diff --git a/facefusion/choices.py b/facefusion/choices.py
index 9571326..c1c4ce1 100755
--- a/facefusion/choices.py
+++ b/facefusion/choices.py
@@ -37,9 +37,12 @@ face_mask_regions : List[FaceMaskRegion] = list(face_mask_region_set.keys())
 
 audio_type_set : AudioTypeSet =\
 {
+	'flac': 'audio/flac',
 	'm4a': 'audio/mp4',
+	'm4v': 'audio/m4v',
 	'mp3': 'audio/mpeg',
 	'ogg': 'audio/ogg',
+	'opus': 'audio/opus',
 	'wav': 'audio/x-wav'
 }
 image_type_set : ImageTypeSet =\
diff --git a/facefusion/typing.py b/facefusion/typing.py
index 0b59575..b73fa12 100755
--- a/facefusion/typing.py
+++ b/facefusion/typing.py
@@ -109,7 +109,7 @@ FaceMaskType = Literal['box', 'occlusion', 'region']
 FaceMaskRegion = Literal['skin', 'left-eyebrow', 'right-eyebrow', 'left-eye', 'right-eye', 'glasses', 'nose', 'mouth', 'upper-lip', 'lower-lip']
 FaceMaskRegionSet = Dict[FaceMaskRegion, int]
 
-AudioFormat = Literal['m4a', 'mp3', 'ogg', 'wav']
+AudioFormat = Literal['flac', 'm4a', 'mp3', 'ogg', 'opus', 'wav']
 ImageFormat = Literal['bmp', 'jpeg', 'png', 'tiff', 'webp']
 VideoFormat = Literal['avi', 'm4v', 'mkv', 'mov', 'mp4', 'webm']
 TempFrameFormat = Literal['bmp', 'jpeg', 'png', 'tiff']