TW201509188A - Video and audio post production method and video and audio recorder device - Google Patents

Abstract

A video and audio post production method and a video and a video and audio recorder device are provided. The video and audio post production method comprises receiving a first image file and an audio file mapping a timeline; retrieving a first time segment of the first image file, mapping the timeline; and combining, according to the first time segment and the timeline, the first image and the audio file to make a first video file. The video and audio recorder device comprises a photosensitive unit, an audio inputting unit, an image process unit. The video and audio recorder device is used to execute the video and audio post production method.

Description

Audio-visual post-production method and video recording device

The present invention relates to an audio-visual post-production method and a video-recording device, and more particularly to an audio-visual post-production method and a video-recording device suitable for processing a plurality of images in time-lapse photography.

Most of today's digital photography equipment can support the continuous shooting function. The so-called continuous shooting function is for the user to set the number of shots or time for continuous shooting. Storage devices for digital photographic devices, such as memory cards, flash drives, or external hard drives, are becoming less expensive to manufacture and have higher storage capacities. Therefore, the continuous shooting function of the digital photography is gradually converted into a time lapse of a long time and a large number of images.

Time-lapse photography is the process of capturing images in sequence according to fixed time or unfixed time. Therefore, the images generated in time-lapse photography correspond to the time axis. In addition, the time-lapse photography can be recorded in addition to the shadow, and the sound of the scene can be recorded together.

Because the large number of images produced by time-lapse photography are continuous, just like the frame of a movie, and the quality of time-lapse photography is digitally taken. The setting of the shooting device is subject to the standard, so these images often have super high image quality and resolution. However, in order to combine a large number of image and sound files generated by time-lapse photography, it is often necessary to compare a large number of images one by one in the post-production to correspond to the sound file.

However, such a corresponding method often requires a lot of cost. And time. When the number of images produced by time-lapse photography is too large, the user's post-processing of comparing images and sounds is more complicated. Therefore, there is still room for improvement in the method of generating a large number of images and sound files generated by time-lapse images.

In view of the above problems, the present invention provides an audio-visual post-production method and a video-recording device, which can effectively correspond to a sound file when combining image files and sound files generated by time-lapse photography, thereby increasing the convenience of post-production.

The invention provides an audio-visual post-production method suitable for a video recording device. This video post-production method includes the following steps. Receiving a first image file and a sound file corresponding to the time axis. Obtaining a first time period corresponding to the time axis of the first image file. And combining the first image file and the sound file into the first video file according to the first time zone and the time axis.

In an embodiment of the invention, the first image file is selected by the video recording device and selected from a plurality of pictures, photos and images sorted according to a time axis.

In an embodiment of the invention, the foregoing audio-visual method further includes The following steps. Receiving a second image file corresponding to the time axis, the second image file is after the adjacent first image file on the time axis. Obtaining a second time period corresponding to the time axis of the second image file. And combining the second image file and the sound file into the second video file according to the second time zone and the time axis, wherein the second video file is connected to the first video file.

In an embodiment of the invention, the first time segment and the second time The time segments respectively include a start time point and an end time point, and the end time point of the first time segment is the same as the start time point of the second time segment.

The invention provides a video recording device, and the video recording device It includes a photosensitive unit, a sound input unit, and a video processing unit. The photosensitive unit is used to capture the first image file, and the sound input unit is used to record the sound file. The audio processing unit is coupled to the photosensitive unit and the sound input unit, and the audio processing unit receives the first image file and the sound file corresponding to the time axis, and obtains a first time segment of the first image file, where the first time segment corresponds to the time axis, and The first image file and the sound file are combined into a first video file according to the first time zone and the time axis.

In an embodiment of the invention, the first image file is a map A film, photo or image.

In an embodiment of the invention, the photosensitive unit further receives a corresponding The second image file of the time axis receives the second image file corresponding to the time axis, and the second image file is the second time segment corresponding to the time axis of the second image file after the adjacent first image file on the time axis And the second time section And the time axis, combining the second image file and the sound file into a second video file, wherein the second video file is connected to the first video file.

In an embodiment of the invention, the first time segment and the second time The time segments respectively include a start time point and an end time point, and the end time point of the first time segment is the same as the start time point of the second time segment.

