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Product description

DSEQ is a dynamic processor working in the frequency domain.DSEQ is removing digital harshness on the fly thanks to self-adjusting frequency bands.

DSEQ can be used in all mix and master situations:

DSEQ works fully in the frequency domain, providing very high frequency selectivity thanks to self-adjusting dynamic equalizers. DSEQ does its job with highest transparency even pushed hard. This avoids distortion, phasing and artefacts even with very critical sound material. And DSEQ offers several quality modes taming even singular frequencies.

On top DSEQ provides a very easy to use interface. With just a few parameters (threshold, selectivity and attack/release) a broad range of applications can be covered. Even the initial parameter set could make your mix more transparent. Just pick the threshold parameter and lower it step by step. From there you can start focusing on specific frequency regions by using the pre-filters.

On top DSEQ comes with AB-LM Lite providing perceptual loudness matching.


Interactive EQ display

The main EQ/spectrum display which lets you monitor the delta spectrum (input minus output) spectrum and adjust the pre-filter response curve.

Dynamic control

DSEQ analyses the input or side chain signal in the frequency domain and triggers then the dynamic equalizers depending on the threshold. This is done for each singular frequency that is available during the Fast Fourier Transformation (FFT).
The frequency selectivity determines whether and to what extent neighbouring frequencies are also affected. Attack and Release control how quickly the dynamic equalizers react.

The slope parameter lets you turn the spectrum of the input or side chain signal before going into the dynamic equalizers. With a positive slope value the dynamic equalizers with higher frequencies trigger earlier, with lower frequencies later. Just set the slope value to +3dB if you work witch pink noise mixing/mastering method.

Pre-Filter control

DSEQ works normally in the entire frequency range. You can limit the effect to certain frequency regions (e.g. highs for de-essing). Therefore, the signal for the dynamic equalizers can be processed using pre-filters. DSEQ offers various filter types such as cut, peak and shelf filters. The filter sensitivity determines how strongly the signal is recognized by the dynamic equalizers.


Demo version versus Registered version

In demo mode (without registering) the plugin mutes audio every 90 seconds for a short period. This could be circumvented by clicking on the "TBProAudio" logo within 90 seconds.


Please download DSEQ here.


Introduction (1.0.x):


Please order DSEQ activation key here.




Known issues



- UPDATE: bypass skips main gain
- UPDATE: decreased main gain control sensitivity
- FIX: Ableton offline render fix for backward compatibility

- NEW: continuous spectrum slope calculation
- UPDATE: changed quality/OS calibration from DIRAC back to white noise (V1.1.0)
- UPDATE: response curve drawing optimized

- UPDATE: new Presets (master, e-bass, vocals, sax ...)
- UPDATE: small DSP code improvements
- FIX: GFX glitch when using pre-filter with high slope/q setting

- NEW: quality mode Ultra 2
- NEW: Link quality to srate
- NEW: offline quality/OS modes (experimental, see manual)
- NEW: more pre-filter types with slope setting
- UPDATE: new presets (EGuitar, Vocals)
- UPDATE: improved calibration of quality/OS modes

- NEW: Max GR limit
- NEW: Parameter A/B
- FIX: improved Ableton compatibility

- FIX: GR spectrum spikes if AB-LM is active
- FIX: Ableton AU PDC crash
- FIX: disappearing active pre-filter with freq. 50Hz

- FIX: possible crash after plugin removal and adding again

- FIX: save default preset while playing
- FIX: bypass Studio One 4.6, 64bit processing

- FIX: internal buffer collision (e.g. Studio One 4.6, 64bit processing)
- UPDATE: new presets

- FIX: Mix dry/wet (OS) improved

- FIX: CPU spikes (show/hide GUI) reduced
- FIX: OSX GFX glitches

- FIX: OS/SC bug

- FIX: GUI update on Mac OSX improved
- UPDATE: GR factor from 0.1x to 10x
- UPDATE: manual, revised description of over-sampling

- FIX: wrong pre-filter monitor setting during OS

- Public release