Recording setup capturing both screen and audio simultaneously
Can every screen recorder capture audio, or is it a special feature?
Most modern recorders support audio capture as standard, but “audio” splits into two distinct sources — system audio (what’s playing on the computer) and microphone audio (your voice) — and not every tool handles both equally well. That distinction is the source of most audio-related confusion in this category.
What’s the actual difference between system audio and microphone audio?
System audio is sound your computer is producing — a video playing, a game’s sound effects, a call’s audio. Microphone audio is sound captured through your mic, typically your own narration. Many recorders capture one by default and require an extra step to enable the other.
Why does my recording have no sound at all?
The most common cause across every platform is a toggle that defaults to off — either the microphone wasn’t enabled before recording started, or system audio capture wasn’t selected. Check both settings specifically before assuming the software is broken.
Why does my Mac recording have no system audio, only my voice?
macOS doesn’t expose system audio capture to third-party apps natively on older setups — many Mac recorders historically required a virtual audio driver (BlackHole, Soundflower) to capture internal audio at all. Current-generation tools increasingly handle this natively; check whether your specific recorder needs the extra driver step.
Does Windows have the same system-audio limitation as Mac?
No — Windows exposes system audio (often called “stereo mix” or “what you hear”) more directly, and most Windows recorders capture it without extra configuration. This is one of the more consistent cross-platform differences worth knowing.
How do I record both my voice and system audio at the same time?
Most recorders that support both do so via two separate toggles — enable microphone and system/internal audio simultaneously before recording, and confirm in a short test recording that both tracks are actually present, since some tools silently drop one if not explicitly enabled.
⚠️ What actually breaks:
Recording both sources but forgetting to check the playback afterward is the most common way people discover — after the fact — that only one audio source actually captured. A 10-second test recording before anything important catches this every time.
Can I record audio without recording video at all?
Yes — most screen recorders, and many dedicated audio tools, support audio-only recording as a separate mode. If you specifically need this, check for an “audio only” mode rather than recording full video and discarding it afterward.
Is there a quality difference between microphone and system audio capture?
Generally, system audio is captured at whatever quality the source is already playing at (often quite clean), while microphone quality depends heavily on the actual microphone hardware and room acoustics — a built-in laptop mic will sound noticeably worse than system audio in most recordings.
Why does my audio drift out of sync with the video on long recordings?
This is a known issue on longer recordings with certain software-encoded recorders, where audio and video are captured on slightly different clocks and drift accumulates over time. Hardware-encoded recorders and more actively maintained software generally handle this better — see our dedicated guide on fixing audio sync issues for the specific fixes.
Do mobile screen recorders (iPhone/Android) handle system and mic audio the same way as desktop?
Largely yes on current versions — both platforms’ built-in recorders let you toggle microphone audio on or off, with system audio captured by default. The desktop distinction (system audio needing extra setup) is much less of an issue on modern mobile OS versions.
What’s the single most common fix when audio isn’t working at all?
Checking that the microphone toggle is actually on before you start recording. It sounds too simple to be the answer this often, but across every platform covered on this site, this is by far the most frequently reported cause.
Frequently asked questions
Can I fix audio sync after recording, or do I need to get it right during capture?
Post-production audio sync fixes are possible in most video editors, but they’re extra work — getting it right during capture with a stable-clock recorder saves that step.
Does every free screen recorder support system audio capture?
No — several free and budget tools in this category (covered in individual reviews on this site) require a third-party audio driver or don’t support system audio at all. Check the specific tool before assuming.
Related reading: Fixing audio sync issues in screen recordings · Getting internal audio right on Mac · How to record your screen on Windows 11 (no extra software)