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整理: フレーム計算の _to_frame による共通化 #844

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Dec 11, 2023
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整理: フレーム計算の _to_frame による共通化 #844

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22 changes: 6 additions & 16 deletions voicevox_engine/synthesis_engine/synthesis_engine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -172,22 +172,12 @@ def calc_frame_per_phoneme(query: AudioQuery, moras: List[Mora]):
# Apply: グローバル特徴量による補正（話速）
moras = apply_speed_scale(moras, query)

# 音素あたりの継続長
sec_per_phoneme = numpy.array(
[
length
for mora in moras
for length in (
[mora.consonant_length] if mora.consonant is not None else []
)
+ [mora.vowel_length]
],
dtype=numpy.float32,
)
# 音素あたりのフレーム長。端数丸め。
framerate = 24000 / 256 # framerate 93.75 [frame/sec]
frame_per_phoneme = numpy.round(sec_per_phoneme * framerate).astype(numpy.int32)

frame_per_phoneme: list[ndarray] = []
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for mora in moras:
if mora.consonant:
frame_per_phoneme.append(_to_frame(mora.consonant_length))
frame_per_phoneme.append(_to_frame(mora.vowel_length))
frame_per_phoneme = numpy.array(frame_per_phoneme)
return frame_per_phoneme


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