CN111711862A - Marking method, playing method and retrieval method of audio and video clips - Google Patents
Marking method, playing method and retrieval method of audio and video clips Download PDFInfo
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- CN111711862A CN111711862A CN202010613717.9A CN202010613717A CN111711862A CN 111711862 A CN111711862 A CN 111711862A CN 202010613717 A CN202010613717 A CN 202010613717A CN 111711862 A CN111711862 A CN 111711862A
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47205—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for manipulating displayed content, e.g. interacting with MPEG-4 objects, editing locally
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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
- H04N21/232—Content retrieval operation locally within server, e.g. reading video streams from disk arrays
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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
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
Abstract
The invention relates to the technical field of information retrieval, in particular to a labeling method, a playing method and a retrieval method of audio and video clips, wherein the audio and video clips to be labeled are provided and stored in a first storage unit, and the labeling method comprises the following steps: step S1, providing an operation interface, and marking the play starting time point and the play ending time point in the audio and video clip through the operation interface; step S2, setting character labels related to the playing start time point and the playing end time point through an operation interface; and step S3, storing the storage address, the play start time point, the play end time point and the corresponding character labels of the audio and video clips as label information in a second storage unit. Has the advantages that: the audio and video clips can be labeled without downloading, cutting, intercepting and other operations, and the audio and video clips can be quickly and accurately retrieved, so that the corresponding audio and video clips can be conveniently and quickly found and played.
Description
Technical Field
The invention relates to the technical field of information retrieval, in particular to an audio and video clip labeling method, an audio and video clip playing method and an audio and video clip retrieval method.
Background
With the development of information technology, each large audio and video platform develops rapidly, and generates a huge amount of audio and video information every day. The text information and the audio and video information both include a large amount of contents, but not all the contents are interesting, for the text information, the interesting text information can be labeled through operations of line drawing, picking, pasting, copying and the like, and the corresponding interesting text information can be searched through searching keywords, however, the labeling and searching of the audio and the video are very difficult to realize.
In the prior art, if an interested audio/video segment in the whole audio/video needs to be labeled, the whole audio/video segment needs to be downloaded first, and the precondition is that the audio/video segment can be downloaded, and then the audio/video segment with the preset time length needed by a user is intercepted through editing software to form a new audio/video segment.
Disclosure of Invention
Aiming at the problems in the prior art, a retrieval method and a playing method of audio and video clips are provided.
The specific technical scheme is as follows:
the invention provides a method for labeling audio and video clips, wherein an audio and video clip to be labeled is provided and stored in a first storage unit, and the labeling method comprises the following steps:
step S1, providing an operation interface, and marking the playing start time point and the playing end time point in the audio and video clip through the operation interface;
step S2, setting a character label related to the playing start time point and the playing end time point through the operation interface;
and step S3, storing the storage address of the audio/video clip, the play start time point, the play end time point and the corresponding character label as label information in a second storage unit.
Preferably, an editing interface is provided, and the editing interface is connected with the second storage unit;
the editing interface is used for displaying the playing starting time point, the playing ending time point and the corresponding character labels; and
the editing interface is used for receiving the modification of the user to the playing starting time point and storing the modification to the second storage unit and/or
The playing ending time point is modified and stored to the second storage unit, and/or
And modifying and saving the corresponding text labels to the second storage unit.
Preferably, the text label at least comprises a title and/or label content.
Preferably, the first storage unit and the second storage unit are located in different servers; or
The first storage unit and the second storage unit are located in the same server.
The invention also provides a playing method of the audio and video clip, wherein the audio and video clip to be played is provided, and the audio and video clip to be played is marked by applying the marking method, and the playing method comprises the following steps:
step A1, providing a server, wherein the server receives a playing request sent by a terminal, and searches the corresponding audio and video clips and the corresponding label information of the audio and video clips according to the playing request;
step A2, the server forms a playing interface according to the audio and video clips and the labeling information and then sends the address of the playing interface to the terminal;
and A3, the terminal loads the playing interface according to the address and plays the audio and video clip according to the labeling information.
