Data transmission across independent streams
Various systems and methods are provided for transmission of related data components across independent streams. In one embodiment, among others, a transmitting device may separate transmission data into related data components and transmit each related data component in an associated transport stream. Each related data component includes a synchronization tag associated with synchronization of the related data component within the transmission data. In another embodiment, a receiving device may receive related data components transmitted in separate transport streams and decode the related data components based at least in part upon a synchronization tag included in each related data component. In another embodiment, among others, a method for includes receiving data components transmitted on a plurality of transport streams, separating related data components from unrelated data components in the transport streams based at least in part upon a synchronization tag of each related data component; and decoding the related data components.
1. A transmitting device, comprising:
circuitry configured to:
separate transmission data into related data components, each related data component associated with one of a plurality of transport streams, each of the related data components related to a first set of frame identifiers;
merge the related data components with unrelated data components before transmitting in the associated transport stream, the unrelated data components related to a second set of frame identifiers different than the first set of frame identifiers; and
transmit each related data component in the associated transport stream, each related data component including a synchronization tag associated with synchronization of the related data components within the transmission data.
2. The transmitting device of claim 1 , the circuitry further configured to include the synchronizing tag in the related data component.
3. The transmitting device of claim 1 , wherein the transmission data comprises video content.
4. The transmitting device of claim 3 , wherein the video content is separated into a base layer component and at least one enhanced layer component, wherein the base layer component and the at least one enhanced layer component are transmitted in different transport streams.
5. The transmitting device of claim 4 , wherein a plurality of enhanced layer components of the video content are transmitted in the same transport stream.
6. The transmitting device of claim 1 , the circuitry further configured to modulate the related data components at a modulation rate for transmission in the associated transport stream, the circuitry comprising a modulation buffer, wherein the modulation rate is adjusted based at least in part upon a condition of the modulation buffer.
7. The transmitting device of claim 1 , wherein the synchronization tag comprises a time stamp.
8. The transmitting device of claim 1 , wherein the synchronization tag comprises a frame identifier.
9. A receiving device, comprising:
circuitry configured to:
receive a plurality of related data components transmitted in separate transport streams, each related data component including a synchronization tag associated with synchronization of the related data components received in the separate transport streams, each of the related data components related to a first set of frame identifiers, the transport streams further including a plurality of unrelated data components merged with the related data components within the transport streams, the unrelated data components related to a second set of frame identifiers different than the first set of frame identifiers; and
decode the plurality of related data components based at least in part upon the synchronization tag.
10. The receiving device of claim 9 , the circuitry further configured to separate related data components from unrelated data components in the same transport stream based at least in part upon the synchronization tags of the related data components.
11. The receiving device of claim 9 , further comprising a wideband tuner configured to separate related data components from unrelated data components in each of a plurality of separate transport streams based at least in part upon the synchronization tag of the related data components.
12. The receiving device of claim 11 , wherein the wideband tuner is configured to identify related data components based at least in part upon information in the synchronization tag.
13. The receiving device of claim 9 , wherein the synchronization tag comprises a frame identifier.
14. The receiving device of claim 9 , wherein the synchronization tag comprises a time stamp.
15. The receiving device of claim 9 , wherein the plurality of related data components comprise a base layer component transmitted in a first transport stream and an enhanced layer component transmitted in a second transport stream.
16. The receiving device of claim 15 , wherein the base layer component and the enhanced layer component are scalable video coding (SVC) layer components.