Draker
Well Known Member
This is a pretty niche question, but has anyone successfully used the Garmin Audio-Video cable (P/N: 010-11921-14) with the VIRB Ultra 30 to both record audio and charge from airplane power at the same time? Here's the product:
Configuration:
Results:
When recording while also charging from airplane power, the VIRB records significant audio noise over the expected audio from the intercom. When the mini-USB power connection is disconnected, recorded audio is clear as day. When recording while charging from a USB charger plugged into wall power, the recorded audio (EDIT: has very faint noise).
Without the Garmin Audio-Video cable (aircraft power connected directly to the VIRB unit), I get a very, very faint hint of noise, but pretty close to silence.
Could my aircraft power source be that noisy? It looks more like the Garmin Audio-Video cable is allowing DC power noise to interfere with the audio-in. I get noise only when both DC power (mini-USB) and audio-in (3.5mm) are connected. When each of those are connected individually, no noise.
Configuration:
- Audio from the intercom (or headset jack) into the 3.5 mm mic input connector
- Power from the Garmin Bare Wire USB Power Cable (or a panel USB charger) into the mini-USB connector
Results:
When recording while also charging from airplane power, the VIRB records significant audio noise over the expected audio from the intercom. When the mini-USB power connection is disconnected, recorded audio is clear as day. When recording while charging from a USB charger plugged into wall power, the recorded audio (EDIT: has very faint noise).
Without the Garmin Audio-Video cable (aircraft power connected directly to the VIRB unit), I get a very, very faint hint of noise, but pretty close to silence.
Could my aircraft power source be that noisy? It looks more like the Garmin Audio-Video cable is allowing DC power noise to interfere with the audio-in. I get noise only when both DC power (mini-USB) and audio-in (3.5mm) are connected. When each of those are connected individually, no noise.
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