Adaptive language descriptors

• US 8,265,137 B2
• Filed: 07/31/2008
• Issued: 09/11/2012
• Est. Priority Date: 07/31/2008
• Status: Active Grant

• Current Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Zimmerman, Jeffrey Walter, Griner, Bradley C., Randolph, Donald L.
• Primary Examiner(s): Duong, Frank
• Application Number:
  US12/184,041
• Publication Number:
  US 20100027613A1
• Time in Patent Office: 1,503 Days
• Field of Search: 37524001-24026, 386/241, 386/278, 386/283, 386/285
• US Class Current: 375/240.01
• CPC Class Codes: H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
• CPC Class Codes: H04N 21/2355 involving reformatting operations of additional data, e.g. HTML pages optimising the visualization of content for information retrieval from the Internet G06F16/9577; tracking of instant messages H04L51/234; media packet handling at the source H04L65/762
• CPC Class Codes: H04N 21/23614 Multiplexing of additional data and video streams arrangements for simultaneous broadcast of plural pieces of information H04H20/28
• CPC Class Codes: H04N 21/4348 Demultiplexing of additional data and video streams
• CPC Class Codes: H04N 21/6125 involving transmission via Internet transmission by internet of broadcast information H04H60/82
• CPC Class Codes: H04N 21/64322 IP
• CPC Class Codes: H04N 21/6437 Real-time Transport Protocol [RTP]
• CPC Class Codes: H04N 21/8133 specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program

Abstract

A disclosed methodology for processing language descriptors includes receiving streaming multimedia content that includes initial language descriptors. Portions of the multimedia content stream are encapsulated into packets that include an indication of the initial language descriptors. Later in time, further language descriptors are received with the streaming multimedia content. As a series of packets created from the multimedia content stream are processed, the indication of received language descriptor is adapted to account for any change in the language of audio tracks received with the streaming multimedia content.

Claims

1. A method of encapsulating streaming multimedia content, the method comprising:

receiving the streaming multimedia content, wherein the streaming multimedia content includes an initial language descriptor;

encapsulating, by an encoder, a portion of the streaming multimedia content into a packet, wherein the packet includes an indication of the initial language descriptor; and

subsequently receiving, by the encoder, a further language descriptor and, in response thereto, including an indication of the further language descriptor in a subsequent packet.

2. The method of claim 1, wherein the streaming multimedia content is received as an analog stream, wherein the method further comprises:

processing the analog stream to generate a digital bit stream.

3. The method of claim 1, wherein the method further comprises:

compressing the streaming multimedia content.

4. The method of claim 1, wherein the packet includes a header, wherein the header includes the indication of the language descriptor.

5. The method of claim 4, wherein the header further includes a program identifier.

6. The method of claim 4, wherein the packet further includes a payload, wherein the payload includes a plurality of MPEG transport stream packets.

7. The method of claim 1, wherein the encapsulating occurs at least partially at a real-time transport protocol layer.

8. The method of claim 7, wherein the encapsulating occurs at least partially at a user datagram protocol layer.

9. A non-transitory computer readable medium storing program instructions, executable by a processor, for encapsulating streaming multimedia content into a plurality of packets, the program instructions, when executed by the processor, performing a method comprising:

identifying an initial language descriptor received with the streaming multimedia content;

providing an indication of the initial language descriptor in a packet, wherein the packet encapsulates a portion of the streaming multimedia content;

monitoring the streaming multimedia content for a change from the initial language descriptor; and

upon detecting a change from the initial language descriptor to a further language descriptor, providing an indication of the further language descriptor in a subsequent packet, wherein the subsequent packet encapsulates a chronologically subsequent portion of the streaming multimedia content.

10. The computer readable medium of claim 9, wherein the streaming multimedia content is received as an analog stream, wherein the method includes:

digitizing the analog stream into a digital bit stream.

11. The computer readable medium of claim 9, wherein the method includes:

compressing the streaming multimedia content.

12. The computer readable medium of claim 9, wherein the packet includes a header, wherein the header includes the indication of the language descriptor.

13. The computer readable medium of claim 9, wherein the header further includes a program identifier.

14. The computer readable medium of claim 12, wherein the packet further includes a payload, wherein the payload includes a plurality of MPEG transport stream packets.

15. The computer readable medium of claim 9, wherein encapsulating the streaming multimedia content into a plurality of packets occurs at least partially at a real-time transport protocol layer.

16. The computer readable medium of claim 15, wherein a further portion of encapsulating the streaming multimedia content into a plurality of packets occurs at least partially at a user datagram protocol layer.

17. An encoder for providing digital television content that includes indications of received language descriptor values, the encoder comprising:

an input for receiving a multimedia content stream that includes an initial language descriptor value indicative of a language associated with an audio component of an initial portion of the multimedia content stream; and

a processor for encapsulating streaming multimedia content into a series of packets, wherein individual packets of a first portion of the series of packets include a packet header with an indication of the initial language descriptor value, wherein the processor is further for adapting further packet headers associated with a subsequent portion of the series of packets to include a further indication of a further language descriptor.

18. The encoder of claim 17, wherein the multimedia content stream is received as an analog stream, wherein the processor is further enabled for digitizing the analog stream.

19. The encoder of claim 18, wherein the processor is further enabled for compressing the multimedia content bit stream.

20. The encoder of claim 17, wherein individual packets of the first portion of the series of packets include a plurality of MPEG transport stream packets.