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Audio Built-ins










Audio Built-ins

Audio Built-ins provide functionality to match audio files. For Steps and Compound Steps, refer to Audio and Speech Channel Steps and Compound Steps.

Match References

matchesReference compares an audio recording to a reference file. The Step optionally receives a parameter indicating the required similarity of the two audio files, expressed in percentage, in order for the step to succeed.

Syntax 

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Audio.matchesReference(<audio File>, <reference String>, <minimumSimilarityPercentage Number>, <profile String>)

Parameters

  • audio - The audio file to be matched

  • reference - The name of the expected reference recording

  • minimumSimilarityPercentage (Optional) - The percentage between 0 and 100 that defines the extent to which the audio recording must match the reference recording

    • Default value is set to 0

  • profile (Optional) - The name of the Audio Match profile to be used for the audio matching, which must evaluate to a string

Example - 2 Arguments 

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Audio.matchesReference(file, "referenceName")

The example above specifies the audio file and the expected reference recording are specified.

Example - 3 Arguments 

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Audio.matchesReference(file, "referenceName", 50.0)

The example above specifies one additional argument for the similarity score, in addition to the audio file and the expected reference recording.

Example - 4 Arguments 

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Audio.matchesReference(file, "referenceName", 50.0, "hd-profile")

The example above specifies two additional arguments for the similarity score and the profile, in addition to the audio file and the expected reference recording.