miniDSP Ltd – Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice 22
8.3 TROUBLE-SHOOTING AUDIO ISSUES
No sound during volume calibration
If you get no sound while on the Volume Calibration tab of DiracLive, first make sure that you increase the
volume slider in the UI (the leftmost one).
If there is still no sound, double-check that output cabling is connected to the right connectors on the rear panel
and to the correct inputs on downstream equipment. Make sure that downstream equipment (e.g. amplifiers) is
not muted, turned down, or turned off.
No sound during playback
1. Check which input source you have selected on the front panel, and the cabling between the source and
the DDRC-22D.
2. Check that output cabling is connected to the right connectors on the rear panel and to the correct inputs
on downstream equipment (e.g. amplifiers).
3. Check that downstream equipment (e.g. amplifiers) is not muted, turned down, or turned off.
4. Quit DiracLive and start the DDRC-22 utility. Click on the Connect button. Then:
a. Check the master volume setting.
b. Check that the DDRC-22 is not muted.
Distortion
If audio playback is distorted, you may have too much gain internal to the DSP. Dirac Live can apply up to 10 dB
of gain. A distortion issue like this typically occurs when volume control is being done downstream of the DDRC-
22D Series processor. If so, check the Attenuation setting in the DDRC-22D Utility and set it at -10 dB.
8.4 OBTAINING SUPPORT
1. Check the forums on miniDSP.com to see if this issue has already been raised and a solution or solutions
provided.
2. Contact miniDSP via the support portal at support.minidsp.com with:
a. The product information obtained from DDRC-22 Utility (About button) and DiracLive application.
b. A clear explanation of the symptoms you are seeing.
c. A description of the troubleshooting steps (see Troubleshooting) you performed and the results
obtained.
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