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web.audio.AnalyserNode

The AnalyserNode interface represents a node able to provide frequency and time-domain analysis information. It is an web.audio.AudioNode passes the audio stream unchanged from the input to the output, allows you to take the generated data, process it, and create visualizations.

The AnalyserNode interface represents a node able to provide
frequency and time-domain analysis information. It is an `web.audio.AudioNode`
passes the audio stream unchanged from the input to the output,
allows you to take the generated data, process it, and create
visualizations.
raw docstring

fft-sizecljs

(fft-size this)

Property.

The fftSize property of the web.audio.AnalyserNode interface an unsigned long value and represents the window size in samples is used when performing a Fast Fourier Transform (FFT) to get domain data.

var curValue = analyserNode.fftSize; analyserNode.fftSize = newValue;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/fftSize

Property.

The fftSize property of the `web.audio.AnalyserNode` interface
an unsigned long value and represents the window size in samples
is used when performing a Fast Fourier Transform (FFT) to get
domain data.

`var curValue = analyserNode.fftSize;
analyserNode.fftSize = newValue;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/fftSize`
sourceraw docstring

frequency-bin-countcljs

(frequency-bin-count this)

Property.

[Read Only]

The frequencyBinCount read-only property of the web.audio.AnalyserNode is an unsigned integer half that of the AnalyserNode.fftSize. generally equates to the number of data values you will have play with for the visualization.

var arrayLength = analyserNode.frequencyBinCount;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/frequencyBinCount

Property.

[Read Only]

The frequencyBinCount read-only property of the `web.audio.AnalyserNode`
is an unsigned integer half that of the `AnalyserNode.fftSize`.
generally equates to the number of data values you will have
play with for the visualization.

`var arrayLength = analyserNode.frequencyBinCount;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/frequencyBinCount`
sourceraw docstring

get-byte-frequency-datacljs

(get-byte-frequency-data this & args)

Method.

The getByteFrequencyData() method of the web.audio.AnalyserNode copies the current frequency data into a js.Uint8Array (unsigned array) passed into it.

`var audioCtx = new AudioContext(); var analyser = audioCtx.createAnalyser(); var dataArray = new Uint8Array(analyser.frequencyBinCount); // Uint8Array should be the same length as the frequencyBinCount

void analyser.getByteFrequencyData(dataArray); // fill the Uint8Array with data returned from getByteFrequencyData()`

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getByteFrequencyData

Method.

The getByteFrequencyData() method of the `web.audio.AnalyserNode`
copies the current frequency data into a `js.Uint8Array` (unsigned
array) passed into it.

`var audioCtx = new AudioContext();
var analyser = audioCtx.createAnalyser();
var dataArray = new Uint8Array(analyser.frequencyBinCount); // Uint8Array should be the same length as the frequencyBinCount

void analyser.getByteFrequencyData(dataArray); // fill the Uint8Array with data returned from getByteFrequencyData()`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getByteFrequencyData`
sourceraw docstring

get-byte-time-domain-datacljs

(get-byte-time-domain-data this & args)

Method.

The getByteTimeDomainData() method of the web.audio.AnalyserNode copies the current waveform, or time-domain, data into a js.Uint8Array byte array) passed into it.

const audioCtx = new AudioContext(); const analyser = audioCtx.createAnalyser(); const dataArray = new Uint8Array(analyser.fftSize); // Uint8Array should be the same length as the fftSize analyser.getByteTimeDomainData(dataArray); // fill the Uint8Array with data returned from getByteTimeDomainData()

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getByteTimeDomainData

Method.

The getByteTimeDomainData() method of the `web.audio.AnalyserNode`
copies the current waveform, or time-domain, data into a `js.Uint8Array`
byte array) passed into it.

`const audioCtx = new AudioContext();
const analyser = audioCtx.createAnalyser();
const dataArray = new Uint8Array(analyser.fftSize); // Uint8Array should be the same length as the fftSize
analyser.getByteTimeDomainData(dataArray); // fill the Uint8Array with data returned from getByteTimeDomainData()`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getByteTimeDomainData`
sourceraw docstring

get-float-frequency-datacljs

(get-float-frequency-data this & args)

Method.