Audio-visual post-production method and video-recording device disclosed in the present invention The first image file and the sound file corresponding to the time axis are received by the video processing unit, and the first time segment corresponding to the time axis of the first image file is obtained. And combining the first image file and the sound file into the first video file according to the first time zone and the time axis. The video processing unit can further receive the second image file corresponding to the time axis, and the second image file is after the adjacent first image file on the time axis. In addition, the video processing unit obtains a second time period corresponding to the time axis of the second image file, and merges the second image file and the sound file into the second video file according to the second time segment and the time axis. The second video file is connected to the first video file. In this way, when the image file and the sound file need to be merged from a large number of image files to generate a video file, the synchronization correspondence can be effectively and quickly performed to increase the convenience of generating the video file.

The above description of the disclosure and the following implementers The description is intended to illustrate and explain the spirit and principles of the invention, and to provide a further explanation of the scope of the invention.

1‧‧‧Video Recording Device

11‧‧‧Photosensitive unit

12‧‧‧Sound input unit

13‧‧‧Video Processing Unit

20‧‧‧Image collection

201, 202‧‧‧ first image file

203‧‧‧Second image file

21‧‧‧ timeline

211, 213‧‧‧ starting time

212, 214‧‧‧ End time

215‧‧‧ time point

22‧‧‧Sound file

1 is a block diagram of a video recording apparatus according to an embodiment of the present invention.

2 is a schematic diagram showing an example of a video post-production method according to an embodiment of the present invention.

FIG. 3 is a schematic diagram showing an example of a video post-production method according to another embodiment of the present invention.

Figure 4 is a flow chart of a method of video and audio production according to an embodiment of the present invention.

Fig. 5 is a flow chart showing a method of post-production of audio and video according to another embodiment of the present invention.

The detailed features and advantages of the present invention are set forth in the Detailed Description of the Detailed Description of the <RTIgt; </ RTI> <RTIgt; </ RTI> </ RTI> </ RTI> <RTIgt; The objects and advantages associated with the present invention can be readily understood by those skilled in the art. The following examples are intended to describe the present invention in further detail, but are not intended to limit the scope of the invention.

Please refer to FIG. 1 , which is a block diagram of a video recording apparatus according to an embodiment of the present invention. The video recording apparatus 1 includes a photosensitive unit 11, a sound input unit 12, and a video processing unit 13. The photosensitive unit 11 is, for example, a photosensitive element of a digital camera or a camera for capturing a target to generate a first image file. The sound input unit 12 is configured to receive sound from the target. The sound is recorded to generate a sound file, and the sound input unit 12 is mounted, for example, on a sound recording element on the video recording apparatus 1. The video processing unit 13 is, for example, a central processing unit, and is coupled to the photosensitive unit 11 and the sound input unit 12.

The audio processing unit 13 is configured to receive the first shadow corresponding to the time axis Like files and sound files. The format of the first image file is, for example, a format such as a Joint Photographic Expert Group (JPEG), a bitmap (BMP), or a raw image (raw). The format of the sound file is, for example, Waveform audio format (WAV) or Motion Picture Experts Group-1 or Motion Picture Experts Group-2 (MPEG-1 or MPEG-2 Audio Layer III, MP3).

Next, the audio processing unit 13 obtains the first image file. For a time period, the first time segment corresponds to the time axis. This first time zone includes a start time point and an end time point. The starting time point is the file creation time of the first image file, which is the time for the current drawing. The end time point is the time when the first image file ends and the image file below the first image file is started.

After that, the video processing unit 13 is timely according to the first time segment. The first axis and the first image file and the sound file are merged into the first video file. The video processing unit 13 extracts the sound clip file corresponding to the start time point and the end time point from the sound file on the basis of the start time point and the end time point in the first time zone. Then, the audio processing unit 13 merges the sound clip file with the first image file, and displays it according to the video file. The frames per second (FPS) are repeatedly filled in the first image file to generate a first video file.

The above is only for the single image file of the first image file. The embodiment will be described, but the present invention is not limited thereto, and an example will be described below. The video processing unit 13 further receives a second image file corresponding to the time axis, and the second image file is after the first image file adjacent to the time axis. The second image file is also captured by the photosensitive unit 11 of the video recording device 1. The detailed format content is the same as the first image file, and therefore will not be described again.

