fix(whisper): support arbitrary ctc blank id #2157
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第一点同意 第二点 blank id 能设置为vocab_size+1 吗？ blank 和nonspeech还是有点区别 |
那ctc的linear要变一下，ctc的词表就和decoder的词表不一样。同意用不同词表的方案可能更好点，后续PR修改 |
Mddct
approved these changes
Nov 24, 2023
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50362为 blank_id, 是因为whisper这个对应了一个特殊token<nospeech>，做ASR微调的时候decoder输入永远不会出现这个token（VAD任务才会有），且含义上也比较接近ctc的blank