ãã1.åºå«å¨äºä¸ä¸ªéåå±æå½é³ççµå½±ï¼ä¸ä¸ªéåå¬æã
ãã2.
çå¬è³æºæ¯æ²¡æå è¿é³è²æ¸²æçè³æºï¼æ¯ç¸å¯¹äºé«ä¿çè³æºèè¨çãéè¿çå¬è³æºï¼è½å¤å¬å°æ为æ¥è¿çå®çãæªå ä»»ä½ä¿®é¥°çé³è´¨ã
ãã3.Hi-Fiæ¯è±è¯High-Fidelityç缩åï¼ç´è¯ä¸ºâé«ä¿çâï¼å
¶å®ä¹æ¯ï¼ä¸åæ¥ç声é³é«åº¦ç¸ä¼¼çéæ¾å£°é³ã