Virtual reality viewing system, reproduction synchronizing method, and virtual reality viewing program

A virtual reality viewing system in which a plurality of head mounted displays reproduces a moving image by means of respective built-in computers thereof while one external computer controls reproduction of sub-contents, the system comprising:

• a reference reproduction elapsed time management unit that conducts a master management of a reference reproduction elapsed time relating to the reproduction of the moving image by means of each of the built-in computers of the plurality of head mounted displays so as to be synchronized with the reproduction of the sub-contents by means of the one external computer,
• a difference time detection unit that detects a difference between a reproduction elapsed time of the moving image reproduced by the built-in computer of the head mounted display and the reference reproduction elapsed time undergoing the master management by the reference reproduction elapsed time management unit, and
• a moving image reproduction adjustment unit that adjusts the reproduction of the moving image by means of the built-in computer of the head mounted display so as to eliminate the difference detected by the difference time detection unit,
• wherein the one external computer includes the reference reproduction elapsed time management unit,
• wherein the reference reproduction elapsed time management unit of the external computer instructs the built-in computer of the head mounted display to start reproducing the moving image, and at the same time starts the master management of the reference reproduction elapsed time,
• wherein the built-in computer of the head mounted display starts reproducing the moving image in response to the instruction,
• wherein the difference time detection unit sequentially detects the difference after the start of reproducing the moving image, and
• wherein when the difference is detected by the difference time detection unit, the moving image reproduction adjustment unit adjusts the reproduction of the moving image by the built-in computer so as to eliminate the detected difference.

A virtual reality viewing system in which a plurality of head mounted displays reproduces a moving image by means of respective built-in computers thereof while one external computer controls reproduction of sub-contents, the system comprising:

• a reference reproduction elapsed time management unit that conducts a master management of a reference reproduction elapsed time relating to the reproduction of the moving image by means of each of the built-in computers of the plurality of head mounted displays so as to be synchronized with the reproduction of the sub-contents by means of the one external computer,
• a difference time detection unit that detects a difference between a reproduction elapsed time of the moving image reproduced by the built-in computer of the head mounted display and the reference reproduction elapsed time undergoing the master management by the reference reproduction elapsed time management unit, and
• a moving image reproduction adjustment unit that adjusts the reproduction of the moving image by means of the built-in computer of the head mounted display so as to eliminate the difference detected by the difference time detection unit,
• wherein the one external computer includes the reference reproduction elapsed time management unit,
• wherein the reference reproduction elapsed time management unit of the external computer instructs the built-in computers of a plurality of the head mounted displays to start reproducing the moving image, and at the same time starts the master management of the reference reproduction elapsed time,
• wherein the built-in computers of the plurality of the head mounted displays start reproducing the moving image in response to the instruction,
• wherein the difference time detection unit sequentially detects the difference for each of the plurality of the head mounted displays after the start of reproducing the moving image, and
• wherein when the difference is detected in any of the head mounted displays by the difference time detection unit, the moving image reproduction adjustment unit adjusts the reproduction of the moving image by the built-in computer in the head mounted display in which the difference is detected, so as to eliminate the detected difference.

A virtual reality viewing system in which a plurality of head mounted displays reproduces a moving image by means of respective built-in computers thereof while one external computer controls reproduction of sub-contents, the system comprising:

• a reference reproduction elapsed time management unit that conducts a master management of a reference reproduction elapsed time relating to the reproduction of the moving image by means of each of the built-in computers of the plurality of head mounted displays so as to be synchronized with the reproduction of the sub-contents by means of the one external computer,
• a difference time detection unit that detects a difference between a reproduction elapsed time of the moving image reproduced by the built-in computer of the head mounted display and the reference reproduction elapsed time undergoing the master management by the reference reproduction elapsed time management unit, and
• a moving image reproduction adjustment unit that adjusts the reproduction of the moving image by means of the built-in computer of the head mounted display so as to eliminate the difference detected by the difference time detection unit,
• wherein the one external computer includes the reference reproduction elapsed time management unit,
• wherein the built-in computer of the head mounted display is able to start reproducing the moving image, asynchronously with the reference reproduction elapsed time undergoing the master management by the reference reproduction elapsed time management unit of the external computer,
• wherein when the reproduction of the moving image is started asynchronously with the reference reproduction elapsed time, the difference time detection unit detects the difference at a timing when the reproduction of the moving image is started, and
• wherein the moving image reproduction adjustment unit adjusts the reproduction of the moving image in the built-in computer in which the reproduction of the moving image is started asynchronously with the reference reproduction elapsed time, so as to eliminate the difference detected by the difference time detection unit.

A virtual reality viewing system in which a plurality of head mounted displays reproduces a moving image by means of respective built-in computers thereof while one external computer controls reproduction of sub-contents, the system comprising:

• a reference reproduction elapsed time management unit that conducts a master management of a reference reproduction elapsed time relating to the reproduction of the moving image by means of each of the built-in computers of the plurality of head mounted displays so as to be synchronized with the reproduction of the sub-contents by means of the one external computer,
• a difference time detection unit that detects a difference between a reproduction elapsed time of the moving image reproduced by the built-in computer of the head mounted display and the reference reproduction elapsed time undergoing the master management by the reference reproduction elapsed time management unit, and
• a moving image reproduction adjustment unit that adjusts the reproduction of the moving image by means of the built-in computer of the head mounted display so as to eliminate the difference detected by the difference time detection unit,
• wherein the one external computer includes the reference reproduction elapsed time management unit,
• wherein the external computer includes a sound reproduction unit that reproduces a sound as the sub-contents and outputs the sound to an external speaker, and
• wherein the reference reproduction elapsed time management unit conducts the master management of the reference reproduction elapsed time of the moving image synchronously with the reproduction of the sound by the sound reproduction unit,
• wherein the reference reproduction elapsed time management unit conducts the master management of the reference reproduction elapsed time of the moving image by reproducing a moving image that is the same as the moving image reproduced by the built-in computer of the head mounted display synchronously with the reproduction of the sound by the sound reproduction unit.