# Midi cc fill with types such as exponential, linear, sine, etc to help generate modulation **URL:** \ **Category:** Feature Requests\ **Tags:** midi-sequencer, play\ **Created:** [July 12, 2023, 11:54pm UTC](https://backstage.polyend.com/t/midi-cc-fill-with-types-such-as-exponential-linear-sine-etc-to-help-generate-modulation/3765 "2023-07-12T23:54:53Z")\ **Posts on this page:** 1\ **Showing post:** 13
**Author:** ![ambivalence](https://backstage.polyend.com/user_avatar/backstage.polyend.com/ambivalence/32/296_2.png) [@ambivalence](https://backstage.polyend.com/u/ambivalence)\ **Post date:** [October 21, 2023, 11:38am UTC](https://backstage.polyend.com/t/midi-cc-fill-with-types-such-as-exponential-linear-sine-etc-to-help-generate-modulation/3765/13 "2023-10-21T11:38:57Z")
> [@UnReAl](#): > > Just want to add that these would also be great on the sample engine itself; as one shot fade ins /outs ect if applied to volume or filter … probably, you meant this: > [@An ADSR amp envelope for audio samples](https://backstage.polyend.com/t/an-adsr-amp-envelope-for-audio-samples/1058): > > What is the problem? The Play only offers Attack and Decay effects for audio samples. This is usually enough for percussive sounds but not for melodic ones, where Sustain and Release effects are also expected. What do you want to achieve? A full amp envelope would allow the very basic sculpting of how a sample plays out, with simple ADSR controls. It would be very useful with melodic samples such as pads and soundscapes. Are there any workarounds? Do your best with the current Attack and Decay… as for the wished feature, it’s the must have for sure. considering the fact that modulation is bound to the step, it’s practically impossible to make smooth modulations for slow speed tracks. On top of that, if we deal with long samples, this should go alongside: > [@Change a parameter after the sample has begun (trigless trigs)](https://backstage.polyend.com/t/change-a-parameter-after-the-sample-has-begun-trigless-trigs/3227): > > What is the problem? You can’t change a parameter after a sample starts. What do you want to achieve? Change parameters after a sample has begun through the use of notes that have no sample connected to them (also known as trigless trigs). Something like having a filter open for a long sample would be great for creating ambient textures. Are there any workarounds? No. Any links to related discussions? Any references to other products? Elektron boxes (Digitakt, Digitone, Octatrack) --- _[View the full topic](https://backstage.polyend.com/t/midi-cc-fill-with-types-such-as-exponential-linear-sine-etc-to-help-generate-modulation/3765)._