With integration of DDS and computer technology, the tone burst instrument is well designed to meet the new testing standard of the sound level meter.

将DDS技术与单片机以及计算机技术结合，运用到猝发声仪器的设计中，实现了符合新的声级计检测标准的猝发声仪器的开发。

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During a closed beta phase, invited early adopters help to stir interests and create wants for the product, in addition to populating the network with contents, setting tone for the budding community, providing functionality feedback, and load testing infrastructure.

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