Get Band Value - specifies which value to take Template comes up with a universal AudioAnalyzerHelper script that allows it to perform certain responses to the change of band value.Īudio Analyzer - reference to the audio Analyzer script This scale is used as it better represents the way the human ear perceives the sound. The bands (or bins) are defined by splitting the interval from the minimal frequency to the maximum frequency into a certain amount of bins on the mel (logarithmic) scale. Note: By default the template analyzes audio data and outputs power of signal in all frequency bands in the range from 0 to 1. Hop Size - Set number of samples between successive fft segments Sample Rate - Set number of samples per second (has to match your audio input sample rate)įrame Size - Length of the window, which is the length of frameSize and then padded with zeros to match fftSize Or using Behavior script : Call Script API response by setting setInput as a Function Name, and passing input asset/component and Sample Rate as arguments: You may also choose not to set Input and do it later from script:Ī(input, sampleRate) : Number - sample rate of this audio buffer Set input via api (Float32Array audioFrame) : vec3 - function that writes audio samples into audioFrame array and returns it shape You can even generate your own audio buffer and set a custom script with certain api as an input. Tip: Play or stop this audio component as needed, for example with a Behavior script. In this case audio analyzer will process the audio track of this audio component, stop and start as the audio component starts or stops. Warning: Please match sample rate with your audio track sample rate, (44100 for Licensed Sounds)Īnother way is to specify Audio Component to get audio data from. Set Audio Track input with the imported audio file or a Licensed Sound from the Asset LibraryĮnable Play Audio checkbox to create audio component and play specified audio track.

Then try making some sound to see the reaction of the scene objects! Audio From File or Sound

Make sure to provide access to your microphone in Lens Studio by clicking on the microphone button at the bottom of the Preview panel Tip: You can add Audio From Microphone asset to the project by clicking on a + button in the Resources panel Set Input Type to Microphone, set Microphone Audio with the Audio From Microphone asset if it’s not set already. Select the Audio Analyzer scene object the Objects Panel to explore all the options of the Audio Analyzer script in the Inspector panel.

When you first open the template - the project is set up to analyze audio data from the FIle Audio Track. Audio Analyzer template allows you to drive different effects based on the power of the audio signal in certain frequency ranges Choosing the Audio Input

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