Audio & Sound
Sound, mic and speaker issues explained.
35 posts in this topic
Laptop microphone echo happens when your speakers feed back into the mic. Use headphones, turn on echo cancellation, and lower the volume to stop echo.
Speakers buzz mostly from a ground loop, electrical interference, a loose cable, or a bad audio port. Here is how to find the cause and stop the buzzing.
No sound after plugging in headphones on Windows usually means the output did not switch or the jack is not detected. Here is how to get headphone sound back.
Discord picks up background noise from high input gain, no noise suppression, or a built-in mic. Here is how to cut background noise on Discord for good.
To play sound through two outputs at once on Windows, enable Stereo Mix and use Listen to this device to mirror audio to a second output. Full steps here.
Crackling audio on Windows 11 is usually caused by audio drivers, DPC latency, a wrong sample rate, or enhancements. Here is how to fix crackling sound.
To make a laptop microphone louder, raise the input volume and mic boost in Sound settings and move closer. Here are the steps for Windows and Mac.
Bluetooth earbuds cut out when you turn your head because your body blocks the signal from your phone. Here is how to reduce these earbud dropouts.
TV and soundbar audio delay comes from video processing lag. Fix lip sync with the audio delay setting and use HDMI ARC instead of Bluetooth or optical.
Spatial audio places sounds around you in 3D to simulate surround from headphones. It is worth turning on for movies and games, less so for plain music.
Your PC switches to the wrong speakers after restart when a monitor HDMI output or another device becomes default. Here is how to lock your audio output.
Bluetooth audio lags on TV because of built-in Bluetooth delay plus the TV's video processing, so sound trails the picture. Here is how to reduce or sync the lag.
Your headset mic may not work on PC because of the wrong input device, muted mic, blocked microphone permission, or a single combo jack. Here is how to fix it.
Sound stopping in the speakers when you plug in headphones is normal, since headphones override speakers. If the headphones are also silent, here is how to fix it.
Your mic cuts out on Zoom usually from background-noise suppression, a weak connection, Bluetooth switching, or USB power saving. Here is how to fix Zoom mic dropouts.
A speaker pops when it turns on because the amplifier powers up and sends a brief voltage surge before its mute circuit settles. Usually harmless. Here is how to check.
Audio coming from only the left side is usually a shifted balance setting, a partially inserted plug, or a damaged cable or earbud. Here is how to check and fix it.
Your volume resets after restart usually from an audio driver reinitializing, a startup app changing it, or a corrupt setting. Here is how to stop volume resetting.
A game with no sound while everything else works usually points to the wrong output device, a muted app in the volume mixer, or in-game settings. Here is how to fix it.
24 bit audio means each sound sample is stored with 24 bits, giving a wider dynamic range and lower noise floor than 16 bit. Here is what bit depth actually affects.
Your mic sounds muffled on Discord usually from noise suppression, a low channel bitrate, the wrong input device, or a blocked mic. Here is how to fix it.
Your laptop speaker crackles at high volume usually from distortion as small speakers overload, plus audio enhancements or driver issues. Here is how to check and fix it.
Your sound switches to HDMI automatically because the system sets a newly connected HDMI display as the default audio device. Here is how to stop it on Windows and Mac.
Sound crackles usually from a loose cable, driver or sample-rate mismatch, CPU overload, or Bluetooth interference. Here is how to find and fix crackling audio.
Mono means one audio channel played the same everywhere, and stereo means two channels for left and right. Here is what mono vs stereo means and when to use each.
Low volume at max often comes from a second volume control, audio enhancements, volume limits, or dust in the speakers. Here is how to make your volume louder.
A headphone jack often stops working due to dust in the port, the wrong output device, a stuck detection switch, or a loose plug. Here is how to fix a dead jack.
Sound cuts out randomly from Bluetooth interference, power-saving settings, driver glitches, or a loose cable. Here is how to stop audio from dropping out.
An equalizer adjusts how loud different sound frequencies are, letting you boost bass, cut treble, or shape audio to taste. Here is what an equalizer does and how to use it.
A speaker buzzes usually from a ground loop, electrical interference, a loose cable, or a damaged cone. Here is how to find and stop the buzzing sound.
Mic echo on calls happens when your speaker sound loops back into your mic, usually from speakerphone or missing echo cancellation. Here is how to stop call echo.
Audio lags behind video from Bluetooth delay, weak streaming buffers, display processing, or app sync issues. Here is how to fix audio that is out of sync.
Spatial audio places sounds around you in 3D space so audio seems to come from specific directions. Here is what spatial audio means and how to turn it on.
Your laptop has no sound usually because it is muted, the wrong output device is selected, or the audio driver failed. Here is how to check and fix it.
Your mic picks up background noise because it is too sensitive, uses an omnidirectional pattern, or has boost or the wrong input selected. Here is how to fix it.