Analyzer Wafeform

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Sat Jun 18 2022 19:36:04 GMT+0000 (Coordinated Universal Time)

mic.connect(analyzer)

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collects the waveform data (audio-data) from the mic's input

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Tone JS

@Polly

Analyzer Wafeform Tone Audio Context Stream - From Tone.UserMedia mediaStreamSourceNoce

#webaudioapi #tonejs

Analyzer Wafeform

mic.connect(analyzer)

#webaudioapi #tonejs

Tone Audio Context

context = new Tone.context

### Examples

# Destination inputNodes 

## gets PCM data from stream/file and returns small segments at a time 
context.decodeAudioData(audioData:ArrayBuffer) -> returns AudioBuffer 



# Source outputNodes to play audio streams/files

## creates html controls for the input passed to it.
context.createMediaElementSource() -> returns <audio>

#webaudioapi #tonejs

Audio Buffer

# get audioBuffer from context

context.decodeAudioData( inputAudioDataFromDestination, (audioData:ArrayBuffer) -> play(audioBuffer) )

sourceNode = context.createBufferSource()
audioBufferSource = sourceNode.buffer
play(audioBufferSource)

#webaudioapi #tonejs

Reactive RXJS derive multiple streams

http$ = from(src)

response$ = http$.pipe().map() // translate the response 

// consume translated response
1$ = response$.pipe().map() 
2$ = response$.pipe().map()

#webaudioapi #tonejs

RXJS save operations - concatMap-operator

form.valueChanges.pipe()
	concatMap(changes => returnObservalbeToConcatMap())

#webaudioapi #tonejs

RXJS non-sequential mergeMap

data$.pipe()
	mergeMap(data => fireObsMethodOnEachObsEmmision)

fireObsMethodOnEachObsEmmision$ -> obs

Analyzer Wafeform

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Analyzer Wafeform

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