Created
December 12, 2023 21:28
-
-
Save koundinyad/8d03d759b6620b980b324d4db0fcf27a to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import json | |
cmu_dict_file = "./cmudict-0.txt" # CMU dictionary .txt file | |
word_data = {} | |
def get_stress(phonemes): | |
""" Extracts stress markers from phoneme list. """ | |
stress_markers = [] | |
for phoneme in phonemes: | |
if phoneme[-1].isdigit(): | |
stress_markers.append('U' if phoneme[-1] in '12' else 'I') | |
return stress_markers | |
def cmu_syllable_approximation(word, phonetic_transcription): # Split the transcription into phonemes | |
phonemes = phonetic_transcription.split() | |
stress_markers = get_stress(phonemes) | |
# Heuristic: map the number of vowels in the word to the syllable count | |
vowels = "AEIOU" | |
vowel_indices = [i for i, char in enumerate(word) if char.upper() in vowels] | |
split_indices = vowel_indices[:len(stress_markers) - 1] # Ignore the last vowel for splitting | |
# Split the word at the chosen indices | |
splits = [0] + [index + 1 for index in split_indices] + [len(word)] | |
syllables = [word[splits[i]:splits[i + 1]] for i in range(len(splits) - 1)] | |
# Create a list of dictionaries for each syllable | |
syllable_dicts = [{"syllable": syllables[i], "position": i+1, "pattern": stress_markers[i]} | |
for i in range(min(len(syllables), len(stress_markers)))] | |
return syllable_dicts | |
with open(cmu_dict_file, "r", encoding="ISO-8859-1") as file: | |
for line in file: | |
parts = line.strip().split() | |
word = parts[0] | |
transcription = ' '.join(parts[1:]) | |
syllable_dicts = cmu_syllable_approximation(word, transcription) | |
syllables = "".join(get_stress(transcription)) | |
# shortened key names for smaller file size | |
word_data[word] = { | |
"sc": len(syllable_dicts), # sc for syllable_count | |
"sp": syllables, # sp for syllable_pattern | |
"seg": syllable_dicts # seg for segments | |
} | |
output_json_file = "cmu_en.json" | |
with open(output_json_file, "w") as json_file: | |
json.dump(word_data, json_file) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment