How download IDT sound premium?
My device hp probook 4540s
It doesn't exist drivers for premium IDT audio.
Maybe this help.
OK! I figured it out! It sounds awesome!
Step 1: Install hda-jack-retask from here: HD audio related stuff : David Henningsson (ppa:diwic/hda)
Step 2: Open hda-jack-retask
Step 3: Select the IDT 92HD91BXX codec (may be different on other models)
Step 4: Check the "Show unconnected pins" box (the internal speakers do not show as connected)
Step 5: Remap 0x0d (Internal Speaker, Front side) to "Internal speaker"
Step 6: Remap 0x0f ("Not connected" but is the under-display speakers) to "Internal speaker"
Step 7: Remap 0x10 ("Not connected" but is the subwoofer) to "Internal speaker (LFE)"
Step 8: Apply now, then test with your favorite audio program (some may not work due to Pulse reset, so find one that does, verify sound is coming from all speakers).
Step 9: If it works, select "Install boot override" to save the settings to apply at boot time.
Step 10: Reboot. When it comes back, you should have full sound from all speakers. Also test headphones. Plugging in headphones should disable sound from all internal speakers.
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