Top 100+ Synchronized Multimedia Integration Language (smil) Interview Questions And Answers
Question 1. What Is Smil?
Answer :
SMIL stands for Synchronized Multimedia Integration Language.
SMIL is an XML-based totally language which allows to write down interactive multimedia presentations.
It is easy to explain the format on spatial format.
It has features to set the timings of the presentation.
The shows can be synchronized with a particular time.
Question 2. What Is The Use Of Smil?
Answer :
SMIL is used for the following purposes:
To create net displays.
To represent displays with multiple record types.
Many files can displayed on the equal time.
Multiple internet servers can display SMIL shows
SMIL contains action button to manipulate the shows.
SMIL has functions to set the length and the sequence of the presentation.
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Question three. Give An Example Of Smil File?
Answer :
SMIL documents are written the usage of a textual content editor.
A compatible SMIL player is needed which include Ambulant Player.
SMIL have <head>, <body> and <layout> tags.
<layout> tag is used specify the dimensions and historical past colour of the presentation.
Following code snippet is an instance of SMIL:
<head>
<layout>
<topLayout width="640px" height="480px" backgroundColor="#FFFFFF"
open="whenActive" close="whenNotActive"/>
</layout>
</head>
Question 4. Explain About Smil Code Writing In Html?
Answer :
The HTML+SMIL profile permits to combine a subset of SMIL specification with HTML.
It has SMIL modules for supporting animation, objects, content material manipulate, and timing.
SMIL features are without delay included with HTML and CSS.
SMIL can be used to govern HTML and CSS capabilities.
SMIL modules may be applied the usage of file definition and / or schema
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Question five. How To Add References In Smil?
Answer :
A time namespace must be described to use SMIL in HTML.
The method is:
Add <?Import> element in <HTML> tag definition to feature time name space.
Define a ‘time’ elegance to add SMIL attributes to conventional HTML factors.
This is completed via <html xmlns:time="urn:schemas-microsoft-com:time">
To define the elegance "time" add a <style> element.
This is completed by means of
<head>
<?Import namespace="time" implementation="#default#time2">
<style>.Time conduct: url(#default#time2)</style>
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Question 6. How To Add Smil Elements?
Answer :
Add a prefix and sophistication characteristic to the SMIL factors.
This executes SMIL presentation in HTML.
Following example carry out the venture:
<time:seq repeatCount="indefinite">
<img class="time" src="image1.Jpg" dur="3s" />
<img class="time" src="image2.Jpg" dur="3s" />
</time:seq>
Question 7. Explain About Xhtml + Smil?
Answer :
The integration of XHTML and SMIL allows to put in writing legitimate XHTML code.
Timing, animation, transition can be delivered to the web pages.
The layout functionality is furnished by way of XHTML / CSS
The linking module functionality is supplied through XHTML
The XHTML is the host language for providing shape module for SMIL.
Meta facts is likewise available with XHTML.
The above modules are included by way of XHTML in SMIL.
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Question 8. What Is Use Of Clipbegin And Clipend?
Answer :
Internal timing marks to playback start and quit is unique by clipBegin and clipEnd attributes of a clip.
These attributes permits to play part of a clip which has an internal timeline, like video/audio.
Static or group clips will no longer be effected by means of clipBegin and clipEnd attributes.
Following is an instance :
<video src="myvideo.Rm" clipBegin="10s" clipEnd="50s"/>
In the above instance, the clip starts playing at 10 second mark and ends whilst it reaches 50 seconds. The total play is for 40 seconds.
Question 9. How To Specify The Duration?
Answer :
The dur characteristic is used to specify the time span for the clip / image.
Following example plays the clip for 40 seconds.<video src="myvideo.Rm" dur="40s"/>
When the length of the video is much less than forty seconds, the ultimate frame of the video seems frozen on the display, till the duration elapses.
The length may be unique by means of wide variety of minutes additionally.
Following example specifies the photograph to seem for five minutes onscreen.
<img src="myimage.Gif" dur="5min"/>
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Question 10. List The Smil Timing Elements And Attributes?
Answer :
SMIL timing Elements:
<excl> Specifies factors that are to be completely displayed
<par> Specifies factors that are to be displayed in parallel
<seq> Specifies factors that are to be displayed in a sequence
SMIL timing Attributes:
begin - Specifies the postpone earlier than the display of the element
dur - Specifies the length for the show
endsync - Synchronizes the stopping of parallel factors
repeatCount - Specifies the wide variety of repetitions for the display
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Question 11. What Are The Media Elements In Smil?
Answer :
Following are the SMIL Media Elements:
<animation> - Element for an animation
<audio> - Element for an audio clip
<brush> - Element for a broom
<img> - Element for an photo
<param> - Element for a parameter
<ref> - Element for a regular media reference
<text> - Element for a textual content
<textstream> - Element for a textstream
<video> - Element for a video
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Question 12. What Is Transition Effect?
Answer :
Time transition happens, as soon as the clip starts offevolved or stops gambling.
The clip appears while it begins gambling, even as not the use of trasition impact.
Based at the fill attribute, it disappears while the clip stops playing.
Transition consequences makes the transition visually compels.
The clip might also fade from a stable coloration.
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Question 13. Describe About Transition Effects And Timelines?
Answer :
By default, each transition lasts for one 2nd of time.
Transition can closing for a fixed duration of time, by way of the usage of transition timelines.
The effects are not carried out to the presentation timeline.
The transition could effect the timeline, if it's far implemented to the start of the clip.
A 5-second transition would not be effected, if the clip takes place over the last 5 seconds time.
