數位麥克風 測試系統簡介 · support multi-samples inspection relativity sensitivity...
TRANSCRIPT
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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: [email protected]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