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feat: add script to adjust microphone volume to 100% on macOS, to avoid "auto adjusting"

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Anton Shubin 2024-02-28 18:51:03 +08:00
parent dce5668934
commit 614293b68e
2 changed files with 20 additions and 0 deletions
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1
README.md
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@ -13,6 +13,7 @@ Additionally I install next software, that is not (yet) presented in Brew:
1. Install Brew from here: https://brew.sh/
2. Copy Brewfile to your computer and run `brew bundle` from the same folder where you copied the file.
3. Run `chmod +x ./cron-adjust-microphone-gain-to-100.sh` and `./cron-adjust-microphone-gain-to-100.sh` [to change microphone gain to 100% on macOS](https://apple.stackexchange.com/questions/97810/mac-osx-microphone-input-volume-level-auto-adjusts-can-it-be-disabled).
Note: Brew will ask you for the root password and other apps inside Brewfile might ask you for your password as well.
Usually installation takes 10-20 min, so make sure to brew a cup of tea or coffee :)

19
cron-adjust-microphone-gain-to-100.sh Executable file
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@ -0,0 +1,19 @@
#!/bin/sh
# If the microphone gain is less than 100, increase it by 3 every 0.1 seconds until it reaches 100
CRON_JOB="* * * * * while (( \$(osascript -e \"input volume of (get volume settings)\") < 100 )); do osascript -e \"set volume input volume (input volume of (get volume settings) + 3)\"; sleep 0.1; done;"
# Escape percent signs for cron
ESCAPED_CRON_JOB=$(echo "${CRON_JOB}" | sed 's/%/\\%/g')
# Backup current crontab (just in case)
CRONTAB_BACKUP=$(crontab -l)
# Check if the cron job already exists
if echo "${CRONTAB_BACKUP}" | grep -F -- "${CRON_JOB}" > /dev/null 2>&1; then
echo "Cron job already exists. Not adding again."
else
# Add the cron job to the crontab
(echo "${CRONTAB_BACKUP}"; echo "${ESCAPED_CRON_JOB}") | crontab -
echo "Cron job added."
fi