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# DoToneClass

`DoToneClass` specifies whether to identify DTMF tones and include them in the audio categorization output.

This option has an effect only if the output classification stream is enabled, by configuring the audiopreproc module mode A (see [audiopreproc] Module Configuration). You can use `DoToneClass` in addition to outputting detected tones to a separate output stream (by configuring the audiopreproc module mode T).

Set `DoToneClass` to `True` to always identify DTMF tones. Set `DoToneClass` to `False` to never identify DTMF tones.

You can also set `DoToneClass` to `Auto` to identify DTMF tones for 8kHz (telephony) audio, but not for 16kHz audio.

Type: | String
Default: | False
Required: | No
Configuration Section: | audiopreproc module
Example: | `DoToneClass=auto`
See Also: | DtDoDialTones DoDialTones action parameter

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