Preferably, when only one record is recorded in the annotation information corresponding to the audio/video clip, the step a3 includes the following steps:
step A31, the playing interface starts to play the audio and video clips at the position of the audio and video clips corresponding to the playing start time point according to the operation of the terminal;
step A32, the playing interface judges whether the current playing time point exceeds the playing ending time point, if not, the step A32 is repeated;
and A33, stopping playing the audio and video clips.
Preferably, when the tagging information corresponding to the audio/video clip has a plurality of records, the step a3 includes the following steps:
step A31, the playing interface lists all the marking information corresponding to the audio and video clips;
step A32, the playing interface selects the annotation information corresponding to the operation according to the operation of the terminal;
step A33, the playing interface obtains the playing start time point and the playing end time point corresponding to the label information;
step A34, the audio/video clip is played by the playing interface at the position of the audio/video clip corresponding to the playing start time point;
step A35, the playing interface judges whether the current playing time point exceeds the playing ending time point, if not, the step A35 is repeated;
and A36, stopping playing the audio and video clips.
Preferably, the playing interface only loads the content of the audio/video clip defined by the playing start time point and the playing end time point in the annotation information; or
And the playing interface loads all contents of the audio and video clips.
The invention also provides a retrieval method of the audio and video clips, wherein the audio and video clips to be retrieved are provided, the audio and video clips to be retrieved are labeled by the labeling method, and the retrieval method comprises the following steps:
step B1, providing a server, wherein the server receives a retrieval request corresponding to the text label from a terminal, and searches the corresponding label information in the second storage unit according to the retrieval request;
step B2, the server searches the audio and video clips corresponding to the label information in the first storage unit according to the label information;
and step B3, the server forms a retrieval result by the audio and video clips and the corresponding labeling information and sends the retrieval result to the terminal.
Preferably, an index is established for the labeling information stored in the second storage unit according to the content of the text label.
The technical scheme has the following advantages or beneficial effects: the method comprises the steps of marking a play starting time point and a play ending time point in an audio and video segment through an operation interface, and setting corresponding character marks, so that the audio and video segment can be marked without downloading, cutting, intercepting and other operations, the audio and video segment can be quickly and accurately retrieved, and a user can conveniently and quickly find the corresponding audio and video segment to play.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
FIG. 1 is a diagram illustrating steps of a labeling method according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a playing method according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating an A3 step of the playback method according to the embodiment of the present invention;
fig. 4 is a diagram illustrating another step a3 of the playback method according to the embodiment of the present invention;
FIG. 5 is a step diagram of a retrieval method according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The invention provides a method for labeling audio and video clips, wherein an audio and video clip to be labeled is provided and stored in a first storage unit, as shown in fig. 1, the method comprises the following steps:
step S1, providing an operation interface, and marking the play starting time point and the play ending time point in the audio and video clip through the operation interface;
step S2, setting a character label related to the play start time point and the play end time point through the operation interface;
and step S3, storing the storage address, the play start time point, the play end time point and the corresponding character labels of the audio and video clips as label information into a second storage unit.
In this embodiment, a user may load and display the operation interface through a terminal device, mark a play start time point and a play end time point for the audio/video clip through the operation interface, and define a paragraph in the audio/video clip through the play start time point and the play end time point, and then perform corresponding text marking on the defined paragraph through the operation interface, where the text marking may be a comment description, a type setting, and the like for the content of the paragraph. In this way, the audio and video segment to be marked can be marked into a plurality of segments with character marks on the basis of no operations of downloading, cutting, intercepting and the like.
Furthermore, the operation interface uploads the storage address, the play start time point, the play end time point and the corresponding character label of the audio/video clip as label information to the second storage unit for storage, so that the label of the audio/video clip can be realized without downloading, cutting, intercepting and other operations on the audio/video clip.
