The present invention relates to a video recorder apparatus such as a television apparatus with a video recording function capable of recording a moving picture file in a detachable recording medium.
In recent years, there has been increasing a mobile terminal apparatus or equipment such as a mobile phone or a personal digital assistance (referred to as a PDA hereinafter), which has a function for reproducing a highly compressed moving picture file with a low bit rate having a format of MPEG4 or the like. As for such a reproducing function, there is assumed such a using method that a moving picture file having a format of the MPEG4 or the like recorded in a secure digital (referred to as an SD hereinafter) memory card or the like at home is enjoyed outdoors using a mobile phone or a PDA. In order to effectively utilize a recording medium having a limited capacity, there has been proposed a setting apparatus for video recording conditions which performs video recording on the basis of parameter values concerning the optimum video recording condition (or encoding condition) (See a patent document 1, for example).
There are various kinds of equipments such as a mobile phone, a PDA, or the like, for example, one having a video recording and reproducing function, one having only a reproducing function, or the like; and reproducible files are also different from each other depending on the equipments. A file of the MPEG4 will be described as an example of the moving picture file. In the MPEG4 standard, the specifications such as the maximum bit rate, a frame rate, and a pixel size of the moving picture file are specified. Whether or not the moving picture file can be reproduced by equipment such as a mobile phone or a PDA is determined whether or not the moving picture file complies with the specifications. Therefore, this leads to such a case that the moving picture file video-recorded by the technology disclosed in the patent document 1 cannot be reproduced by a user's mobile phone or PDA. In addition, in the patent document 1, setting information for video recording conditions is recorded in a detachable recording medium. This information is unnecessary information for the mobile phone or the PDA, and there is such a case that the information is deleted by mistake.
The mobile phone or the PDA has features of a small size and portability. In the equipment such as the mobile phone or the PDA, locations for viewing and listening are also simulated in various situations. The functions of video quality adjustment, audio quality adjustment, and the like of the equipment are simplified from the view point of the small size. Consequently, viewing and listening style considerably differ, as compared with such a case that a television apparatus having a function for reproducing moving picture files which have formats of the MPEG4 or the like is used, and the moving picture files are viewed and listened indoors.
The equipment of the existing television apparatus or the like having the function for reproducing moving picture files which have current formats of the MPEG4 or the like is premised on setting video recording conditions in consideration of mainly performing video recording and reproducing by the equipment itself. Therefore, there is a possibility that the moving picture files video-recorded by such television apparatus with a video recording function are not suitable for reproduction by other mobile terminal apparatus.
An object of the present invention is to solve the foregoing problems and to provide a video recorder apparatus capable of generating a moving picture file reproducible in user's intended video quality and volume on a mobile terminal apparatus.
According to the first aspect of the present invention, there is provided a video recorder apparatus including extracting means, first storage means, and storing means. The extracting means extracts predetermined encoding conditions from a recording medium that stores a first moving picture file, which is encoded by the encoding conditions and has the encoding conditions. The first storage means stores the extracted encoding conditions. The encoding means generates a second moving picture file by encoding a video signal and an audio signal to be recorded in accordance with the encoding conditions stored in the first storage means. The storing means stores the generated second moving picture file in one of the recording medium and a further recording medium.
In addition, according to the second aspect of the present invention, there is provided a video recorder apparatus extracting means, first storage means, first storage means, encoding means, and storing means. The extracting means extracts the respective encoding conditions from at least one recording medium that stores a plurality of first moving picture files encoded under a plurality of encoding conditions different from each other, where each of the first moving picture files have the respective encoding conditions. The first storage means stores a plurality of extracted encoding conditions. The encoding means selects one of the plurality of encoding conditions stored in the first storage means, and generates a second moving picture file by encoding a video signal and an audio signal to be recorded in accordance with the selected encoding conditions. The storing means stores the generated second moving picture file in one of at least one the recording medium and a further recording medium.
In the above-mentioned video recorder apparatus, the first and the second moving picture files encoded by the encoding conditions are reproduced by a predetermined reproduction apparatus.
In the above-mentioned video recorder apparatus, the first storage means further stores encoding conditions inputted by a user.
