Texas Instruments DEM-PCM2912A EVM 数据表
Basic Operating Set-Up—Windows Vista
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To set the record volume:
Step 1.
Open the Sound options from the Control Panel. (Start
→
Control Panel
→
Sound)
Step 2.
Open the microphone properties of the USB audio codec from the Sound options and select
the Levels tab, as
the Levels tab, as
illustrates.
Step 3.
Set the microphone volume and the recording mute level from –12 dB to +30 dB.
Figure 3-4. Microphone Properties—Levels Tab (Windows Vista)
After this process is complete, the system volume setting for each component is maintained even if EVM
is plugged in/out.
is plugged in/out.
Set-Up Guide
20
SBAU141 – January 2009