How to Increase Microphone Volume on an Android Phone or Tablet

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Easy ways to make your Android's microphone volume louder
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If people can't hear you when you're talking on your Android phone or your voice recordings sound quiet, you can take simple steps to increase your microphone's volume. While the volume of the mic is set by the system hardware, you can download an app called Microphone Amplifier to boost the gain of your microphone. This wikiHow teaches you how to increase your microphone's volume on Android.

Quick Steps

  1. Check the microphone (usually near the charging port) for obstructions.
  2. Disable Noise reduction if enabled.
  3. Install the Microphone Amplifier app from the Play Store.
  4. Select Device mic and increase the Volume and Boost sliders.
Method 1
Method 1 of 2:

Checking Your Device

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  1. Check for updates . If you're having problems with your microphone or other hardware issues on your phone, you may be able to fix it with a system update. Use the following steps to check for a system update and update your phone: [1]
    • Open the Settings menu.
    • Tap the magnifying glass icon in the upper-right corner.
    • Type "System update" in the search bar. If that doesn't display anything, try "Software update" instead.
    • Tap the System update or Software update option.
    • Tap the option to download and update your system.
  2. On most phones and tablets, the microphone is at the bottom, next to the USB connector. Check to make sure the hole where the microphone is isn't filled with dust and crud. If it needs cleaning, use a small pin to clean the inside of the microphone hole gently. [2]
    • Do not stick the pin too far in and puncture anything.
    • Alternatively, you can also use compressed air to clean the microphone hole, but be careful not to blow the dust further inside the microphone hole.
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  3. Some Android phones have a Noise Reduction feature. This is meant to reduce background noise. Sometimes, it can interfere with your microphone's performance. Use the following steps to check if your phone has noise reduction and turn it off: [3]
    • Open the Settings menu.
    • Tap Call Settings .
    • Look for the Noise Reduction option. If you cannot find it, tap the magnifying glass icon in the upper-right corner and search "Noise Reduction." Not all Android devices have this feature.
    • Tap the toggle switch to disable Noise Reduction.
    • Restart your phone and see if the problem is fixed.
  4. If you are having problems with your microphone, it may be caused by a third-party app. To test this, boot your Android device into Safe Mode and then make a test call or use the voice recorder app to make a test recording. If the microphone works in Safe Mode, it is most likely an app causing problems with your microphone. Use the following steps to boot into Safe Mode:
    • Power your phone off.
    • Press and hold the Power and Volume Down button until your phone or tablet boots up.
    • Make a test call or test recording.
  5. If you determine that a third-party app is causing problems with your microphone, you can deny that app access to your microphone. Use the following steps to deny microphone permissions for any apps that don't need to use your microphone:
    • Open the Settings app.
    • Tap Apps
    • Tap the menu icon ( ⋮ ) in the upper-right corner.
    • Tap App Permissions or Permissions Manager .
    • Tap Microphone or Microphone Permissions .
    • Tap an app you suspect is causing a problem with your microphone.
    • Tap Deny to deny it microphone access.
  6. If you are using a Samsung Galaxy phone, it could be because of Bixby Voice. Use the following steps to disable Bixby Voice. [4]
    • Open the Settings menu.
    • Tap Apps .
    • Tap Bixby Voice .
    • Tap Force Stop at the bottom.
  7. There are several free apps you can download from the Google Play Store that can diagnose your phone's hardware. If a testing app reports your microphone isn't working, you will either need to have it repaired or get a new phone.
    • A couple diagnostic apps you can download include " Device Info " and " Phone Doctor Plus ."
    • The first time you run one of these programs, you will need to grant it access to your phone's hardware. Tap Allow when asked to allow access to it.
  8. Sometimes restarting your phone can clear out any software or hardware errors that make your microphone perform poorly. Press and hold the Power button on your Android device until the power menu appears, then tap Restart to restart your phone. [5]
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Method 2
Method 2 of 2:

Using Microphone Amplifier

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  1. Microphone Amplifier is a free app you can download from the Google Play Store . It has a black microphone icon. [6]
  2. Tap the icon on your Home screen or apps menu to open Microphone Amplifier. Alternatively, tap Open in the Google Play Store once the app is finished downloading.
    • The first time you open the app, you will be asked if you want to allow the app to access your microphone and audio system. Tap OK to acknowledge, then tap Allow on all the pop-ups to allow it to access your microphone.
  3. You can increase the volume of your Android's built-in microphone or a connected microphone like a Bluetooth or headset mic. To increase the built-in mic volume, select Device mic from the menu.
  4. Move the Volume and Boost sliders up to make the microphone louder.
    • Test the microphone volume by using the app's Record feature.
    • If the wave peaks reach the top and bottom of the box when you speak, try decreasing the Boost slider, and then try again. You should see small peaks in the center during silence (or ambient noise) and large peaks that reach near the top when speaking.
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Community Q&A

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  • Question
    Does this work for wireless Bluetooth earbuds connected to the Android phone?
    Azurian Quill
    Community Answer
    Only if your earbuds have a built-in microphone. Otherwise, it'll just be an output for audio.
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      References

      1. ↑ https://support.google.com/android/answer/7680439?hl=en
      2. ↑ https://www.samsung.com/uk/support/mobile-devices/how-to-troubleshoot-the-microphone-of-your-galaxy-phone-when-it-does-not-recognise-a-voice-well/
      3. ↑ https://support.google.com/accessibility/android/answer/9157755?hl=en
      4. ↑ https://www.samsung.com/us/support/answer/ANS00080449/
      5. ↑ https://support.google.com/android/answer/7664998?hl=en
      6. ↑ https://play.google.com/store/apps/details?id=com.ronasoftstudios.earmaxfxpro

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