The above-mentioned video recorder apparatus further includes second storage means, selecting means, and signal processing means. The second storage means stores a plurality of items of reproduction environment information, where each of the items of the reproduction environment information includes a plurality of parameters upon executing a predetermined processing on the video signal and the audio signal in response to a plurality of reproduction environments different from each other upon reproducing a moving picture file. The selecting means selects one of the plurality of items of reproduction environment information. The signal processing means executes the predetermined processing on the video signal and the audio signal on the basis of parameters of the selected reproduction environment information, generates processed video signal and the audio signal, and supplies a generated video signal and the audio signal to the encoding means as the video signal and the audio signal to be recorded.
In the above-mentioned video recorder apparatus, second storage means stores reproduction environment information inputted by a user.
The above-mentioned video recorder apparatus further includes third storing means, selecting means, and signal processing means. The third storing means stores a plurality of items of user preference information, each including a plurality of parameters upon executing a predetermined processing on the video signal and the audio signal in response to user preference. The selecting means selects one of the plurality of items of user preference information. The signal processing means executes the predetermined processing on the video signal and the audio signal on the basis of parameters of the selected user preference information, generates processed video signal and the audio signal, and for supplying a generated video signal and audio signal to the encoding means as the video signal and the audio signal to be recorded.
In the above-mentioned video recorder apparatus, the third storing means stores user preference information inputted by a user.
Therefore, according to the video recorder apparatus according to the present invention, the video recorder apparatus is useful when a moving picture file stored in a detachable recording medium is enjoyed outdoors on a mobile terminal apparatus such as a mobile phone or a PDA, and the moving picture file complying with reproduction environment and user preference can be generated so as to utilize the maximum performance concerning specifications of equipment to be used.
According to the present invention, by narrowing down reproduction equipment and reproduction environment in video recording while making the most of the features of small size and portability provided by a mobile terminal apparatus such as a mobile phone or a PDA, a video recorder apparatus such as a television apparatus with a video recording function can be provided which generates a moving picture file reproducible in user's intended video quality and volume even in the mobile terminal apparatus.
The television video recorder apparatus 1 according to the present embodiment is characterized in that encoding condition information is extracted from the memory card 3 that stores therein a first moving picture file encoded under the predetermined encoding conditions and having the encoding conditions, and the extracted encoding condition information is stored in a rewritable ROM 16. Next, the television video recorder apparatus 1 is characterized to set the encoding conditions on the basis of the encoding condition information stored in the rewritable ROM 16, to generate a second moving picture file by encoding a video signal and an audio signal to be recorded in accordance with the set encoding conditions, and to store the generated second moving picture file in the memory card 3.
A hardware configuration of the television video recorder apparatus 1 will be simply described with reference to
The rewritable ROM 16, a ROM 17, a RAM 18, an input device 19, and a memory card interface 21 are further connected to the microcomputer 15, and the microcomputer 15 controls the whole operation of the television video recorder apparatus 1. A controlling program of the television video recorder apparatus 1 is stored in the ROM 17, and the microcomputer 15 executes the controlling program stored in the RAM 18. The rewritable ROM 16 is of an EEPROM, for example; the rewritable ROM 16 stores an encoding condition information table 31 including encoding condition information (to be described in detail later) in generating the moving picture file to be recorded in the memory card 3, and saves the same. The microcomputer 15 generates the moving picture file to be recorded in the memory card 3 by encoding the video signal processed by the video signal processing unit 13 and the audio signal processed by the audio signal processing unit 14 on the RAM 18 in accordance with the encoding conditions stored in the encoding condition information table 31.
The television video recorder apparatus 1 is operated by a user via the input device 19. In the case when specific user's input is required for processing, the microcomputer 15 displays a prompt on an input prompt display unit 20 connected to the input device 19 in order to persuade to put the user's input. The memory card interface 21 includes a memory card socket 21A which is provided for attaching the memory card 3, and reads out/writes data from/into the memory card 3. When the moving picture file in the memory card 3 is reproduced, the microcomputer 15 transfers the data of the moving picture file from the memory card 3 to the RAM 18, and stores, and processes the data in accordance with the controlling program. When the moving picture file is recorded in the memory card 3, the microcomputer 15 transfers the data of the moving picture file on the RAM 18 to the memory card 3 and stores.
