Plugin interface — screenshot pending
Mastering

Mastering Assistant

Apple

Mastering Assistant is an intelligent mastering plugin designed to optimize your final mix for playback across any device. It automatically analyzes audio and applies dynamic processing, frequency corrections, and sonic enhancements inspired by professional mastering hardware to prepare mixes for streaming distribution at industry-standard loudness levels.

Key Features

014 character presets (Clean, Valve, Punch, Transparent) with different sonic processing chains
02Automatic audio analysis with manual reanalysis capability
03Auto EQ slider for controlling correction intensity (0-100%)
04Loudness control targeting streaming platform standards (–14 LUFS-I)
05True Peak meter with dBTP scale and –1 dBFS limiting
06LUFS meter with momentary (M), short-term (S), and integrated (I) loudness measurement
073-band custom EQ with low (20-200 Hz), mid (200-8.0 kHz), and high (8.0-20.0 kHz) frequency control
08Stereo width control with correlation meter for phase relationship analysis

Things to Try

  • 01Set Loudness knob to center position for approximately –14 LUFS-I target loudness typical for streaming platforms
  • 02Use Excite button to introduce saturation in upper-mid frequencies for vintage transformer-based console character similar to 1960s-1980s designs
  • 03Drag Width knob fully left to create mono mix for checking mono compatibility
  • 04Compare processed and unprocessed audio using Bypass button combined with Loudness Compensation button to ensure unbiased listening

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Mastering Assistant by Apple | Plugin Library