Eiosis E²Transienter

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E²Transienter

The E²Transienter brings a unique, simple and powerful approach to transient processing.

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Detailed features

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Detection Section
Use the E²Transienter detection section to adjust how the E²Transienter reacts to the transients.

The detection section
The detection section is composed of three specific detection parameter sets: transient detection, stereo and filter parameters.

Transient detection parameters

The transient detection parameters let you adjust how the audio transients will be managed.

● Transient Sensitivity: it controls how sensitive the algorithm will be regarding the incoming audio transients. On the Min position, only very sharp and big transients will be detected as attacks, and on the Max position, the algorithm will be more sensitive to incoming audio transients.
It allows adapting the detection to the audio signal you are processing: all audio tracks have different transient characteristics, so this parameter is crucial.
● Time sensitivity: adjusts how reactive the attack detection algorithm is. On the Fast position, fast successive attacks will be detected, and on the Slow position, the algorithm will be less reactive to successive attacks. This means that it will only detect "main" attacks, which could be useful in isolating specific parts of an audio track.
● Release: adjusts the attack length. On the Fast position, the attacks are very short, and on the Slow position, they are longer. You can then precisely adjust how the dynamics of the attacks will be affected, even creating gating like effects.

● Amount VU Meter: Displays the attack detection amount. When all the LEDs are off, it means that no attack is detected. When the VU Meter is fully lit, the sound is being processed by the Attack section. Between both extremes, attack processing and non attack processing are gradually mixed.

Stereo detection parameters

The stereo parameters let you adjust how the detection manages stereo signals. It has three parameters, from right to left: stereo detection mode (L/R or M/S), channel parameter (L to R or Mid to Side).

● L/R and M/S modes: You can choose two options for the detection: L/R or M/S. The L/R detection processes the Left and Right channels separately, as the M/S section processes the attacks inside Mid and Side channels.
The L/R mode is very useful when you have stereo tracks where you want to process panned attacks, for example alternative left and right percussive sounds.
The M/S mode is more intended to process the center of your stereo file and its stereo ambiance separately. For example, a drum mix buss or a drum loop.
● Left/Right Pan: With this parameter, you can select which channel will be used for detection. In the M/S mode, you will be able to gradually sweep from Mid to Side detection, which allows very fine stereo adjustments.
● Mon/Stereo/Wide: Sometimes it can be useful to process a stereo file in mono mode, or to smoothly widen the attacks only. You can choose whether you process only detection or both detection and the attack process with the stereo options.
● Phase Switch: Switched on, it reverses the phase of the detection and optionally of the transients. In M/S mode, it has a special behavior which allows shifting Mid or Side channels in the stereo field.

Filter detection parameters

The filter parameters adjust the sidechain filter characteristics.

● HP Freq: The frequency of the High Pass filter. The High Pass filter allows cutting the bass frequencies, and thus easily detect high frequency attacks.
● LP Freq: The Low Pass filter frequency allows cutting the high frequencies of the detection filter, in order to detect attacks in the bass range.
● Listen: When switched on, you can listen to the output of the detection filter, combined with the detection options. This way, you can isolate a frequency band of the audio to get more targeted detection, and also listen to the stereo and filter combined effect.

Attack Section
In the E²Transienter attack section, adjust the attack sound and volume.

The attack section
The attack section is where the detected attacks are processed. In this section, you can adjust the attack gain and the equalization settings.

● Level gain: This setting adjusts the global level of the attacks.
● Filter type: Bell, High Shelf, 12dB resonant Low Pass and a special Loudness filter.
For Bell and Low Pass filters, the wide range of the Q factor allows having steep resonances, which can be very useful to add low end, to enhance a natural resonance or to make special effects..
The High Shelf filter has a very smooth behavior and is adjusted with its center frequency to get a natural balance.
The Loudness filter is a special filter which lets you quickly increase or decrease the loudness contour of the attacks. Thus you can bring up the transients with just a mouse click using the very intuitive Loudness 2-parameter filter.
● Listen: When switched on, this control allows soloing the attacks. This feature is very useful for finer adjustments of the detection parameters, particularly the sensitivity and release settings.

The E²Transienter interface - Filter display
The global parameters : Input and Output Gains, Input Gain automatic compensation, Listen to non attacks. Several options are also accessible in the option menu.

Global parameters
Global parameters are Input and Output Gains, Input Gain automatic compensation, Listen to non attacks. Several options are also accessible in the option menu.

● Input and Ouptut Gains : These gains are useful for preventing clipping and adjusting the output level.
● Listen non attack : Listen to the "inverse" attacks. This is useful when using two E²Transienters on identical tracks, or to create pumping compression like effects. It also allows finely adjusting the detection settings. Non attacks can also be equalized thanks to a special mode option.

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