Ganett Chart planning DRAFT

Ganett Chart

New Terms relating to audio files

New Terms relating to audio files

You should be able to define the following terms on your blog.

Stereo- Sound that is directed through two or more speakers so that it seems to surround the listener and to come from more than one source; stereophonic sound

Channel- Direct toward a particular end or object: "advertisers channel money into radio".  

Track- The soundtrack of a film or video

Frequency- The rate at which something occurs or is repeated over a particular period of time or in a given sample

Hertz- A unit of measurement of frequency

Decibel- A unit used to measure the intensity of a sound or the power level of an electrical signal by comparing it with a given level on a logarithmic scale

Wav- WAVE or WAV, short for Waveform Audio File Format, (rarely also named Audio for Windows) is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs

Mp3- A streamed audio file using this MPEG layer

 aiff- Audio Interchange File Format (AIFF) is an audio file format standard used for storing sound data for personal computers and other electronic audio devices

Data Compression

1) What is Data Compression?
Data Compression is the process of encoding information using fewer bits than the original representation would use.

2) What is Data Compression Ratio?
Data Compression Ratio is Compressed size over uncompressed size.

3) Why is Data Compression an important technique for the online world?
Data compression is important for storing information digitally on computer disks and in transmitting it over communication networks.

4) What is the difference between Lossy and Lossless Data Compression?
http://www.noupe.com/design/everything-you-need-to-know-about-image-compression.html