![]() Any audio intensity below the set threshold will be ignored. The threshold above which it should invoke an action is determined by the variable “THRESHOLD”. """ p = pyaudio.PyAudio() stream = p.open(format=FORMAT, channels=CHANNELS, rate=RATE, input= True, frames_per_buffer=CHUNK) values = values = sorted(values, reverse= True) r = sum(values) / int(num_samples * 0.2) print(" Average audio intensity is ", r) stream.close() p.terminate() if r > THRESHOLD: listen(0) threading.Timer(SILENCE_LIMIT, audio_int).start()Īudio_int() functions constantly listens to the user voice input. The average is the avg of the 20% largest intensities recorded. You can use it to get average intensities while you're talking and/or silent. Let us break into pieces to understand each functions.Īudio_int() def audio_int(num_samples=50): """ Gets average audio intensity of your mic sound. Note: You will need to enable Microphone and loudspeaker in your laptop. This can be done by using the code below in Terminal/CommandPrompt.Įxport GOOGLE_APPLICATION_CREDENTIALS="" # For example export GOOGLE_APPLICATION_CREDENTIALS="/Users/Downloads/.json" All we need to do now is to set the OS environment path for the API key. This will download the API key in a json format. Click on “Furnish a new private key” and check “json” object and click “Save”. Provide a name and assign “Owner” for the Project Role. ![]() In search bar, type “service accounts” and create a new service account. Once done, we need to create a service account so that we can download the key as an JSON file.In the API page, click on the “Credentials” section and then click on “Create Credentials”.There are limitations in the free trial use which is provided in the Google speech API documentation. So please provide all the details and enable the API. There is no auto charge after the free trial ends. In addition, we need to provide credit/debit card or bank account details to use the free API service. We need to enable this API to use the Speech to Text API service. Type “Cloud Speech API” on the project search page.Click on “New project” and provide a name. Click on “Select a project” to create a project in Google Cloud.Here are the steps to follow, before we build a python based application.
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