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resources:tools-software:sigmastudiov2:modules:advanceddsp:downsampling [14 Jan 2021 11:01] – [Down Sampling] Nikhin Shettyresources:tools-software:sigmastudiov2:modules:advanceddsp:downsampling [12 May 2021 13:21] (current) – John Joseph
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-[[resources/tools-software/sigmastudiov2/modules/advanceddsp|Click here to return to the AdvancedDSP page]]+[[resources/tools-software/sigmastudiov2/modules/advanceddsp|Click here to return to the Advanced DSP page]]
 ====== Down Sampling ====== ====== Down Sampling ======
  
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  \\  \\
 ===== Targets Supported ===== ===== Targets Supported =====
-^Name^ADSP-214xx(Sample)^ADSP-214xx(Block)^ADSP-215xx/ADSP-SC5xx(Sample)^ADSP-215xx/ADSP-SC5xx(Block)^ +^ Name            ^ ADSP-214xx ^ ADSP-215xx/SC5xx ^ ADAU145x/146x ^ 
-|DownSampler| No | No|No| Yes|+| ------------------------------ | -------------------- | -------------------------------- | ---------------------------- | 
 +| Down-Sampler   | B          | B                | S              |
 \\ \\
 ===== Pins ===== ===== Pins =====
 ==== Input ==== ==== Input ====
 ^Name^Type^Description^ ^Name^Type^Description^
 +| ---------------------- | -------------- | ---------------------- |
 |Input|Audio|Input channel| |Input|Audio|Input channel|
 ==== Output ==== ==== Output ====
 ^Name^Type^Description^ ^Name^Type^Description^
 +| ---------------------- | -------------- | ---------------------- |
 |Output|Audio|Down sampled output| |Output|Audio|Down sampled output|
 \\ \\
 ===== Configurable Parameters ===== ===== Configurable Parameters =====
 +==== ADSP-214xx/ADSP-215xx/ADSP-SC5xx ====
 ^GUI Parameter Name^Default^Range^Function Description^ ^GUI Parameter Name^Default^Range^Function Description^
 +| ---------------------------------------- | ---------------------- | ------------------ | ---------------------------------------- |
 |Factor|2|2,4,8,16,32|The input sample rate will be divided by Factor| |Factor|2|2,4,8,16,32|The input sample rate will be divided by Factor|
 |AntiAliasFilter|False|True/False|Enabled/Disabled the anti-alias filter. If enabled, anti-alias filter will be applied before DownSampling the signal| |AntiAliasFilter|False|True/False|Enabled/Disabled the anti-alias filter. If enabled, anti-alias filter will be applied before DownSampling 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 divided|
 \\ \\
 ===== DSP Parameters ===== ===== DSP Parameters =====
-^Name^Description^ADSP-214xx/215xx/SC5xx^ +^Name^Description^ADSP-214xx/215xx/SC5xx^ADAU145x/ADAU146x^ 
-|Factor |The factor at with the input sample rate will be divided|Float| +| --------------------------- | ---------------------------------------------------------------------------------- | ---------------------------------------- | -------------------------- | 
-|NFilterTaps |Number of antialiasing filter coefficients|Float| +|Factor |The factor at with the input sample rate will be divided|Float|FixedPoint8d24| 
-|FIRCoeffs |coefficients|Float|+|NFilterTaps |Number of antialiasing filter coefficients|Float|NA| 
 +|FIRCoeffs |coefficients|Float|NA|
 \\ \\
-===== DSP Parameter Computation ===== +
-NFilterTaps  =  Factor >= 16 ? 97:49+
  
resources/tools-software/sigmastudiov2/modules/advanceddsp/downsampling.1610618478.txt.gz · Last modified: 14 Jan 2021 11:01 by Nikhin Shetty

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