古称曲中转调为犯。据宋陈旸《乐书》卷164“犯调”:“乐府诸曲自古不用犯声,以为不顺也。唐自天后(690—705)末年剑气入浑脱,始为犯声。……明皇(712—756)时,乐人孙处秀善吹笛,好作犯声,时人以为新意而效之。”可见唐人犯调是从笛曲开始的。笛上犯调,可能同后世曲笛翻七调的方法差不多。但犯调是在一曲之中转换宫商;如果保持一 The ancient tune transfer as a criminal. According to Song Chen 旸 “Music Book” Volume 164, “Interlude”: “Le Fu Zhu Qu an ancient no need to make guilty, that is not smooth also .Tang Zi days (690-705) the last year Jian Qi into the mud off, was a guilty ... ... Ming emperor (712-756), the musician Sun Xiushu good flute, good as a prisoner of sound, when people think of new ideas and the effect. ”Can be seen from the flute in the Tang Dynasty began. Flute tune, may be similar to later generations flute tune seven ways. But the offensive tone is the conversion of Miyaji among the first ones;