Data transmitting apparatus, data receiving apparatus, data transceiving system, data transmitting method, and data receiving method

• US 9,313,576 B2
• Filed: 02/15/2013
• Issued: 04/12/2016
• Est. Priority Date: 02/15/2012
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Jong-hwa, Kim, Soo-young, Na, Il-ju, Lee, Kyeong-jae, Yun, Suk-jin, Lee, Jae-min
• Primary Examiner(s): Bernardi, Brenda
• Application Number:
  US13/768,530
• Publication Number:
  US 20130223632A1
• Time in Patent Office: 1,152 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: G09G 2370/04 Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
• CPC Class Codes: G09G 2370/12 Use of DVI or HDMI protocol in interfaces along the display data pipeline
• CPC Class Codes: G09G 5/006 Details of the interface to the display terminal specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04
• CPC Class Codes: H04N 21/43635 HDMI
• CPC Class Codes: H04N 21/439 Processing of audio elementary streams
• CPC Class Codes: H04R 5/00 Stereophonic arrangements stereophonic pick-ups H04R9/16, H04R11/12, H04R17/08, H04R19/10

Abstract

A data transmitting apparatus is disclosed. The data transmitting apparatus includes a block generator which generates an Extended Display Identification Data (EDID) block regarding multi-channel audio data; and a transmitter which transmits the EDID block to a data receiving apparatus, wherein the EDID block includes at least one of a first sub block representing 3D audio characteristics of the multi-channel audio data, a second sub block representing 3D speaker placement information of the multi-channel audio data, and a third sub block representing multi-stream audio characteristics of the multi-channel audio data.

Claims

1. A data transmitting apparatus comprising:

a generator which generates display identification information including feature information, which is supported by a sink device, regarding audio data; and

a transmitter which transmits the display identification information to a data receiving apparatus,

wherein the display identification information comprises at least one of a first sub block representing three-dimensional (3D) audio characteristics of the audio data, and a second sub block representing a configuration of a 3D speaker, and

wherein the second sub block comprises an HDMI 3D speaker allocation descriptor field indicating the configuration of the 3D speaker.

2. The data transmitting apparatus of claim 1, wherein the first sub block comprises at least one of a field representing information about a number of 3D audio descriptors and a 3D audio descriptor field representing information about 3D audio data which is supported by the data transmitting apparatus.

3. The data transmitting apparatus of claim 2, wherein the 3D audio descriptor field comprises at least one of a first sub field representing format information of the audio data, a second sub field representing a number of channels of the audio data, and a third sub field representing sampling frequency information of the audio data,

wherein the second sub block comprises an HDMI 3D speaker allocation descriptor field indicating the configuration of the 3D speaker.

4. The data transmitting apparatus of claim 1, wherein the HDMI 3D speaker allocation descriptor field comprises at least one of a fourth sub field representing information about a channel allocation standard type of the audio data, and a fifth sub field representing information about speaker placement and arrangement of the audio data.

5. The data transmitting apparatus of claim 4, wherein the channel allocation standard type is a channel allocation standard type regarding at least one of 10.2 channels, 22.2 channels, 30.2 channels, multiple channels comprising more than 30.2 channels, and multiple channels comprising less than 10.2 channels.

17. The data transmitting apparatus of claim 1, wherein the display identification information further comprises a third sub block representing multi-stream audio characteristics of the audio data.

18. The data transmitting apparatus of claim 17, wherein the third sub block comprises at least one of a field representing a number of streams of multi-stream audio which is supported by the data transmitting apparatus, and a shortened audio descriptor field representing characteristics of audio corresponding to individual streams of the multi-stream audio.

20. The data receiving apparatus of claim 18, wherein the third sub block comprises at least one of a field representing a number of streams of multi-stream audio which is supported by the data transmitting apparatus, and a shortened audio descriptor field representing characteristics of audio corresponding to the individual streams of the multi-stream audio.

21. The data transmitting apparatus of claim 1, wherein the display identification information comprises at least one of EDID (Extended Display Identification Information) and E-EDID (Enhanced Extended Display Identification Data).

23. The data transmitting apparatus of claim 1, wherein the display identification information comprises a HDMI (High Definition Multimedia Interface) Audio Data Block.

24. The data transmitting apparatus of claim 1, wherein the data transmitting apparatus supports multi-stream audio transmission, and the display identification information comprises at least one CEA short audio descriptor.

25. The data transmitting apparatus of claim 2, wherein the 3D audio descriptor field indicates a support for audio encoding that is defined in CEA-861-F.

29. The data transmitting apparatus of claim 1, wherein the audio data comprises multi-channel audio data.

31. The data transmitting apparatus of claim 1, wherein the transmission of the packet complies with a wire Interface standards.

