音频测试说明书

qiujun · 发表于 2011-1-21 10:26:13

【文件名】:11121@52RD_UPL-B8_3E.pdf
【格　式】:pdf
【大　小】:250K
【简　介】:
【目　录】:

Contents

Contents

                                             1 Introduction..............................................................................................3

                                             2 Preparation ..............................................................................................4
                                                      Required Measuring Instruments and Accessories............................4
                                                      Installing the Software ........................................................................6
                                                      Test Setup ..........................................................................................7
                                                      Starting the Application Software .......................................................7
                                                      Configuring the Application.................................................................8
                                                      Setup Conversion for Firmware Updates ...........................................8

                                             3 Operating Concept ..................................................................................9

                                             4 Measurements.......................................................................................11
                                                      General.............................................................................................11
                                                      Notes on Individual Measurements ..................................................12
                                                      Sending Frequency Response and Loudness Rating ......................12
                                                         Sending Frequency Response ....................................................12
                                                         Sending Loudness Rating ...........................................................13
                                                      Receiving Frequency Response and Loudness Rating....................14
                                                         Receiving Frequency Response .................................................14
                                                         Receiving Loudness Rating.........................................................15
                                                      Sidetone Masking Rating STMR ......................................................16
                                                      Listener Sidetone Rating LSTR........................................................17
                                                      Echo Loss.........................................................................................18
                                                      Stability Margin .................................................................................19
                                                      Sending Distortion ............................................................................19
                                                      Receiving Distortion..........................................................................20
                                                      Idle channel noise sending...............................................................21
                                                      Idle channel noise receiving .............................................................21

                                             5 Calibration Routines ........

yeoman66 · 发表于 2011-1-23 23:53:13

thank you

hansonli · 发表于 2011-1-21 12:15:06

还不错

谢谢LZ

qiujun · 发表于 2011-1-21 10:26:53

很好呀，

yangfanmn · 发表于 2011-2-6 13:30:25

keyi

kkt51 · 发表于 2011-1-27 17:15:57

不错的东西

		自动登录	找回密码
密码			注册

音频测试说明书

本帖子中包含更多资源