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# AfpAddTrackWav

The `AfpAddTrackWav` task allows you to add a new audio track to an audio fingerprint database, reading the data from an audio file and converting it into AFP features before indexing. If the database does not already exist, it is created by adding the track.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `AfpAddTrackWav`. | Yes
AfpDb | The audio fingerprint database (if it is defined in the configuration file). | *
File | The name of the audio file to index. | Yes
Pack | The audio fingerprint database (if it is not defined in the configuration file). | *
PackDir | The path to the directory containing the database. If this directory does not already exist, manually create it before sending the action. If the database does not yet exist, IDOL Speech Server creates the database in this directory. | *
Rnd | A window size within which a random offset shift is calculated. |
Sfreq | The sample frequency of the audio file to process. |
SpecSize | The analysis resolution. |
SugdInputChannels | The channel layout of the input media file. |
SugdInputFrequency | The sampling rate of the input media file. |
Tag | The tag associated with the track being added. | Yes

*If the database is defined in the IDOL Speech Server configuration file, you must set the AfpDb parameter. If the database is not defined, set both the Pack and PackDir parameters instead.

## Example

    http://localhost:13000/action=AddTask&Type=AfpAddTrackWav&File=C:\Data\Jingle.wav&Tag=MyCompanyJingle&PackDir=C:\resources&Pack=Adverts

This action uses port `13000` to instruct Speech Server, which is located on the local machine, to index the audio file `Jingle.wav` into the `Adverts` database. If the `Adverts` database does not already exist, Speech Server creates it. If the clip is subsequently identified in an audio file, Speech Server identifies it using the tag `MyCompanyJingle`.

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