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As a rule a standard sound card digitizes no more than 2 audio signals.
Each standard sound card is registered in the Axxon PSIM™ software by creating and setting up Audio card objects. Audio card objects are created on the Hardware tab on the base of the Computer object. During creation of the Audio card object for each standard sound card, the different values in the numbering sequence should be assigned to the Board parameter: for the first Audio card object the FS 6 (0) value should be selected, for the second one - FS 6 (1) and so on.
Example of Board settings for Realtek standard sound cards:
A.at single standard sound card registration
B. at registration of two standard sound cards of the same type
To register the microphones, connected to the standard sound card input audio channels, create Microphone objects on the base of the Audio card object. Up to 2 Microphone objects may be placedn the base of a single Audio card object. The relevant hardware tree segment during the registration of the standard sound card and 2 microphones is shown in the figure.
After the sound card registration in the Axxon PSIM™ system, the values should be assigned to the Channel settings of the Microphone objects, according to the channel numbers of the microphone connections to a standard sound card.
To connect more than one microphone to a standard sound card, the mini jack 2xRCA adapter is used. The mini jack 2xRCA adapter numbering layout is shown in Figure 8.8‑31. Examples of Microphone object settings with one and two FS-5 video capture cards, registered in the Axxon PSIM™ system, are shown in Figure A and Figure B correspondingly.
Mini jack 2xRCA adapter numbering layout:
A.for a single standard sound card
B. for two standard sound cards
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