Faint and Far Away

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If this happens to you, then you need to adjust the input gain of your microphone to optimize its ability to pick up your voice.

Every recording device has a dynamic range, which is the volume range between the minimum signal it can discern from the innate noise of the device, and the maximum signal it can distinguish from other signals. The best recording will be one that fills out this range as much as possible, but if your voice is too quiet or the microphone is too far away, then you might only fill out a small portion of this range. On the other hand, if your voice is too loud, or the microphone is too close, then you might push the microphone to its maximum too easily, and result in a clipped and buzzy- or warbled-sounding recording.

NASA - How Far? How Faint?

Open the Sound system preferences 2. Drag the Input volume slider to its maximum level to the right 4. Speak as you intend for your recordings. When speaking, you will see your input volume register on the Input Level meter below the volume slider. Adjust the input gain level until the maximum level is only barely reached.

What to Expect During and After a Syncopal Episode

This will be a balance of microphone distance and the input volume setting. For the clearest voice recordings, move the microphone comfortably close to you, and then lower the input volume to compensate if the input volume regularly goes too high. That causes blood pressure to decrease everywhere but the digestive system. The sudden drop usually announces itself as dizziness or lightheadedness.

From far Away by Faint

Postprandial hypotension causes some people to fall, others to faint. It can trigger the chest pain known as angina, disturb vision, or cause nausea. It has even been reported to trigger the mini-strokes known as transient ischemic attacks. Some people are genetically predisposed to postprandial hypotension. In others, it comes on after a stroke, accident, or other trauma damages key nerves or blood pressure sensors.

In most people, though, postprandial hypotension stems from aging-related changes that interfere with the body's ability to respond quickly to sudden changes in blood pressure. A major culprit is high blood pressure, which stiffens arteries, making it harder for them to narrow and relax as needed.


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Failure of blood pressure sensors in the arteries or stretch receptors in the stomach which alert other parts of the body that eating is under way can lead to postprandial hypotension, as can diabetes, Parkinson's disease, and other nerve-damaging conditions. There is no surefire treatment for postprandial hypotension, but these 4 lifestyle changes can help you prevent low blood pressure:.

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Various medications and supplements have been tested against postprandial hypotension. These include caffeine, guar gum a water-soluble fiber , acarbose a diabetes drug that slows the digestion of carbohydrates , midodrine a blood pressure booster , and others.

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But none of them has performed well in clinical trials, and side effects of these therapies can sometimes be worse than postprandial hypotension. If you often feel odd after eating, tell your doctor.

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He or she can work with you to see if the feelings are due to postprandial hypotension or something else, and help you find ways to ease the problem.