Next, the audio processing unit 13 obtains the second image file corresponding The second time period of the time axis, and the second time period also includes a start time point and an end time point. The start time point of the second time zone is the same as the end time point of the first time zone of the first image file, and the end time point is the end of the second image file and the next image of the second image file is continued. The time when the file started.

Finally, the audio processing unit 13 is timely according to the second time segment. The second axis and the sound file are merged into the second video file, and the second video file is connected to the first video file.

Please refer to FIG. 2 for an embodiment of the present invention. An example of a video post-production method. It is assumed that the image set 20 includes the first image file 201 as an example, and the image set 20 is generated by, for example, time-lapse photography by the light-receiving unit 11 of the video-recording device 1, and the image set 20 corresponds to the time axis 21. The sound file 22 is also, for example, the sound of the video recording device 1. The input unit 12 is generated after recording, and the sound file 22 is represented by a waveform.

First, the video processing unit 13 receives the corresponding time axis 21 An image file 201 and a sound file 22. Next, the video processing unit 13 obtains a first time zone of the first video file 201, and the first time zone corresponds to the time axis 21. The first time zone includes a start time point 211 and an end time point 212. The start time point 211 is the file creation time of the first image file 201, that is, the time at which the capture is started. The end time point 212 corresponds, for example, to the file creation time of an image file following the first image file 201. Finally, the video processing unit 13 combines the first video file 201 and the sound file 22 into a video file according to the first time segment and the time axis 21. For example, the video processing unit 13 extracts the sound segment corresponding to the start time point 211 and the end time point 212 from the sound file 22 with reference to the time axis 21 based on the start time point 211 and the end time point 212 in the first time zone. file. Then, the sound clip file is merged with the first image file 201, and the first image file 201 is filled in the first time segment according to the frames per second (FPS) of the video file and the merge corresponding A section of the sound file 22 to produce a first video file.

Please refer to FIG. 3 for another embodiment of the present invention. A schematic diagram of an example of the post-production method. It is assumed that the image set 20 includes the first image file 202 and the second image file 203 as an example, and the image set 20 is generated, for example, by the photosensitive unit 11 of the video recording device 1 for time-lapse photography, and the image set 20 corresponds to Timeline 21. The sound file 22 is also for example The sound input unit 12 of the video recording apparatus 1 is produced after being recorded, and the sound file 22 is represented by a waveform.

Next, the video processing unit 13 receives the corresponding time axis 21 An image file 202 and a second image file 203. The video processing unit 13 further obtains the first time segment and the second time segment of the first video file 202 and the second image file 203 corresponding to the time axis 21, respectively. The first time segment is a segment of the first image file 202 corresponding to the time axis 21, and the second time segment is a segment of the second image file 203 corresponding to the time axis 21. The first time zone and the second time zone include a start time point 213 of the first time zone and an end time point 214 of the second time zone, and the end time point and the second time of the first time zone The start time point of the segment is the same, which is the time point 215 on the time axis 21. The start time point 213 is the file creation time of the first image file 202, that is, the time at which the first image file 202 is captured at that time. The end time point 214 is the file creation time of the next image file on the time axis 21 relative to the second image file 203, that is, the end time point 214 of the second image file 203.

Finally, the audio processing unit 13 is timely according to the first time segment. The first axis 21 merges the first image file 202 and the sound file 22 into a first video file. Next, the video processing unit 13 combines the second video file 203 and the sound file 22 into a second video file according to the second time zone and the time axis 21. The detailed merging method is that the video processing unit 13 extracts from the sound file 22 corresponding to the time axis 21 based on the first time zone and the second time zone. A sound clip file of the first time zone and the second time zone. Next, the sound clip file is merged with the first image file 202 and the second image file 203, respectively. When the video processing unit 13 performs the merging, the video processing unit 13 first obtains the number of display frames per second of the preset first video file and the second video file. Next, the video processing unit 13 fills in the first video file 202 according to the number of display frames per second, and simultaneously corresponds to the section of the sound file 22 to generate the first video file. Next, the video processing unit 13 fills in the second image file 203 according to the number of display frames per second, and simultaneously merges the segments of the corresponding sound file 22 to generate a second video file. And, the second video file is connected to the first video file.

