Most course creators record at home. And most home recordings sound like it — room echo, background hum from the HVAC, uneven volume when you lean toward or away from the microphone. Descript's Studio Sound fixes all three problems with a single toggle. It uses AI-powered noise removal, echo reduction, and audio leveling to turn a bedroom recording into something that sounds like you rented studio time. The difference is immediate and, for most recordings, dramatic.
What you’ll walk away with:
- Professional-sounding audio from a home recording
- Background noise, echo, and volume issues fixed in one step
- A simple workflow that adds 2 minutes to your editing process
Why Studio Sound Matters for Course Audio
Students tolerate imperfect video. Shaky framing, uneven lighting, a slightly cluttered background — none of these will make someone stop watching a lesson. But poor audio will. If your voice competes with fan noise, or if echo makes every sentence sound like you are teaching from a bathroom, students lose focus fast. Some will stop the lesson. A few will request a refund.
The traditional fix is expensive: buy acoustic panels, invest in a condenser microphone, record in a treated room. That works, but it assumes you have a dedicated recording space and the budget for gear. Studio Sound gives you a shortcut. It will not replace a professional studio, but it closes most of the gap between "recorded at my kitchen table" and "sounds polished enough that students never think about the audio."
What makes it practical for course creators specifically is that it handles the full cleanup in one step. You do not need to apply separate noise reduction, then a de-reverb plugin, then a compressor for leveling. Studio Sound bundles all of that into a single control. One toggle, one decision.
How to Use Studio Sound: Step by Step
Import your audio or video
Open Descript and create a new project, or add your file to an existing one. Descript accepts most common formats — MP3, WAV, MP4, MOV, and others. When you import a video file, the audio track is automatically separated and transcribed, but the video stays attached for export.
Select the audio track
Click on the audio clip in your timeline or composition. If your project has multiple speakers or tracks, select the specific track you want to process. Studio Sound applies per-track, so you can treat each speaker independently if needed.
Find Studio Sound in the audio panel
With your track selected, open the audio effects panel on the right side of the editor. Studio Sound appears as a toggle under the audio enhancement section. In recent versions of Descript, it is one of the first options you see — they know it is the feature most people reach for.
Toggle it on and preview
Switch Studio Sound on. Play back a section of your recording and listen to the difference. Most people hear the change immediately — the room echo disappears, background noise drops away, and the voice sounds cleaner and more present. Toggle it off and on again to compare. You want to confirm the improvement without introducing any artifacts.
Adjust intensity if available
Depending on your Descript plan and version, you may see an intensity slider that lets you control how aggressively Studio Sound processes the audio. For most course recordings, the default setting works well. If your original audio is particularly noisy, you can push the intensity higher. If it sounds overprocessed — slightly metallic or robotic — pull it back.
Export your cleaned file
When you are satisfied with the result, export your project. For audio-only files, export as MP3 or WAV. For video, export as MP4. Studio Sound processing is baked into the export — you do not need to apply it as a separate step. The file you get is the cleaned version.
The human layer
Studio Sound solves a real problem, and it solves it well. But clean audio is table stakes, not a differentiator. Removing background noise does not fix an explanation that meanders for three minutes before reaching the point. It does not add energy to a monotone delivery. It does not restructure a lesson that buries the key insight at the twelve-minute mark.
The audio quality your students notice most is not technical — it is pedagogical. Clear explanations, well-paced delivery, and a voice that sounds like it cares about the material. Those qualities come from preparation and practice, not from an AI toggle. Studio Sound handles the engineering so you can focus on the teaching. That is the right division of labor.
Course Creator Tips
Apply Studio Sound before other edits
If you are also cutting filler words, removing silences, or rearranging sections in Descript, toggle Studio Sound on first. Processing the raw audio before making edits gives you a cleaner starting point and avoids situations where a cut creates an audible transition artifact that Studio Sound then has to work around.
Test the result with headphones
Laptop speakers hide a lot. Headphones reveal whether Studio Sound introduced any subtle artifacts — a slight metallic quality on sibilant sounds, or a faint pumping effect during pauses. If you hear something off, try reducing the intensity or re-recording that section. Your students will be listening on earbuds, so test the way they will experience it.
Do not stack it with other noise reduction
If you have already run your audio through a standalone noise reduction tool — Audacity's noise removal, Adobe Podcast's Enhance Speech, or a hardware processor — skip Studio Sound. Layering multiple noise reduction processes almost always makes the audio worse, not better. Each pass removes more of the natural characteristics of your voice. Pick one tool and trust it.
What it gets wrong
Studio Sound works by modeling what your voice "should" sound like in a treated room and adjusting the recording to match. That modeling is imperfect, and the artifacts show up in predictable ways.
Some voices — particularly higher-pitched voices or voices with a lot of natural breathiness — develop a slight metallic edge after processing. It is subtle enough that most listeners will not consciously notice, but if you hear it in your own recordings, it is worth reducing the processing intensity or testing whether a different microphone position gives Studio Sound better source material to work with.
Very loud background noise also pushes past its limits. Studio Sound handles consistent low-level noise well (a fan, traffic, a refrigerator hum). It struggles with intermittent loud sounds — a dog barking, a door slamming, a construction crew outside the window. Those events are different enough from steady-state noise that the algorithm cannot cleanly separate them from your voice. If your recording environment is genuinely loud, the better solution is to re-record during a quieter time.
Finally, heavy processing can slightly alter your voice character. The warmth or roughness that makes your voice distinctive may get smoothed out. For a course where students are spending hours listening to you, preserving your natural voice matters. Listen critically before committing to the highest processing level.
Frequently asked questions
Does Studio Sound work on video files or only audio?
Studio Sound works on both. When you import a video file into Descript, the audio track is automatically separated for editing. Toggling Studio Sound on processes the audio portion while leaving the video untouched. You export the final file with cleaned audio and original video intact.
Is Studio Sound included in Descript's free plan?
Studio Sound is available on the free plan with limited usage. The free tier allows up to one hour of transcription per month, which also covers Studio Sound processing. For a full course with multiple lessons, you will likely need the Hobbyist plan ($24/month) or Creator plan ($33/month), which include unlimited transcription and audio processing.
Can Studio Sound fix audio that was recorded on a laptop microphone?
It can improve it noticeably, but results depend on how bad the original is. Studio Sound handles consistent background noise (fans, air conditioning, traffic) and moderate room echo well. It struggles with severe clipping, distortion, or very loud intermittent sounds like construction. A laptop recording in a quiet room will sound significantly better. A laptop recording in a coffee shop will improve but will not sound like a studio.
Polished audio, ready for your course
Clean audio makes the difference between a lesson students finish and one they abandon. Now that your recordings sound professional, upload them directly into your Ruzuku course — built-in video hosting means you do not need a separate Vimeo or Wistia subscription. Your polished recordings sit alongside text, slides, and discussion prompts in a single lesson view.
Studio Sound handles the engineering. Ruzuku handles the course structure. You handle the teaching — which is the part that actually matters.
Related guides
- How to Edit Course Videos Using Descript's AI Features — the broader Descript editing workflow, including text-based video editing
- How to Clean Up Course Audio Using Adobe Podcast (Free) — a free, web-based alternative for audio-only cleanup
- How to Repurpose Course Videos Into Social Clips Using Opus Clip — once your audio is clean, turn lessons into short-form marketing clips
- How to Create Your First Online Course — the complete guide from planning through launch
- Ruzuku Course Builder — upload audio and video into lessons with built-in hosting