# DSP Up-Sampling features in Roon 1.3

**URL:** <https://community.roonlabs.com/t/dsp-up-sampling-features-in-roon-1-3/19293>\
**Category:** Roon Software Discussion\
**Created:** [February 2, 2017, 3:11am UTC](https://community.roonlabs.com/t/dsp-up-sampling-features-in-roon-1-3/19293 "2017-02-02T03:11:35Z")\
**Posts on this page:** 1\
**Showing post:** 344

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**Author:** ![RBM](https://community.roonlabs.com/user_avatar/community.roonlabs.com/rbm/32/48302_2.png) [@RBM](https://community.roonlabs.com/u/RBM)\
**Post date:** [June 15, 2017, 8:43am UTC](https://community.roonlabs.com/t/dsp-up-sampling-features-in-roon-1-3/19293/344 "2017-06-15T08:43:06Z")

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Check this for information on filters (both PCM and DSD): [https://kb.roonlabs.com/DSP\_Engine:\_Sample\_Rate\_Conversion](https://kb.roonlabs.com/DSP_Engine:_Sample_Rate_Conversion).

As for the new ‘precise’ vs. ‘smooth’ filters – the [release notes](https://community.roonlabs.com/t/roon-1-3-build-216-is-live/24161) tell this:

> New SRC filter choices: Smooth vs Precise filters. The Precise filters are steeper than the old ones, but designed around similar goals. The Smooth filters are ultra-slow-roll-off filters optimized for a very clean transient response. “Precise, Minimum Phase” is the new default.

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_[View the full topic](https://community.roonlabs.com/t/dsp-up-sampling-features-in-roon-1-3/19293)._