M i N T - School of Engineering Science
Contents
1. R41 R42 3 2 R43 3 3 R44 1 1 1 1 1 1 1 Each note generation detector connects between two muscle groups attached to a joint When the muscles move away from one another a wire is pulled or released which generates a corresponding analog voltage The pitch controlling detectors are positioned at the tips of the left index and middle fingers and are activated when they come in contact with the connector at the tip of the thumb The flat and sharp detectors are positioned at the tips of the right index and middle fingers and are activated when they come in contact with the connector at the tip of the thumb The elbows sensors are activated by linear flexion and turned off by linear extension The knee sensors are activated by linear flexion and turned off by linear extension The shoulder sensors are activated by raising the arm and turned off by returning the arm to the natural position The hip sensor is activated by twisting the waist in any aesthetic way and is turned off by returning to the natural position Sound Generator User Interface 2 If note and motion detector assignment becomes configurable it would be controlled by a set of DIP switches Motion Detector Sound Generator Interface 1 The motion detectors will transmit wireless signals to receiver at frequencies ranging from 300MHz to 400 MHz Copyright 2001 MiNT MINT the refreshi2. 1 ld 5SDODEG Gelb oM ER essa dE Nux UM ENIM SEM MM M RED inr 1 1 2 Reference SHECMICAL ODE o esie etatis ath einer sepes M n RSEN anu UR ed Men as qudd 1 12 Applicable Documents asninn 1 1 2 2 Reference DOocOmefila uei coe e iia E aE E E EE 1 13 ODJECUVES e m 1 2 System Requirements aueen nia d iei oa pui bier E EE onan 2 JJ System OVOLVIGW eirinen trieri aa ERRE E EEEE AEEA EERE 2 2 2 Physical and Environmental Requirements ccissassvnsssssassansrservsancvabientesereves 3 2 3 System Reuiire mielits aos sisinio arianne En Ko IN orb ne GN oc RE 4 2 3 1 EE e R E E A AE A EE EE N EE P 4 JO Power S Upply erremerre a a a E E E 5 2 3 3 Sound Quality and Effects 255 assasancesencandcusshesduasaxhoccapalancaabesanvavsohancceuniens 5 2 3 4 Compatibility eos come acto nan p ta tr EUR CU MEN NE Da ritea E akasa 3 24 Reliability and SetviceabIlity sois beenden yb et vEER tOboPI cS eUDR UGP Pr Mcr RAE 6 43 Moes OF Operation scrani E EE EDEN CPR E ERU PEOR S e as 6 2 6 System Limitat ONS NET 6 3 Interface Requirements e ssesssesssesesooesooesoosesossssesssosssoossosssosssssessseesssosssosssossssee 7 3 4 Motion Detector User Interface scascicdecacenccesteneyisiensceescenredersentoneencncvncesenrensener 7 3 5 Sound Generator User liter laces 5 siicsiniaseetoccanetenctcneesenedssctnvedneeisdedusenvtansteves 7 3 6 Motion Detector Sound Generator Interface sssssssssess 7 3 7 Sound Gen
3. 2001 MiNT MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit R26 R27 R28 2 4 R29 R30 R31 R32 2 5 R33 R34 2 6 R35 1 1 2 The sound generator would be compatible with any common low power speaker The sound generator would be compatible with any common audio amplifier The sound generator would be able to interface with a host computer through an ISA connection Reliability and Serviceability 1 1 1 Q The Dancing Orpheus must operate for reasonably long periods of time up to 24 hours without failing The motion detectors should withstand continual vibrations from the user s movements The motion sensors operate completely independently of one another Therefore the systems would continue to function if any single part fails New sound effects can be downloaded onto the sound generator with a host computer Modes of Operation 2 Q The sound generator would have a record mode The sound generator would have a playback mode System Limitations 1 If the user attempts to play more than one note the one with the lower frequency will be generated Copyright 2001 MiNT MINT the refreshing technologies Function Specification Dancing Orpheus Musical Suit 3 Interface Requirements 3 1 Motion Detector User Interface R36 R37 R38 R39 R40
4. School of Engineering Science e Burnaby BC e V5A1S6 M l N T http www sfu ca echiua mint e 340 2001 sfu ca the refreshing technologies June 25 2001 Dr Andrew Rawicz School of Engineering Science Simon Fraser University Burnaby British Columbia V5A 1S6 Re ENSC 340 Functional Specification Dancing Orpheus Musical Suit Dear Dr Rawicz The attached document Functional Specification Dancing Orpheus Musical Suit details the functional specifications of our project for ENSC 340 The purpose of this document is to detail the various system and interface requirements as well as the test methods that would be applied to our prototype to verify its functionality Within the specification some requirements are indicated as basic features that must be completed for the project deadline in August whereas the enhancement features will be added only if time is available MiNT consists of five innovative third year engineering students Sharon Chang Eddy Chiu Tony Leung Robert Sin and Lydia Tse If you have any questions or concerns about our proposal please feel free to contact me by phone at 604 420 3628 or by email Sincerely Eddy Chiu MINT Inc Enclosure Functional Specification Dancing Orpheus Musical Suit MINT the refreshing technologies Functional Specification Dancing Orpheus Musical Suit Project Team Contact Personnel Submitted to Sharon Chang Eddy Chiu Tony Leung Robe
