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| You can configure the Audio Level controllers from the webconf's hardware->audio menu. Simply click the '''+''' button on the "Mixer Controls" text area. | | You can configure the Audio Level controllers from the webconf's hardware->audio menu. Simply click the '''+''' button on the "Mixer Controls" text area. |
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| + | The settings vary between sound cards. The official V4 soundcard has these settings enabled in webconf by default: |
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| + | * ADC Left - Level adjustment of the left input |
| + | * ADC Right - Level adjustment of the right input |
| + | * ADC Left Input - Configure left input connector: |
| + | ** No Select - Disconnect input |
| + | ** VINL1[SE] - Tip & sleeve single ended/unbalanced |
| + | ** VINL2[SE] - Ring & sleeve single ended/unbalanced |
| + | ** VINL2[SE] + VINL1[SE] - Tip, ring & sleeve single ended/unbalanced |
| + | ** [VIN1P, VIN1M][DIFF] - TRS differential/balanced |
| + | * ADC Right Input - Configure left input connector: |
| + | ** Same options as ADC Left Input |
| + | * Digital Left - Level adjustment of left output |
| + | * Digital Right - Level adjustment of right output |
| + | * PGA Gain Left - Gain adjustment of left input |
| + | * PGA Gain Right - Gain adjustment of right input |
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| + | Note that the gain adjustment allows coarse control of the overal gain of an input, allowing configuration for line, mic, etc. The level adjustment is an overal 0…100% level. |
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| + | The input connector configuration can be useful for a few variations: |
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| + | * Balanced signals on TSR - [VIN1P, VIN1M][DIFF] |
| + | * Unbalanced mono on TS - VINL1[SE] |
| + | * Two unbalanced (e.g. stereo) on TSR mixed to mono - VINL2[SE] + VINL1[SE] |
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