Adele has reportedly started "basic vocal training" in preparation for her comeback.
The 'Someone Like You' singer underwent surgery on her vocal cords for a benign polyp earlier this year, forcing her to cancel a string of concerts in America and England, but she is now on the road to recovery and expected to start singing live again in 2012.
A source told US magazine: "She has time off in her schedule for much of the first quarter of 2012.
"Depending on how her voice builds back up, she might go to this medical vocal academy in Seoul. It sounds extreme, but she wouldn't be the first artist to go there after removing polyps."
As part of her continuing recovery, the singer will have a quiet Christmas at home with her mother, and is cutting back on alcohol and partying.
The source added: "She's not going out raving or drinking. It's going to be really quiet."
Yesterday (21.12.11) Adele sent a Christmas tweet to her fans, showing a picture of her with her hair done in a beehive style, and a caption reading: "Back on the grind. Hair and make up did. Merry Christmas! Axx (sic)."
It has been rumoured Adele could make her public comeback with an appearance at the BRIT Awards in February, although it is not known if she will perform at the show.