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| resources:tools-software:sigmastudiov2:modules:gain:singlevolumeshared [07 May 2021 06:42] – [DSP Parameter Computation] Nikhin Shetty | resources:tools-software:sigmastudiov2:modules:gain:singlevolumeshared [13 May 2021 05:58] (current) – [DSP Parameters] Nikhin Shetty | ||
|---|---|---|---|
| Line 33: | Line 33: | ||
| ^Name^Type^Description^ | ^Name^Type^Description^ | ||
| |------------------------------|------------------------------------------------------------|------------------------------| | |------------------------------|------------------------------------------------------------|------------------------------| | ||
| - | |Output< | + | |Output< |
| Note: | Note: | ||
| * <fc # | * <fc # | ||
| Line 45: | Line 45: | ||
| | CustomVal | | CustomVal | ||
| |IsDBChosen|True|True/ | |IsDBChosen|True|True/ | ||
| - | |NumChannels|1|20|Num of input and output channels. Change in this value requires re-compilation| | + | |NumChannels|1| |
| \\ | \\ | ||
| ===== DSP Parameters ===== | ===== DSP Parameters ===== | ||
| ^ Parameter Name ^ Description ^ ADSP-214xx/ | ^ Parameter Name ^ Description ^ ADSP-214xx/ | ||
| - | | ---------------------------------------- | + | | ------------------------ | ------------------------------------------------------------------------------------------------------ | ---------------------------------------- | ---------------------------- | |
| |Gain|change the level of the input signal|Float| FixPoint8d24 | | |Gain|change the level of the input signal|Float| FixPoint8d24 | | ||
| |SlewRate|Controls the transition time of the signal from one level to another level| Float| NA | | |SlewRate|Controls the transition time of the signal from one level to another level| Float| NA | | ||
| - | | slew_mode | Slew mode and value for HW slew (only for HW slew) | NA | Integer | + | | slew_mode | Slew mode and value for HW slew (only for HW slew) | NA | Integer32 |
| | alpha | scales the value based on Slew mode and value for HW slew (only for HW slew) | NA | FixPoint8d24 | | | alpha | scales the value based on Slew mode and value for HW slew (only for HW slew) | NA | FixPoint8d24 | | ||
| | om_alpha | scales the value based on Slew mode and value for HW slew (only for HW slew) | NA | FixPoint8d24 | | | om_alpha | scales the value based on Slew mode and value for HW slew (only for HW slew) | NA | FixPoint8d24 | | ||
| \\ | \\ | ||
| ===== DSP Parameter Computation ===== | ===== DSP Parameter Computation ===== | ||
| - | |-----------------------|------------------------------------------| | + | |---------------------------------|---------------------------------------------------------------------------| |
| - | | SlewRate | = | + | | SlewRate | = Math.Pow(2, (-1 * StepSize)) | |
| | Gain | = Math.Pow(10, | | Gain | = Math.Pow(10, | ||
| - | | tc| = 0.04 * Math.Pow(2, (_slewRate - 1)) / 1000| | + | | tc | = 0.04 * Math.Pow(2, (_slewRate - 1)) / 1000| |
| - | |alpha |=Math.Exp(-1 / (tc * fs))| | + | |alpha | = Math.Exp(-1 / (tc * FS))| |
| - | |om_alpha |= 1 - alpha| | + | |om_alpha | = 1 - alpha| |
| \\ | \\ | ||
resources/tools-software/sigmastudiov2/modules/gain/singlevolumeshared.1620362528.txt.gz · Last modified: 07 May 2021 06:42 by Nikhin Shetty