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Gambar 2.9 Gelombang suara manusia
Voice Recognition System yang digunakan adalah SmartVR. SmartVR
Module
adalah pengembangan sebuah platform
untuk speech synthesis
dan
voice recognition, berdasarkan sensory
RSC-4128 mixed signal processor.
Ukurannya sangat kecil (42 x 72 mm) dan memiliki 2 konektor di tepi
dengan 2.54 mm pin spasi. SmartVR Hardware:
1.
RSC-4128 (dengan ROM Bootloader)
2.
512KB Code / Const Flash
3.
512KB Data Flash (Serial)
4.
128KB External RAM
5.
Full access to RSC-4x I/O pins
SmartVR Firmware:
1.
VeeEm: Stack based, no Floating Point, 16-bit Virtual Machine
2.
Modified Harvard architecture:
2.1.
64KB Code / Near-Const memory
2.2.
64KB Data memory
2.3.
1MB Far-Const memory
3.
Native runtime support for:
3.1. Support for most of Sensory's FluentChipTM library functions (T2SI,
SD, SV, SX, RPMSG)
3.2. Some C Runtime functions (integer math, strings)
3.3. Serial Flash and EEprom memory access
3.4. Fast SPI access to DevBoard memory-card socket (SD/SDHC/MMC)
3.5. Generic I2C and SPI bus access (up to 5 SPI slaves)
3.6. Access to general purpose I/O pins
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