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Opti 931 Chipset

Summary
Parameter

My Opinion

AD/DA

Mode of Operation
Full Duplex
Loop Back
Analog > Digital Digital > Analog
Frequency Response Very Good/Very Poor N/A 30-17kHz +0.0/-1.0 dB 30-20kHz +0/- 10 dB
1 kHz Total Harmonic Distortion Good N/A 0.043% @ -0.5 dB 0.017% @ -0.74 dB
Signal to Noise Ratio Good/Poor N/A 65 dB 51 dB
19 & 20 kHz Intermodulation Distortion Good/Very Poor N/A 0.03% @ -6 dB bad
Dynamic Range Good N/A 71 dB 68 dB
Jitter Distortion Very good/Poor N/A -88 dB -62 dB
Software Used: Windows98 build 1998 Driver Release:
4.03.00.2031

TeDis

Discussion Of Results

This card was not capable of operation in full duplex.

 

Opti 931 Chipset Sound Card Frequency response (Full Duplex - Loop Back)
Opti 931 Chipset Sound Card Frequency response (Full Duplex - Loop Back)
Opti 931 Chipset Sound Card 1 kHz Total Harmonic Distortion and Noise (Full Duplex -Loop Back)
Opti 931 Chipset Sound Card 1 kHz Total Harmonic Distortion and Noise (Full Duplex -Loop Back)
Opti 931 Chipset Sound Card Residual Noise - (Dynamic Range) (Full Duplex - Loop Back)
Opti 931 Chipset Sound Card Residual Noise - (Dynamic Range) (Full Duplex - Loop Back)
Opti 931 Chipset Sound Card IM Distortion (Full Duplex - Loop Back)
Opti 931 Chipset Sound Card IM Distortion; (Full Duplex - Loop Back)
Opti 931 Chipset Sound Card FM Distortion - "Jitter" (Full Duplex - Loop Back)
Opti 931 Chipset Sound Card FM Distortion - "Jitter" (Full Duplex - Loop Back)
Opti 931 Chipset Sound Card Frequency Response, Analog to Digital
Opti 931 Chipset Sound Card Frequency Response, Analog to Digital
Opti 931 Chipset Sound Card Total Harmonic Distortion and Noise, Analog to Digital
Opti 931 Chipset Sound Card Total Harmonic Distortion and Noise, Analog to Digital
Opti 931 Chipset Sound Card Intermodulation, Analog to Digital
Opti 931 Chipset Sound Card Intermodulation, Analog to Digital
Opti 931 Chipset Sound Card Residual Noise - (Dynamic Range), Analog to Digital
Opti 931 Chipset Sound Card Residual Noise - (Dynamic Range), Analog to Digital
Opti 931 Chipset Sound Card Jitter, Analog to Digital
Opti 931 Chipset Sound Card Jitter, Analog to Digital
Opti 931 Chipset Sound Card Frequency Response, Digital to Analog
Opti 931 Chipset Sound Card Frequency Response, Digital to Analog
Opti 931 Chipset Sound Card Total Harmonic Distortion and Noise, Digital to Analog
Opti 931 Chipset Sound Card Total Harmonic Distortion and Noise, Digital to Analog
Opti 931 Chipset Sound Card Intermodulation, Digital to Analog
Opti 931 Chipset Sound Card Intermodulation, Digital to Analog
Opti 931 Chipset Sound Card Residual Noise - (Dynamic Range), Digital to Analog
Opti 931 Chipset Sound Card Residual Noise - (Dynamic Range), Digital to Analog
Opti 931 Chipset Sound Card Jitter, Digital to Analog
Opti 931 Chipset Sound Card Jitter, Digital to Analog

 

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This Page Last Revised 11/20/98 (abk)