To master for YouTube, target around -14 LUFS integrated with a true-peak ceiling of -1 dBTP. YouTube normalizes loud uploads down toward roughly -14 LUFS on playback, so mastering much hotter than that gets turned down and buys you nothing but limiting damage. Master to the target, give YouTube a high-bitrate file, and your track plays back clean, consistent and loud enough to sit alongside everything else on the platform.
How YouTube handles loudness
YouTube applies loudness normalization to keep videos at a consistent volume, landing around -14 LUFS. If you upload a master at -9 LUFS, YouTube attenuates it by about 5 dB on playback. You can actually see this: right-click a video, choose "Stats for nerds," and the "Content Loudness" figure tells you how much YouTube is turning that specific upload up or down. A negative number means it got turned down.
The takeaway is the same as every other normalizing platform. There is no reward for a crushed master. Two tracks at -14 and -9 LUFS end up at the same playback volume, but the -14 one kept its dynamics and punch. For the full platform comparison, read what LUFS to use for streaming.
Music-only vs audio-for-video
Mastering for YouTube splits into two jobs, and they are not the same.
Music uploads (topic channels, lyric videos, visualizers)
Treat this exactly like a streaming master. Around -14 LUFS integrated, -1 dBTP ceiling, full stereo, and the same care you would give a Spotify release. This is your track standing on its own, so it should sound like a finished record.
Music inside a video (vlogs, film, content with dialogue)
Here loudness is about balance, not just a number. If your music sits under narration or dialogue, the whole program still wants to average around -14 LUFS, but the music needs to duck well below the voice so speech stays intelligible. A common approach is to mix dialogue to sit clearly on top and keep background music 10 to 20 dB under it during speech, rising in the gaps. Master the final mixed program to -14 LUFS, not the music bed in isolation.
True peak and headroom
Set your ceiling to -1 dBTP. YouTube compresses your audio into AAC and Opus, and lossy encoding can push inter-sample peaks past 0 dBFS if you mastered with no headroom, adding distortion that was not in your file. The 1 dB of true-peak headroom is your protection. If the difference between sample peak and true peak is fuzzy, read true peak explained.
Stereo, mono and phone speakers
A huge share of YouTube gets watched on phones, laptops and TVs, many of which sum to mono or play through a single small speaker. Check your master in mono before you upload. If your low end or a key element disappears when summed, you have a phase problem in the mix that mastering will not fix. Keep the important stuff - kick, bass, lead vocal, main melody - solid in the center so it survives mono playback and cheap speakers.
Wide stereo effects and hard-panned elements are fine as flavor, but nothing load-bearing should live only in the sides. If you want your mix bigger without killing the mono compatibility, read how to make your mix louder, which covers arrangement and balance rather than just limiting.
Upload and export settings
- Give YouTube the best audio you can. Export your video with high-bitrate audio - 320 kbps AAC minimum, or better, upload with uncompressed or lossless PCM audio if your export supports it. YouTube re-encodes everything, so a higher-quality source survives the transcode better.
- 44.1 or 48 kHz sample rate. 48 kHz is standard for video, 44.1 kHz is standard for music. Either is fine; match your project.
- Deliver a clean master WAV to your video editor. If you master the audio separately, hand off a -1 dBTP, -14 LUFS WAV rather than an MP3. Read how to export a WAV for mastering for a clean bounce.
- Do not pre-crush to beat normalization. You cannot out-loud the algorithm. Master to target and let YouTube leave you alone.
Quick checklist before you upload
- Integrated loudness around -14 LUFS across the whole track or program
- True peak at or below -1 dBTP
- Checked in mono - nothing important vanishes
- Dialogue clearly above music if it is a talking video
- Exported with the highest-quality audio your tool allows
Get those five right and your YouTube audio will sound consistent, clean and appropriately loud without any fight against the platform's normalization.
Try it on your own track. Upload a mix to Sauce Mastering and hear it mastered for streaming - your first master is free, no plugins, no card.