Imaging apparatus having improved usability when moving images and still images are recorded
First Claim
1. An imaging apparatus comprising:
- an imaging unit;
a signal processing unit configured to generate moving image data and still image data using image data output from the imaging unit;
a moving image compressing unit configured to compress a data amount of the moving image data;
a still image compressing unit configured to compress a data amount of the still image data;
a recording unit configured to record the moving image data compressed by the moving image compressing unit and the still image data compressed by the still image compressing unit on a recording medium;
a setting unit configured to set a data rate of the moving image data to be compressed by the moving image compressing unit;
a control unit configured to control the moving image compressing unit and the still image compressing unit,wherein the signal processing unit generates the still image data in response to a still image shooting instruction issued during recording of the moving image data,wherein the recording unit records the still image data on the recording medium during recording of the moving image data, andwherein the control unit controls the moving image compressing unit on the basis of the data rate set by the setting unit to adjust a data rate of the moving image data, and controls the still image compressing unit on the basis of the data rate set by the setting unit and an information relating to a recording data rate of the recording medium to adjust an amount of the still image data generated during recording of the moving image data.
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Abstract
An imaging apparatus includes a signal processing unit that generates moving image data and still image data using image data output from an imaging unit, a moving image coding unit that encodes the moving image data, a still image coding unit that encodes the still image data, a recording unit that records the coded moving and still image data on a recording medium, a setting unit that sets a data rate of the coded moving image data, and a control unit that controls the moving and still image coding units. The control unit controls the moving image coding unit based on the set data rate to adjust the data rate of the moving image data and the still image coding unit based on the set data rate and a recording data rate of the recording medium to adjust an amount of the still image data.
13 Citations
26 Claims
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1. An imaging apparatus comprising:
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an imaging unit; a signal processing unit configured to generate moving image data and still image data using image data output from the imaging unit; a moving image compressing unit configured to compress a data amount of the moving image data; a still image compressing unit configured to compress a data amount of the still image data; a recording unit configured to record the moving image data compressed by the moving image compressing unit and the still image data compressed by the still image compressing unit on a recording medium; a setting unit configured to set a data rate of the moving image data to be compressed by the moving image compressing unit; a control unit configured to control the moving image compressing unit and the still image compressing unit, wherein the signal processing unit generates the still image data in response to a still image shooting instruction issued during recording of the moving image data, wherein the recording unit records the still image data on the recording medium during recording of the moving image data, and wherein the control unit controls the moving image compressing unit on the basis of the data rate set by the setting unit to adjust a data rate of the moving image data, and controls the still image compressing unit on the basis of the data rate set by the setting unit and an information relating to a recording data rate of the recording medium to adjust an amount of the still image data generated during recording of the moving image data. - View Dependent Claims (2, 3, 4, 5)
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6. An imaging apparatus comprising:
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an imaging unit; a signal processing unit configured to generate moving image data and still image data using image data output from the imaging unit; a moving image compressing unit configured to compress a data amount of the moving image data; a still image compressing unit configured to compress a data amount of the still image data; a recording unit configured to record the moving image data compressed by the moving image compressing unit and the still image data compressed by the still image compressing unit on a recording medium; a setting unit configured to set a data rate of the moving image data to be compressed by the moving image compressing unit; a control unit configured to control the moving image compressing unit and the still image compressing unit, wherein the signal processing unit generates the still image data in response to a still image shooting instruction issued during recording of the moving image data, and wherein the control unit controls the moving image compressing unit on the basis of the data rate set by the setting unit to adjust a data rate of the moving image data, and controls the still image compressing unit on the basis of the data rate set by the setting unit and an information relating to a recording data rate of the recording medium to adjust an amount of the still image data so that the generated still image data can be recorded during recording of the moving image data. - View Dependent Claims (7, 8, 9, 10, 11, 12, 16, 17)
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13. An imaging apparatus comprising:
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an imaging unit; a signal processing unit configured to generate moving image data and still image data using image data output from the imaging unit; a moving image compressing unit configured to compress a data amount of the moving image data; a still image compressing unit configured to compress a data amount of the still image data; a recording unit configured to record the moving image data compressed by the moving image compressing unit and the still image data compressed by the still image compressing unit on a recording medium; a setting unit configured to set an image quality of the still image data to be compressed by the still image compressing unit; a control unit configured to control the moving image compressing unit and the still image compressing unit, wherein the signal processing unit generates the still image data in response to a still image shooting instruction issued during recording of the moving image data, and wherein the recording unit records the still image data on the recording medium during recording of the moving image data, and wherein the control unit controls the still image compressing unit on the basis of the image quality set by the setting unit to adjust the data amount of the still image data, and controls the moving image compressing unit on the basis of the data amount of the still image data compressed in accordance with the set image quality and an information relating to a recording data rate of the recording medium to adjust a data rate of the moving image data, wherein the control unit adjusts the data rate of the moving image data on the basis of the amount of the still image data generated and compressed during recording of the moving image data and the information relating to the recording data rate of the recording medium. - View Dependent Claims (14, 15, 18)
