When your microphone isn’t correctly set up, it might cause your speech-to-text software to fail and create havoc on audio calls. If your microphone isn’t cooperating, it’s possible that the sensitivity or noise suppression has to be changed.
In this post, we’ll teach you how to change the sensitivity of your microphone and enable noise suppression on your Android, iOS, Mac, or Windows device.
What Is Microphone Sensitivity? Why Change It?
Noise reduction eliminates unwanted audio. This includes background noise, such as your dogs barking in the next room or traffic outside your workplace. It also prevents static or the feared “Darth Vadar effect” from being caused by your breath. Finally, noise suppression aims to muffle the sounds of the computer’s internal workings.
External microphones may increase filtering even more by using foam covers known as windscreens. They also provide higher-quality recording than internal microphones. It is strongly advised that you utilize a high-quality external microphone whenever feasible.
Related: The Best Mic for Podcasting
Mic sensitivity describes how a microphone transforms a faint sound into a loud one. When a microphone is extremely sensitive, it includes very subtle noises such as your breath or the hum of your computer in the audio. It also over-amplifies stronger sounds, such as your voice, making them too loud to be heard well over the speakers (called “peaking”).
When a microphone is not sensitive enough, it cannot detect quieter sounds. Unless you have a very weak voice or need to record extremely subtle noises, your sensitivity is more likely to be too high than too low.
Many variables influence mic sensitivity, including Audio Gain, which is the transfer of sound into electrical signals that your speakers can interpret. Pre-amplification, which protects and amplifies these signals, also plays a role.
Adjust Mic Settings on Android
There are no built-in options for altering mic sensitivity or noise reduction on Android smartphones. Bixby, the virtual assistant that handles dictation on Samsung phones, lacks these features as well. However, you may still utilize an app.
The app market has a plethora of microphone applications including microphone boosters. Some of them can also link to external microphones, allowing you to further increase your audio quality.
Related: How to Record Audio on Android Using a USB Microphone
However, for an internal microphone, we propose Microphone Amplifier. Using slider controls, this software modifies your phone’s microphone settings.
- Microphone Amplifier may be downloaded.
- Launch Microphone Amplifier and allow access to Microphone and Storage.
- Close the Presets menu and return to the main screen.
- To increase the microphone’s sensitivity, move the Audio Gain slider 2-10 points to the right.
- To increase noise suppression, move the Input Filter slider 2-10 points to the right.
- To activate the amplifier, press the bottom-center power button.
- To record a test recording, press the bottom-right REC button.
- From the main page, go to your Records. Adjust the settings till your voice is clear.
Download: Microphone Amplifier (Free)
Adjust Mic Settings on iPhone
Simply use the volume controls on your iPhone to change the sensitivity of the internal microphone. Because the microphone sensitivity is set in tandem with the speaker level, increasing the volume on the phone will also raise the mic sensitivity.
To reduce noise, go to your iPhone’s Accessibility option.
- Change the slider to “On” under Settings > Accessibility > Audio/Visual > Phone Noise Cancellation.
Because AirPods have a microphone, the microphone sensitivity setting is somewhat different.
- Navigate to Settings > Bluetooth and then press the blue I next to AirPods in the “My Devices” section.
- Make sure Noise Control is chosen under Press and Hold AirPods.
If you set the Microphone to Always Left or Always Right, the AirPods will capture sounds via the specified side even if you take them out of your ear. This allows you to hold the microphone in your palm, eliminating noise caused by items like hair or earrings moving against it.
If you don’t have AirPods, normal EarPods include an inbuilt microphone as well.
Related: Nifty Things Your Apple EarPods Headphones Can Do
Adjust Mic Settings in Windows
To modify the microphone sensitivity in Windows, go to the device settings for your microphone.
- Navigate to System > Sound. Make sure your microphone is chosen under Input, then click Device Properties. Choose Additional device characteristics. Increase or reduce the Microphone level on the Levels tab (sensitivity). Close the device properties window and start speaking. The microphone test will play back your voice. Increase or reduce the mic levels as required until your voice is clearly heard.
- Go to System Preferences > Sound > Input and set the microphone’s Gain using the slider (sensitivity).
- Select Additional device properties.
- In the Levels tab, increase or decrease the Microphone (sensitivity).
- Close the device properties window and speak. The microphone test will play your voice back to you. Increase or decrease the mic levels as needed until it plays your voice back clearly.
Adjusting the Microphone Boost makes it more difficult for the mic to filter out surrounding noise, thus avoid raising it up unless the Microphone volume is already at 100 and your audio is still not being picked up.
As usual, you may boost the sound quality even further by using an extra microphone. Even a low-cost external microphone is generally superior than the one that comes standard with your laptop. If you can’t find one, you might use your smartphone as a Windows microphone.
Adjust Mic Settings on Mac
You may boost mic sensitivity by modifying the sound settings on your Mac.
- Go to System Preferences > Sound > Input and use the slider to adjust the microphone’s Gain (sensitivity).
The Ambient Noise Reduction setting in the same menu may also be used to enable noise reduction. You may utilize Mac’s amazing Dictation function more easily if these settings are updated.
Related: How to Use Mac Dictation for Voice-to-Text Typing
Enjoy Clear Audio Recording
When your microphone is correctly set up, you will be readily heard on voice calls, your speech-to-text software will make fewer mistakes, and you will have clear audio recordings. A high-quality external mic is still required for more sophisticated recordings like as music or podcasts, but a well adjusted stock mic will do for most tasks.
However, sensitivity and noise suppression are just two things to consider. It’s also conceivable that the app you’re using performs automated microphone changes. In these circumstances, you must modify the app’s settings. If these changes do not resolve your microphone issue, you may need to replace the hardware.
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