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One Master
Stem-aware AI mastering — Spotify-ready in 10 seconds
> Most AI mastering tools take one mixed file and apply a one-size-fits-all chain — they can't tell vocals from drums, so they over-compress the vocal trying to control the kick. OneMaster is stem-aware: upload beat and vocal as separate channels, and the AI enhances each independently (de-essing vocals, prepping beats), then sums and runs a 3-pass loudness chain calibrated to Spotify/Apple delivery specs (-9 LUFS, -1 dBTP, 24-bit). 10s delivery, 5 free previews, $15/song.
> Hey Product Hunt 👋
>
>I'm Mil — independent musician. I built OneMaster because I was tired of two bad options for indie artists:
>
>*1)* Pay a studio engineer $200-500 and wait 3 days
> *2)* Use a free AI tool and get a squashed, lifeless master with no personality
>
>Existing AI mastering tools take your full mix as a single file and run a generic chain. They can't tell vocals from drums — so they over-compress the vocal trying to control the kick, and you end up with that classic "pumped" sound that ruins the track.
>
>*OneMaster works differently.* You upload beat and vocals as separate channels. Each gets its own DSP treatment — de-essing + presence boost on vocals, HPF + low-mono prep + glue comp on beats — and THEN they're summed and run through a 3-pass loudness chain tuned for Spotify/Apple/Tidal delivery specs. The result sounds like it actually went through a mastering studio, because the chain is the same one.
>
>A few things I'm proud of:
>
>• *10 seconds* from upload to delivery
> • *5 free 25-second previews* per account — try before you pay, zero card
> • *3 free revisions* on every paid master — try different characters, different LUFS targets, no extra credits
> • *Transparent pricing*: 100 credits = 1 minute, never expires. $15 for a single, $62 for an EP, $141 for a full album
>
>This is the tool I wished existed when I was uploading my first song. Now it does.
>
>Try it free at *onemaster.ai* — would love to hear what you think. Especially open to feedback from other producers on the chain quality and the stem-aware approach 🙏
About One Master on Product Hunt
“Stem-aware AI mastering — Spotify-ready in 10 seconds”
One Master was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #139 on the daily leaderboard. > Most AI mastering tools take one mixed file and apply a one-size-fits-all chain — they can't tell vocals from drums, so they over-compress the vocal trying to control the kick. OneMaster is stem-aware: upload beat and vocal as separate channels, and the AI enhances each independently (de-essing vocals, prepping beats), then sums and runs a 3-pass loudness chain calibrated to Spotify/Apple delivery specs (-9 LUFS, -1 dBTP, 24-bit). 10s delivery, 5 free previews, $15/song.
On the analytics side, One Master competes within Design Tools, Music and SaaS — topics that collectively have 356.6k followers on Product Hunt. The dashboard above tracks how One Master performed against the three products that launched closest to it on the same day.
Who hunted One Master?
One Master was hunted by Optimus Group. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of One Master including community comment highlights and product details, visit the product overview.
Optimus Group