PhonologicalRule

class montreal_forced_aligner.db.PhonologicalRule(**kwargs)

Bases: Base

Database class for storing information about a phonological rule

Parameters:

• id (int) – Primary key

• segment (str) – Segment to replace

• preceding_context (str) – Context before segment to match

• following_context (str) – Context after segment to match

• replacement (str) – Replacement of segment

• probability (float) – Probability of the rule application

• silence_after_probability (float) – Probability of silence following forms with rule application

• silence_before_correction (float) – Correction factor for silence before forms with rule application

• non_silence_before_correction (float) – Correction factor for non-silence before forms with rule application

• pronunciations (list[RuleApplication]) – List of rule applications

apply_rule(pronunciation)

Apply the rule on a pronunciation by replacing any matching segments with the replacement

Parameters:

pronunciation (str) – Pronunciation to apply rule

Returns:

Pronunciation with rule applied

Return type:

str

property match_regex

Regular expression of the rule

to_json()

Serializes the rule for export

Returns:

Serialized rule

Return type:

dict[str, Any]