Your SlideShare is downloading. ×
0
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Usability of Digital Radio
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Usability of Digital Radio

250

Published on

presentation of a research about usability of in vehicle digital radio

presentation of a research about usability of in vehicle digital radio

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
250
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
10
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Searching Digital Audio Broadcasting radio stations:
    Usability and safetyissues for in-vehicledevices
    1
    M.Dibitonto1, M.Camilli1.2, A.Vona1, R.Grimaldi1, F. Di Nocera1,2, C.M. Medaglia1
    1 C.A.T.T.I.D. – Sapienza University of Rome
    2 L.A.F.C. – Dept. of Psychology -Sapienza University of Rome
    CHItaly 2011
  • 2. The Remediation
    When digital technology is applied to an “old” and analogical media a lot of things changes:
    2
    CHItaly 2011
  • 7. What is DAB?
    Digital Audio Broadcasting System is a digital technology for broadcasting radio station with an high quality of service.
    DAB+ is the most recent evolution and adds new multimedia services.
    3
    CHItaly 2011
  • 8. Some data services
    CHItaly 2011
    4
    DLS
    EPG
    SLS
    iTxt
  • 9. DAB+ in Italy
    Since 2008 test RAI* is leading experimental transmissions in Italy (Rome,Venice, Bologna)
    • Test capabilities
    • 10. Test new type of contents/ format
    Contents and usability are key factors to make DAB appealing for a broad public
    5
    CHItaly 2011
  • 11. Our focus
    In Italy 15mlns (42%) of users listens to analogue radio in their cars.*
    In this context introduction of new interactive system may affect the driving performance.
    Usability, User Experience and Safety
    are key factors to correctly design DAB+ services for an in vehicle context.
    *Menduni, 2003
    6
    CHItaly 2011
  • 12. How wewillsearch a station with DAB?
    With DAB the number of radio stationswillincrease andsearchingcouldbecome a difficult task.
    DAB+ can supportserching/browsing station with:
    SL = station description
    EL = name of the Ensemble
    PT-1 = global genre of a station
    PT-2 = sub-genre
    Whichoneis the mosteffective, efficient and the best in terms of UX, usability and safety?
    7
    CHItaly 2011
  • 13. The prototype
    3.5 inch - 480x320px
    A prototypehasbeenimplemented to test differentsearchstrategies:
    name– PT1 (genre) – PT2 (sub-genre)
    8
    CHItaly 2011
  • 14. Test environment
    Driving simulator
    Eyetracker
    DAB prototype
    Vibration feedback steeringwheel
    Camera for video recording
    The test environment to simulate an in-vehicle context .
    9
    CHItaly 2011
  • 15. CHItaly 2011
    10
  • 16. 8 participants (2F – 6M, age 28.12, sd 3.18)
    A pre-test questionnaire
    A post-test questionnaire
    Analisys of eyefixations
    11
    CHItaly 2011
  • 17. Results
    Resultsshowed no significantdifference in task durationwhile the analysis of eye scanning pattern showedthatuserspendless time lookingat the receiverwhileusing the PT-2 station search.
    12
    CHItaly 2011
  • 18. Results
    Usabilityquestionnairescoresshowed a that DAB radio wasperceivedasslightly more satisfyingthan FM
    13
    CHItaly 2011
  • 19. Conclusion and future works
    DAB will deeply change radio and the way the people interact with it giving new opportunities and challenges
    With DAB the number of radio station will increase and the user will face an higher complexity
    Generally the results showed that categorization of the program could help user searching a station. It seems to be particularly useful in automotive domain where hands-free implications could be critical for user safety
    The quali-quantitative approach used showed to be a suitable method to assess the usability of DAB technology
    Future studies will be aimed at testing the reliability of these results with a larger sample of users
    14
    CHItaly 2011
  • 20. Thank you for your attention!
    Questions and (hopefully) answers.
    15
    CHItaly 2011

×