Apply expressions to audio frequencies
Apply arbitrary expressions to samples in frequency domain.
EXAMPLE 1
Edit-Media .\a.mp3 -FrequencyExpression -FrequencyExpressionReal "hypot(re,im)*sin(0)" -FrequencyExpressionImaginary "hypot(re,im)*cos(0)" -FrequencyExpressionWindowSize 512 -FrequencyExpressionOverlap 0.75
Apply arbitrary expressions to samples in frequency domain.
| Type | Required | Position | PipelineInput |
|---|---|---|---|
[Switch] |
true | named | false |
Set channels real expressions. Each expression in real and imag can contain the following constants and functions: |Value|Description| |-|-| |sr|sample rate| |b|current frequency bin number| |nb|number of available bins| |ch|channel number of the current expression| |chs|number of channels| |pts|current frame pts| |re|current real part of frequency bin of current channel| |im|current imaginary part of frequency bin of current channel| |real(b, ch)|Return the value of real part of frequency bin at location (bin,channel)| |imag(b, ch)|Return the value of imaginary part of frequency bin at location (bin,channel)|
| Type | Required | Position | PipelineInput | Aliases |
|---|---|---|---|---|
[String[]] |
false | 1 | false | afftfilt_real |
Set channels imaginary expressions. Each expression in real and imag can contain the following constants and functions: |Value|Description| |-|-| |sr|sample rate| |b|current frequency bin number| |nb|number of available bins| |ch|channel number of the current expression| |chs|number of channels| |pts|current frame pts| |re|current real part of frequency bin of current channel| |im|current imaginary part of frequency bin of current channel| |real(b, ch)|Return the value of real part of frequency bin at location (bin,channel)| |imag(b, ch)|Return the value of imaginary part of frequency bin at location (bin,channel)|
| Type | Required | Position | PipelineInput | Aliases |
|---|---|---|---|---|
[String[]] |
false | 2 | false | afftfilt_imag |
set window size
| Type | Required | Position | PipelineInput | Aliases |
|---|---|---|---|---|
[Int32] |
false | 3 | false | afftfilt_win_size |
set window function Valid Values:
| Type | Required | Position | PipelineInput | Aliases |
|---|---|---|---|---|
[Object] |
false | 4 | false | afftfilt_win_func |
set window overlap
| Type | Required | Position | PipelineInput | Aliases |
|---|---|---|---|---|
[Single] |
false | 5 | false | afftfilt_overlap |
Extension/AudioFrequencyExpression.RoughDraft.Extension.ps1 -FrequencyExpression [[-FrequencyExpressionReal] <String[]>] [[-FrequencyExpressionImaginary] <String[]>] [[-FrequencyExpressionWindowSize] <Int32>] [[-FrequencyExpressionWindowFunction] <Object>] [[-FrequencyExpressionOverlap] <Single>] [<CommonParameters>]