log_level

Value

0: Only show error and warning messages to the log files.

1: Show internal warnings (not application warnings); rarely useful.

2: Show internal performance information. The timing information in Vocalizer call logs is usually much more informative and easier to parse.

3: Show basic debug information—the most useful log level for investigating Vocalizer issues.

4: Show trace information for debugging.

5: Show detailed trace information for debugging.

6: Show internal data for debugging.

7: Show more detailed internal data for debugging.

Default

0 (normal errors and warnings)

How to set

Shown in precedence order (see Configuration precedence):

Set in a Vocalizer configuration file (tts_config.xml).

API—Set as TTS_PARAM_LOGFILE_LEVEL in TtsSetParamsEx.

Use

Seldom used. Higher levels enable diagnostic messages, which can greatly affect performance. Use higher log levels to collect logs for Nuance Technical Support. After collecting the logs, restore the default.