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by formerly_proven
2094 days ago
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How does the ADC distinguish the transient from switching the bias voltage from an intentional signal? (Yes, if you see the entire waveform, this is quite easy, but because of the low frequency, this would incur another ~20-50 ms in latency, which is unacceptable). Ramping the bias voltage requires additional components (cheapest way these days would probably be a separate DAC integrated into the audio codec, but then you are back to not having a physical kill switch) and also incurs extra delay for turning off and on (probably 100-200 ms). |
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