CN107197327B - Digital media manufacturing method - Google Patents
Digital media manufacturing method Download PDFInfo
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- CN107197327B CN107197327B CN201710494522.5A CN201710494522A CN107197327B CN 107197327 B CN107197327 B CN 107197327B CN 201710494522 A CN201710494522 A CN 201710494522A CN 107197327 B CN107197327 B CN 107197327B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
Abstract
The invention discloses a digital media manufacturing method, which comprises the following steps: the method comprises the steps of firstly, acquiring audio and video, secondly, processing the audio and video, thirdly, forming a digital media file, fourthly, independently storing, fifthly, generating independent time control information, sixthly, generating video and audio control information, and seventhly, establishing and calling an independent inter-cut database.
Description
Technical Field
The invention relates to a multimedia manufacturing method, in particular to a digital media manufacturing method, and belongs to the technical field of digital media manufacturing.
Background
The digital media is a media that comprehensively processes, transmits and displays information such as video, voice, data and the like in accordance with a single signal processing method called a digital signal, and is characterized in that it provides not only a communication environment integrating information of different properties and types of signals but also a network by using the digital signal, and thus people connected to the media system can communicate various information with each other through the digital network, and thus it can be said that the digital media has a great significance in expressing the bidirectionality and interactivity of the media through the digital network; the existing digital media production methods are various, for example, chinese patent application No.: 200610081465.X, discloses an interactive digital multimedia making method based on video and audio, making multimedia files through man-machine interaction; the method comprises the following steps: starting; the method comprises the following steps of firstly, acquiring a field video image in real time and preprocessing the field video image to obtain primary video information; step two, processing and converting the preliminary video information into video control information; acquiring field audio data in real time, and preprocessing the field audio data to acquire preliminary audio information; step four, processing and converting the preliminary audio information into audio control information; step one, step two constitute step group one, step three, step four constitute step group two, step group one, step group two are independent each other, and enter step five after finishing carrying out; step five, fusing the video control information and the audio control information, outputting an ontology control command, and changing and outputting ontology content; finishing; the invention adopts interactive control of video and audio to realize direct control of virtual elements in the multimedia file; but the starting interactivity is not strong, and the modification of the later-stage interactive response is complicated.
Disclosure of Invention
In order to solve the above problems, the present invention provides a digital media production method, which has diversified interaction schemes, and can implement either individual interaction control or hybrid binding interaction control.
The invention relates to a method for manufacturing a digital media, which comprises the following steps:
firstly, audio and video acquisition, namely acquiring video and audio data through pickup equipment and digital optical equipment;
secondly, audio and video processing, namely processing the audio and video acquired in the first step through a digital processing system and converting the audio and video into video digital data and audio digital data;
thirdly, forming a digital media file, and synthesizing the video digital data and the audio digital data into the digital media file;
fourthly, independently storing, and respectively sending the video digital data and the audio digital data to a video data memory and an audio data memory through a control system;
fifthly, generating independent time control information, firstly forming a video independent time axis by taking each frame picture as a time point for video data in a video data memory, and forming an audio independent time axis by taking millisecond unit time for audio data in an audio data memory; then, establishing an independent time axis control system, and synchronizing the time point of the video independent time axis with the time point of the audio independent time axis;
sixthly, generating video and audio control information, timing time points through an independent time axis control system, and extracting frame picture characteristics of one frame of the current video or extracting global motion information and local attitude information of continuous frame pictures after triggering a certain preset time point to convert the video and audio control information into video control information; the frequency value, the amplitude value and the syllable of the audio sound are extracted and analyzed and converted into audio control information;
and step seven, establishing and calling an independent inter cut database, and triggering data in the independent inter cut database through independent time control information and video and/or audio control information.
In a preferred embodiment, the data in the independent inter-cut database is video digital data and/or audio digital data.
As a preferred embodiment, the independent spot database is provided with an update interface.
As a preferred embodiment, the control system is further provided with an information acquisition response system.
As a preferred embodiment, the information collection response system comprises the following steps: and data are collected through the information collection response system and are sent to the control system, and the control system controls and calls the data in the independent inter-cut database.
In a preferred embodiment, the information collection response system collects data and generates independent time control information and/or generates video and audio control information.
As a preferred embodiment, the information acquisition response system includes an environment information acquisition device and a posture information acquisition device.
