1. 哼唱檢索用於嵌入式系統 張智星 jang@mirlab.org http://mirlab.org/jang 多媒體資訊檢索實驗室 台灣大學 資訊工程系

2. -2--2- 哼唱檢索的玩具應用 Block diagram 5 sec acoustic input MicrophoneA/D converter Micro-controller Internal/external memory Processing unit Database (External memory) Music output ( via speaker ) Constraint : Sing from the beginning

3. -3--3- Microcontroller ： 8052

4. -4--4- 8052 實作細節 zSpecs y3.6 MHz oscillator, PLL output 36MHz (<2MIPS) yAvg. response time: 0.12 sec/song for 5-sec input zData/code size yCode memory: 2.75 KB yRAM: 2.5 KB external + 512B internal data memory yROM: 256B/song

5. -5--5- Microcontroller ： Sunplus SPCE061A

6. -6--6- Sunplus SPCE061 實作細節 zSpecs ySystem clock: 24 MHz yCPU clock: 24, 12, 6 MHz yAvg. response time: 0.12 sec/song for 5-sec input (when CPU clock = 6 MHz.) zData/code size yCode size : 1.14 K word ( in flash memory) ySong size: 256 word/song (in flash memory) yRAM: 1 K word zRecognition rate y90% based on 250 clips from 10 subjects

7. -7--7- 玩具應用 zManley Toys, USA yhttp://www.manleytoyquest.com/snubbies/snubbies_home. html (Please check “Sing Along”)http://www.manleytoyquest.com/snubbies/snubbies_home. html yhttp://www.amazon.com/exec/obidos/tg/stores/detail/- /toys/B000096QZW/glance/ref%3Dcm%5Frv%5Fthx%5F view/104-8291389-8767912http://www.amazon.com/exec/obidos/tg/stores/detail/- /toys/B000096QZW/glance/ref%3Dcm%5Frv%5Fthx%5F view/104-8291389-8767912 zVideoVideo