If The Choicer Voicer records nothing but silence, you are not alone. This is the game's most widely reported problem. Up front, an honest caveat: the root cause appears to be a limitation in the Godot engine's microphone capture, which shows up especially often on systems with surround or spatial audio configurations. That means there is no guaranteed one-click fix. The steps below are the ones that actually help, in the order worth trying them.
A community-reported fix for surround-sound mic capture shipped in version 0.5.2 and is in 0.5.3 too. If you are on an older version, updating is the single most effective step here. Open your itch.io app or download page and grab the latest build before trying anything else. Some mics still have trouble even after the fix, so keep the steps below handy if updating alone does not solve it.
The game records from the system default input device, not necessarily the mic you use in other apps. Open Windows Sound settings, set your microphone as the default input, make sure its level is up and it is not muted, then restart the game. Also check that Windows microphone privacy settings allow desktop apps to use the mic.
Surround-audio setups are the most common thread in reports of this bug. Try:
Restart the game after each change. Audio device changes are usually only picked up on launch.
If none of the above works, post your setup details (Windows version, mic model, headset software, whether you use surround) on the game's itch.io community board. The developer actively works on this bug, and concrete reports about which configurations fail are what get it fixed.
To be clear: a new mic will not fix the bug above, that is a software issue and any microphone hits it. But if you are here because your current mic is genuinely weak or old, not because of this specific bug, these are solid picks at three budgets. We may earn a small commission if you buy through these links, at no extra cost to you.
Some sites list registry hacks, "audio driver boosters", or paid tools as fixes for this bug. None of that addresses an engine-level capture limitation. Save your money and stick to the steps above.
While you wait on a fix, go browse Choicer Voicer packs and find something new to install.