As a preferred embodiment, the information acquisition response system further comprises a voice acquisition device and a physiological information acquisition device.
Compared with the prior art, the digital media production method provided by the invention has the advantages that the interaction is triggered through the independent time control information and the video and/or audio control information, the interaction information can be modified in a later stage, the interaction scheme is diversified, the single interaction control can be realized, the mixed binding interaction control can also be carried out, the use flexibility is strong, and the setting can be automatically carried out according to the scene application.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Detailed Description
Example 1:
as shown in fig. 1, the method for manufacturing a digital media of the present invention specifically includes the following steps:
firstly, audio and video acquisition, namely acquiring video and audio data through pickup equipment and digital optical equipment;
secondly, audio and video processing, namely processing the audio and video acquired in the first step through a digital processing system and converting the audio and video into video digital data and audio digital data;
thirdly, forming a digital media file, and synthesizing the video digital data and the audio digital data into the digital media file;
fourthly, independently storing, and respectively sending the video digital data and the audio digital data to a video data memory and an audio data memory through a control system;
fifthly, generating independent time control information, firstly forming a video independent time axis by taking each frame picture as a time point for video data in a video data memory, and forming an audio independent time axis by taking millisecond unit time for audio data in an audio data memory; then, establishing an independent time axis control system, and synchronizing the time point of the video independent time axis with the time point of the audio independent time axis;
sixthly, generating video and audio control information, timing time points through an independent time axis control system, and extracting frame picture characteristics of one frame of the current video or extracting global motion information and local attitude information of continuous frame pictures after triggering a certain preset time point to convert the video and audio control information into video control information; the frequency value, the amplitude value and the syllable of the audio sound are extracted and analyzed and converted into audio control information;
and step seven, establishing and calling an independent inter cut database, and triggering data in the independent inter cut database through independent time control information and video and/or audio control information.
In one example, the data within the separate break-in database is video digital data and/or audio digital data.
In one example, the independent spot database is provided with an update interface.
Example 2:
in the digital media manufacturing method, the control system is also provided with an information acquisition response system; the information acquisition response system comprises the following methods: data are collected through an information collection response system and are sent to a control system, and the control system controls and calls data in the independent inter-cut database; the information acquisition response system binds the acquired data with the generated independent time control information and/or the generated video and audio control information; the information acquisition response system comprises an environment information acquisition device and a posture information acquisition device; the information acquisition response system also comprises a voice acquisition device and a physiological information acquisition device.
The digital media manufacturing method provided by the invention triggers interaction through the independent time control information and the video and/or audio control information, the interaction information can be modified in a later period, the interaction scheme is diversified, the independent interaction control can be realized, the mixed binding interaction control can also be performed, the use flexibility is strong, and the setting can be automatically carried out according to the scene application.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (1)
1. A method of digital media production, the method comprising:
firstly, audio and video acquisition, namely acquiring video and audio data through pickup equipment and digital optical equipment;
secondly, audio and video processing, namely processing the audio and video acquired in the first step through a digital processing system and converting the audio and video into video digital data and audio digital data;
thirdly, forming a digital media file, and synthesizing the video digital data and the audio digital data into the digital media file;
it is characterized in that the preparation method is characterized in that,
fourthly, independently storing, and respectively sending the video digital data and the audio digital data to a video data memory and an audio data memory through a control system;
fifthly, generating independent time control information, firstly forming a video independent time axis by taking each frame picture as a time point for video data in a video data memory, and forming an audio independent time axis by taking millisecond unit time for audio data in an audio data memory; then, establishing an independent time axis control system, and synchronizing the time point of the video independent time axis with the time point of the audio independent time axis;
sixthly, generating video and audio control information, timing time points through an independent time axis control system, and extracting frame picture characteristics of one frame of the current video or extracting global motion information and local attitude information of continuous frame pictures after triggering a certain preset time point to convert the video and audio control information into video control information; the frequency value, the amplitude value and the syllable of the audio sound are extracted and analyzed and converted into audio control information;
step seven, establishing and calling an independent inter cut database, and triggering data in the independent inter cut database through independent time control information and video and/or audio control information; the data in the independent inter-cut database is video digital data and/or audio digital data; the independent inter-cut database is provided with an updating interface.
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| CN111726692B (en) * | 2019-03-22 | 2022-09-09 | 北京图音数码科技有限公司 | Interactive playing method of audio-video data |
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