乐音样本通常放在ROM芯片上，ROM是超大规模集成电路(very large scale integrated，VLSI)芯片。使用乐音样本合成器的原理框图如图2-09所示。
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CMOS工艺是超大规模集成电路的主流工艺，集成度高，可以根据需要将多种功能集成在一块芯片上。
CMOS technics is mainstream technics in VLSI, which owes high integration and integrates many functions into one chip.
CMOS工艺是超大规模集成电路的主流工艺，集成度高，可以根据需要将多种功能集成在一块芯片上，单芯片就可以完成摄像机全部功能。
CMOS technics is mainstream technics in VLSI, which owes high integration and integrates many functions into one chip. Only one chip can complete full electric functions.
相对于浮点计算法，移位-加操作最大的优点是计算简单，特别易于超大规模集成电路实现，因而使硬件实时处理图像信号成为可能。
Compared with the floating-point computing method, the shift-add operation is simpler, and can be implemented easily by VLSI, which enables the real-time image processing to be realized by hardware.
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