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根据煤矿井下移动通信频带窄的特点，提出了利用ＦＰＧＡ技术实现全数字式话音压缩编码方案。该方案具有设计调试简单、体积小、功耗低等特点
According to the characteristics of narrow frequency band of coal mine mobile communication, a digital voice compression coding scheme based on FPGA is proposed. The program has the design and commissioning simple, small size, low power consumption and so on