S/PDIF vs Electrical Loopback Test

Creative SoundBlaster Audigy 2ZS Notebook
RightMark Audio Analyzer test (M. Gallant Nov. 1, 2006)

Testing chain: External loopback (line-out - line-in)
Audigy 2ZS Driver: v 8/11/2006
Dell Latitude C800 Laptop XP Pro SP2
Optical Cable: 10 ft. Toslink Mini FT102-10 (mycableshop.com)
Electrical Cable: 6" Gold-plated 1/8" stereo mini-phone

Sampling mode: 24-bit, 96 kHz

Creative Audio Console Settings:
S/PDIF Testing: SPDIF I/O Digital Output (PCM) Sampling Rate Setting: 96 kHz for all tests.
Bit Accurate for Playback set as noted in tests


TestAudigy 2ZS EL Bit AccurateAudigy 2ZS EL NO Bit AccurateAudigy 2ZS OP NO Bit AccurateAudigy 2ZS OP Bit Accurate
Frequency response (from 40 Hz to 15 kHz), dB: +0.02, -0.14+0.11, -0.44+0.09, -0.36+0.00, -0.00
Noise level, dB (A): -95.9-92.5-121.1-149.2
Dynamic range, dB (A): 94.490.9121.9133.2
THD, %: 0.00160.00190.00010.0000
IMD + Noise, %: 0.00740.0100.00210.0002
Stereo crosstalk, dB: -92.8-91.3-115.3-150.7

Frequency response

Spectrum graph

Noise level

Spectrum graph

Dynamic range

Spectrum graph

THD + Noise (at -3 dB FS)

Spectrum graph

Intermodulation distortion

Spectrum graph

Stereo crosstalk

Spectrum graph

This report was generated by RightMark Audio Analyzer 5.5

SoundBlaster Audigy 2ZS Notebook soundcard with Dell Latitude C800 laptop; Toslink cable loopback test.

RMAA 5.5 application and Creative Audigy Mixer display settings
for S/PDIF lookback test with Bit Accurate for playback mode set.

Creative Audigy 2ZS Notebook Specifications (Model SB0530 2004)