How to Record Internal and External Audio from Windows/Mac Computer

Lisa Ou

June 29, 2020 16:00 / Posted by Lisa Ou

Generally speaking, recording audio from computer can be divided into three situations.

  1. Record sound coming from your computer, such as songs, live streaming audio, audio calls, background music of your favorite video and more.
  2. Record audio on Windows or Mac with your voice. Usually, you can use a headphone or external microphone to record voice on computer clearly.
  3. Record not only streaming audio on computer, but also your voice over at the same time.

Which kind of audio do you want to record on your computer? Not all audio recording software can meet your demand completely.

How to Record Internal and External Audio from Windows/Mac Computer

Before recording computer audio and microphone, you need to figure out what you can get first. Luckily, this article will show you the detailed introductions and tutorials of audio recording.

  FoneLab Screen Recorder Audacity Voice Recorder
Platform Windows, Mac Windows, Mac Windows
Record Internal Audio x
Record External Audio
Record internal and external audio simultaneously x x
Audio editing tool x
User-friendly interface x

1. How to Record Audio on Computer with FoneLab Screen Recorder (Internal & External)

Is it possible to download and record audio from YouTube, Amazon Music, iTunes, SoundCloud and other media platforms? Of course, the answer is Yes. You can record streaming audio on your computer without quality loss. No background noise will be captured. There is no maximum time limit. Thus, you can record a playlist as MP3, WMA or other formats.

If you only want to record sound on computer only, you can enable the microphone recording feature only. FoneLab Screen Recorder will record what you are speaking through the connected microphone only. So you can record a lecture, interview or other conversions.

For people who want to record both internal and external audio on computer, you can set to record on computer from all audio sources. The audio recorder will recognize available audio coming from software, browser, microphone and more smartly. If you want to add voice over along with background music, you can not miss this audio recording software.

  1. Record internal audio on computer without microphone losslessly. You can make a copy of live streaming audio in a noisy environment.
  2. Record external sound on computer. Only audio throughout your external microphone can be recorded.
  3. Record audio playing on computer and from microphone at the same time.
  4. Save audio recording files as MP3, WMA, AAC, M4A or CAF format.
  5. Trim your audio recording with custom start and stop time.
  6. Compatible with Windows 10/8.1/8/7 and Mac OS X 10.10 or above.

Run FoneLab Screen Recorder

Free download, install and launch FoneLab Screen Recorder. This section will show you the Windows version. To record audio on Windows computer, choose Audio Recorder in the main interface.

fonelab screen recorder homepage

Record audio on your computer

Record internal audio: To record audio from video or music on your computer, turn on System Sound. Make sure Microphone is turned off. Only the sound coming from your computer will be recorded. Then adjust the volume bar below.  

Record external audio: If you want to record voice on computer, you can turn on Microphone and turn off System Sound. Thus, the internal audio will be ignored.

Record internal & external audio: During this time, turn on both System Sound and Microphone options. As a result, you can record system sound and your voice simultaneously.

audio recorder

Adjust audio recording settings

MP3 is the default output audio format. If you want to make changes, you can click the More settings on the top right corner. Here you can set the audio format and quality.

Record computer sound

Click REC to start recording audio on your Windows computer. You can pause and resume audio recording to skip unwanted parts. Click Stop to stop recording sound on computer. Later, click Save followed by Next to export the audio recording file.

save recording

2. How to Record Audio on Computer with Audacity (App & External)

Audacity is a free and open-source audio recorder and editor. It is supported to record audio from apps and webs, such as WhatsApp, Skype and other system sounds. Well, you can record a mix with Audacity as well. Moreover, you can customize multi-audio tracks with Audacity. In a word, you can record and edit audio on computer with Audacity for free.

Run Audacity. Click the down-arrow icon. You can see MME by default.

Select Windows WASAPI to record internal audio with Audacity on your computer.

Click the drop-down icon beside. Choose Speakers (Realtek High Definition Audio) (loopback). Thus, you can record audio coming from your computer.

Click Transport on the top toolbar. Select Transport Options. Remove the checkmark before Software Playthrough.

Click the red Record icon to start recording audio from computer in Audacity.

Stop recording on computer. At last, unfold the File list. Select Export followed by Export as MP3. Now you can record audio on computer as MP3.

record audio via audacity

Note: Audacity is not always good to use. You still need to install plugins and encoders to get advanced features. The complex interface and unstable bugs are not friendly to beginners.  

3. How to Record Audio on Computer with Voice Recorder (External)

Audacity is a free and open-source audio recorder and editor. It is supported to record audio from apps and webs, such as WhatsApp, Skype and other system sounds. Well, you can record a mix with Audacity as well. Moreover, you can customize multi-audio tracks with Audacity. In a word, you can record and edit audio on computer with Audacity for free.

Run Audacity. Click the down-arrow icon. You can see MME by default.

Select Windows WASAPI to record internal audio with Audacity on your computer.

Click the drop-down icon beside. Choose Speakers (Realtek High Definition Audio) (loopback). Thus, you can record audio coming from your computer.

Click Transport on the top toolbar. Select Transport Options. Remove the checkmark before Software Playthrough.

Click the red Record icon to start recording audio from computer in Audacity.

Stop recording on computer. At last, unfold the File list. Select Export followed by Export as MP3. Now you can record audio on computer as MP3.

record audio via audacity

Note: Audacity is not always good to use. You still need to install plugins and encoders to get advanced features. The complex interface and unstable bugs are not friendly to beginners.  

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