In a preferred embodiment, an editing interface is provided, and the editing interface is connected with the second storage unit;
the editing interface is used for displaying the playing starting time point, the playing ending time point and the corresponding character labels; and
the editing interface is used for receiving the modification of the user to the playing start time point and storing the modification to the second storage unit and/or
The playing end time point is modified and stored to a second storage unit, and/or
And modifying and saving the corresponding text labels to a second storage unit.
Specifically, in this embodiment, after the user stores the play start time point, the play end time point, and the corresponding text labels in the second storage unit, if the user needs to modify and/or add the play start time point and/or the play end time point and/or the corresponding text label, the user requests the second storage unit for an editing instruction through the terminal device, and after the terminal device receives the editing instruction, the editing interface can be opened to set the playing start time point, the playing end time point and the corresponding text labels to be in an editable state, so that the user can edit and update the playing start time point, the playing end time point and the corresponding text labels conveniently, and then the terminal equipment transmits the updated playing start time point, playing end time point and corresponding character labels to the second storage unit for storage.
In a preferred embodiment, the textual labels include at least a title and/or label content.
Specifically, the text label may only have a title and no label content, may only have a title content and no title, and may also have both a title and a label content. The marked content is an explanation of the paragraph content between the playing start time point and the playing end time point, and the title is a brief summary of the paragraph, so that a user can conveniently and quickly find the paragraph with the corresponding character mark in the audio/video clip according to the paragraph content and/or the title. In addition, the user can add corresponding annotation instructions, type settings and the like according to the requirements.
In a preferred embodiment, the first storage unit and the second storage unit are located in different servers; or
The first storage unit and the second storage unit are located in the same server.
Specifically, in this embodiment, the first storage unit is configured to store an audio/video clip to be marked, the second storage unit is configured to store a storage address, a play start time point, a play end time point, and a corresponding text label of the audio/video clip, and the first storage unit and the second storage unit may be respectively disposed in two different servers, or may be disposed in the same server.
The invention also provides a method for playing the audio and video clips, wherein the audio and video clips to be played are provided, the audio and video clips to be played are labeled by the above labeling method, as shown in fig. 2, the playing method comprises the following steps:
step A1, providing a server, wherein the server receives a playing request sent by a terminal, and searches corresponding audio and video clips and corresponding label information of the audio and video clips according to the playing request;
a2, the server forms a playing interface according to the audio and video clips and the labeling information and then sends the address of the playing interface to the terminal;
and step A3, the terminal loads a playing interface according to the address and plays the audio and video clips according to the labeling information.
The embodiment includes a playing method corresponding to the labeling method in the above technical solution. The terminal opens an audio and video clip requested to be played and label information corresponding to the audio and video clip, wherein the label information at least comprises a storage address, a playing start time point, a playing end time point and a corresponding character label of the audio and video clip.
Furthermore, the terminal receiving server starts playing at the playing starting time point according to a playing interface formed by the audio and video clips and the labeled information, so that a user can quickly find the interested audio and video clips to play according to the labeled information.
In a preferred embodiment, when only one record is recorded in the annotation information corresponding to the audio/video clip, as shown in fig. 3, step a3 includes the following steps:
a31, the playing interface starts to play the audio and video clip at the position of the audio and video clip corresponding to the playing start time point according to the operation of the terminal;
step A32, the playing interface judges whether the current playing time point exceeds the playing ending time point, if not, the step A32 is repeated;
and step A33, stopping playing the audio and video clips.
Specifically, when only one record is recorded in the annotation information of the audio/video clip to be played, a user operates on the playing interface through the terminal to start playing the audio/video clip to be played at the playing start time point, further judge whether the currently playing time point of the playing interface exceeds the playing end time point, and stop playing the playing interface when the currently playing time point is equal to the playing end time point.