The getFloatFrequencyData() method of the web.audio.AnalyserNode copies the current frequency data into a js.Float32Array array into it.

`var audioCtx = new AudioContext(); var analyser = audioCtx.createAnalyser(); var dataArray = new Float32Array(analyser.frequencyBinCount); // Float32Array should be the same length as the frequencyBinCount

void analyser.getFloatFrequencyData(dataArray); // fill the Float32Array with data returned from getFloatFrequencyData()`

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getFloatFrequencyData

Method.

The getFloatFrequencyData() method of the `web.audio.AnalyserNode`
copies the current frequency data into a `js.Float32Array` array
into it.

`var audioCtx = new AudioContext();
var analyser = audioCtx.createAnalyser();
var dataArray = new Float32Array(analyser.frequencyBinCount); // Float32Array should be the same length as the frequencyBinCount

void analyser.getFloatFrequencyData(dataArray); // fill the Float32Array with data returned from getFloatFrequencyData()`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getFloatFrequencyData`
sourceraw docstring

get-float-time-domain-datacljs

(get-float-time-domain-data this & args)

Method.

The getFloatTimeDomainData() method of the web.audio.AnalyserNode copies the current waveform, or time-domain, data into a js.Float32Array passed into it.

var audioCtx = new AudioContext(); var analyser = audioCtx.createAnalyser(); var dataArray = new Float32Array(analyser.fftSize); // Float32Array needs to be the same length as the fftSize analyser.getFloatTimeDomainData(dataArray); // fill the Float32Array with data returned from getFloatTimeDomainData()

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getFloatTimeDomainData

Method.

The getFloatTimeDomainData() method of the `web.audio.AnalyserNode`
copies the current waveform, or time-domain, data into a `js.Float32Array`
passed into it.

`var audioCtx = new AudioContext();
var analyser = audioCtx.createAnalyser();
var dataArray = new Float32Array(analyser.fftSize); // Float32Array needs to be the same length as the fftSize
analyser.getFloatTimeDomainData(dataArray); // fill the Float32Array with data returned from getFloatTimeDomainData()`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getFloatTimeDomainData`
sourceraw docstring

max-decibelscljs

(max-decibels this)

Property.

The maxDecibels property of the web.audio.AnalyserNode interface a double value representing the maximum power value in the scaling for the FFT analysis data, for conversion to unsigned byte/float — basically, this specifies the maximum value for the range of when using getFloatFrequencyData() or getByteFrequencyData().

var curValue = analyserNode.maxDecibels; analyserNode.maxDecibels = newValue;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/maxDecibels

Property.

The maxDecibels property of the `web.audio.AnalyserNode` interface
a double value representing the maximum power value in the scaling
for the FFT analysis data, for conversion to unsigned byte/float
— basically, this specifies the maximum value for the range of
when using getFloatFrequencyData() or getByteFrequencyData().

`var curValue = analyserNode.maxDecibels;
analyserNode.maxDecibels = newValue;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/maxDecibels`
sourceraw docstring

min-decibelscljs

(min-decibels this)

Property.

The minDecibels property of the web.audio.AnalyserNode interface a double value representing the minimum power value in the scaling for the FFT analysis data, for conversion to unsigned byte/float — basically, this specifies the minimum value for the range of when using getFloatFrequencyData() or getByteFrequencyData().

var curValue = analyserNode.minDecibels; analyserNode.minDecibels = newValue;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/minDecibels

Property.

The minDecibels property of the `web.audio.AnalyserNode` interface
a double value representing the minimum power value in the scaling
for the FFT analysis data, for conversion to unsigned byte/float
— basically, this specifies the minimum value for the range of
when using getFloatFrequencyData() or getByteFrequencyData().

`var curValue = analyserNode.minDecibels;
analyserNode.minDecibels = newValue;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/minDecibels`
sourceraw docstring

set-fft-size!cljs

(set-fft-size! this val)

Property.

