# US 2018/0358048 A1 · Information processing device, display device, information recording medium, information processing method, and program

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- Number: US 2018/0358048 A1
- Document ID: US20180358048A1
- Status: Published application
- Kind: A1
- Application number: 16/066,989
- Filed: 2017-02-06
- Published: 2018-12-13
- Earliest claimed: 2016-02-26
- Assignees: Sony Corporation
- Applicants: Sony Corporation
- Inventors: Kouichi UCHIMURA; Toshiya HAMADA
- Web page: https://patentgrep.com/patent/US20180358048A1

## CPC

- G11B 20/1217: {on discs}
- G11B 7/005: Reproducing (G11B7/0065 takes precedence)
- G11B 20/10: Digital recording or reproducing
- G11B 27/105: {of operating discs}
- G11B 27/329: {on a disc [VTOC]}
- H04N 5/76: Television signal recording
- H04N 5/85: on discs or drums
- H04N 5/91: Television signal processing therefor
- H04N 5/93: Regeneration of the television signal or of selected parts thereof
- H04N 7/0125: {one of the standards being a high definition standard}
- H04N 9/8205: {involving the multiplexing of an additional signal and the colour video signal}
- G11B 2020/1285: {Status of the record carrier, e.g. space bit maps, flags indicating a formatting status or a write permission}
- G11B 2220/2541: Blu-ray discs; Blue laser DVR discs
- G11B: INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER (recording measured values in a way that does not require playback through a transducer G01D9/00; recording or playback apparatus using mechanically marked tape, e.g. punched paper tape, or using unit records, e.g. punched or magnetically marked cards G06K; transferring data from one type of record carrier to another G06K1/18; circuits for coupling output of reproducer to radio receiver H04B1/20; gramophone pick-ups or like acoustic electromechanical transducers or circuits therefor H04R)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

According to the type of an image stored in an information recording medium and display function information of a display device, an displayable image is acquired from the recording medium and output to the display device. A data processing unit configured to reproduce data from an information recording medium inputs display function information for each of the HDR 1, HDR 2, and SDR images from a display device configured to display reproduction data, acquires HDR identification information indicating whether image data recorded in the information recording medium includes each of the HDR 1, HDR 2, and SDR images from a database file recorded in the information recording medium, and reads image data displayable on the display device from the information recording medium on the basis of results of comparison between the acquired display device function information and the HDR identification information, and outputs the same to the display device.

## Claims

### Claim 1

An information processing device comprising a data processing unit configured to reproduce data recorded in an information recording medium, wherein
the data processing unit inputs display device information including high dynamic range (HDR) image display function information from a display device configured to display reproduction data from the information recording medium,
the data processing unit acquires HDR identification information indicating whether image data recorded in the information recording medium includes an HDR image from a database file recorded in the information recording medium, and
the data processing unit reads image data displayable on the display device from the information recording medium on the basis of results of comparison between the display device information and the HDR identification information, and outputs the image data to the display device.

### Claim 2 (depends on 1)

The information processing device according to claim 1, wherein
the display device information includes information regarding whether the display device has a function of displaying each of an HDR1 image, an HDR2 image, and a standard dynamic range (SDR) image different in image type,
the HDR identification information includes information indicating which type of image data among the HDR1 image, the HDR2 image, and the SDR image is recorded in the information recording medium, and
the data processing unit outputs the HDR image or the SDR image displayable on the display device, on the basis of results of comparison between the display device information and the HDR identification information.

### Claim 3 (depends on 2)

The information processing device according to claim 2, wherein
the HDR2 image is image data that is displayable as a pseudo SDR image on a display device where only the SDR image is displayable, and
in a case where it is ascertained on the basis of the display device information that the display device is capable of displaying only the SDR image and it is ascertained on the basis of the HDR identification information that the image recorded in the information recording medium is the SDR image or the HDR2 image, the data processing unit outputs the SDR image or the HDR2 image recorded in the information recording medium to the display device.

### Claim 4 (depends on 2)

The information processing device according to claim 2, wherein
the HDR1 image is an image data that is incapable of being normally displayed on a display device where only the SDR image is displayable, and
in a case where it is ascertained on the basis of the display device information that the display device is capable of displaying only the SDR image and it is ascertained on the basis of the HDR identification information that the image recorded in the information recording medium is the HDR1 image, the data processing unit converts the HDR1 image read from the information recording medium into the SDR image and outputs the image to the display device.

### Claim 5 (depends on 1)

The information processing device according to claim 1, wherein the database file is an index file, a playlist file, or a clip information file prescribed in a Blu-ray (registered trademark) disc format.

### Claim 6 (depends on 1)

The information processing device according to claim 1, wherein
the data processing unit is configured to transmit reproduction data information to be applied to a display process of the image data recorded in the information recording medium to the display device, and
the reproduction data information includes signal transfer function identification information to be applied to the display process of the image data.

