Waveform
Trap typical envelope
EQ Profile
Sub-bass (50–80 Hz) & Hi-Hat Shimmer (10–15 kHz)
LUFS Target
SoundCloud integrated
Spectrum
Pink-noise reference
Heavy sub-bass, rolling hi-hats, sidechain pumping · Tuned for SoundCloud playback
Target: -11 LUFS · True Peak: -0.5 dBTP · Dynamic Range: 7-10 LU
| Parameter | Trap Specification |
|---|---|
| Loudness Target | -11 LUFS integrated (SoundCloud optimized) |
| True Peak Ceiling | -0.5 dBTP. Inter-sample peak limit |
| Dynamic Range | 7-10 LU LU. Genre-appropriate |
| EQ Focus | Sub-bass (50–80 Hz) & Hi-Hat Shimmer (10–15 kHz) |
| Stereo Image | Mono sub, wide stereo hi-hats and reverb |
| Platform Algorithm | SoundCloud uses aggressive loudness normalization and transcodes to 128kbps MP3. |
Trap mastering is a study in extremes: the 808 slide demands sub-bass extension to 30–40 Hz while the snare crack requires transient punch at 2–3 kHz and hi-hat rolls must shimmer above 10 kHz. All within a -9 to -14 LUFS target. The core challenge is 808 saturation. Soft clipping at the 808's fundamental (50–80 Hz) adds harmonic overtones at 100–160 Hz, making the sub-bass audible on phone speakers that can't reproduce below 80 Hz. Without this harmonic trick, your 808 disappears entirely on earbuds. Rolling hi-hats require careful true peak control. Trap hi-hats at 15 kHz cause inter-sample peaks above 0 dBFS on streaming encoders if the true peak ceiling isn't enforced at -1 dBTP. The sidechain relationship between kick and 808. Typically 4:1 ratio, 0.5 ms attack, 200 ms release. Must survive the mastering chain without the pumping effect bleeding audibly into the vocal reverb tail. A dynamic high-pass at 30 Hz removes subsonic content that wastes headroom and causes codec artifacts.
SoundCloud context: SoundCloud uses aggressive loudness normalization and transcodes to 128kbps MP3. Master slightly louder (-11 to -13 LUFS) and ensure clarity survives MP3 compression.
How -11 LUFS interacts with Trap's natural loudness window
Trap's natural -9 to -7 LUFS loudness sits roughly 3.0 dB hotter than SoundCloud's -11 LUFS target, so the platform turns the master down at playback. The competitive instinct to push to -7 or -8 LUFS for "loudness wars" parity is wasted on SoundCloud. the platform takes the gain back, and the only result is the dynamic compression you paid for with no perceived loudness benefit. Target -11 LUFS integrated directly and bank the saved dynamic range as tight and loud. The -0.5 dBTP ceiling specified for SoundCloud prevents inter-sample peaks from clipping during the codec's reconstruction filter, which is especially relevant for Trap's 808 sub-bass content where high-amplitude transients accumulate against the limiter.
SoundCloud encodes at 128 kbps free / 256 kbps Go+ and plays primarily through compressed-tier streams. the listener's playback chain destroys content below 60 Hz and rolls off above 12 kHz before your master ever reaches their ear. Trap's 808 sub-bass and crisp hi-hat detail content needs to translate at 100-200 Hz low-mid smear and 10 kHz+ rolloff or it disappears from the playback. Harmonic-exciter saturation that re-creates fundamentals as upper harmonics is more useful than EQ boosts on this platform: phone speakers can reproduce harmonics that they cannot reproduce as fundamentals. The dynamic-range character of Trap (tight and loud, 6-8 LU) interacts with this codec tier specifically: compress conservatively, then let the codec do the rest. Over-compression at the mastering stage stacks with the codec's loudness handling and produces a flat, fatigued listening result.
Sub-bass: High-pass at 25 Hz, then boost 50–60 Hz by 2 dB for heavy sub. Mono sub below 80 Hz.
