In this guide
Choose the correct recording device in Audacity’s Audio Setup, record a short test, and play it back. A microphone input records your room; a Windows loopback input records playback sent to the selected output device.
To record in Audacity, connect the source, select it as the recording device in Audio Setup, press Record, then stop and play back a short test. Choose a microphone for your voice or a suitable loopback source for computer playback. These are different inputs; selecting one does not automatically record the other.
Before a long take, verify the actual recorded sound, input level and file location. Labels can vary with Audacity version, operating system and audio device. The official microphone-recording guide describes choosing the device, checking the meter and recording.
Choose what you want to record
| Goal | Recording source | What to test |
|---|---|---|
| Voice or instrument through a microphone | The intended microphone or audio-interface input. | Speak normally and loudly; listen for the right source and clipping. |
| Computer playback on Windows | Windows WASAPI and the loopback input for the playback device. | Confirm the source app uses that output; notifications can be recorded too. |
| Microphone over an existing backing | The microphone input while Audacity plays the backing. | Use headphones, verify the new track and compare timing. |
| Computer playback on Mac | A suitable supported audio-routing setup, if available for your system. | Follow current Audacity guidance for your macOS version and routing; a normal mic input is not the system mix. |
Record only material you have permission to capture, and let other participants know when recording a conversation. Playback restrictions and the rights needed for later use depend on the source and situation.
How to record a microphone in Audacity
- Connect the microphone. Attach your USB microphone or audio interface before choosing the device. If the operating system asks, allow Audacity microphone access.
- Select the input. In Audacity, open Audio Setup → Recording Device and choose the microphone or interface input you intend to use. Select the playback device you will use to listen back.
- Choose channels. For a single mono voice, select mono if that matches the input. Stereo can be appropriate for a stereo source; two channels do not automatically improve a mono microphone.
- Check the level. Use the recording meter’s monitoring control and speak at the loudest expected level. Adjust the microphone or interface input gain to avoid clipping, with room for louder peaks.
- Record and listen. Press the red Record button, speak a short test, press Stop, then play it back through your chosen output. Check for the intended microphone, intelligibility, noise and distortion.
- Record the full take. Correct the setup if needed, then record again. Save the editable project and export an audio file for use elsewhere.
Do not rely on the waveform alone: a visible waveform does not establish that the intended microphone was selected or that a take sounds good. The microphone gain guide explains input gain and why lowering playback volume does not repair a clipped recording.
How to record computer audio in Audacity on Windows
Audacity’s Windows playback-recording manual documents WASAPI loopback as a way to capture audio sent to a selected output. The exact device names depend on your hardware.
- In Audio Setup, choose Windows WASAPI as the host.
- Under Recording Device, choose the (loopback) entry corresponding to the speakers or headphones the source app uses. Confirm the source app is playing to that same output.
- Turn off audible input monitoring for this loopback recording as the manual advises; feeding loopback back to the output can create echoes or feedback.
- Start the source audio and make a short recording. The manual notes that a loopback stream may need an active audio signal before capture begins.
- Stop and play the recorded track. Check that it contains the desired program and not unwanted system notifications; test stereo if the selected device cannot record loopback in mono.
This records the playback sent through the chosen output, which may include other apps and system sounds. It does not isolate one participant or separate music from dialogue. To record your microphone as a distinct source, plan and verify a separate track or recording arrangement. The computer-audio guide compares capture methods and platform differences.
Record voice over a backing track
Import an authorized backing into Audacity and select the microphone as the recording device. Use headphones to keep the backing from spilling into the microphone, then record a short vocal while the backing plays. Check the resulting tracks separately: mute the backing to hear the voice, then listen to both together for timing and balance.
Audacity’s recording behavior and overdub settings depend on its version and preferences. If the backing does not play, the new take lands unexpectedly, or the timing is noticeably offset, check the current recording and latency settings before making a longer performance. Keep the original backing and each useful take. The latency guide distinguishes a delayed monitor from a saved recording that is out of sync.
Why is Audacity recording silence or the wrong sound?
| Problem | Next check |
|---|---|
| No microphone signal | Confirm the selected recording device, cable or USB connection, input gain and operating-system microphone permission. Reopen Audacity or rescan devices if needed. |
| Wrong microphone | Select the intended headset, interface or microphone explicitly instead of assuming the system default is correct; make another test. |
| Loopback is silent | Use the loopback entry for the output actually playing the source; ensure a stream is active and try stereo if mono fails. |
| Echo during computer capture | Turn off audible input monitoring for loopback and check for duplicated routing or another recording app. |
| Distorted peaks | Reduce the input gain before recording again. Turning down the already distorted track only makes the distortion quieter. |
| No sound on playback | Check the selected playback device, track mute state and output volume. Listen to an exported test too. |
Save the project and export your audio
Save the Audacity project if you need to return to the editable tracks. Export a separate audio file in a format appropriate to the next step, such as WAV for continued editing or MP3 for a smaller lossy delivery file. Reopen the exported file and check the beginning, ending and a difficult passage. Converting an existing lossy file to WAV does not restore previously discarded detail.
If steady noise is already in the take, the Audacity noise-reduction guide covers a noise-profile test. For a distinct background source overlapping a voice, the separate voice isolator can estimate the wanted speech; it may alter words or leave noise. AI downloads require an account and sufficient credits.
Common questions
Can Audacity record a microphone and computer audio at the same time?
It depends on the available device and routing. A normal microphone input and a Windows loopback input are separate sources; do not assume choosing one captures the other. Test the actual setup or record separate sources.
Is a saved Audacity project the same as an MP3?
No. An editable project and an exported audio file serve different purposes. Keep the project if you may need to revise tracks, and check the exported file independently.
Why does Windows loopback stop during silence?
Audacity notes that WASAPI loopback needs an active playback stream and can pause when none is present. Start the source audio and test the behavior of your device.
Can I use a browser to test my microphone first?
Yes. The local microphone test can play back a short browser sample, but Audacity may be using a different device or permission setting. Verify the selection again inside Audacity.