The encoding condition information table 31 retains encoding condition information linking to each of a plurality of different mobile terminal apparatuses 2. The respective encoding condition information on the encoding condition information table 31 includes a set of parameter values concerning the moving picture file reproducible by a certain mobile terminal apparatus 2. As an example, the encoding condition information includes a reproducing equipment name which specifies the mobile terminal apparatus 2 such as a mobile phone or a PDA, which reproduces the moving picture file; the maximum bit rate information of the moving picture file reproducible by the mobile terminal apparatus 2; frame rate information; number of sampling pixels; audio bit rate information; and audio sampling frequency information. In the present embodiment, the encoding condition information means that upon performing video recording by the mobile terminal apparatus 2, and is obtained from the encoding condition information contained in the moving picture file, which is generated by the video recording, as will be described later with reference to
The television video recorder apparatus 1 may be provided with other source device which is provided for obtaining a television broadcasting signal in place of the antenna 11 and the tuner 12. In order to persuade a user's to put an input necessary for processing, the television video recorder apparatus 1 may also display a prompt on a display apparatus (not shown) which is provided for displaying a television program, or may give sound instruction using a speaker (not shown), in place of displaying the prompt on the input prompt display unit 20.
The CPU 40 reads out the moving picture file from the memory card 3, decodes a video signal and an audio signal, outputs the video signal to the display 46, and outputs the audio signal to the speaker 49 via the D/A converter 47 and the amplifier 48. The CPU 40 also obtains a moving picture image photographed by the CCD imaging device 53 via the imaging device interface 54 as a video signal, obtains an audio signal obtained by the microphone 50 via the amplifier 51 and the A/D converter 52, generates a moving picture file of a predetermined format on the basis of the obtained video signal and the audio signal, and records in the memory card 3.
In this case, the tag information will be described. For example, in the moving picture file video-recorded by a mobile phone or a PDA, which is in conformity with the MPEG4, information such as an equipment name of an equipment that records the moving picture file, the maximum bit rate, the frame rate, and the pixel size is recorded as the tag information. The television video recorder apparatus 1 extracts the encoding condition information by searching this tag information in the data of the moving picture file read into the RAM 18. A specific file configuration of the moving picture file will be described with reference to
Referring to
The registration processing of encoding condition information is repeated on a plurality of memory cards 3, that store therein moving picture files encoded under encoding conditions different from each other. Accordingly, the microcomputer 15 can obtain the encoding condition information which is provided for a plurality of different mobile terminal apparatuses 2.
As described above, according to the mobile terminal apparatus 2 provided with the video recording function and the reproducing function, the moving picture file encoded under the encoding conditions which are the same as the encoding conditions of the moving picture file formerly video-recorded by the mobile terminal apparatus 2 is generated, and is recorded in the memory card 3. Accordingly, the television video recorder apparatus 1 can generate a moving picture reproducible by the mobile terminal apparatus 2.
On the other hand, when the mobile terminal apparatus 2 is a reproduction-only apparatus, the equipment itself cannot perform video recording. Therefore, when the encoding conditions (that is, features such as the maximum bit rate, the frame rate, and the pixel size) which are provided for generating the moving picture file reproducible by the mobile terminal apparatus 2 have to be obtained, the encoding condition information cannot be extracted from the moving picture file video-recorded by the mobile terminal apparatus 2, in a manner similar to that of the method described using the flow chart shown in
As described above, according to the reproduction-only mobile terminal apparatus 2, the moving picture file encoded under the encoding conditions which are the same as the encoding conditions specified by the user is generated, and is recorded in the memory card 3. Accordingly, the television video recorder apparatus 1 can generate a moving picture reproducible by the mobile terminal apparatus 2.
According to the television video recorder apparatus 1 of the present embodiment, a moving picture file reproducible in user's intended video quality and volume can be generated even in such mobile terminal apparatus 2 while making the most of the features of small size and portability provided by the mobile terminal apparatus 2 such as a mobile phone or a PDA.