Through the description of the above embodiment, it can be summarized that after an audio-visual Method of production. Please refer to FIG. 4, which is a flowchart of a video post-production method according to an embodiment of the present invention. The video post-production method of this embodiment can be adapted to a video recording device. In step S401, a first image file and a sound file corresponding to the time axis are received. In step S402, a first time segment of the first image file is obtained, and the first time segment corresponds to the time axis. In step S403, the first image file and the sound file are merged into the first video file according to the first time segment and the time axis.

Please refer to "figure 5", which is another embodiment according to the present invention. The flow chart of the audio-visual method. In step S501, a first image file and a sound file corresponding to the time axis are received. In step S502, a second image file corresponding to the time axis is received, and the second image file is after the first image file adjacent to the time axis. In step S503, the first image file corresponding time is obtained. The first time period of the axis. In step S504, a second time segment corresponding to the time axis of the second image file is obtained. In step S505, the segments of the first image file, the second image file, and the corresponding sound file are combined into a first video file and a second video file according to the first time segment, the second time segment, and the time axis. And the second video file is connected to the first video file.

Audio-visual post-production method and video-recording device disclosed in the present invention The first image file and the sound file corresponding to the time axis are received by the video processing unit, and the first time segment corresponding to the time axis of the first image file is obtained. And combining the first image file and the sound file into the first video file according to the first time zone and the time axis. In addition, the video processing unit can further receive the second image file corresponding to the time axis, and the second image file is after the adjacent first image file on the time axis. The video processing unit obtains a second time period corresponding to the time axis of the second image file, and merges the second image file and the sound file into the second video file according to the second time segment and the time axis. The second video file is connected to the first video file. In this way, when the image file and the sound file need to be merged from a large number of image files to generate a video file, the synchronization correspondence can be effectively and quickly performed to increase the convenience of generating the video file.

Although the present invention is disclosed above in the foregoing embodiments, it is not It is used to define the invention. It is within the scope of the invention to be modified and modified without departing from the spirit and scope of the invention. About the boundaries of the present invention Please refer to the attached patent application scope for the scope of protection.

Claims (8)

An audio and video post-production method is suitable for a video recording device, the method includes: receiving a first image file and a sound file corresponding to a time axis; and obtaining a first time image corresponding to the time axis a time segment; and combining the first image file and the sound file into a first video file according to the first time segment and the time axis. The method according to claim 1, wherein the first image file is selected according to a plurality of pictures, photos and images sorted by the time axis. The method of claim 1, further comprising: receiving a second image file corresponding to the time axis, the second image file being adjacent to the first image file on the time axis; The second image file corresponds to a second time period of the time axis; and the second image file and the sound file are merged into the second video file according to the second time period and the time axis, wherein the second image file The video file is connected to the first video file. The video post-production method of claim 3, wherein the first time segment and the second time segment respectively include a start time point and an end time Point, and the end time point of the first time zone is the same as the start time point of the second time zone. An audio-visual recording device includes: a photosensitive unit for capturing a first image file; a sound input unit for recording a sound file; and a video processing unit coupled to the photosensitive unit and the sound input unit Receiving, by the video processing unit, the first image file corresponding to a time axis and the sound file, obtaining a first time segment of the first image file, the first time segment corresponding to the time axis, and according to the first For a time period and the time axis, the first image file and the sound file are combined into a first video file. The video recording device of claim 5, wherein the first image file is a picture, a photo or an image. The video recording device of claim 5, wherein the photosensitive unit further receives a second image file corresponding to the time axis, and receives a second image file corresponding to the time axis, wherein the second image file is After the first image file is adjacent to the first image file on the time axis, a second time segment corresponding to the time axis of the second image file is obtained, and the second image file is merged according to the second time segment and the time axis. The sound file is the second video file, wherein the second video file is subsequent to the first video file. The video recording apparatus of claim 7, wherein the first time zone and the second time zone respectively include a start time point and an end time Point, and the end time point of the first time zone is the same as the start time point of the second time zone.