Kick clarity: Boost 60–100 Hz for kick thump and 2–4 kHz for click/attack.
Hi-hat sparkle: Gentle boost at 10–12 kHz for rolling hi-hat presence.
Sidechain: Ensure sidechain pumping survives the master. It defines the trap groove.
Multiband: Keep low band (sub, 20–80 Hz) tight and controlled. Sub-bass is the loudest element.
Master limiter: Trap can tolerate harder limiting (4-8 LU range) for maximum impact.
808 sidechain: Verify the kick-sidechain pumping effect is preserved and audible at ${platform.lufsTarget} LUFS.
How Trap mastering specs differ across every major streaming platform.
| Platform | Integrated LUFS | True Peak | Current page |
|---|---|---|---|
| -14 LUFS | -1 dBTP | View guide → | |
| -16 LUFS | -1 dBTP | View guide → | |
▶️YouTube | -14 LUFS | -1 dBTP | View guide → |
| -14 LUFS | -1 dBTP | View guide → | |
☁️SoundCloud | -11 LUFS | -0.5 dBTP | You are here |
| -14 LUFS | -1 dBTP | View guide → | |
| -13 LUFS | -0.5 dBTP | View guide → | |
🎛️Beatport | -9 LUFS | -0.3 dBTP | View guide → |
| -14 LUFS | -1 dBTP | View guide → | |
| -14 LUFS | -1 dBTP | View guide → | |
| -14 LUFS | -1 dBTP | View guide → | |
| -15 LUFS | -1 dBTP | View guide → |
Target: -11 LUFS integrated · -0.5 dBTP true peak · EBU R128 / ITU-R BS.1770-4 compliant
We measure integrated LUFS using K-weighted filtering per ITU-R BS.1770-4: a high-shelf pre-filter at 1681.97 Hz (+3.9998 dB gain) followed by a 75 Hz high-pass (Q=0.5) to remove DC offset and low-frequency rumble. The mean square of the filtered signal gives us integrated loudness in LUFS.
True peak (dBTP) is measured at 4× oversampling to detect inter-sample peaks that occur between digital samples. Sample-peak measurement alone misses these peaks, which cause audible clipping during AAC and MP3 lossy encoding on streaming platforms. We enforce the true peak ceiling at -1 dBTP for all standard platforms.
Genre EQ profiles apply frequency-specific gain based on each genre's sonic characteristics: mud reduction at 250–400 Hz for hip-hop and trap, presence enhancement at 2–4 kHz for vocal clarity on phone speakers, sub-bass high-pass at 30–35 Hz for all genres to remove inaudible subsonic content that wastes headroom.
Master bus compression uses a VCA-style algorithm with genre-tuned attack and release times. Lo-fi and jazz use 50 ms attack to preserve transients; EDM and techno use 5–10 ms for density. Parallel compression blends the compressed signal at 20–40% wet to lift room sound without eliminating the uncompressed transient attack.
The final limiter stage uses lookahead limiting (3–5 ms) to catch transient peaks before they exceed the true peak ceiling. The limiter targets platform-specific LUFS: -14 LUFS for Spotify, -16 LUFS for Apple Music, -11 LUFS for SoundCloud, -9 LUFS for Beatport. Gain reduction is transparent at 1–2 dB of limiting; beyond 3 dB audible artifacts require reducing the input drive.
All processing runs in your browser via Web Audio API. No audio data is uploaded to any server.
Target -11 LUFS integrated, true peak -0.5 dBTP. Trap benefits from consistent loudness. Don't go louder or SoundCloud will normalize it down.
Use multiband compression to control the sub-band separately. Mono the sub below 80 Hz for compatibility. Use True Peak limiting. 808 sine waves create high inter-sample peaks that distort on streaming platforms.
Yes. SoundCloud's 128kbps encoding can blur fast hi-hat rolls. Use Ozone's codec preview to check.
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