RoughDraft

Extension/ShowSpectrum.RoughDraft.Extension.ps1

Synopsis

Shows the audio spectrum

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Description

Shows the audio spectrum, using the showspectrum filter

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Related Links

• https://ffmpeg.org/ffmpeg-filters.html#showspectrum

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Examples

EXAMPLE 1

Show-Media -InputPath .\a.mp3 -ShowSpectrum

EXAMPLE 2

Edit-Media -InputPath .\a.mp3 -ShowSpectrum -OutputPath .\a.mp4

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Parameters

ShowSpectrum

If set, will show a line waveform

Type	Required	Position	PipelineInput
[Switch]	true	named	false

ShowSpectrumMode

Set display mode

Valid Values:

• combined
• separate

Type	Required	Position	PipelineInput	Aliases
[String]	false	1	false	showspectrum_mode

ShowSpectrumSlide

Specify how the spectrum should slide along the window.

It accepts the following values:

• replace - The samples start again on the left when they reach the right
• scroll - the samples scroll from right to left
• fullframe - frames are only produced when the samples reach the right
• rscroll - the samples scroll from left to right
• lreplace - the samples start again on the right when they reach the left

Valid Values:

• replace
• scroll
• fullframe
• rscroll
• lreplace

Type	Required	Position	PipelineInput	Aliases
[String]	false	2	false	showspectrum_slide

ShowSpectrumSize

Specify the video size for the output. Default value is 600x200

Type	Required	Position	PipelineInput	Aliases
[String]	false	3	false	showspectrum_size

ShowSpectrumColorMode

Show spectrum color mode

• channel - each channel is displayed in a separate color
• intensity - each channel is displayed using the same color scheme
• rainbow - each channel is displayed using the rainbow color scheme
• moreland - each channel is displayed using the moreland color scheme
• nebulae - each channel is displayed using the nebulae color scheme
• fire - each channel is displayed using the fire color scheme
• fiery - each channel is displayed using the fiery color scheme
• fruit - each channel is displayed using the fruit color scheme
• cool - each channel is displayed using the cool color scheme
• magma - each channel is displayed using the magma color scheme
• green - each channel is displayed using the green color scheme
• viridis - each channel is displayed using the viridis color scheme
• plasma - each channel is displayed using the plasma color scheme
• cividis - each channel is displayed using the cividis color scheme
• terrain - each channel is displayed using the terrain color scheme

Valid Values:

• channel
• intensity
• rainbow
• moreland
• nebulae
• fire
• fiery
• fruit
• cool
• magma
• green
• viridis
• plasma
• cividis
• terrain

Type	Required	Position	PipelineInput	Aliases
[String]	false	4	false	showspectrum_color

ShowSpectrumColorScale

Specify scale used for calculating intensity color values.

Valid Values:

• lin
• log
• sqrt
• cbrt
• 4thrt
• 5thrt

Type	Required	Position	PipelineInput	Aliases
[String]	false	5	false	showspectrum_scale

ShowSpectrumFrequencyScale

Specify frequency scale.

Valid Values:

• lin
• log

Type	Required	Position	PipelineInput	Aliases
[String]	false	6	false	showspectrum_fscale

ShowSpectrumSaturation

Set saturation modifier for displayed colors. Negative values provide alternative color scheme. 0 is no saturation at all. Saturation must be in [-10.0, 10.0] range. Default value is 1.

Type	Required	Position	PipelineInput	Aliases
[Double]	false	7	false	showspectrum_saturation

ShowSpectrumWindowFunction

Set window function.

