Noise Detect Lambda Function

lambda_function.py is the Python lambda function for noise detect. It depends on ffmpeg. This is installed at /opt/python/ffmpeg in AWS.

Install

FFMPEG

To get FFMPEG installed, run install. This will download dependencies necesssary and create a python.zip to be uploaded as an AWS Lambda Layer.

AWS Lambda

• Create a new Lambda function
• Copy the Lambda function into the function pane
• Create new layer and upload python.zip
• Configure Lambda to use this layer
• Create REST ingress point

Data

Example of input data

{
    "body": {
        "bucket_name": "bucket",
        "key_name": "file.mkv",
        "noise_tolerance": -36,
        "noise_duration": 0.3
    }
}

Example of what the lambda returns

{
  "statusCode": 200,
  "data": {
    "success": true,
    "noise_detected": true,
    "error": null
  }
}