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This version (18 May 2021 08:43) was approved by John Joseph.The Previously approved version (14 Jan 2021 11:02) is available.Diff

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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

———————- ————-- ———————-
NameTypeDescription
InputAudioInput channel

Output

———————- ————-- ———————-
NameTypeDescription
OutputAudioUp sampled output


Configurable Parameters

ADSP-214xx/ADSP-215xx/ADSP-SC5xx

GUI Parameter NameDefaultRangeFunction Description
—————————————- ———————- —————— —————————————-
Factor22,4,8,16,32The factor at with the input sample rate will be multiplied
DisableFilterFalseTrue/FalseEnabled/Disabled the filter. If enabled, filter will be applied after upsampling the signal

ADAU145x/ADAU146x

GUI Parameter NameDefaultRangeFunction Description
—————————————- ———————- —————— —————————————-
NumChannels11-20Number of channels
Factor22,3,4,6,8,16The factor at with the input sample rate will be multiplied
InsertionTypeZero InsertionZero Insertion/Zero Order HoldThe 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

NameDescriptionADSP-214xx/215xx/SC5xxADAU145x/ADAU146x
————————— ———————————————————————————- ———————————— ————————--
FactorThe factor with which the input sample rate will be multipliedFloatFixPoint8d24
NFilterTapsNumber of antialiasing filter coefficientsFloatNA
FIRCoeffscoefficientsFloatNA


resources/tools-software/sigmastudiov2/modules/advanceddsp/upsampling.txt · Last modified: 12 May 2021 13:21 by John Joseph