Valid Values:

• rect
• bartlett
• hann
• hanning
• hamming
• blackman
• welch
• flattop
• bharris
• bnuttall
• bhann
• sine
• nuttall
• lanczos
• gauss
• tukey
• dolph
• cauchy
• parzen
• poisson
• bohman

Type	Required	Position	PipelineInput	Aliases
[String]	false	8	false	showspectrum_win_func

ShowSpectrumOrientation

Set orientation of time vs frequency axis

Valid Values:

• horizontal
• vertical

Type	Required	Position	PipelineInput	Aliases
[String]	false	9	false	showspectrum_orientation

ShowSpectrumOverlap

Set ratio of overlap window. Default value is 0. When value is 1 overlap is set to recommended size for specific window function currently used.

Type	Required	Position	PipelineInput	Aliases
[Double]	false	10	false	showspectrum_overlap

ShowSpectrumGain

Set scale gain for calculating intensity color values. Default value is 1.

Type	Required	Position	PipelineInput	Aliases
[Double]	false	11	false	showspectrum_gain

ShowSpectrumData

Set which data to display. Can be magnitude, default or phase, or unwrapped phase: uphase.

Valid Values:

• magnitude
• phase
• uphase

Type	Required	Position	PipelineInput	Aliases
[String]	false	12	false	showspectrum_data

ShowSpectrumColorRotation

Set color rotation, must be in [-1.0, 1.0] range. Default value is 0

Type	Required	Position	PipelineInput	Aliases
[Double]	false	13	false	showspectrum_rotation

ShowSpectrumStartFrequency

Set start frequency from which to display spectrogram.

Type	Required	Position	PipelineInput	Aliases
[Int32]	false	14	false	showspectrum_start ShowSpectrumBeginFrequency

ShowSpectrumStopFrequency

Set stop frequency to which to display spectrogram.

Type	Required	Position	PipelineInput	Aliases
[Int32]	false	15	false	showspectrum_stop ShowSpectrumEndFrequency

ShowSpectrumFramesPerSecond

Set upper frame rate limit. Default is auto, unlimited.

Type	Required	Position	PipelineInput	Aliases
[String]	false	16	false	showspectrum_fps ShowSpectrumFPS

ShowSpectrumLegend

Draw time and frequency axes and legends.

Type	Required	Position	PipelineInput	Aliases
[Switch]	false	named	false	showspectrum_legend

ShowSpectrumDynamicRange

Set dynamic range used to calculate intensity color values. Default is 120 dBFS. Allowed range is from 10 to 200

Type	Required	Position	PipelineInput	Aliases
[Int32]	false	17	false	showspectrum_drange

ShowSpectrumLimit

Set upper limit of input audio samples volume in dBFS. Default is 0 dBFS. Allowed range is from -100 to 100.

Type	Required	Position	PipelineInput	Aliases
[Int32]	false	18	false	showspectrum_limit

ShowSpectrumOpacity

Set opacity strength when using pixel format output with alpha component.

Type	Required	Position	PipelineInput	Aliases
[Double]	false	19	false	showspectrum_opacity

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Syntax

Extension/ShowSpectrum.RoughDraft.Extension.ps1 -ShowSpectrum [[-ShowSpectrumMode] <String>] [[-ShowSpectrumSlide] <String>] [[-ShowSpectrumSize] <String>] [[-ShowSpectrumColorMode] <String>] [[-ShowSpectrumColorScale] <String>] [[-ShowSpectrumFrequencyScale] <String>] [[-ShowSpectrumSaturation] <Double>] [[-ShowSpectrumWindowFunction] <String>] [[-ShowSpectrumOrientation] <String>] [[-ShowSpectrumOverlap] <Double>] [[-ShowSpectrumGain] <Double>] [[-ShowSpectrumData] <String>] [[-ShowSpectrumColorRotation] <Double>] [[-ShowSpectrumStartFrequency] <Int32>] [[-ShowSpectrumStopFrequency] <Int32>] [[-ShowSpectrumFramesPerSecond] <String>] [-ShowSpectrumLegend] [[-ShowSpectrumDynamicRange] <Int32>] [[-ShowSpectrumLimit] <Int32>] [[-ShowSpectrumOpacity] <Double>] [<CommonParameters>]

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