gyuque
                http://twitter.com/gyuque




2010   7   31
2010   7   31
Modulator Demodulator
                         :




                    ×
2010   7   31
2010   7   31
FSK (Frequency Shift Keying)




                               0 / 1

                                1/0


             ...
:




2010   7   31
:




2010   7   31
pow1 = ∑ f1(t)^2
                pow2 = ∑ f2(t)^2


2010   7   31
2010   7   31
20 3A 4B 50 20 4F ...



                000010001011100....




                                        data:audio/wav......
2010   7   31
2010   7   31
2010   7   31
2010   7   31
Demonstration




2010   7   31
2010   7   31
http://www.w3.org/TR/html-media-capture/
   2010/7/20




           •
           •
           • Android   ”   ”   Android...
Client




2010   7   31
Client
                                          }
                Full Stack Javascript Server
2010   7   31
Javascript FAX        ?




            canvas




                test




2010   7   31
MSX   1chip MSX




2010   7   31
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LL Tiger 2010 (LTの虎 1)

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LL Tiger 2010 (LTの虎 1)

  1. 1. gyuque http://twitter.com/gyuque 2010 7 31
  2. 2. 2010 7 31
  3. 3. Modulator Demodulator : × 2010 7 31
  4. 4. 2010 7 31
  5. 5. FSK (Frequency Shift Keying) 0 / 1 1/0 • ( ) • 2010 7 31
  6. 6. : 2010 7 31
  7. 7. : 2010 7 31
  8. 8. pow1 = ∑ f1(t)^2 pow2 = ∑ f2(t)^2 2010 7 31
  9. 9. 2010 7 31
  10. 10. 20 3A 4B 50 20 4F ... 000010001011100.... data:audio/wav... <audio> 2010 7 31
  11. 11. 2010 7 31
  12. 12. 2010 7 31
  13. 13. 2010 7 31
  14. 14. 2010 7 31
  15. 15. Demonstration 2010 7 31
  16. 16. 2010 7 31
  17. 17. http://www.w3.org/TR/html-media-capture/ 2010/7/20 • • • Android ” ” Android 2.2 2010 7 31
  18. 18. Client 2010 7 31
  19. 19. Client } Full Stack Javascript Server 2010 7 31
  20. 20. Javascript FAX ? canvas test 2010 7 31
  21. 21. MSX 1chip MSX 2010 7 31

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