语音芯片的驱动程序，1700是替换isd1420 isd25系列的最新产品，音质性能都有提高。isd1730 isd1760全部兼容。如果做语音芯片的话-Voice chip driver, 1700 is the replacement series isd1420 isd25 the latest products, sound quality has to improve performance. isd1730 isd1760 all compatible. If so, then voice chip
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