FindAudioSnippet¶

ID: Multimedia/FindAudioSnippet

Searches for an audio snippet within the given audio signal.

Signals¶

AudioSignal¶

The audio signal to be analyzed.

• Direction: IN

• Optional: False

SnippetFound¶

Optional output signal, which is True at the beginning of a match.

• Direction: OUT

• Optional: True

MatchConfidence¶

Optional output signal, which contains the confidence of a match where the signal ‘SnippetFound’ is indicating that a match was found.

• Direction: OUT

• Optional: True

ActiveMatches¶

Optional output signal, which holds the count of the active matches for each timestamp.

• Direction: OUT

• Optional: True

Parameters¶

Snippet¶

AudioBlock that stores the audio snippet to be searched for. The AudioBlock object can be constructed from an audio file path.

• Direction: IN

Threshold¶

Threshold for the confidence value of returned matches. Only matches with a higher confidence value will be returned.

• Direction: IN

NoiseResistantComparison¶

Specifies whether the noise resistant algorithm shall be used.

• Direction: IN

Matches¶

A list of matches, where each match is represented by a tuple(confidence, start time).

• Direction: OUT