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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 🙏
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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 #151 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.
One Master was featured in Design Tools (260.6k followers), Music (53.4k followers) and SaaS (42.5k followers) on Product Hunt. Together, these topics include over 93.9k products, making this a competitive space to launch in.
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.
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Optimus Group