3.6 Multimedia/Digital MediaComponents (Audio and Video) by Francisco Oliveira

Audio

Podcasts A podcast is a series of digital media files that are released episodically and often downloaded through web syndication.

Audio Editing SoftwareIn Music, Audio editing is the process of taking recorded sound and changing it directly on the recording medium.

Examples Of Audio Editing Software

Audacity

Wavosaur

DJ Audio Editor

AudacityThis is an open source audio editor that is multiplatform. It is free and has an excelent set of tools making it one of the most popular audio editors. It is compatible with various file formats, it can record live audio and can also convert file formats.

WavosaurThis is a free audio editor and recorder and can only run on microsoft operating systems. It, like Audacity, can run almost any file format and also has a good set of tools.

DJ Audio EditorThis is a more simple editor. It can

only run basic MP3 files and has only very basic,

simplisticTools. It has a clean layout.

MIDIMusical Instrument Digital

Interface enablesElectronic musical instruments and

computers To communicate and exchange

data.

MP3This is the most popular audio

format. ThisFormat eliminates portions of the

file that are Inaudible. This allows for a

compression of About 1/10 of the original size.

MP4This format is very similar to the

MP3 with the Main difference being that this

format can alsoSupport other media such as

video.

WAVThis format is commonly used to

storeUncompressed, CD-quality files.

This means they Are quite large files (Around 10MB

per minuteof music). If the file is encoded

with various Codecs its size would decrease.

Video

Video Editing softwareVideo editing can also be called

Non LinearEditing (NLE), and is an application

softwareThat Enables people to edit videos

on acomputer.

VidcastsVidcasts are short for video

podcasts. This Describes the online delivery

videos on demand,Similarly to podcasts.

Special EffectsThe illusions used in films,

television andTheatres Used to simulate the

imagined eventsin a story are called Special

effects. These Effects can either be done on the

computer or mechanically

AVIAudio Video Interleave stores data

that can be Encoded with several different

codecs, and can Contain both video and audio data.

MPEGThis is the most common format, like

the AVIFormat, can support both video and

audio data.The audio and video tracks are

compressed Separately:

Video – MPEG-4 video encodingAudio – AAC compression

Video codecsA video codec is a software that

enables video Compression and decompression

for digital Video.

MOVThis is the QuickTime format. This

is often used On the internet, for saving movie

and video files.This format contains several

tracks, containing Video, audio, text or effects.

The End