S48音频格式是指比特率为256kbits/s,采样频率为48kHz的mp2格式.由于mp2压缩方法的复杂程度大大高于普通的压缩算法,它需要进行频谱变换,而由计算机进行频谱变换意味着大量的矩阵运算,所以实时录制S48需要内置处理器的声卡,Digigram公司...S48音频格式是指比特率为256kbits/s,采样频率为48kHz的mp2格式.由于mp2压缩方法的复杂程度大大高于普通的压缩算法,它需要进行频谱变换,而由计算机进行频谱变换意味着大量的矩阵运算,所以实时录制S48需要内置处理器的声卡,Digigram公司的PCX系列声卡采用先进的DSP(Digital Signal Processor数字信号处理器)芯片配合强大的DSP程序实现了实时的Musicam高质量编码,同时提供大量专业数字音频处理功能.展开更多
ZTE Corporation posted its sales and earningsfor the first quarter on April 23.From January toMarch of this year,its main business revenueincreased 74.67% over the same period last yearto RMB 3.788 billion yuan.The ne...ZTE Corporation posted its sales and earningsfor the first quarter on April 23.From January toMarch of this year,its main business revenueincreased 74.67% over the same period last yearto RMB 3.788 billion yuan.The net profit for theJanuary-March quarter rose to RMB 132.01million yuan versus RMB 88.62 million yuan in theyear-earlier period.Its earnings per sharereached RMB 0.198 yuan.ZTE’s first-quarter growth is encouraging asthe quarter is always a slow season for sales of展开更多
文摘S48音频格式是指比特率为256kbits/s,采样频率为48kHz的mp2格式.由于mp2压缩方法的复杂程度大大高于普通的压缩算法,它需要进行频谱变换,而由计算机进行频谱变换意味着大量的矩阵运算,所以实时录制S48需要内置处理器的声卡,Digigram公司的PCX系列声卡采用先进的DSP(Digital Signal Processor数字信号处理器)芯片配合强大的DSP程序实现了实时的Musicam高质量编码,同时提供大量专业数字音频处理功能.
文摘ZTE Corporation posted its sales and earningsfor the first quarter on April 23.From January toMarch of this year,its main business revenueincreased 74.67% over the same period last yearto RMB 3.788 billion yuan.The net profit for theJanuary-March quarter rose to RMB 132.01million yuan versus RMB 88.62 million yuan in theyear-earlier period.Its earnings per sharereached RMB 0.198 yuan.ZTE’s first-quarter growth is encouraging asthe quarter is always a slow season for sales of