In a preferred embodiment, when there are a plurality of records of the annotation information corresponding to the audio/video clip, as shown in fig. 4, step a3 includes the following steps:
step A31, the playing interface lists all the label information corresponding to the corresponding audio/video clip;
a32, selecting the corresponding annotation information according to the operation of the terminal by the playing interface;
step A33, the playing interface obtains the playing start time point and the playing end time point corresponding to the label information;
a34, starting playing the audio and video clips at the position of the playing interface corresponding to the playing start time point of the audio and video clips;
step A35, the playing interface judges whether the current playing time point exceeds the playing ending time point, if not, the step A35 is repeated;
and step A36, stopping playing the audio and video clips.
Specifically, the present embodiment is explained in relation to a case where there are a plurality of records in the annotation information corresponding to the audio/video clip. When the label information corresponding to the audio and video clips has a plurality of records, the playing interface lists all the label information, furthermore, the playing interface selects some label information according to the operation of a user through a terminal, and then plays the corresponding audio and video clips according to the selected label information, and then judges whether the current playing time point of the playing interface exceeds the playing ending time point or not, and when the current playing time point is equal to the playing ending time point, the playing interface stops playing.
In a preferred embodiment, the playing interface only loads the content of the audio/video clip defined by the playing start time point and the playing end time point in the annotation information; or
And the playing interface loads all contents of the audio and video clips.
Specifically, the playing method in this embodiment may be that, in addition to the audio and video clips that are labeled, audio and video clips that are not labeled may also be played, or only the audio and video clips that are labeled may be played, but the audio and video clips that are not labeled may not be played. That is, the playing interface received by the terminal in the above technical scheme can only play the contents of the audio/video clips defined by the playing start time point and the playing end time point in the annotation information or can play all the contents of the audio/video clips.
The invention also provides a retrieval method of the audio and video fragments, wherein the audio and video fragments to be retrieved are provided, the audio and video fragments to be retrieved are labeled by applying the above labeling method, as shown in fig. 5, the retrieval method comprises the following steps:
step B1, providing a server, the server receives the retrieval request of the corresponding character label sent by a terminal, and searches the corresponding label information in the second storage unit according to the retrieval request;
b2, the server searches the audio and video clips corresponding to the label information in the first storage unit according to the label information;
and step B3, the server forms a retrieval result by the audio and video clips and the corresponding labeling information and sends the retrieval result to the terminal.
In the prior art, the retrieval of the audio and video segment which is interested in the audio and video segment to be retrieved cannot be realized, for example, in a video of a teaching learning method with a duration of 60 minutes, the content of the video comprises three parts, wherein one part is a 'fast memory method of a high-efficiency learning method', only the title is the 'high-efficiency learning method', if the 'fast memory method' in the 'fast memory method of the high-efficiency learning method' is interested, the 'fast memory method' is retrieved, but the corresponding audio and video of the 'fast memory method' cannot be retrieved.
Therefore, in this embodiment, when a user needs to search for an interested audio/video segment in an audio/video segment to be searched, the terminal sends a search request of a text label corresponding to the interested audio/video segment to the server, the server searches for label information corresponding to the interested audio/video segment in the second storage unit according to the search request sent by the terminal, and then can search for the needed interested audio/video segment in the first storage unit according to the label information, and finally the server returns the interested audio/video segment needed by the user to the terminal for display.
In the embodiment, after the audio and video segment to be retrieved is labeled according to the labeling method in the technical scheme, the audio and video segment to be retrieved can be rapidly and accurately retrieved, and the utilization rate of the audio and video segment is greatly improved.
In a preferred embodiment, an index is established for the labeling information stored in the second storage unit according to the content of the text label.
