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ESS 1868 Chipset

Summary
Parameter

My Opinion

Mode of Operation
Full Duplex
Loop Back
Analog > Digital Digital > Analog
Frequency Response Fair 30-9.5kHz +1,-2 dB 30-12kHz +/-1 dB 30-10kHz +/- 1.5 dB
1 kHz Total Harmonic Distortion Fair 0.5% @ -0 dB 0.35% @ -1 dB 0.43% @ -1.4 dB
Signal to Noise Ratio Poor 44 dB 49 dB 45 dB
19 & 20 kHz Intermodulation Distortion Very Poor >=100%@-25 dB 3% @ -29 dB 1.% @-6 dB
Dynamic Range Poor 66 dB 69 Db 71 Db
Jitter Distortion Very Poor -25 Db -65 Db -55 Db
Software Used: Windows95 950B; Driver Release: 4.03.14

Technical Tests of ESS 1868 Chipset

ESS 1868 ChipsetSound Card Frequency response (Full Duplex - Loop Back)
ESS 1868 ChipsetSound Card Frequency response (Full Duplex - Loop Back)
ESS 1868 ChipsetSound Card 1 kHz Total Harmonic Distortion and Noise (Full Duplex -Loop Back)
ESS 1868 ChipsetSound Card 1 kHz Total Harmonic Distortion and Noise (Full Duplex -Loop Back)
ESS 1868 ChipsetSound Card Residual Noise - (Dynamic Range) (Full Duplex - Loop Back)
ESS 1868 ChipsetSound Card Residual Noise - (Dynamic Range) (Full Duplex - Loop Back)
ESS 1868 ChipsetSound Card IM Distortion (Full Duplex - Loop Back)
ESS 1868 ChipsetSound Card IM Distortion; (Full Duplex - Loop Back)
ESS 1868 ChipsetSound Card FM Distortion - "Jitter" (Full Duplex - Loop Back)
ESS 1868 ChipsetSound Card FM Distortion - "Jitter" (Full Duplex - Loop Back)
ESS 1868 ChipsetSound Card Frequency Response, Analog to Digital
ESS 1868 ChipsetSound Card Frequency Response, Analog to Digital
ESS 1868 ChipsetSound Card Total Harmonic Distortion and Noise, Analog to Digital
ESS 1868 ChipsetSound Card Total Harmonic Distortion and Noise, Analog to Digital
ESS 1868 ChipsetSound Card Intermodulation, Analog to Digital
ESS 1868 ChipsetSound Card Intermodulation, Analog to Digital
ESS 1868 ChipsetSound Card Residual Noise - (Dynamic Range), Analog to Digital
ESS 1868 ChipsetSound Card Residual Noise - (Dynamic Range), Analog to Digital
ESS 1868 ChipsetSound Card Jitter, Analog to Digital
ESS 1868 ChipsetSound Card Jitter, Analog to Digital
ESS 1868 ChipsetSound Card Frequency Response, Digital to Analog
ESS 1868 ChipsetSound Card Frequency Response, Digital to Analog
ESS 1868 ChipsetSound Card Total Harmonic Distortion and Noise, Digital to Analog
ESS 1868 ChipsetSound Card Total Harmonic Distortion and Noise, Digital to Analog
ESS 1868 ChipsetSound Card Intermodulation, Digital to Analog
ESS 1868 ChipsetSound Card Intermodulation, Digital to Analog
ESS 1868 ChipsetSound Card Residual Noise - (Dynamic Range), Digital to Analog
ESS 1868 ChipsetSound Card Residual Noise - (Dynamic Range), Digital to Analog
ESS 1868 ChipsetSound Card Jitter, Digital to Analog
ESS 1868 ChipsetSound Card Jitter, Digital to Analog

 

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This Page Last Revised 7/15/98 (abk)