5. as well as various enhancement features that would be implemented on the system prototype if time is available 1 2 Reference Specification 1 2 1 Applicable Documents 1 Engineering Science Communications Handbook 7th Edition S Stevenson S Whitmore 1999 2 An Introduction to Low Power Radio P Bernie J Fairall 1998 1 2 2 Reference Documents 1 Proposal for the Dancing Orpheus Musical Suit S Chang E Chiu T Leung R Sin L Tse 2001 1 3 Objectives The following notations are used throughout this document R7 A functional requirement n The priority of the requirement 1 Basic functional requirement 2 Enhancement feature Copyright 2001 MiNT MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit 2 System Requirements 2 1 System Overview Figure 1 shows the system overview of the Dancing Orpheus Musical Suit Ton Dancer Speaker Amplifier Radio Transmission C Motion Detectors Figure 1 System Overview The device tracks a dancer s motions and sends the data to a detached sound generator through pairs of radio transmitter and receiver The motion sensors are to be worn at the major body joints each of which controls the playing of a predefined musical note The placement of the sensors is shown in Figure 2 Refer to R8 and R9 for further information on sensor placements Copyright 2001
6. of the Dancing Orpheus project By August 2001 all basic requirements denoted by 1 will be fulfilled whereas enhancement features denoted by 2 will be added if time is available 12 Copyright 2001 MiNT
7. MiNT MINT the refreshing technologies Function Specification Dancing Orpheus Musical Suit front back Figure 2 Sensor placement When the sensors detect an angular movement beyond a preset threshold value an activation signal will be generated which causes the sound generator to produce the digitally synthesized tone The Dancing Orpheus is designed mainly for user entertainment However with further developments it may become an instrument for physical therapy Playing music with the Dancing Orpheus is a healthy exercise Songs that involve varying degrees of movement and flexibility may be designed to test the patients recovery progress 2 2 Physical and Environmental Requirements R1 R2 R3 R4 1 1 1 1 Each motion detector would not interfere with the user s motion The prototype is expected to reside within a case with dimensions of approximately 5cm long 5cm wide and 3cm high Further development with more advanced equipment and circuit layout techniques would reduce the size by up to 50 The sound generator would be portable and would be able to reside within a case with dimensions of approximately 10cm long 10 cm wide and 5cm high The device would be able to operate at the range of temperature from 30 c to 40 c around the body temperature The 11 motion detectors would not burden the user and would weigh less than 2kg altogether Copyright 2001 MiNT MIN
8. No 1010 1 92 ii IEC 1010 1 1990 A1 1992 A2 1995 iii UL3111 1 R57 1 Wireless communication standards i ARIB STD T66 i ICRSS 139 ii IC RSS212 iv IEC 60950 v UL 1950 R58 1 Environmental standards 1 HP Class C1 device ii HP 757 Temperature iii HP 758 Humidity iv HP 759 Vibration v HP 760 Shock Copyright 2001 MiNT 10 MINT the refreshing technologies Function Specification Dancing Orpheus Musical Suit 6 Documentation and User Training R59 R60 R61 R62 R63 R64 R65 Q Q 2 2 1 1 Q Documentation of the Dancing Orpheus consists of a five page user manual with instructions in English French German Japanese Spanish Chinese and Korean The user manual will be written for an audience with minimal experience with electronic device and music knowledge The user manual will include a set of sample dance moves for two songs The user manual includes a troubleshooting section Minimal user training should be necessary for use of the Dancing Orpheus Training of the device is completely provided by the user manual The company web site provides a collection of dance steps for most popular songs Copyright 2001 MiNT 11 MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit T Conclusion This document has outlined the details of the functional requirements
9. T the refreshing technologies Function Specification Dancing Orpheus Musical Suit R5 1 The sound generator and a low power speaker together would weigh less than 5kg R6 1 Thecase ofthe motion detector would reside within a water proof case made of a polymeric material which protects the internal circuitry from sweat and other moistures R7 1 The motion detector would be able to operate under vibration from the dancer s motion 2 3 System Requirements 2 3 1 General R8 1 11 motion detectors i 7 control the generation of the notes ii 2 control the raising and lowering pitch iii 2 control the generation of flats and sharps R9 1 Note generation detectors are distributed i 2 at the elbows ii 2 at the knees iii 2 at the shoulders iv 1 at the back of the hip R10 1 Pitch controlling detectors are worn at the back of the left forearm R11 1 Flat and sharp generation detectors to be worn at the back of the right forearm R12 2 Effect generation detectors are distributed 1 2 at the ankles ii 2 at the wrists iii 1 at the back of the neck R13 1 The transmission range from the motion detector to the sound generator would reach 50m This is the range of transmission provided by common commercially available transmitters R14 1 The sound generator outputs frequencies from 60Hz to 8000Hz same frequency range as common computer speakers R15 1 Each note turns of