33. The data transmitting apparatus of claim 31, wherein the wire Interface standards comprises at least one of High Definition Multimedia Interface (HDMI) standards and Mobile High-Definition Link (MHL) standards.

6. A data receiving apparatus comprising:

a receiver which receives display identification information including feature information which is supported by a sink device regarding audio data from a data transmitting apparatus; and

an analyzer which analyzes the display identification information,

wherein the display identification information comprises at least one of a first sub block representing three-dimensional (3D) audio characteristics of the audio data, and a second sub block representing a configuration of a 3D speaker, and

wherein the second sub block comprises an HDMI 3D speaker allocation descriptor field indicating the configuration of the 3D speaker.

7. The data receiving apparatus of claim 6, wherein the first sub block comprises at least one of a field representing information about a number of 3D audio descriptors and a 3D audio descriptor field representing information about 3D audio data which is supported by the data transmitting apparatus.

8. The data receiving apparatus of claim 7, wherein the 3D audio descriptor field comprises at least one of a first sub field representing format information of the audio data, a second sub field representing a number of channels of the audio data, and a third sub field representing sampling frequency information of the audio data.

9. The data receiving apparatus of claim 6, wherein the 3D speaker placement descriptor field comprises at least one of a fourth sub field representing information about a channel allocation standard type of the audio data, and a fifth sub field representing information about speaker placement and arrangement of the audio data.

10. The data receiving apparatus of claim 9, wherein the channel allocation standard type is a channel allocation standard type regarding at least one of 10.2 channels, 22.2 channels, 30.2 channels, multiple channels comprising more than 30.2 channels, and multiple channels comprising less than 10.2 channels.

19. The data receiving apparatus of claim 6, wherein the display identification information further comprises a third sub block representing multi-stream audio characteristics of the audio data.

22. The data receiving apparatus of claim 6, wherein the display identification information comprises at least one of EDID (Extended Display Identification Data) and E-EDID (Enhanced Extended Display Identification Data).

26. The data receiving apparatus of claim 6, wherein the display identification information comprises a HDMI (High Definition Multimedia Interface) Audio Data Block.

27. The data receiving apparatus of claim 6, wherein the data transmitting apparatus supports multi-stream audio transmission, and the display identification information comprises at least one CEA short audio descriptor.

28. The data receiving apparatus of claim 7, wherein the 3D audio descriptor field indicates a support for audio encoding that is defined in CEA-861-F.

30. The data receiving apparatus of claim 6, wherein the audio data comprises multi-channel audio data.

32. The data receiving apparatus of claim 6, wherein the reception of the packet complies with a wire Interface standards.

34. The data receiving apparatus of claim 32, wherein the wire Interface standards comprises at least one of High Definition Multimedia Interface (HDMI) standards and Mobile High-Definition Link (MHL) standards.

11. A data transceiving system comprising:

a data transmitting apparatus which generates display identification information including feature information which is supported by a sink device regarding audio data, and transmits the display identification information to a data receiving apparatus; and

a data receiving apparatus which receives and analyzes the display identification information,

wherein the display identification information comprises at least one of a first sub block representing three-dimensional (3D) audio characteristics of the audio data, and a second sub block representing a configuration of a 3D speaker, and

wherein the second sub block comprises an HDMI 3D speaker allocation descriptor field indicating the configuration of the 3D speaker.

12. A data transmitting method comprising:

generating display identification information including feature information which is supported by a sink device regarding audio data; and

transmitting the display identification information to a data receiving apparatus,

wherein the display identification information comprises at least one of a first sub block representing three-dimensional (3D) audio characteristics of the audio data, and a second sub block representing a configuration of a 3D speaker, and

wherein the second sub block comprises an HDMI 3D speaker allocation descriptor field indicating the configuration of the 3D speaker.

13. The data transmitting method of claim 12, wherein the first sub block comprises at least one of a field representing information about a number of 3D audio descriptors and a 3D audio descriptor field representing information about 3D audio data which is supported by a data transmitting apparatus.

14. The data transmitting method of claim 13, wherein the 3D audio descriptor field comprises at least one of a first sub field representing format information of the audio data, a second sub field representing a number of channels of the audio data, and a third sub field representing sampling frequency information of the audio data.

15. A data receiving method comprising:

receiving display identification information including feature information which is supported by a sink device regarding audio data from a data transmitting apparatus; and

analyzing the display identification information,

wherein the display identification information comprises at least one of a first sub block representing three-dimensional (3D) audio characteristics of the audio data, and a second sub block representing a configuration of a 3D speaker, and

wherein the second sub block comprises an HDMI 3D speaker allocation descriptor field indicating the configuration of the 3D speaker.

16. The data receiving method of claim 15, wherein the first sub block comprises at least one of a field representing information about a number of 3D audio descriptors and a 3D audio descriptor field representing information about 3D audio data which is supported by the data transmitting apparatus.