textures, to the objects.
Render you can further enhance the animations by adding special effects such as
__
morphing and warping ___is a technique by which you can blend two or more images to form a
new image
Morphing
___is a technique of distorting a single image to represent something else. Warping
Sound and video is recorded and played back as an ___ signal. analog
You have to convert the video signal into a digital format before including it in a
multimedia application
Elements such as __,___ and ___ determine the size of the video files frame rate, image size, and color
depth
reducing ___to less than 256 colours results in the image looking murky color depth
reducing the ___to less than 15 frames per second causes the video to look jerky
frame count
You can also reduce the size of videos by ___them. compressing
__is a technique by which a recurring set of information is identified and replaced by a single piece of information.
Compression
There are two types of video compressions: Lossless and lossy
__retains the exact image throughout the compression. Lossless compression
___provides a comparatively higher ratio of compression but results in some loss of quality
Lossy compression some additional hardware and high resolution monitors would greatly
enhance the effectiveness of using ___
multimedia.
____ format offer good compression and high quality mp3/mpeg
Special software as___would help in VIEWING the multimedia presentations
Windows Media Player Some commercial multimedia content development software to create
multimedia content are:
Flash, Dreamweaver and Maya
Sounds and video in multimedia applications can be played ___ or by ___ „Inline‟ or using „Helper‟
When sound or video is included as part of a web page, then it is called inline sound or video
The disadvantage of using ___is that it plays automatically
whenever the web page loads without giving the viewer any control
inline sound or video
You can add inline sound to a web page by using the __ and __ tags <bgsound> and <img> tags
A helper application, also called as a ___ Plug-in
___ is a program that can be launched by the browser to “help” play sound or video
Helper application or plug-in The advantage of using ___is that you can allow the viewer control some or
all of the player settings. The viewer can control volume settings, rewind, play, pause, and stop the sound or the video.
helper applications
Helper applications can be launched using the ___ __ or __tags <embed>, <applet>, <object>
If you include a hyperlink to a media file, the browser will load a helper application, such as ___, to play the file
Window Media Player
Files with _____elements tend to be very heavy. multimedia
A 5-second audio file can be as heavy as ___ 1MB
36
Different Types of Formats (with explanation)
FORMAT FULL FORM DEVELOPED BY YEAR EXTENSION FORMAT
TYPE
MIDI files Musical Instrument Digital Interface
1982 .mid or .midi Digital notes
MIDI format is one that is commonly used for transferring music information between electronic music
devices like synthesizers and sound cards in computers
is a very flexible format that can be used for a wide range of musical applications
cannot contain sounds - it contains only digital notes. So it is relatively light weight
a MIDI file that plays for approximately 5 minutes may be only 25 KB.
is supported by most of the popular softwares in the market including all popular browsers.
RealAudio/ RealVideo
RealNetworks 1995 .rm or .ram Sound/ Video
Is more popular for transfer of data over the Internet
Allows you to stream files even over Internet connections with low bandwidths.
However, the quality of these transmissions is often poor.
AU Format Audio Sun Microsystems .au Sound
is supported by most of the popular softwares in the market across different platforms.
AIFF Audio Interchange File Format Apple aif or .aiff. Sound
SND Sound format Apple .snd Sound
AIFF and SND are not very popular formats as they are neither cross-platform nor supported by all web
browsers.
WAVE IBM and Microsoft .wav Sound
It is one of the more popular formats as it is not only supported by all computers running the Windows
operating system, but also by all popular web browsers.
MP3/MPEG Moving Pictures Experts Group Audio: .mp3, or. mpga Video: .mpg or .mpeg
Sound/ Video
The main reason for the popularity of these formats is that they offer good compression and high quality.
They are also cross-platform and supported by most popular web browsers.
AVI Audio Video Interleave Microsoft 1992 .avi Video
It is supported by all computers running the Windows operating systems and by most of the popular
browsers. It is a very common format on the Internet.
Windows Media
Windows Media Video Microsoft .wmv Video
It is also one of the very popular formats on the Internet and on computers with the Windows operating
system. This format requires the installation of an additional component in non-Windows computers.
QuickTime Apple .mov Video
It is a popular format on the Internet but requires the installation of an additional component
Shockwave Macromedia .swf Video
used to store multimedia components created using FLASH
This format requires an extra component to play. However, this additional component comes preinstalled
37
CHAPTER 9: PRESENTATION IMPORTANT TWO MARKS QUESTIONS
List the features of star office impress
o StarOffice Impress is the StarOffice application that allows you create attractive and professional- looking presentations.
o you can include a variety of items such as text, audio, hand-drawn images and videos.
o You can enhance the appearance of the presentation by inserting charts and tables, adding background images, slide animation and transition effect
o It provides various tools that allow you to save and modify presentations, print them as handouts, and view presentations as slide shows or HTML pages.
How to insert, delete rename slide in presentation
o To insert a slide, click the Slide button in the Presentation toolbar or choose Insert->Slide from the menu bar. The new slide uses the page layout of the previous slide.
o If you want to delete a slide, select the slide, which you want to delete in the Slides Pane and press
Delete key or right click on the slide, and choose Delete Slide.
o To rename a slide, select the slide, which you want to rename and choose Slide ->Rename Slide or right click on the slide and choose Rename Slide.
How to change slide background?
You can change the background color or the background fill of the current slide or all of the slides in your document. Choose Format ->Page -> Background. Select the background fill from the following options.
Color Gradient Hatching Bitmap Image.
What is slide transition?
o Slide Transition displays various transition effects that can be attached to a slide along with other options
that allow you to control the transition of the slides.
o You can have a different transition for each slide in the presentation. What is meant by custom animation?
Custom Animation page displays various options that allow you to add or modify animation effects to
elements of a slide.
What is the use of master page in presentation?
Master Page can be used to specify basic background information that needs to be included in all the slides.
For example, you can insert a company logo to the master slide and it will appear in all the slides. Explain how to create a custom slide show
o Choose Slide Show -> Custom Slide Shows, and then click New. o Enter a name for your slide show in the Name box.
o Under Existing Slides, select the slides you want to add to your slide show, and click the >> button. Hold down Shift to select a range of slides, or Ctrl to select multiple slides.
o You can change the order of the slides in your custom slide show, by dragging and dropping the slides under Selected Slides.
o Click Ok.
What is ‘Rehearse timing’?
StarOffice assists you in defining the right rehearse timings for automatic slide changes. StarOffice records the display time for each slide, so the next time you play the show with automatic slide changes, the timing will be as recorded.
How will you record a show with rehearse timings?
To record a show with rehearse timings:
• Open a presentation, and switch to Normal View.
• Start the show with the Rehearse Timings from Slide Show menu. You see the first slide and a timer
in the bottom left corner
• When it is time to advance to the next slide, click the timer. Continue for all slides in your presentation. • StarOffice has recorded the display time for each slide.
• If you want the whole presentation to auto-repeat, open the menu Slide Show -> Slide Show Settings. A slide show window appears