數位麥克風 測試系統簡介 · Support multi-samples inspection Relativity sensitivity...

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數位麥克風測試系統簡介

宏相科技專案經理: 何易璋

0955-571-108 / nealho@hxt.com.tw

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數位麥克風訊號及資料傳輸

-左右聲道數位麥克風訊號傳輸

L Mic.

R Mic.

Clock

Data

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數位麥克風訊號及資料傳輸

L Mic.

R Mic.

Clock

Data

DSP/Backend IC

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數位麥克風測試系統需求規劃

• 測試系統整體成本降低– 測試成本降低與速度提昇 – Multi-samples testing

• 測試系統簡化– 屏除D/A轉換板造成的誤差 – Digital signal to FPGA

• 測試程式未來的變動性與擴充性– 未來模組整合Codec IC直接輸出USB音源 快速應用各種聲音濾波與分析運算– Sound & Vibration Tool Kit

– 整合影像品質檢測 – IMAQ Image Tool Kit

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PC

FPGA Card

Audio Signal

Speaker

FPGAPerform PDM demodulation,interpolation and digital filter

DAC

Web CAMDigital Mic Digital Mic

Web CAMDigital Mic Digital Mic

Web CAMDigital Mic Digital Mic

Web CAMDigital Mic Digital Mic

Web CAMDigital Mic Digital Mic

Web CAMDigital Mic Digital Mic

Web CAMDigital Mic Digital Mic

.

.

.More

Digital Microphone Data and CLK

數位麥克風測試系統架構

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USB connection

Inte

rfacin

gboa

rdCable

Digital Mictest line

PCI/PXI FPGA Card

Cable

數位麥克風測試系統架構

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Features

PC/PXI FPGA-based system

Signal decode on FPGA

Multi-samples inspection

Built-in sound test pattern source

Relativity sensitivity inspection

THD+N : Total Harmonic Distortion + Noise inspection

SNR : Signal-Noise Ratio inspection

Sine. Swept inspection

Sound record and play

Inspection result log

Total solution including customized jig design

Digital MicrophoneTesting System MT-5630

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Digital MicrophoneTesting System MT-5630

Features

Various digital microphone component support

Decode on FPGA

Support component and module acoustic inspection

Support multi-samples inspection

Relativity sensitivity inspection

THD+N : Total Harmonic Distortion + Noise inspection

SNR : Signal-Noise Ratio inspection

Sine. Swept inspection

Sound record and play

On board button control for production

Windows XP support

Dimension : To be defined with customized

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Total solution

Various digital microphone component support

Superior sound source pattern

Customized PCB / jig design

Support component and module acoustic inspection

Support multi-samples inspection

Support PCB panel inspection

Digital MicrophoneTesting System MT-5630

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Demo & Discussion

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數位麥克風測試系統效益

• 降低數位麥克風測試整體成本

– 多待測物進行測試、減少硬體支出、增加測試效率

– 降低操作人員成本

• 測試系統簡化– 系統僅測試電腦加上專用治具、容易維護

• 客製化設計– 為客戶客製化設計專用治具

– 可整合其他功能如: EEROM 燒錄, Camera 影像測試

• Turn key solution

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宏相科技股份有限公司專案經理: 何易璋手機: 0955-571-108Email: nealho@hxt.com.tw網頁: www.hxt.com.tw地址: 302 竹北市縣政二路10號4樓電話: 03-558-3201 ext. 18傳真: 03-558-3187