The document explains file formats, specifying how information is encoded for storage in digital files. It covers various types of audio, image, and video file formats including .wav, .mp3, .gif, .png, .jpeg, and .mpeg. Each format is described in terms of its characteristics and usage, highlighting their compatibility and compression features.

1. MULTIMEDIA
Presented by…
MULTIMEDIA DATA &
FILE FORMATS
NIKETA JAIN

2. FILE FORMATS
A file format is a standard way that
information is encoded for storage in a
computer file.
 It specifies how bits are used to encode
information in a digital storage medium.
For Example-image file format , video file
format , text file format , audio file format.

3. AUDIO FILE FORMAT
An audio file format is a format for storing audio
data on a computer .
Its used for a audio playback for different tools and
program such as the computer,mp3players,cdplayers,
another.

4. TYPES OF AUDIO FORMATS
->Wave Format(.Wav)was the standard audio files for
Windows 95.
->Music Instrument Digital Interface(.MIDI)files
transmit digital data such as the pitch and intensity
of musical notes to play.
->Mp3(.Mp3)files are common for playing music on
digital audio player.
->Window Media Audio(.WMA)files are similar to
Mp3 files but can compress at a higher rate.

5. IMAGE FILE FORMAT
Image file format are standardized means of organizing and
storing digital images.
GIF-
1-stands for Graphic Interchange
Format.
2-Support 8-bit colors.
3-supported by all the browser.
4- Large file size.
5-Extension is .gif.

6. PNG- 1-Stands for Portable Network Graphics.
2-Support for 24-bit color.
3-not supported by all browser.
4-Smaller File size as compared to GIF
and JPEG.
5-Extension is . png.
JPEG-
1-Stands for Joint Photographic
Expert Group.
2-Support 24-bit colors.
3-Supported by all browser
4-Smaller file size as compared to gif.
5-Extension is .jpg or .jpeg.

7. Video File Format
video file format is consist of two ways:
->Analog
->Digital
Example:
->MPEG ->MOV
->AVI ->WMV
->SWF >Real Video

8. MPEG -
1-stands for Motion Picture Expert Group.
2-MPEG files are also a common format for
digital videos and movies.
3-It uses the filename extension of .mpg or
.mpeg.
4-latest MPEG version ,MPEG , uses the
.mp4 filename extension.
MOV- 1-stands for Quick Time Movie
2-Quick Time Movie uses the .mov
filename extension.
3-.qt filename extension used as an
alternative.
And other AVI(AUDIO/VODEO INTERLEAVE.).