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Headroom

Loudness normalizer and Key+BPM playlist sorter for DJs

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HN · launched May 21, 2026 · 6 upvotes (top 69%) · 0 views

Niche: audio editing and processing utilities · 220 launches, 26 in the last 7 days ▼ -21% · Explore this niche →

Category and tags
  • Media & entertainment
  • Workflow automation
  • Prosumer
  • Not AI
  • Commercial product

Visit website ↗ Source listing ↗

More like this: all 220 launches in audio editing and processing utilities →

Could you build this?

Partial While playlist sorting and XML modification are straightforward, implementing true peak metering (ITU-R BS.1770 / EBU R128) and lossless in-place gain adjustment by directly modifying MP3/AAC bitstream global_gain frames requires specialized audio DSP and codec engineering.

What it would actually take: The system requires Rust or C++ leveraging libebur128 or custom 4x/8x oversampled true-peak detection algorithms to calculate LUFS and dBTP headroom. For lossless adjustment, it must directly parse MPEG Layer III and ADTS AAC bitstreams to rewrite frame header global_gain parameters without re-encoding, preserving ID3/rekordbox cue point metadata.

Discussion

1 comment analyzed.

Competitors

Other products that read as similar to this one : 1074 launches clear the similarity bar, closest 8 shown.

Attention rank: #759 of 1075 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 203 days after the earliest competitor.

  • Fraktur, a DJ mixing app in the browser · hn · 2026-10-30 · 28 upvotes · similarity 0.63
  • dj-mixer-studio · github · 2026-11-10 · 102 upvotes · similarity 0.63
  • dj-mixer · github · 2026-11-10 · 102 upvotes · similarity 0.62
  • mp3-maker · github · 2026-11-10 · 101 upvotes · similarity 0.62
  • mygo-music · github · 2026-11-04 · 954 upvotes · similarity 0.61
  • spotish · github · 2026-11-08 · 69 upvotes · similarity 0.60
  • kraken-player · github · 2026-09-16 · 15 upvotes · similarity 0.60
  • preamp · github · 2026-10-26 · 37 upvotes · similarity 0.60

Related data

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