MP3 EVALUATION

INTRODUCTION

The student needs to play a single track by an artist by using MP3 player or Apple iPod Nano as the gadget. The students choose the MP3 player as their gadget. They must show the step how to use the MP3 player from switch on until switch off the gadget. They also required evaluating the usability of the gadget by using Ben Schneiderman’s 8 golden rules of interface design as guidelines.

PRINT SCREEN OF THE PROCESSES


Press the right button OPTION to switch on the MP3 Player


STEP 2:


To hear the song, the users need to plug in the earphones or headphones.


Choose the music symbol by press the PLAY button




 

STEP 4:


 The list of songs will appears when user press PLAY button ones.

STEP 5:


The user can select the song that they want to listen by press the UP and DOWN botton.


STEP 6:


When the user want to play the song selected, they just need to press the PLAY button.





The user can adjust the sound volume by using the volume adjustment button provided.

STEP 8:


Press the ( + )symbol button to volume up the MP3 player sound and press ( - ) symbol button to volume down the MP3 player sound based on the user like.


STEP 9:


If the users do not want to listen the song, they must plug out the ear phone and head phone first.


After plug out the ear phone and head phone, press the OPTION button for a few second to switch off the MP3 player.




STEP-BY-STEP INSTRUCTION TO THE TARGET USER

1.    Switch ON the MP3 player
2.    Plug in the ear phone or head phone
3.    Choose the MUSIC icon and press the PLAY button to view the song track.
4.    Choose the song they want to listen by using UP and DOWN button provided.
5.    To play the selected song just need to press the PLAY button ones again.
6.    To adjust the gadget volume the user can use the volume adjustment button provided.
7.    (+) symbol for volume up and (-) for volume down
8.    Plug out the ear phone or headphone if do not want to use the gadget.
9.    Press the OPTION button to switch of the gadget



FINDING OF THE EVALUATION WITH REGARDS TO THE BEN SCHNEIDERMAN’S 8 GOLDEN RULES OF INTERFACE DESIGN GUIDELINES

This gadget use consistent sequences of actions should be required in similar situations and use a familiar icon and symbol to navigate the user.

2 Enable frequent users to use shortcuts.
The interface of this gadget is too simple and this gadget not provides any short cut command. So, the expert user will feel comfortable to use this gadget. Novice user also can use this gadget easily if they understand the icons and the symbols provided.

3 Offer informative feedback.
The MP3 player informed their user by using visual approach such as when the user press the button volume up the visual of the volume range will appear on screen.

4 Design dialog to yield closure.
When the user switch on the gadget, the home screen of the gadget will appear which means that the user can use the gadget. If the battery weak the signal of text will appear that inform the user to recharge a battery. The image below will appear when the user switches off the gadget.


5 Offer simple error handling.
This gadget not provides any error handling because it will provide a signal only when the song file unsupported and the battery is empty.

The back button is provided at this gadget interface that allows the user’s to go the previous action or screen.

The user can handle this gadget with their own needs because the attire song tracks are stored inside the SD card. So, the user can manage what kind of song they want and do not want to listen.

8 Reduce short-term memory load.
The using of the icons and symbols in this gadget help the user to use the gadget easily without need to read the instruction. It is because the gadget us the simple and familiar icons and symbol that recently used for gadget interface.

REFLECTION

The student learnt how to use the MP3 player and know what kind of the characteristics of the good interface for gadget. The student also enable to tell the others user the step to use the MP3 player clearly by using screen shot image and the text of instruction.

CONCLUSION

The MP3 player interface is a good interface based on the Ben Schneiderman’s 8 Golden Rules of Interface Design Guidelines. It is because it us a simple interface design that convenient to every range of user target.

REFERENCE

Anon, (2004) Ben Schneiderman’s 8 Golden Rules Of Interface Design Guidelines[ONLINE] Available from http://www.washington.edu [ 17 May 2015]


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