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Xonar D2
7.1 Channel Audio Card
TM
192KHz/24Bit DuplexHD
® ®
Featuring Dolby and DTS Technologies for Home
Entertainment
RMAA 6.0.5 Test Guide and
Results
Revision: 1.1
Date: Aug. 10, 2007
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 The Xonar D2 driver CD includes RightMark Audio Analyzer (RMAA) v.5.6, popular software intended for testing the quality of audio equipment, be it a sound card, portable MP3 player, consumer CD/DVD player, or a speaker system. However, the latest RightMark Audio Analyzer v6.0.5 is available now. This document describes the test guideline with RMAA v6.0.5 and the complete test results by updated Xonar D2 driver package (8.17.20 or later
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 1 2 3 4. Go to the Mixer Recording page and select “ALT” as the recording source. Click “Reset” to make sure the recording volume is on the default highest level (0dB). This is actually a high-quality onboard loop-back path from the Line-out directly to the Line-In. This allows you to get realistic output and input quality ratings for the Xonar D2 audio card. Copyright © ASUSTek Computer Inc. All Right Reserved. http://www
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 4 Note: You may also choose to use an external 3.5mm line cable as follows (as short as possible) to connect the Front-Out jack to the Line-In jack for loop-back testing. In that case, please select “Line In” as the recording source on the mixer page. However, this external cable may cause unexpected performance drop depending on its cable quality. 3.5mm Line Cable Copyright © ASUSTek Computer Inc. All Right Reserved. http://ww
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 5. Click “Reset” on the playback volume mixer page to keep the volume setting on default. 6. Turn the master volume to the MAX level (0dB) 5 6 2. Configuration and Test with RMAA Start RMAA and follow the setup procedure below. 1. Select the playback device as “[DirectSound]ASUS Xonar D2 Audio” (or [MME] ASUS Xonar D2 Audio) and recording device as “[MME] ASUS Xonar D2 Audio”. (Please also mind that NOT to select “ASUS Xona
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 2. Select 24bit and 48KHz for the test signals. (If you change the format here, please remember to go back to set the SAME sample rate output in the Xonar D2 Audio Center. Please mind that Xonar D2 currently supports 44.1K, 48K, 96K, and 192KHz. 88.2K, 176.2KHz, and 32bit(float) tests are not supported.) 3. Click the General test options in RMAA and make sure “Analyze noise and distortion only in 20Hz-20KHz range” (audio in-band for h
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 6 If the recording volume level is not high enough, please check and make the WAVE and Master Volume have been at the maximum level; Instead, if the recording volume level is too high, please lower the WAVE and Master volumes gradually until the level is ok. If you cannot get the level to be “OK” after the previous step, click “Start test” to try anyway. After starting test, there will be a pop-up progressing bar and please wa
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 7. Select one empty slot to save the data and you may change the name. Then click “OK”. 7 8. RMAA will pop up the Test results window. You can click the “Select” checkbox and click to “Make html report”. 8 9. Check and key in the report name/options as follows and then click “OK”. Copyright © ASUSTek Computer Inc. All Right Reserved. http://www.asus.com/ P.8
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 9 3. RMAA Testing Results The following tables copied from RMAA disclosed the complete test data results for DirectSound_16bit, DirectSound_24bit, MME_16bit, and MME_24bit. Each table contains 44.1K, 48K, 96K, and 192 KHz sample rate tests. Generally speaking, Xonar D2 can achieve up to 116dB SNR for 24-bit and up to 102dB SNR for 16bit in RMAA loop-back test. Most important, all results can get “Excellent” general performa
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 DirectSound 24-Bit Test Results MME 16-Bit Test Results Copyright © ASUSTek Computer Inc. All Right Reserved. http://www.asus.com/ P.10
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 MME 24-Bit Test Results Copyright © ASUSTek Computer Inc. All Right Reserved. http://www.asus.com/ P.11
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 4. HTML Test Reports You can review the HTML report including the graphics for the test plots. Open the html file you created and saved in the test above (section 2), and it will display the report with both data and plots in your browser. The following report is an example and you can see how high-fidelity and crystal-clean the Xonar D2 audio card is for both output and input (one of the world’s finest sound cards, it has even higher
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 IMD at 10 kHz, % 0.0005 Excellent General performance Excellent Frequency response From 20 Hz to 20 kHz, dB -0.11, +0.09 From 40 Hz to 15 kHz, dB -0.04, +0.08 Noise level Copyright © ASUSTek Computer Inc. All Right Reserved. http://www.asus.com/ P.13
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 Left Right RMS power, dB -115.0 -115.2 RMS power (A-weighted), dB -116.2 -116.4 Peak level, dB FS -92.8 -93.2 DC offset, % -0.0 -0.0 Dynamic range Copyright © ASUSTek Computer Inc. All Right Reserved. http://www.asus.com/ P.14
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 Left Right Dynamic range, dB +115.0 +115.1 Dynamic range (A-weighted), dB +116.2 +116.3 DC offset, % -0.00 -0.00 THD + Noise (at -3 dB FS) Left Right THD, % +0.0003 +0.0003 THD + Noise, % +0.0005 +0.0005 THD + Noise (A-weighted), % +0.0006 +0.0005 Intermodulation distortion Copyright © ASUSTek Computer Inc. All Right Reserved. http://www.asus.com/ P.15
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 Left Right IMD + Noise, % +0.0010 +0.0009 IMD + Noise (A-weighted), % +0.0005 +0.0004 Stereo crosstalk Left Right Copyright © ASUSTek Computer Inc. All Right Reserved. http://www.asus.com/ P.16
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ASUS Xonar D2 Audio Card RMAA6.0.5 Test Guide V.1.1 Crosstalk at 100 Hz, dB -116 -112 Crosstalk at 1000 Hz, dB -115 -114 Crosstalk at 10000 Hz, dB -112 -112 IMD (swept tones) Left Right IMD + Noise at 5000 Hz, 0.0006 0.0006 IMD + Noise at 10000 Hz, 0.0005 0.0005 IMD + Noise at 15000 Hz, 0.0005 0.0005 Copyright © ASUSTek Computer Inc. All Right Reserved. http://www.asus.com/ P.17