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19. An imaging apparatus comprising:
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an imaging unit; a signal processing unit configured to generate moving image data and still image data using image data output from the imaging unit; a moving image compressing unit configured to compress a data amount of the moving image data; a still image compressing unit configured to compress a data amount of the still image data; a recording unit configured to record the moving image data compressed by the moving image compressing unit and the still image data compressed by the still image compressing unit on a recording medium; a setting unit configured to set an image quality of the still image data to be compressed by the still image compressing unit; a control unit configured to control the moving image compressing unit and the still image compressing unit, wherein the signal processing unit generates the still image data in response to a still image shooting instruction issued during recording of the moving image data, and wherein the control unit controls the still image compressing unit on the basis of the image quality set by the setting unit to adjust the data amount of the still image data, and controls the moving image compressing unit on the basis of the data amount of the still image data encoded in accordance with the set image quality and an information relating to a recording data rate of the recording medium to adjust a data rate of the moving image data, wherein the control unit adjusts the data rate of the moving image data to be compressed by the moving image compressing unit so that the still image data can be recorded during recording of the moving image data. - View Dependent Claims (20, 21, 22, 23, 24)
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25. An imaging apparatus comprising:
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an imaging unit; a signal processing unit configured to generate moving image data and still image data using image data output from the imaging unit; a moving image compressing unit configured to compress a data amount of the moving image data; a still image compressing unit configured to compress a data amount of the still image data; an output unit configured to output the moving image data compressed by the moving image compressing unit and the still image data compressed by the still image compressing unit, the output unit outputting the compressed moving image data and the compressed still image data to a recording device; a setting unit configured to set a data rate of the moving image data to be compressed by the moving image compression unit; a control unit configured to control the moving image compressing unit and the still image compressing unit, wherein the signal processing unit generates the still image data in response to a still image shooting instruction issued in a period from a moving image shooting start instruction to a moving image shooting stop instruction, wherein the output unit outputs the still image data in the period from the moving image shooting start instruction to the moving image shooting stop instruction, and wherein the control unit controls the moving image compressing unit on the basis of the data rate set by the setting unit to adjust a data rate of the moving image data, and controls the still image compressing unit on the basis of the data rate set by the setting unit and an information relating to a data rate which can be employed by the output unit to adjust the data amount of the still image data generated in the period from the moving image shooting start instruction to the moving image shooting stop instruction.
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26. An imaging apparatus comprising:
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an imaging unit; a signal processing unit configured to generate moving image data and still image data using image data output from the imaging unit; a moving image compressing unit configured to compress a data amount of the moving image data; a still image compressing unit configured to compress a data amount of the still image data; an output unit configured to output the moving image data compressed by the moving image compressing unit and the still image data compressed by the still image compressing unit, the output unit outputting the compressed moving image data and the compressed still image data to a recording device; a setting unit configured to set an image quality of the still image data to be compressed by the still image compressing unit; a control unit configured to control the moving image compressing unit and the still image compressing unit, wherein the signal processing unit generates the still image data in response to a still image shooting instruction issued in a period from a moving image shooting start instruction to a moving image shooting stop instruction, wherein the output unit outputs the still image data in the period from the moving image shooting start instruction to the moving image shooting stop instruction, and wherein the control unit controls the still image compressing unit on the basis of the image quality set by the setting unit to adjust the data amount of the still image data, and controls the moving image compressing unit on the basis of the data amount of the still image data compressed in accordance with the set image quality and an information relating to a data rate which can be employed by the output unit to adjust a data rate of the moving image data, wherein the control unit adjusts the data rate of the moving image data on the basis of the amount of the still image data generated and compressed in the period from the moving image shooting start instruction to the moving image shooting stop instruction and the information relating to the data rate which can be employed by the output unit.
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Specification