A transmission device comprising: an image processing unit (102; 103; 104) that is configured to process high-frame-rate ultra-high-definition image data to obtain first image data for acquisition of a base-frame-rate high-definition image, second image data for acquisition of a high-frame-rate high-definition image by being used with the first image data, third image data for acquisition of a base-frame-rate ultra-high-definition image by being used with the first image data, and fourth image data for acquisition of a high-frame-rate ultra-high-definition image by being used with the first to third image data; a transmission unit that is configured to transmit a container, the container being an ISO Base Media File Format, ISOBMFF, container, including a first video stream and a second video stream including encoded image data of the first to fourth image data; and an information insertion unit that is configured to insert information into the container, the information corresponding to information that is inserted into each of the first video stream and the second video stream, with the information being associated with respective image data included in the respective video stream; wherein the first video stream includes encoded image data of the first image data and encoded image data of the second image data, and the second video stream includes encoded image data of the third image data and encoded image data of the fourth image data, and the information insertion unit is configured to insert the information into the container, such that the container includes a first representation corresponding to the first video stream and a second representation corresponding to the second video stream, with the first representation corresponding to the first video stream comprising sub-representations corresponding to the encoded image data of the first and second image data, respectively, and the second representation corresponding to the second video stream comprising sub-representations corresponding to the encoded image data of the third and fourth image data, respectively. an image processing unit (102; 103; 104) that is configured to process high-frame-rate ultra-high-definition image data to obtain first image data for acquisition of a base-frame-rate high-definition image, second image data for acquisition of a high-frame-rate high-definition image by being used with the first image data, third image data for acquisition of a base-frame-rate ultra-high-definition image by being used with the first image data, and fourth image data for acquisition of a high-frame-rate ultra-high-definition image by being used with the first to third image data; a transmission unit that is configured to transmit a container, the container being an ISO Base Media File Format, ISOBMFF, container, including a first video stream and a second video stream including encoded image data of the first to fourth image data; and an information insertion unit that is configured to insert information into the container, the information corresponding to information that is inserted into each of the first video stream and the second video stream, with the information being associated with respective image data included in the respective video stream; wherein the first video stream includes encoded image data of the first image data and encoded image data of the second image data, and the second video stream includes encoded image data of the third image data and encoded image data of the fourth image data, and the information insertion unit is configured to insert the information into the container, such that the container includes a first representation corresponding to the first video stream and a second representation corresponding to the second video stream, with the first representation corresponding to the first video stream comprising sub-representations corresponding to the encoded image data of the first and second image data, respectively, and the second representation corresponding to the second video stream comprising sub-representations corresponding to the encoded image data of the third and fourth image data, respectively.