
Technical
Jan 18, 2026
Tensormix vs LANDR vs eMastered vs SoundCloud
A technical, measurement-based comparison of Tensormix, LANDR, eMastered, and SoundCloud, examining how each automated mastering system handles loudness, dynamics, tonal balance, and stereo processing across the same source material. The analysis focuses on observable trade-offs rather than subjective listening impressions or marketing claims.
A Technical Comparison of Online Mastering Systems
This article presents a measurement-based comparison between four automated mastering solutions:
Tensormix
LANDR
eMastered
SoundCloud
The goal is not to rank these services subjectively, but to examine how each system behaves when applied to the same source material, using objective audio metrics.
Test Setup
Source Material
Three finished mixes were selected, each representing a different production context:
Phosphorescence - light, airy melodic breakbeat
I Want It - deep house / melodic techno
Drown - dark, bass-driven liquid drum and bass
Evaluation Metrics
Each output was analyzed using the same toolchain, focusing on:
Integrated loudness (LUFS)
True peak level (dBTP)
Dynamic range and crest factor
Spectral balance and tilt
Stereo correlation and side/mid energy
All original mixes and mastered outputs are publicly available on Arktide:
Results Data
Track 1 - Phosphorescence
Track 2 - I Want It
Track 3 - Drown
Track-Level Analysis
Track 1 - Phosphorescence (Melodic Breakbeat)
Key observations
Tensormix increases loudness moderately (-14.52 LUFS) while preserving more dynamic range than LANDR and eMastered.
LANDR and eMastered push slightly louder but reduce dynamics further.
eMastered introduces the strongest high-frequency emphasis, reflected in higher spectral center and tilt.
SoundCloud applies minimal processing and remains closest to the original mix.
Interpretation
For lighter, dynamic material, Tensormix favors controlled loudness gains and avoids aggressive tonal reshaping. LANDR and eMastered lean toward competitive loudness, with eMastered emphasizing brightness.
Track 2 - I Want It (Deep House / Melodic Techno)
Key observations
Tensormix raises loudness to -15.02 LUFS while maintaining the highest dynamic range among the mastering services.
LANDR and eMastered push closer to club-level loudness (-14 LUFS and above) with greater dynamic compression.
Tensormix shows a noticeable reduction in stereo correlation, indicating wider stereo processing.
SoundCloud again performs conservative normalization.
Interpretation
On rhythm-driven electronic material, Tensormix prioritizes dynamic retention and stereo width, while LANDR and eMastered favor loudness normalization typical of EDM-oriented mastering.
Track 3 - Drown (Liquid Drum and Bass)
Key observations
LANDR applies the most aggressive loudness target (-12.81 LUFS) with the largest reduction in dynamic range.
Tensormix raises loudness significantly but retains more dynamics than LANDR and eMastered.
eMastered introduces the strongest spectral tilt and highest spectral center, resulting in a brighter output.
Tensormix applies the widest stereo treatment among all services on this track.
Interpretation
For dense, bass-heavy material, Tensormix balances loudness increases with dynamic preservation, while LANDR prioritizes loudness at the expense of transient detail. eMastered trends toward high-frequency emphasis.
Cross-Service Behavior Summary
Tensormix
Targets moderate loudness rather than maximum LUFS
Preserves dynamic range more consistently across tracks
Applies controlled tonal shaping
Uses stereo widening more assertively than other providers
LANDR
Strong emphasis on loudness normalization
Most aggressive dynamic reduction, especially on bass-heavy material
Tonal shaping is generally restrained but heavily limited
eMastered
Consistently brighter tonal balance
Strong spectral tilt on multiple tracks
Dynamic reduction is significant but slightly less extreme than LANDR in some cases
SoundCloud
Primarily performs normalization
Minimal tonal, dynamic, or stereo alteration
Final thoughts
From a purely technical standpoint:
Tensormix emphasizes balance: moderate loudness, higher dynamic retention, controlled tonal changes, and expanded stereo image.
LANDR prioritizes competitive loudness, often at the cost of dynamics.
eMastered trends toward brighter, more forward tonal profiles.
SoundCloud should be considered a playback normalization system rather than a mastering solution.
These differences reflect design choices rather than quality judgments. Each system optimizes for a different interpretation of what “finished” audio should prioritize, depending on genre expectations, playback context, and production goals.
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