Specifically, the second storage unit in the server further establishes an index for the text-labeled content according to the labeling information transmitted by the terminal, and stores the labeling information according to the corresponding index, so that a subsequent user can search interested audio/video clips according to the index and the labeling information. In this embodiment, the index includes at least the address of the audio/video segment to be retrieved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A method for labeling audio/video clips is characterized in that an audio/video clip to be labeled is provided and stored in a first storage unit, and the labeling method comprises the following steps:
step S1, providing an operation interface, and marking the playing start time point and the playing end time point in the audio and video clip through the operation interface;
step S2, setting a character label related to the playing start time point and the playing end time point through the operation interface;
and step S3, storing the storage address of the audio/video clip, the play start time point, the play end time point and the corresponding character label as label information in a second storage unit.
2. The annotation method of claim 1, wherein an editing interface is provided, the editing interface is connected to the second storage unit;
the editing interface is used for displaying the playing starting time point, the playing ending time point and the corresponding character labels; and
the editing interface is used for receiving the modification of the user to the playing starting time point and storing the modification to the second storage unit and/or
The playing ending time point is modified and stored to the second storage unit, and/or
And modifying and saving the corresponding text labels to the second storage unit.
3. The labeling method of claim 1, wherein the text label comprises at least a title and/or label content.
4. The annotation method of claim 1, wherein the first storage unit is located in a different server than the second storage unit; or
The first storage unit and the second storage unit are located in the same server.
5. A method for playing audio/video clips is characterized in that audio/video clips to be played are provided, and the audio/video clips to be played are labeled by the labeling method according to any one of claims 1 to 4, and the playing method comprises the following steps:
step A1, providing a server, wherein the server receives a playing request sent by a terminal, and searches the corresponding audio and video clips and the corresponding label information of the audio and video clips according to the playing request;
step A2, the server forms a playing interface according to the audio and video clips and the labeling information and then sends the address of the playing interface to the terminal;
and A3, the terminal loads the playing interface according to the address and plays the audio and video clip according to the labeling information.
6. The playing method of claim 5, wherein when the annotation information corresponding to the audio-video clip has only one record, the step A3 includes the following steps:
step A31, the playing interface starts to play the audio and video clips at the position of the audio and video clips corresponding to the playing start time point according to the operation of the terminal;
step A32, the playing interface judges whether the current playing time point exceeds the playing ending time point, if not, the step A32 is repeated;
and A33, stopping playing the audio and video clips.
7. The playing method of claim 5, wherein when the label information corresponding to the audio-video clip has a plurality of records, the step A3 includes the following steps:
step A31, the playing interface lists all the marking information corresponding to the audio and video clips;
step A32, the playing interface selects the annotation information corresponding to the operation according to the operation of the terminal;
step A33, the playing interface obtains the playing start time point and the playing end time point corresponding to the label information;
step A34, the audio/video clip is played by the playing interface at the position of the audio/video clip corresponding to the playing start time point;
step A35, the playing interface judges whether the current playing time point exceeds the playing ending time point, if not, the step A35 is repeated;
and A36, stopping playing the audio and video clips.
8. The playback method according to claim 6, wherein the playback interface loads only the contents of the audio/video clip defined by the playback start time point and the playback end time point in the annotation information; or
And the playing interface loads all contents of the audio and video clips.
9. A retrieval method of audio and video clips is characterized in that audio and video clips to be retrieved are provided, the audio and video clips to be retrieved are labeled by applying the labeling method as claimed in any one of claims 1 to 4, and the retrieval method comprises the following steps:
step B1, providing a server, wherein the server receives a retrieval request corresponding to the text label from a terminal, and searches the corresponding label information in the second storage unit according to the retrieval request;
step B2, the server searches the audio and video clips corresponding to the label information in the first storage unit according to the label information;
and step B3, the server forms a retrieval result by the audio and video clips and the corresponding labeling information and sends the retrieval result to the terminal.
10. The retrieval method according to claim 9, wherein an index is created for the label information stored in the second storage unit in accordance with the content of the text label.
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Application publication date: 20200925 |
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| RJ01 | Rejection of invention patent application after publication |