10. erator Speaker Connection Interface sss 8 2 8 Sound Generator Computer Interface ssi edes pesn adeo ups ted seal osbas seated 8 4 EDU IDCM 9 8 Motion Detector acoso Rab ix Pre RPA TR ER UC QU NE RUMINUS alta FRE PIS HAN iaire 9 4 5 Sound Generator EC r e 9 Se Regulatory StandardS isssssssissssssssicscsssissscssnssssscosisssesevisssodssissiastesstccossgsssosi ssdio 10 6 Documentation and User Training seeessoessoessoesssesssoossosssosssssesssesesoosssoseso 11 7e Conclusion m 12 Table of Figures Fig re 1 System Very fe Woo osd ion uat eps EN ees 2 Figure 2 Sensor DIGGGIHIODIL eo nei pri nS Y Kad REERNR UN EAR EROE rb n tU MERE E mr HAR 3 ii Copyright 2001 MiNT MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit 1 Introduction The Dancing Orpheus Musical Suit is a device that generates music based on a dancer s motions The device consists of eleven motion detectors and a sound generation unit All musical notes at a wide range of pitches are featured by the Dancing Orpheus allowing it to compose music at the same level of complexity as any other sophisticated musical instrument The main objective for this project is to complete the assembly of a functioning device by August 2001 1 1 Scope This document describes the basic functional requirements for the Dancing Orpheus Musical Suit
11. f after playing for 2 seconds Copyright 2001 MINT MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit R16 2 R17 2 R18 2 R19 2 The sound generator would mimic the sounds of various musical instruments The sound generator would incorporate various sound effects that are controlled by additional motion sensors The sound generator would record and play back a finite sequence of notes The sound generator would interface with a host computer for motion capturing 2 3 2 Power Supply In order to achieve portability Dancing Orpheus will be designed to operate under low power and run on batteries R20 1 R21 1 R22 2 The motion detectors would operate on 2 button cell batteries that provide up to a total of 6V DC The sound generator would operate on a single 9V battery The device would have rechargeable power supplies 2 3 3 Sound Quality and Effects R23 1 R24 1 R25 2 The sound generator would generate a bandwidth of 7 pitches of musical notes The sound generator would have sound quality similar to MIDI sound files The sound generator would incorporate sound effects such as adding echo base and beats 2 3 4 Compatibility The Dancing Orpheus will interact with existing audio products If a computer interface is developed it must conform to the corresponding data communication standards Copyright
12. ng technologies Function Specification Dancing Orpheus Musical Suit 3 4 Sound Generator Speaker Connection Interface R45 1 Regular headphone jack R46 2 A speaker output dedicated to sound effects R47 2 Stereo sound quality 3 5 Sound Generator Computer Interface R48 2 The sound generator would interface with a 32 pin ISA port Copyright 2001 MiNT MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit 4 Testing Methods 4 1 Motion Detector R49 R50 R51 R52 4 2 R53 R54 R55 1 1 1 1 Activation and deactivation of each motion detector is verified using a logic analyzer All motion detectors are activated simultaneously to verify effects of signal interference Each motion detector would be tested on the angle extremity and force endurance Each motion detector would be tested on the sensibility and the force endurance Sound Generator 1 1 1 Each note will be played and verified using a logic analyzer All notes will be played simultaneously to verify the ability of the device to resolve the output Place the sound generator at 50m away from the dancer to verify data transmission at extreme distance Copyright 2001 MiNT MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit 5 Regulatory Standards R56 1 Safety standards 1 CSA C22 2
13. rt Sin Lydia Tse Eddy Chiu echiua sfu ca Dr Andrew Rawicz ENSC 340 Steve Whitmore ENSC 305 School of Engineering Science Simon Fraser University MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit Executive Summary Advancements in technology have been an important factor in revolutionizing art and entertainment With the introduction of the Dancing Musical Suit which allows a dancer to play music at the same time composing music will become easier and more fun than ever The basic operations of the Dancing Orpheus Musical Suit include tracking a dancer s motions and generating sequences of musical notes In addition the user can also vary these notes by changing the pitch or generating flats and sharps The prototype is designed to output to a low power speaker or an amplifier If this is available various enhancement features such as sound effects and computer interface will be added The development of this project spans a 13 week period with August 24 2001 being the scheduled completion date for a working prototype Copyright 2001 MiNT MINT the refreshing technologies X Function Specification Dancing Orpheus Musical Suit Table of Contents Ib ezalinrdVllupiDiser P i Table OF Contents e ii Table of Fig Gres erc ii jM DD m
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