;

a display and one or more speakers; and

receiver logic coupled to the antenna, the display, and the one or more speakers, wherein the receiver logic is configured to;

associate the first error correction coding information with the at least a portion of the first audiovisual information based on the control information;

process the first audiovisual information to produce audiovisual information for presentation, wherein said processing the first audiovisual information includes processing the first error correction coding information associated with the at least a portion of the first audiovisual information;

present the audiovisual information for presentation on one or more of the display or the one or more speakers.

54. A system for receiving and processing audiovisual information, the system comprising:

an input for receiving a plurality of packets, wherein the plurality of packets were transmitted in a wireless manner, wherein the plurality of packets comprise at least a first plurality of packets and a second plurality of packets, wherein the first plurality of packets comprise first audiovisual information, wherein the first plurality of packets is usable by stationary devices, wherein the second plurality of packets comprise first error correction coding information for the first audiovisual information, wherein the plurality of packets also comprise control information, wherein the control information comprises commands for associating the first error correction coding information with at least a first portion of the first audiovisual information, wherein the second plurality of packets and the control information are not used by stationary devices;

receiver logic coupled to the input, wherein the receiver logic is configured to;

associate the first error correction coding information with the at least a portion of the first audiovisual information based on the control information; and

process the first audiovisual information, wherein said processing the first audiovisual information includes processing the first error correction coding information associated with the at least a portion of the first audiovisual information;

wherein the processed audiovisual information is configured to be presented on a display and one or more speakers.

55. The system of claim 54,

wherein the first error correction coding information comprises a first pattern of error correction coding information and a second pattern of error correction coding information.

56. The system of claim 55,

wherein the first pattern of error correction coding information and the second pattern of error correction coding information are received one or more of:

1) separated in time;

or

     2) separated in frequency.

57. The system of claim 55,

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

58. The system of claim 54,

wherein the control information is comprised in the second plurality of packets.

59. The system of claim 54,

wherein the plurality of packets further comprise a third plurality of packets;

wherein the control information is comprised in the third plurality of packets.

60. The system of claim 54, wherein the plurality of packets further comprises a fourth plurality of packets and a fifth plurality of packets, wherein the fourth plurality of packets comprise second audiovisual information, wherein at least a portion of the second audiovisual information is the same audiovisual information as at least a portion of the first audiovisual information, wherein the fifth plurality of packets comprises second error correction coding information for the second audiovisual information, wherein the commands in the control information associate the second error correction coding information with the second audiovisual information, wherein the receiver logic is further configured to:

associate the second error correction coding information with the second audiovisual information based on the control information;

process the second audiovisual information, wherein processing the second audiovisual information includes processing the second error correction coding information associated with the second audiovisual information.

61. The system of claim 60,

wherein the first error correction coding information comprises a first pattern of error correction coding information and the second error correction coding information comprises a second pattern of error correction coding information;

wherein the first pattern of error correction coding information is complementary to the second pattern of error correction coding information.

62. The system of claim 54,

wherein the first audiovisual information is not used by the mobile devices without the first error correction coding information and the control information associating the first error correction coding information with at the least a portion of the first audiovisual information.

63. A computer readable non-transitory memory medium storing program instructions for receiving and presenting audiovisual information at a mobile device, wherein the program instructions are executable to:

receive a plurality of packets at the mobile device in a wireless manner, the plurality of packets comprising at least a first plurality of packets and a second plurality of packets, wherein the first plurality of packets comprise first audiovisual information, wherein the first plurality of packets is usable by stationary devices, wherein the second plurality of packets comprise first error correction coding information for the first audiovisual information, wherein the plurality of packets also comprise control information, wherein the control information comprises commands for associating the first error correction coding information with at least a first portion of the first audiovisual information, wherein the second plurality of packets and the control information are not used by the stationary devices;

associate the first error correction coding information with the at least a portion of the first audiovisual information based on the control information;

process the first audiovisual information to produce audiovisual information for presentation, wherein said processing the first audiovisual information includes processing the first error correction coding information associated with the at least a portion of the first audiovisual information;

present the audiovisual information for presentation on one or more of a display or one or more speakers.