designing new music interac0on enhancing sound...

Ju young Shin

Sungkyunkwan Univ. Dept.ofHumanICTConvergence

DesigningNewMusicinterac0onenhancingsoundaffordance

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•  Introduc0on•  ProjectGoal•  RelatedWork•  StudyingGestures•  User-Centereddesign•  Conclusion&FutureWork

Outline

Introduction

•  OrdinarypeoplehavedevelopedaninterestinDJing(diskjockeying)

•  CompanieshavereleasedvariousDJingapplica8onsfornovices-Sensorsandtechnologyembeddedinasmartphonecanperform

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Introduction

•  Difficultforordinaryuserstousewithoutprofessionalknowledgeormanuals

•  Findaneffec8veinterac8onmethodforordinaryuserswhowanttomixsounds.

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Project Goal

•  Focusesuitableinterac0onformusicmixing

-Musicmixing:crea0onofnewmusicbyoverlappingtwoormoremusicalperformances

-basicmixingequipment:twoturntables,onemixer,andseveralrecordsarerequired

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Related Work

•  SoundBounce(Dahl.L,2010)

• Source:Dahl, L., & Wang, G. “Soundbounce:Physicalmetaphorsindesigningmobilemusicperformance.”

-Controlsasynthesizerwhenamo0onsuchashitorthrow-Usingtheaccelerometerandcompasssensor

“hit”gesture Throwingasound

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Related Work

•  MoBall(Rasamimanana.N,2011)

• Source:Rasamimanana,N.,Bevilacqua,F.,Schnell,N.,Guedy,F.,Flety,E.,Maestracci,C.,...&Petrevski,U.“Modularmusicalobjectstowardsembodiedcontrolofdigitalmusic”

-Tangibleinterac0onballwithwhichparametersofmusicarechangedaccordingtoac8on/mo8on-Changesmusicaccordingtousermovement

“hit”gesture UsingMoball

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Studying Gestures

•  ThegesturescanbedividedthreetypesonSmartphone

-Touchgesture-Mo0ongesture-Touch-mo0ongesture

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Studying Gestures

Tap Double tap Drag Flick

Touch screen with finger

Touch screen twice with finger

Move finger over Screen

Brush screen with finger

Pinch Spread Press Press and tap

Touch screen with two fingers and bring them closer

Touch screen with two fingers and further away

Touch screen and hold Touch screen and hold with two fingers, one finger touch

•  TouchGesture-Afingercontactorrubonadevice’stouchpane

• Source:Villamor, C., Willis, D., & Wroblewski, L. “Touch gesture reference guide“

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Studying Gestures

•  Mo8onGesture-Aphysicalchangebyusingvarioussensorsembeddedinasmartphone

Tilt Flick Push - pull Twist

Tilt the device left, right, up, down

Move quikly the device left, right, up, down and return

Push or pull the device toward their body

Turn the device in another direction

• Source:Ruiz, J., Li, Y., & Lank, E. “User-Defined Motion Gestures for Mobile Interaction”

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Studying Gestures

•  Touch-Mo8onGesture-Touch-gestureandmo0on-gesturearecombined-Canbeeffec0velyusedwhenexecu0ngaspecialfunc0on

• Source:Hinckley, K., & Song, H. “Sensor synaesthesia: touch in motion, and motion in touch”

Ex.Tiltup/downwiletouchingabu^on

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User-Centered design

•  FirstExperiment:Survey-Todeterminetheneedsofordinaryusersformixing-Discoverthefeatureeffectforsoundmixing

•  SecondExperiment:Par8cipatoryDesign-5Taskaboutsoundmixingeffects-Par0cipantswereaskedtoexpressthegesturecametomindwithoutlimita8on.-Recordedtheac0onsandwordsofpar0cipantsandgatheredthequalita0veresult.

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User-Centered design

•  ThirdExperiment:DesignprototypeUsertest-Toimplementapplica0onconsideringnewinterac0ondesignelements-Conductusabilitytes0ng–3TypesA-Type:TouchOnlyB-Type:Touch+Mo0on

C-Type:Mo0onOnly-“Itera0veUserInterfaceDesign”–JakobNielsen1)Easeofopera0on2)Efficienttouse3)Pleasanttouse

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User-Centered design - Result

•  Surveyresult-Fivefeatureeffectsappearing-datafromatotalof38people

Effect Descrip8on

Crossfader Afunc0onthatcontrolsthechannel(music)comingoutfromthetwosides.

