项目: | 各种模块的描述 |
信号源: | 5Hz--204kHz(模拟)0.1Hz-80kHz(DAC),可以播放.wav 格式的信号,如:dts,杜比AC3信号 |
模拟频宽: | 单通道可以达到1000KHz,双通道同时达到500KHz |
信号源失真 | THD+N :-120dB (20Hz--20KHz) |
FFT 长度 | 1.2M,可以同时观看FFT和示波器及测试数据 |
模拟底噪 | 1uV |
硬件模块 | APX-BT 蓝牙测试模块Bluetooth option with built-in radio and support for A2DP, HFP, AVRCP profiles and SBC, CVSD and aptX codecs.支持麦克风测试频率8K。用于测试手机蓝牙,蓝牙耳机,蓝牙音箱,蓝牙遥控器等。 |
硬件模块 | DSIO (I2S)模块(内置)Direct connection at chip level. I2S and up to 16 channels of TDM with support for left justified, right justified, and DSP formats.支持8个音频通道。用于测试开发芯片 |
硬件模块 | PDM 模块 测试数字麦克风Direct I/O with modulation and decimation of PDM audio for testing of MEMS microphones, with a wide range of oversampling rates.Sample Rate Range:4 kHz to 192 kHz,Clock range,128 kHz to 24.576 MHz。用于测试手机 的数字麦克风 |
硬件模块 | HDMI 高清模块Measure HDMI audio quality and audio format compatibility on set-top boxes, home theater receivers, HDTVs, smartphones and Blu-ray Disc™ players.具体ARC功能。用于测试HD电视,AV功放,蓝光播放器,电视机顶盒。 |
标配 | ASIO (音频流测试,应用于声卡测试)Make direct measurements of high quality and professional PC audio interfaces with APx500's built-in direct ASIO connectivity.用于测试ASIO协议的声卡(高质量传输声卡) |
软件模块 | APX-SPK-RD 电声测试模块Impedance/Thiele-Small Characterization Loudspeaker Production Test Rub & Buzz Detection Waterfall and Polar Plots Air Leak Detection Other Acoustic Measurements 用于测试各种类型和各种规格的喇叭单元,有源音箱,麦克风,无线麦克风 |
硬件(外置) | 阻抗盒(外置)如需要测试喇叭单元的T/S参数,需要配合电声测试模块和功放一起测试。 |
软件模块 | PESQ 语音质量分析仪PESQ (Perceptual Evaluation of Speech Quality).用于通讯方面的语音传输质量,如有GSM,CDMA手机,IP |
软件模块 | POLQA 语音质量分析仪 (Perceptual Objective Listening Quality Assessment).用于通讯方面的语音传输质量,如有GSM,CDMA手机,IP |