For the purposes of this article, we assume the user does not have a hardware MIDI wave-table synthesizer in the sound card, and, therefore, a software synthesizer was used.

为实现本文的目的，我们假定用户的声卡中没有硬件midi波表合成器，并因此而使用了软件合成器。

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In this paper mainly describes the synthesizer and its key circuit, also the hardware structure of single chip microcomputer controlling system and design method of software.

主要介绍该合成器的构成及关键部件电路，并阐述了单片机控制系统的硬件结构及软件设计方法。

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An optical-character-recognition machine for the blind that's capable of reading most types of printed text aloud, the CCD flatbed scanner, speech-recognition software, the first synthesizer that created sounds virtually indistinguishable from those produced by their acoustic counterparts, and a whole bunch of other nifty things we can barely comprehend came from Ray's brain.

CNN: STORY HIGHLIGHTS

With software synthesizers, the Mac can mimic anything from a vintage analog synthesizer to a grand piano to a cello.

CNN: Create your own music on the Mac