This version (18 May 2021 08:43) was approved by John Joseph.The Previously approved version (14 Jan 2021 11:02) is available.
Table of Contents
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UP Sampling
Description
The Up sampling module is mainly used to get the input samples to a higher sampling rates after processing the audio at lower sampling rates.For example the bass of the audio can be processed at lower sampling rates and then taken to the higher sampling rates.
This module takes the upsample factor from the GUI parameters and upsample the input accordingly.
Targets Supported
| Name | ADSP-214xx | ADSP-215xx/SC5xx | ADAU145x/146x |
|---|---|---|---|
| —————————— | ——————-- | ——————————-- | —————————- |
| Up-Sampler | B | B | S |
Pins
Input
| ———————- | ————-- | ———————- |
| Name | Type | Description |
|---|---|---|
| Input | Audio | Input channel |
Output
| ———————- | ————-- | ———————- |
| Name | Type | Description |
|---|---|---|
| Output | Audio | Up sampled output |
Configurable Parameters
ADSP-214xx/ADSP-215xx/ADSP-SC5xx
| GUI Parameter Name | Default | Range | Function Description |
|---|---|---|---|
| —————————————- | ———————- | —————— | —————————————- |
| Factor | 2 | 2,4,8,16,32 | The factor at with the input sample rate will be multiplied |
| DisableFilter | False | True/False | Enabled/Disabled the filter. If enabled, filter will be applied after upsampling the signal |
ADAU145x/ADAU146x
| GUI Parameter Name | Default | Range | Function Description |
|---|---|---|---|
| —————————————- | ———————- | —————— | —————————————- |
| NumChannels | 1 | 1-20 | Number of channels |
| Factor | 2 | 2,3,4,6,8,16 | The factor at with the input sample rate will be multiplied |
| InsertionType | Zero Insertion | Zero Insertion/Zero Order Hold | The upsampler can either insert zeros or repeat the previous sample(Zero Order Hold) during upsampling. This can be configured in the contex menu |
DSP Parameters
| Name | Description | ADSP-214xx/215xx/SC5xx | ADAU145x/ADAU146x |
|---|---|---|---|
| ————————— | ———————————————————————————- | ———————————— | ————————-- |
| Factor | The factor with which the input sample rate will be multiplied | Float | FixPoint8d24 |
| NFilterTaps | Number of antialiasing filter coefficients | Float | NA |
| FIRCoeffs | coefficients | Float | NA |
resources/tools-software/sigmastudiov2/modules/advanceddsp/upsampling.txt · Last modified: 12 May 2021 13:21 by John Joseph