Loop Afunc0onthatenablesaplayertosaveapar0cularselec0onofmusicandreplayit.

Flanger Aneffectisprovidedbyinser0nga0nydelayinsound.

Scratch Aneffectofdamagingbeatsar0ficially.

VCF Acut-offeffectforapar0cularselec0onofsound.(Expertscallitasteppingsound.)

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•  Par8cipatoryDesignresult-UIDesigner&engineer(19par0cipants).-Ques0on:“isthereanygestureyoucanthinkofagerlisteningtothiseffect?”-Answered:“Thereisagesturethatcomestomind,”-Expressedthefivesoundeffectssuccessfully.

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•  Par8cipatoryresult-Effect:CrossfaderNumber of Responses

Gesture Type

Image Description

5 or more Motion

A tilt to the down & up.

3 or more

Motion

A Flick to the up & down.

Touch

Tap left & right sides in turn.

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•  Par8cipatoryresult-Effect:LoopNumber of Responses

Gesture Type

Image Description

5 or more Touch

Tap according to the beats.

3 or more

Touch

Draw a circle.

Motion

A Flick to the up & down.

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•  Par8cipatoryresult-Effect:FlangerNumber of Responses

Gesture Type Image Description

5 or more Touch

Pinch & Spread

Less than 3

Touch

A drag to the Up & Down

Touch

Touch and hold a few seconds

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•  Par8cipatoryresult-Effect:ScratchNumber of Responses


5 or more Touch

Flick to up & down

Less than 3

Motion

Shake the device

Touch

Draw a circle

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•  Par8cipatoryresult-Effect:VCFNumber of Responses


5 or more Touch

Place hand & cover the device screen

3 or more Touch

Rotate the device 180 degrees

Less than 3 Touch

Push-pull motion that pulls/pull toward the user

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•  InterfaceDesign

4

2

3 1

1. A-type : Touch only

1 Crossfader-SwipeBujon

2 Scratch-SwipeDisk

3 Loop-TouchBujon

4 Effect(VCF,Flanger)-TouchBujon


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•  InterfaceDesign

2

3 1

2. B-type : Touch + Motion

1 Crossfader-SwipeBujon

2 Scratch-SwipeDisk

3 Loop-TouchBujon

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Effect(VCF,Flanger)-VCF:MovesUpanddown-Flanger:Drawfigure“8”

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•  InterfaceDesign2. B-type : Touch + Motion

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Crossfader-Tiltleg&rightLoop-FlipUp&DownScratch-TiltUp&DownEffect(VCF,Flanger)-VCF:MovesUpanddown-Flanger:Drawfigure“8”

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•  Usertestoverview-focusesonusabilityastheques0onofhowwelluserscanusethatfunc0onality

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TestObjectComparisonofusabilityforsoundmixingprototypesDefineusabilityinthreequalityajributes(Easeofopera0on,Efficienttouse,Pleasanttouse)

Method Taskanalysis&interview-usesmartphone

Target7smartphoneusers-Ageof20~30,priorexamina0onof4user,uidesigner2,engineer1)

Period 2015.10.10~2015.10.13,a0meof30min


•  Usertestoverview

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•  Usertest-measuredvalues

-measuredwithques0onnairesandra0ngscales-scalefrom1(poor)to5(excellent)

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No. Values Ques0on

1 Easeofopera0on Intheuseofagivenprototype,Dohaveacomfortable?

2 Efficienttouse(Intui0ve)

Howmuchofthevarianceinsoundmixingprototypeefficienttouse?