In the second embodiment, the different points from the first embodiment will be described as follows, and the other configuration is the same as that of the first embodiment.
(1) A rewritable ROM 16 saves a reproduction environment information table 32 in addition to a encoding condition information table 31; and
(2) A microcomputer 15 controls processing operation of a video signal processing unit 13 and an audio signal processing unit 14 on the basis of reproduction environment information on the reproduction environment information table 32.
According to the television video recorder apparatus 1 according to the present embodiment, it is characterized that (a) the reproduction environment information table 32 stores a plurality of items of reproduction environment information each including a plurality of parameters upon executing a predetermined processing on a video signal and an audio signal in response to a plurality of reproduction environments different from each other upon reproducing a moving picture file; (b) an input device 19 selects one of the plurality of items of the reproduction environment information stored by the reproduction environment information table 32; and (c) the video signal processing unit 13 and the audio signal processing unit 14 execute a predetermined processing on the video signal and the audio signal on the basis of the parameters of the selected reproduction environment information, generate the video signal and the audio signal of post processing, and supply the generated video signal and audio signal to the microcomputer 15 as the video signal and the audio signal to be recorded.
In the television video recorder apparatus 1 of the present embodiment, the reproduction environment information table 32 is used. Accordingly, moving picture files whose parameters such as color, brightness, and volume are preliminarily optimized can be generated in response to differences in location and environment upon reproducing moving picture files such as “crowd”, “in train”, “outdoor in daytime”, and “park at night”,
Referring to
Referring to
According to the television video recorder apparatus 1 of the present embodiment, a moving picture file reproducible in user's intended video quality and volume can be generated even in the mobile terminal apparatus 2 by performing video recording complying with reproduction equipment and reproduction environment while making the most of the features of small size and portability provided by the mobile terminal apparatus 2 such as a mobile phone or a PDA.
In the third embodiment, different points from the second embodiment are that a rewritable ROM 16 saves a user preference information table 33 in addition to an encoding condition information table 31 and a reproduction environment information table 32; and the other configuration is the same as that of the second embodiment.
According to the television video recorder apparatus 1 of the present embodiment, it is characterized that (a) the user preference information table 33 stores a plurality of items of user preference information each including a plurality of parameters upon executing a predetermined processing on a video signal and an audio signal in response to user preference; (b) an input device 19 selects one of the plurality of items of the user preference information; (c) a video signal processing unit 13 and an audio signal processing unit 14 execute a predetermined processing on the video signal and the audio signal on the basis of the parameters of the selected user preference information, generate the video signal and the audio signal of post processing, and supply the generated video signal and audio signal to the microcomputer 15 as the video signal and the audio signal to be recorded.
In the television video recorder apparatus 1 of the present embodiment, the user preference information table 33 is used. Accordingly, moving picture files whose parameters such as color, brightness, and volume are preliminarily optimized can be generated in response to differences in user preferences such as “relaxing mode”, “alive mode”, “sepia mode”, and “concert mode”,
Referring to
Referring to
According to the television video recorder apparatus 1 of the present embodiment, a moving picture file reproducible in user's intended video quality and volume can be generated even in the mobile terminal apparatus 2 by performing video recording complying with reproduction equipment, reproduction environment, and user preference while making the most of the features of small size and portability provided by the mobile terminal apparatus 2 such as a mobile phone or a PDA.
The video recorder apparatus according to the present invention is useful because on the assumption of the way of such use that a moving picture file stored in a detachable recording medium is enjoyed outdoors on a mobile terminal apparatus such as a mobile phone or a PDA, the moving picture file complying with reproduction environment and user preference can be generated so as to utilize the maximum performance concerning specifications of equipment to be used.
Number | Date | Country | Kind |
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2005-119238 | Apr 2005 | JP | national |
Filing Document | Filing Date | Country | Kind | 371c Date |
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PCT/JP2006/308019 | 4/17/2006 | WO | 00 | 2/6/2008 |
Publishing Document | Publishing Date | Country | Kind |
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WO2006/112429 | 10/26/2006 | WO | A |
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