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Question 14. Describe About Transition Effects And Layouts?
Answer :
The transition consequences may be carried out to any visual clip no matter the format.
The location that is included during a clip’s play is dealt with as its background.
The background may be a area shade or clip in every other area or a clip inside the current vicinity.
The transition effect introduces the clip over, or eliminates the clip from its historical past.
Hence, all the clips may not be the equal length.
Question 15. Explain About Transition Effects And Animations?
Answer :
Transitions are specific from SMIL animations.
Transition impact occurs whilst a clip begins or stops.
Animation effects at the same time as a clip plays.
Same presentation can have each transition and animations.
Both transition and animation can be implemented to the identical clip. The definitions of them are separate.
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Question 16. List The Media Attributes Of Smil?
Answer :
Every SMIL document, each object have to be blanketed with a reference URL from src characteristic.
The attribute type defines the media type.
Erase - Specifies the conduct of the detail after of entirety of timing.
Src - Specifies the source of a media item.
Type - Specifies the form of the media.
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Question 17. What Is <audio> Element In Smil?
Answer :
The <audio> element defines a selected reference for an audio item.
Following example illustrates the element:
<html xmlns:t="urn:schemas-microsoft-com:time">
<head>
<?Import namespace="t" implementation="#default#time2">
</head>
<body>
<t:audio src="dance.Wav" repeatCount="indefinite" type="wav" />
</body>
</html>
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Question 18. What Is <video> Element In Smil?
Answer :
The <video> detail defines a specific reference for a video item.
Following example illustrates the detail:
<html xmlns:t="urn:schemas-microsoft-com:time">
<head>
<?Import namespace="t" implementation="#default#time2">
</head>
<body>
<t:video src="http://www.Mysite.Com/about/vap_windows_check.Wmv"
repeatCount="indefinite" type="wmv" />
</body>
</html>
**** In the src characteristic specify any website name.
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Question 19. Why Are The Fines So High In Smil?
Answer :
Fines are supposed as an incentive so as to deliver things lower back to us in time, now not due to the fact we truly suppose the object is all that valuable, however because there can be a category of 30 college students waiting impatiently for the item to reveal up.
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Question 20. Can I Use My Own Material In Smil?
Answer :
No trouble. We'll mortgage you a pair of headphones if you need them. There is a hassle with the use of your own CD-ROMs on the multimedia machines, although. We can't allow this because the software program usually requires some set up at the hard power.
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Question 21. Can I Edit A Smil File Created By Preview Navigator?
Answer :
You can edit a SMIL report created through Preview Navigator. By the usage of SMIL Scenario Creator, you could trade the scale and/or function of main video and/or listed photo sequence, and you may add other media to a SMIL document created by way of Preview Navigator. However, you can't reorganize RealPix record (indexed pics, button snap shots) and RealText file (timecode, captions); you want to apply Preview Navigator Trimmer for that motive.
Question 22. Can I Arrange A Multichannel Live Streaming?
Answer :
You can set up multichannel stay streaming. You want to create a format for multichannel by means of SMIL Scenario Creator, and specify move names through RealServer as document names. You can experience the multichannel live streaming very without problems.
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Question 23. How Can I Play A Smil File?
Answer :
You can play a SMIL record by using the RealPlayer.
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Question 24. How Can I Stream A Smil File?
Answer :
You can circulation a SMIL file thru RealServer. You ought to upload a created SMIL report on RealServer, and in participant side, for example, you have to enter a region such as "rtsp://server.Org/smil/sample.Smi", then you could play a streaming SMIL document.
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Question 25. Can I Play A Smil File On Windows Media Player?
Answer :
Windows Media Player does now not guide SMIL. Currently RealPlayer and QuickTime Player can play a SMIL record.
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Question 26. How Do You Implement Push With Flex Data Services?
Answer :
Using Blaze DS Server & LCDS
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Question 27. What Are The Methods Called When A Ui Component Is Intialized?
Answer :
All additives dispatch the subsequent activities that allow you to specify ActionScript to initialize a factor:
preInitialize: Dispatched whilst a element has been created in a tough nation, and no youngsters have been created.
Initialize: Dispatched whilst a factor and all its children have been created, however before the component size has been decided.
CreationComplete: Dispatched whilst the aspect has been laid out and the aspect is seen (if suitable).
MULTIMEDIA Interview Questions
Question 28. Can You Write To The File System From Flex?
Answer :
import flash.Filesystem.*;
personal var circulation:FileStream;
personal function saveFile():void
var file:File = File.DesktopDirectory.ResolvePath("HelloWorld.Txt");
var movement:FileStream = new FileStream()
stream.Open(file, FileMode.WRITE);
var str:String = "Congratulations to your 1st record, Rich Tretola - EverythingFlex.Com";
flow.WriteUTFBytes(str);
movement.Close();
mx.Controls.Alert.Show("File has been stored to " + file.NativePath, "Notice");
Question 29. What Is A Drag Manager In Adobe Flex Actionscript?
Answer :
The Flex Drag and Drop Manager lets you pick out an item, along with an item in a List manage, or a Flex manipulate, consisting of an Image manage, and then drag it over some other factor to add it to that issue.
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Question 30. How Do We Call Javascript From Flex Actionscript?
Answer :
Using the ExternalInterface API to get right of entry to JavaScript from Flex and Using the navigateToURL() method in Flex. The navigateToURL() approach is inside the flash.Internet package
flash.Outside.ExternalInterface.Call(function_name:String[, arg1, ...]):Object;
navigateToURL(request:URLRequest, window:String):void
