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Online Mastering SK is a Slovakia-based online music post-production and creative production service provider, focusing on online mastering, professional mixing, AI-generated music repair, distribution, and music video production. It is not a self-service AI design tool in the traditional sense, but more of a “music production and content distribution studio.” Its target users include musicians, bands, singers, rappers, producers, and AI music creators.
The website emphasizes its ability to handle AI artifacts in AI-generated music, such as “cold, metallic, filtered/flanged high frequencies,” and to replace low-quality drum sounds, making AI-generated tracks closer to real productions. Its standard services include industry-standard mixing, high-end mastering, LUFS loudness optimization, vocal tuning, BPM synchronization, pitch correction, multi-part vocal production, and distribution to platforms such as Spotify, Apple Music, YouTube, and TikTok. Its one-stop service model is a key highlight: audio, video, and distribution can all be handled by the same team.
The official website does not provide a complete price list. It only mentions that the typical market price for mixing is around €200–250 per track, and states that if a music video is produced, services such as vocal tuning, multi-part vocals, and distribution can be included for free. Its copyright terms are relatively appealing: it does not take commissions from music sales, charges no hidden fees, and revenue belongs to the creator. However, the specific contract terms, licensing scope, refund policy, number of revisions, and delivery standards are not disclosed, so these should be confirmed before entering into any formal collaboration.
The main advantage is its broad service coverage, making it suitable for independent musicians who do not want to separately find a mixing engineer, mastering engineer, distributor, and video team. Its positioning around AI music repair is also relatively new. The downside is that the page has a strong marketing tone and lacks listening samples, technical workflow details, pricing breakdowns, and verifiable delivery parameters. Its claim that it can make AI music unrecognizable to platform detection systems may also raise platform compliance risks.
It is better suited to independent musicians, AI music creators, and those who want to package an entire single release, especially in Europe and particularly in Slovak/Czech-speaking contexts. The review text does not provide information about access from China, so its availability is unknown. If large file uploads and overseas music platform distribution are involved, users in China should further confirm access speed, payment methods, and cross-border copyright arrangements.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on onlinemastering.sk official site.
onlinemastering.sk is an Slovakia Streaming provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach onlinemastering.sk directly.