在VS2010平台下用C语言开发的定点的opus编码和解码程序源码。程序经过了优化，在低码率下完胜HE AAC，中码率就已经可以媲敌码率高出30 左右的AAC格式，而高码率下更接近原始音频。-VS2010 platform in the C language development of fixed-point opus encoding and decoding program source code.The program is optimized in low bit rate HE wi