AV SERVER SYSTEM AND AV SERVER

• US 20180192100A1
• Filed: 09/07/2016
• Published: 07/05/2018
• Est. Priority Date: 09/10/2015
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Granted Patent: US 10,887,636 B2
• Time in Patent Office: Days
• CPC Class Codes: H04L 65/70 Media network packetisation
• CPC Class Codes: H04L 65/75 Media network packet handling
• CPC Class Codes: H04N 21/231 Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
• 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 21/25 Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies maintenance or administration in data networks H04L41/00
• CPC Class Codes: H04N 21/64322 IP

Abstract

To increase the number of IO ports and to increase the storage amount easily. An AV server system includes: a plurality of AV servers including internet protocol (IP) input-output ports for connecting to other AV servers, the IP input-output ports being independent from input-output ports to an outside of the system; a client controller configured to control the plurality of AV servers; a manager storing information relevant to AV clip data recorded in the plurality of AV servers and AV clip data input into the plurality of AV servers; and a frame synchronization unit configured to perform frame synchronization between the plurality of AV servers.

Claims

1. An AV server system comprising:

a plurality of AV servers including internet protocol (IP) input-output ports for connecting to other AV servers, the IP input-output ports being independent from input-output ports to an outside of the system;

a client controller configured to control the plurality of AV servers;

a manager storing information relevant to AV clip data recorded in the plurality of AV servers and AV clip data input into the plurality of AV servers; and

a frame synchronization unit configured to perform frame synchronization between the plurality of AV servers.

2. The AV server system according to claim 1, wherein

the AV server outputs compressed AV clip data of a predetermined number of frames at a predetermined number of frame cycles from the IP input-output port.

3. The AV server system according to claim 1, wherein

the AV server outputs compressed AV clip data of one frame at one frame cycle from the IP input-output port.

4. The AV server system according to claim 1, wherein

the AV server processes compressed AV clip data input into the IP input-output port at a predetermined number of frame cycles, as compressed AV clip data of a predetermined number of frames.

5. The AV server system according to claim 1, wherein

the AV server processes compressed AV clip data input into the IP input-output port at one frame cycle, as compressed AV clip data of one frame.

6. The AV server system according to claim 1, wherein

the AV server processes compressed AV clip data input into the IP input-output port during a period of one frame or less from a frame start time, as compressed AV clip data of one frame.

7. The AV server system according to claim 6, wherein

the AV server reproduces deficient compressed AV clip data from the input compressed AV clip data by forward error correction.

8. The AV server system according to claim 1, wherein

the AV server outputs compressed AV clip data corresponding to normal video data or compressed AV clip data corresponding to raw data obtained by a single-chip camera, to the IP input-output port.

9. The AV server system according to claim 8, wherein

metadata for a demosaic process is appended to the compressed AV clip data corresponding to the raw data.

10. The AV server system according to claim 1, wherein

the AV server includes a decoding unit configured to perform a decoding process to compressed AV clip data input into the IP input-output port to obtain uncompressed AV clip data, and

a delay time in the decoding unit is constant, regardless of a compressed data format of the input compressed AV clip data.

11. The AV server system according to claim 1, wherein

the AV server is capable of arbitrarily changing a number of input ports and a number of output ports, among a total number of the IP input-output ports.

19. The AV server system according to claim 1, wherein

the AV server includes a first record unit configured to record, in a storage, first AV clip data obtained by performing a compression encoding process to raw data of a high frame rate input from a single-chip camera, with metadata for performing a demosaic process appended.

20. The AV server system according to claim 19, wherein

the AV server further includes a second record unit configured to record, in the storage, second AV clip data obtained by converting the raw data of the high frame rate input from the single-chip camera to raw data of a normal frame rate and then performing the demosaic process to obtain normal video data of a normal frame rate, and performing a compression encoding process to the normal video data.

12. An AV server comprising:

an internet protocol (IP) input-output port for connecting to another AV server.

13. The AV server according to claim 12, wherein

the AV server outputs compressed AV clip data of a predetermined number of frames at a predetermined number of frame cycles from the IP input-output port.

14. The AV server according to claim 12, wherein

the AV server processes compressed AV clip data input into the IP input-output port at a predetermined number of frame cycles, as compressed AV clip data of a predetermined number of frames.

15. The AV server according to claim 12, wherein

the AV server outputs compressed AV clip data corresponding to normal video data or compressed AV clip data corresponding to raw data obtained by a single-chip camera, to the IP input-output port.

16. The AV server according to claim 12, comprising:

a decoding unit configured to perform a decoding process to compressed AV clip data input into the IP input-output port to obtain uncompressed AV clip data,

wherein a delay time in the decoding unit is constant, regardless of a compressed data format of the input compressed AV clip data.

17. The AV server according to claim 12, wherein

the AV server is capable of arbitrarily changing a number of input ports and a number of output ports, among a total number of the IP input-output ports.

18. An AV server system comprising:

a plurality of AV servers including internet protocol (IP) input-output ports for connecting to other AV servers, the IP input-output ports being independent from input-output ports to an outside of the system;

a client controller configured to control the plurality of AV servers; and

a manager storing information relevant to AV clip data recorded in the plurality of AV servers and AV clip data input into the plurality of AV servers,

wherein the AV server outputs compressed AV clip data of a predetermined number of frames at a predetermined number of frame cycles from the IP input-output port.