### Claim 7

An information processing device comprising a data processing unit configured to record data into an information recording medium, wherein
the data processing unit generates a database file that stores HDR identification information indicating which of HDR images different in image type, among a high dynamic range (HDR) 1 image, an HDR 2 image, and a standard dynamic range (SDR) image is included as the image data recorded in the information recording medium, and records the database file in the information recording medium.

### Claim 8 (depends on 7)

The information processing device according to claim 7, wherein the database file is an index file, a playlist file, or a clip information file prescribed in a Blu-ray (registered trademark) disc format.

### Claim 9 (depends on 8)

The information processing device according to claim 8, wherein
the data processing unit records into the index file, HDR identification information regarding entire data recorded in the information recording medium,
the data processing unit records into the playlist file, HDR identification information by reproduction target data in accordance with the playlist file, and
the data processing unit records into the clip information file, HDR identification information by reproduction data associated with the clip information file.

### Claim 10

An information recording medium comprising as record data:
a reproduction data file storing image data; and
a database file that stores HDR identification information indicating which of HDR images different in image type, among a high dynamic range (HDR) 1 image, an HDR 2 image, and a standard dynamic range (SDR) image is included as the image data stored in the reproduction data file, wherein
a reproduction device is allowed to refer to the HDR identification information to select and reproduce the image data of the type suited to a display function of a display device configured to display reproduction data.

### Claim 11 (depends on 10)

The information recording medium according to claim 10, wherein the database file is an index file, a playlist file, or a clip information file prescribed in a Blu-ray (registered trademark) disc format.

### Claim 12 (depends on 11)

The information recording medium according to claim 11 wherein
the index file stores HDR identification information regarding entire data recorded in the information recording medium,
the playlist file stores HDR identification information by reproduction target data in accordance with the playlist file, and
the clip information file stores HDR identification information by reproduction data associated with the clip information file.

### Claim 13

A display device comprising:
a communication unit configured to transmit and receive data to and from a reproduction device configured to reproduce data recorded in an information recording medium; and
a data processing unit, wherein
the data processing unit generates display device information including high dynamic range (HDR) image display function information, and outputs the display device information to the reproduction device.

### Claim 14 (depends on 13)

The display device according to claim 13, wherein the display device information includes information regarding whether the display device has a function of displaying each of an HDR1 image, an HDR2 image, and a standard dynamic range (SDR) image different in image type.

### Claim 15

An information processing method executed in an information processing device, wherein
the information processing device includes a data processing unit configured to reproduce data recorded in an information recording medium,
the data processing unit inputs display device information including high dynamic range (HDR) image display function information from a display device configured to display reproduction data from the information recording medium,
the data processing unit acquires HDR identification information indicating whether image data recorded in the information recording medium includes an HDR image from a database file recorded in the information recording medium, and
the data processing unit reads image data displayable on the display device from the information recording medium on the basis of results of comparison between the display device information and the HDR identification information, and outputs the image data to the display device.

### Claim 16

An information processing method executed in an information processing device, wherein
the information processing device includes a data processing unit configured to record data into an information recording medium, and
the data processing unit generates a database file that stores HDR identification information indicating which of HDR images different in image type, among a high dynamic range (HDR) 1 image, an HDR 2 image, and a standard dynamic range (SDR) image is included as the image data recorded in the information recording medium, and records the database file in the information recording medium.

### Claim 17

An information processing method executed in a display device, wherein
the display device includes:
a communication unit configured to transmit and receive data to and from a reproduction device configured to reproduce data recorded in an information recording medium; and
a data processing unit, and
the data processing unit generates display device information including high dynamic range (HDR) image display function information, and outputs the display device information to the reproduction device.

### Claim 18

A program for causing an information processing device to perform information processing, wherein
the information processing device includes a data processing unit configured to reproduce data recorded in an information recording medium, and
the program causes the data processing unit to perform:
inputting display device information including high dynamic range (HDR) image display function information from a display device configured to display reproduction data from the information recording medium;
acquiring HDR identification information indicating whether image data recorded in the information recording medium includes an HDR image from a database file recorded in the information recording medium; and
reading image data displayable on the display device from the information recording medium on the basis of results of comparison between the display device information and the HDR identification information, and outputting the image data to the display device.

### Claim 19

A program for causing an information processing device to perform information processing, wherein
the information processing device includes a data processing unit configured to record data into an information recording medium, and
the program causes the data processing unit to generate a database file that stores HDR identification information indicating which of HDR images different in image type, among a high dynamic range (HDR) 1 image, an HDR 2 image, and a standard dynamic range (SDR) image is included as the image data recorded in the information recording medium, and record the database file in the information recording medium.

### Claim 20

A program for causing a display device to perform information processing, wherein
the display device includes:
a communication unit configured to transmit and receive data to and from a reproduction device configured to reproduce data recorded in an information recording medium; and
a data processing unit, and
the program causes the data processing unit to generate display device information including high dynamic range (HDR) image display function information, and output the display device information to the reproduction device.
