Hi mnjhuy86, 重新一个my_i2s_write 函数调用 i2s_write_expand, 然后把my_i2s_write 用 audio_element_set_write_cb修改 i2s_stream element 的write 函数。 int my_i2s_write(audio_element_handle_t self, char *buffer, int len, TickType_t ticks_to_wait, void *context) { i2s_stream_t *i2s = (i2s_stream_t *)audio_element_getdata(...