[bugfix] avoid the random shuffle of phoneme and tone tokens. #6855
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What does this PR do ?
The order of outputs of
dict.values()
is usually shuffled so that the tokenizer and the model will be confused to match a correct sound for a specific integer index. You can tell the diff in between as below,CTC Training Loss Curves
The upper and bottom curves are referring to the current implementation and bugfix, respectively.
Phoneme Token List
['#Q', '#VE', '#IE', '#X', '#Y', '#ZH', '#S', '#EI', '#ANG', '#V', '#O', '#H', '#D', '#F', '#T', '#G', '#OU', '#UI', '#UN', '#B', '#IU', '#I', '#C', '#AO', '#IN', '#L', '#^', '#M', '#ING', '#VN', '#Z', '#SH', '#EN', '#J', '#P', '#K', '#CH', '#AI', '#A', '#ENG', '#R', '#W', '#U', '#E', '#AN', '#N', '#ER', '#ONG']
['#A', '#AI', '#AN', '#ANG', '#AO', '#B', '#C', '#CH', '#D', '#E', '#EI', '#EN', '#ENG', '#ER', '#F', '#G', '#H', '#I', '#IE', '#IN', '#ING', '#IU', '#J', '#K', '#L', '#M', '#N', '#O', '#ONG', '#OU', '#P', '#Q', '#R', '#S', '#SH', '#T', '#U', '#UI', '#UN', '#V', '#VE', '#VN', '#W', '#X', '#Y', '#Z', '#ZH', '#^']
Audio Examples
Collection: [Note which collection this PR will affect]
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