3 Pleasanttouse Howmuchofthevarianceinsoundmixingprototypesa0sfac0on?

4 Comparisonofinterface What'sbejerinterfaceA,B,C-Type?

5 Pleasewritefreelytohopethatimprovement.


•  Usertest–Result&Analysis-Easeofopera0on-AType/72%(5User),BType/42%(3user)-A(Touch),B(Touch+Mo0on)iseaseofopera0on

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Value ScaleA-type B-Type C-Type

respondent Ra0o(%) respondent Ra0o(%) respondent Ra0o(%)

Easeofopera0on

1 0 0% 0 0% 0 0%2 0 0% 0 0% 2 28%3 1 14% 1 14% 4 57%4 1 14% 3 42% 0 0

5 5 72% 3 42% 1 14%


•  Usertest–Result&Analysis-Efficienttouse-AType/57%(4User)-A(Touch)isefficienttouse

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Efficienttouse

1 0 0% 0 0% 0 0%2 0 0% 0 0% 2 28%3 0 0% 2 28% 3 42%4 3 43% 3 42% 1 14

5 4 57% 2 28% 1 14%


•  Usertest–Result&Analysis-Pleasanttouse-AType/85%(6User)-A(Touch)isPleasanttouse

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Pleasanttouse

1 0 0% 0 0% 0 0%2 0 0% 0 0% 2 28%3 1 14% 4 57% 1 14%4 0 0% 1 14% 4 57%5 6 85% 2 28% 0 0%


•  Usertest–Result&Analysis-ComparisonofinterfaceusabilityA,B,CType

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0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

A-Type(Touch)

B-Type(Touch+Mo0on)

C-Type(Mo0on)

Easeofopera0on Efficienttouse Pleasanttouse Bestinterface

A-Type(Touch)

B-Type(Touch+Mo0on)

C-Type(Mo0on)

Conclusion

•  Qualita8veuserfeedback

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-Mainlyinterestedinuserfeedbackthatprovidedgreatinsightsintohowtheinterac0onfelt-TouchbasedUIwasveryposi0velyassessed-par0cipantsalsoindicatedthattheTouch+Mo0onbasedUIsome0mesfeltinteres0ngwhensoundmixing-But,themo0on+touch-basedUIwasingeneraldescribedascomplicatedand0resome,asitrequiredmorephysicaleffortcomparedtothetouchgesturetechniques.-Par0cipantsexplainedthattheydidnotliketheonlyMo0on-based.becauseitwastoocomplicatedtocoordinate0l0ng,drawing

Conclusion

•  Easyandintui8veinterac8onisrequired-Wewantedtofindouthowuserswouldenjoyandassess3typegestureusingtheexampleofsoundmixingsystem-Describedthreedifferentsoundmixingmodali0es(1)ATouchonlyUI,(2)ATouch+Mo0ononlyUI,and(3)onlymo0ongesturesonamodernsmartphone.-ThesegestureweredesignedbyPar0cipatorydesignmethod-Thesetechniques(3typeUI)weretestedinauserstudywithsevenpar0cipants.-Touchgesture,touch-mo0onwasassessedveryposi0velybythepar0cipants-Theseresultsareencouragingforfurtheradvancingsoundmixing-supportedtechniques

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Thank you

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[12] Villamor, C., Willis, D., & Wroblewski, L. (2010). Touch gesture reference guide. Touch Gesture Reference Guide. [13] Joselli, M., & Clua, E. (2009, October). grmobile: A framework for touch and accelerometer gesture recognition for mobile games. In Games and Digital Entertainment (SBGAMES), 2009 VIII Brazilian Symposium on (pp. 141-150). IEEE. [14] Hinckley, K., & Song, H. (2011, May). Sensor synaesthesia: touch in motion, and motion in touch. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (pp. 801-810). ACM. [15] Hinrichs, U., & Carpendale, S. (2011, May). Gestures in the wild: studying multi-touch gesture sequences on interactive tabletop exhibits. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (pp. 3023-3032). ACM. [16] Shin, D. H. (2012). 3DTV as a social platform for communication and interaction. Information Technology & People, 25(1), 55-80. [17] Izhaki, R. (2013). Mixing audio: concepts, practices and tools. Taylor & Francis. [18] Radkowski, R., & Stritzke, C. (2012, January). Interactive hand gesture-based assembly for augmented reality applications. In ACHI 2012, The Fifth International Conference on Advances in Computer-Human Interactions (pp. 303-308). [19] Steventon, J. (2014). DJing for dummies. John Wiley & Sons. [20] Ruiz, J., Li, Y., & Lank, E. (2011, May). User-defined motion gestures for mobile interaction. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (pp. 197-206). ACM.

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