Core feature

Render seamless audio at the exact duration you need

Choose the mood, duration, and transition feel. Luppen turns Nova Sounds catalog selections into one continuous file for commercial use.

Start your accountUse the product flow and explore mixes inside the library.
The core shift
Problem

Why fixed stock tracks break down

Most music libraries stop at fixed 2 to 4 minute tracks. That is workable for a quick cut, but it breaks down for a 60 minute meditation, a 4 hour spa block, or a livestream that needs one stable bed without awkward loops.

Luppen

How Luppen solves it

Luppen takes a mood-led source set, applies transition logic, and renders one downloadable output that matches the target duration. Teams get a practical production asset instead of a pile of fragments.

What the mix engine is built for

Custom-length music mixes

Luppen lets teams render one continuous licensed audio file at the exact length they need instead of stitching together fixed stock tracks by hand.

Exact duration control

Build from 1 minute to 8 hours without manual looping or timeline editing.

Mood-consistent rendering

Keep the same emotional lane across long sessions for calm, focus, sleep, cinematic, and ambient use cases.

Commercial licensing workflow

Turn one production request into one file that is easier to review, approve, and report than loose track bundles.

Programmatic generation

Fit the same capability into app backends, creator workflows, and operational content teams.

Preview to output path

Audition ideas, refine the source set, then download a final asset instead of rebuilding from scratch.

Fit

Best fit

  • Meditation and sleep products that need exact session lengths.
  • Retail and hospitality teams building long ambient blocks.
  • Creators who need a stable background bed for long-form edits.
  • Brands that want one approved deliverable instead of track-by-track handoff.
Conversion

How to frame this in v1

Treat custom-length mixes as the flagship capability that moves people into the account flow. Publish detailed pricing later, but make the product promise clear now.

Starter
Account-based access
  • Browse the catalog and build a first mix workflow.
  • Use the same sign-up path as the app.
Team workflow
Commercial workflow positioning
  • Custom-length rendering as the lead capability.
  • Discovery, shortlist, and download flow in one product.
Comparison

Why teams switch to this workflow

TopicLuppenFixed-track libraries
Duration controlExact target durationManual looping or editing
Delivery formatOne rendered fileMany separate source tracks
Operational fitApps, creators, and brand teamsMostly editorial track picking
Long-form calm audioBuilt for ambient continuityOften stitched from short tracks
Practical examples

Common examples

  • A 60 minute sleep session inside a wellness app.
  • A 90 minute yoga flow with one emotional arc.
  • A 4 hour reception soundtrack for spa or hospitality.
  • A background music bed for a 2 hour creator stream.
  • A branded ambient file for in-store playback.
FAQ

Frequently asked questions

How is this different from downloading six tracks?

The point is not only access to tracks. The point is getting one continuous output that already fits the duration and listening context.

What makes long mixes usable in practice?

Teams avoid awkward loop points, reduce edit time, and ship one easier-to-review file instead of managing a manual timeline.

Can this support app and physical-space use cases?

Yes. The positioning in v1 is explicitly for apps, creators, and brand environments rather than consumer-only listening.

Is the feature still useful for creators?

Yes. It is especially useful when the edit length is known up front and the creator wants one stable bed instead of track juggling.

Next step

Start your account

Use the product flow and explore mixes inside the library.