This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | |||
resources:tools-software:sigmastudio:toolbox:multirateprocessing:downsampling [12 May 2017 14:21] Suhasini Raghuram [Down Sampling] |
resources:tools-software:sigmastudio:toolbox:multirateprocessing:downsampling [04 Jan 2021 06:14] Sanjeeva Reddy Updated Downsample image |
||
---|---|---|---|
Line 3: | Line 3: | ||
\\ | \\ | ||
\\ | \\ | ||
- | The down sampling module is mainly used to get the input samples to a lower sampling rate and process.For example the bass portion of the audio need not be processed at higher sampling rates as the frequencies associated with bass are low. | + | The down sampling module is mainly used to get the input samples to a lower sampling rate and process. For example the bass portion of the audio need not be processed at higher sampling rates as the frequencies associated with bass are low. |
This module takes the downsample factor from the GUI parameters and down sample the input accordingly. | This module takes the downsample factor from the GUI parameters and down sample the input accordingly. | ||
\\ | \\ | ||
\\ | \\ | ||
- | {{ :resources:tools-software:sigmastudio:toolbox:multirateprocessing:downsampler.png?nolink | | + | {{ :resources:tools-software:sigmastudio:toolbox:multirateprocessing:downsamping4p6.png?nolink |}} |
+ | \\ | ||
\\ | \\ | ||
- | |||
- | \\}} | ||
===== Input Pins ===== | ===== Input Pins ===== | ||
^Name^Format [int/dec] - [control/audio]^Function Description^ | ^Name^Format [int/dec] - [control/audio]^Function Description^ | ||
Line 25: | Line 24: | ||
^GUI Control Name^Default Value^Range^Function Description^ | ^GUI Control Name^Default Value^Range^Function Description^ | ||
|Downsample Factor|2| 2,3,4,6,8,16 |The factor at with the input sample rate will be divided| | |Downsample Factor|2| 2,3,4,6,8,16 |The factor at with the input sample rate will be divided| | ||
- | |LPF|Checked|Checked/Unchecked|If checked, an anti aliasing filter will be applied before downsampling the signal| | ||
Change in GUI configuration needs a recompilation of the schematic. | Change in GUI configuration needs a recompilation of the schematic. |