The fftSize property of the web.audio.AnalyserNode interface an unsigned long value and represents the window size in samples is used when performing a Fast Fourier Transform (FFT) to get domain data.

var curValue = analyserNode.fftSize; analyserNode.fftSize = newValue;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/fftSize

Property.

The fftSize property of the `web.audio.AnalyserNode` interface
an unsigned long value and represents the window size in samples
is used when performing a Fast Fourier Transform (FFT) to get
domain data.

`var curValue = analyserNode.fftSize;
analyserNode.fftSize = newValue;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/fftSize`
sourceraw docstring

set-max-decibels!cljs

(set-max-decibels! this val)

Property.

The maxDecibels property of the web.audio.AnalyserNode interface a double value representing the maximum power value in the scaling for the FFT analysis data, for conversion to unsigned byte/float — basically, this specifies the maximum value for the range of when using getFloatFrequencyData() or getByteFrequencyData().

var curValue = analyserNode.maxDecibels; analyserNode.maxDecibels = newValue;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/maxDecibels

Property.

The maxDecibels property of the `web.audio.AnalyserNode` interface
a double value representing the maximum power value in the scaling
for the FFT analysis data, for conversion to unsigned byte/float
— basically, this specifies the maximum value for the range of
when using getFloatFrequencyData() or getByteFrequencyData().

`var curValue = analyserNode.maxDecibels;
analyserNode.maxDecibels = newValue;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/maxDecibels`
sourceraw docstring

set-min-decibels!cljs

(set-min-decibels! this val)

Property.

The minDecibels property of the web.audio.AnalyserNode interface a double value representing the minimum power value in the scaling for the FFT analysis data, for conversion to unsigned byte/float — basically, this specifies the minimum value for the range of when using getFloatFrequencyData() or getByteFrequencyData().

var curValue = analyserNode.minDecibels; analyserNode.minDecibels = newValue;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/minDecibels

Property.

The minDecibels property of the `web.audio.AnalyserNode` interface
a double value representing the minimum power value in the scaling
for the FFT analysis data, for conversion to unsigned byte/float
— basically, this specifies the minimum value for the range of
when using getFloatFrequencyData() or getByteFrequencyData().

`var curValue = analyserNode.minDecibels;
analyserNode.minDecibels = newValue;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/minDecibels`
sourceraw docstring

set-smoothing-time-constant!cljs

(set-smoothing-time-constant! this val)

Property.

The smoothingTimeConstant property of the web.audio.AnalyserNode is a double value representing the averaging constant with the analysis frame. It's basically an average between the current and the last buffer the AnalyserNode processed, and results in much smoother set of value changes over time.

var smoothValue = analyserNode.smoothingTimeConstant; analyserNode.smoothingTimeConstant = newValue;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/smoothingTimeConstant

Property.

The smoothingTimeConstant property of the `web.audio.AnalyserNode`
is a double value representing the averaging constant with the
analysis frame. It's basically an average between the current
and the last buffer the AnalyserNode processed, and results in
much smoother set of value changes over time.

`var smoothValue = analyserNode.smoothingTimeConstant;
analyserNode.smoothingTimeConstant = newValue;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/smoothingTimeConstant`
sourceraw docstring

smoothing-time-constantcljs

(smoothing-time-constant this)

Property.

The smoothingTimeConstant property of the web.audio.AnalyserNode is a double value representing the averaging constant with the analysis frame. It's basically an average between the current and the last buffer the AnalyserNode processed, and results in much smoother set of value changes over time.

var smoothValue = analyserNode.smoothingTimeConstant; analyserNode.smoothingTimeConstant = newValue;

See also: https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/smoothingTimeConstant

Property.

The smoothingTimeConstant property of the `web.audio.AnalyserNode`
is a double value representing the averaging constant with the
analysis frame. It's basically an average between the current
and the last buffer the AnalyserNode processed, and results in
much smoother set of value changes over time.

`var smoothValue = analyserNode.smoothingTimeConstant;
analyserNode.smoothingTimeConstant = newValue;`

See also: `https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/smoothingTimeConstant`
sourceraw docstring

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