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Wireless microphone

Petr Mohelský (mohelp1@fel.cvut.cz). Wireless microphone. Goals. Design and realize software for PC side, which will receive data from codec through Bluetooth and send them to the sound card.

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Wireless microphone

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  1. Petr Mohelský (mohelp1@fel.cvut.cz) IBM - CVUT Student Research Projects Wireless microphone

  2. IBM - CVUT Student Research Projects 2 Goals Design and realize software for PC side, which will receive data from codec through Bluetooth and send them to the sound card. Study possibilities of making this software acting like another sound card. Implement this variant if it's possible. Create firmware for microprocessor controlling codec module.

  3. IBM - CVUT Student Research Projects 3 Sound requirements Sampling rate: 16 kHz Data width: 16 bits Serial line can‘t support 256000 (16 bits x 16 kHz) baud rate, so we must use some compression algorythm.

  4. IBM - CVUT Student Research Projects 4 System overview

  5. IBM - CVUT Student Research Projects 5 Accomplished goals Serial communication software Programmed in C++ language. So far it is console application for Win32 platform. When executed, program awaits data coming through RS 232. After receiving data program prints received data to console.

  6. IBM - CVUT Student Research Projects 6 Accomplished goals Audio software Programmed in C++ language. So far it is console application for Win32 platform. This program plays raw audio data.

  7. IBM - CVUT Student Research Projects 7 Goals to do Connection between audio software and serial communication software. (waiting for completion of compression algorythm) Now working on virtual audio driver (MSVAD)

  8. IBM - CVUT Student Research Projects 8 The End Thank you for your attention

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