Discussions about Windows PC from Sound Tester listeners, answered and checked by the Sound Test Audio Team.
Phone and browser meters often differ by 5 to 15 dB because each microphone is tuned differently. Neither is lab accurate, so compare changes, not…
Output volume controls what you hear and input level controls what others hear. Raise the mic input level in Sound, Input, and check with the Mic…
A flat spectrum means the browser is not receiving audio. Allow microphone access for the site, pick the right input in the browser and check the…
HDMI monitors often become the default output and then play nothing. Set your speakers as the default device in Sound settings, or plug them into…
No sound after a Windows update usually means the audio device was disabled or the driver was swapped. Re-enable it in Sound settings, then roll…
Different videos are mastered at different loudness. Use YouTube's stable volume, Windows Loudness Equalization or a volume normaliser.
Code 10 means the device cannot start. Uninstall the driver, restart and install the latest one from the PC maker.
If only one site is silent, the tab, the browser mute or the app volume in the mixer is the cause. Unmute the tab, open the Volume Mixer and try a…
If the buttons do nothing in Firefox, update the browser, allow audio autoplay for the site and turn off ad blockers or tracking shields that block…
Windows picks the last connected device. Disable devices you never use, set the default for sound and communications, and check Apps volume and…
Pops in games usually mean the CPU is busy and the audio buffer runs empty. Set the sample rate to 48 kHz, close background apps and update chipset…
Stutter with many tabs means the browser is starved of CPU. Close heavy tabs, turn on hardware acceleration and update Chrome.
Enhancements can alter the signal in strange ways. Turn them off to compare, and keep only the ones you need.
Exclusive mode lets one app take control of the device and mutes others. Untick the exclusive options in Advanced.
Start Windows Audio and its dependency services and set them to Automatic. If the error continues, run the troubleshooter.
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The front pair plays, the subwoofer maybe hums, and the center and both rear speakers sit there like furniture. You…
The mic test shows a moving level bar, the browser says the microphone works, and a minute into the client call…
Laptop spec sheets love the word bass. Demo videos show a thumping kick drum from a machine thinner than a magazine…
Web developers and audio testers who build, test and maintain the Sound Tester tools on real headphones, speakers and microphones.
Audio & Acoustic Performance Lead
Brandon Vance is an Audio Output QA specialist focused on multi-channel soundstage testing, quick verification workflows, and precision distortion mapping. An active contributor to the…
Audio Team · Profile
Frequency Sweep Specialist
Xavier Cruz is the Frequency Sweep Specialist on the Sound Tester Audio Team. Dedicated to testing high and low frequency sweeps, sub-bass limits, and speaker rattling thresholds.
7 answers · Profile
Hearing Test Architect
Diana Chen is the Hearing Test Architect on the Sound Tester Audio Team. Designs precise web-based hearing calibration algorithms and variable tone thresholds.
8 answers · Profile
Headphone Benchmark Lead
Alistair Cross is the Headphone Benchmark Lead on the Sound Tester Audio Team. Expert in transient response tracking, left/right separation, and driver matching for studio monitors.
9 answers · Profile
Binaural Beats Engineer
Imogen Blake is the Binaural Beats Engineer on the Sound Tester Audio Team. Specializes in true spatial 3D audio, phase shifting, and binaural audio wave alignment.
7 answers · Profile
Surround Sound Auditor
Callum Sterling is the Surround Sound Auditor on the Sound Tester Audio Team. Focused on checking 5.1/7.1 spatial positioning accuracy, Dolby Atmos channel mappings, and sound leakage.
15 answers · Profile
Tone Generator Validator
Gemma Gallagher is the Tone Generator Validator on the Sound Tester Audio Team. Specializes in raw sine, square, and sawtooth tone generator checks and signal integrity debugging.
4 answers · Profile
Spectrum Analyzer Lead
Harvey Finch is the Spectrum Analyzer Lead on the Sound Tester Audio Team. Audits real-time fast Fourier transform (FFT) spectrum mapping and audio visualizer rendering accuracy.
10 answers · Profile
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