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Connect your PC and audio interface

Connect the PC, audio interface, instrument, and headphones.

Instrument into the audio interface input. Output to the headphones. Instrument Audio interface Input ← instrument Output → headphones Headphones USB to the PC. Your sound is mixed back into the headphones.
Sound goes left to right. Headphones plug into the audio interface output, not the PC.

How to connect the computer and an audio interface (the gear that takes your instrument into the computer and sends sound to your headphones). Saxophone or guitar, the path is the same up to here. Where the mic or the cable plugs in depends on the instrument. Those pages come next. To follow photos of a real unit, see A real setup (Studio 24c).

Hearing warning (important) — Switching Driver in Settings (ASIO and the others) or Output can make a sudden very loud sound. Before you switch, take the headphones off, or lower Gain in Settings → Devices (the same Gain as in Mix). After a switch, Feelism lowers Gain and the return level to 0.2 for safety. You raise them again yourself. Speakers left open make feedback with a mic easy. Headphones are the better start.

What you need

  • A Windows computer
  • An audio interface (gear that takes a mic or an instrument in, and sends headphones out. It connects to the computer by USB)
  • Headphones (use these first)

How to connect

  1. Connect the audio interface to the computer with USB. If the maker’s guide says a driver is required, install that first
  2. Plug the headphones into the audio interface’s output (not the jack on the computer)
  3. Pick the devices in Feelism. Open Settings (top right). Devices is near the top. For less delay, set Driver to ASIO. Then pick Output (where you hear the band) and Input (where the instrument comes in). An output whose name ends with ASIO is the same choice. Before you change Driver or Output, take the headphones off or lower Gain. A loud burst is possible
  4. Play the instrument you will connect later, and check that the input reading on the screen moves. Near the top right, Feelism shows In · Return · Out with numbers. If In moves, the sound is arriving

Listening on the computer’s speakers makes it easy for a mic to pick up the band and feed back. Headphones are the better start. Settings → Devices also has Gain. It is the same knob as Gain in Mix.

What each jack does

  • Input … the instrument (mic / pickup / line)
  • Output … headphones (where you hear the band)

Self-mix (on from the start)

The first setting mixes your instrument into the headphones as well. On the screen this is Self-mix. Unlike a practice app that only plays backing, the shape of your own sound stays clear.

If the delay bothers you, turn Self-mix off and use the interface’s own “hear me at once” feature (often labeled Direct Monitor), or just listen to the live sound in the room. Tell them apart with the numbers: In (is sound arriving?) and Return (is it being mixed back to you?). The return size (on the screen, Return level) starts at 2.5 (0–12). Details are in Self-mix and delay.

Feelism does not lay a sample sound on top of your live audio. That keeps the same note from sounding twice.

On to the instrument

Where the mic or the cable plugs in depends on the instrument. From the cards below, read only the one you are connecting now.