Digital camera having video file creating function
a digital camera and video file technology, applied in the field of digital cameras with video file creation functions, can solve the problems of not having a general-purpose reproduction device with a function of analyzing the data of the link file disclosed, and not having a function of reproducing still images
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first embodiment
Configuration of a First Embodiment
[0057]FIG. 1 is a block diagram illustrating the configuration of a first embodiment of the invention.
[0058] In FIG. 1, a digital camera 11 is mounted with a lens 12. A light receiving surface of an image sensor 13 is disposed within an image space of the lens 12. An image capturing operation of the image sensor 13 is controlled by an output pulse of a timing generator 22b.
[0059] Image data outputted from the image sensor 13 is temporarily stored in a buffer memory 17 through an A / D conversion unit 15 and a signal processing unit 16.
[0060] The buffer memory 17 is connected to a bus 18. The bus 18 is connected to an image processing unit 19, a card interface 20, a microprocessor 22, a compression / decompression unit 23, an image display unit 24, a red eye reduction light emitting unit 30, a flash emitting unit 31, and a sound processing unit 32.
[0061] The card interface 20 performs data reading and writing operations with respect to a detachable...
second embodiment
[0125] The configuration of a second embodiment is the same as that of the first embodiment (FIG. 1), and thus explanation thereof will be omitted.
[0126] The second embodiment is characterized in that a sound or an effective image to show that the switching between video and still image displays is done (hereinafter, effective switching image) is added in addition to video data and freeze video data.
[0127]FIG. 6 is a flowchart explaining operations in the second embodiment. Hereinafter, the operations will be described in the order of reference step numbers shown in FIG. 6.
[0128] In steps S120 to S131, the same processes as in steps S1 to S11 in the first embodiment are performed.
[0129] In step S132, the sound processing unit 32 acquires sound data (hereinafter, referred to as first sound data) from the microphone 33 and stores it in the buffer memory 17, simultaneously with the video buffering, and then sets it as a synchronized reproduced sound of the video data.
[0130] In ste...
third embodiment
[0148] The configuration of a third embodiment is the same as that of the first embodiment (FIG. 1), and thus explanation thereof will be omitted.
[0149] The third embodiment is characterized in that a video file in which freeze video data and video data are connected in this order is created.
[0150]FIG. 7 is a flowchart explaining operations in the third embodiment. Hereinafter, the operations will be described in the order of reference step numbers shown in FIG. 7.
[0151] In step S301, the same process as in step SI in the first embodiment is performed.
[0152] In step S302, before shooting a still image, the sound processing unit 32 acquires sound data (hereinafter, referred to as ‘second sound data’) from the microphone 33 and stores it in the buffer memory 17. The sound processing unit 32 sequentially discards past sound data exceeding three seconds among the second sound data items.
[0153] In steps S303 to S310, the same processes as in steps S2 to S9 in the first embodiment ar...
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