diff --git a/vall_e/emb/process.py b/vall_e/emb/process.py
index 5d73316..aadd980 100644
--- a/vall_e/emb/process.py
+++ b/vall_e/emb/process.py
@@ -179,6 +179,7 @@ def process(
 	max_duration=None,
 	skip_existing_folders=False,
 	low_memory=False,
+	strict_languages=False,
 
 	device="cuda",
 	dtype="float16",
@@ -253,9 +254,13 @@ def process(
 						continue
 
 					waveform, sample_rate = load_audio( inpath, dtype=dtype )
-					qnt = quantize(waveform, sr=sample_rate, device=device)
-
-					process_job(outpath, waveform, sample_rate)
+					try:
+						process_job( outpath, waveform, sample_rate, None, language="en", device=device, dtype=dtype if not amp else None)
+					except Exception as e:
+						_logger.error(f"Failed to quantize: {outpath}: {str(e)}")
+						if raise_exceptions:
+							raise e
+						continue
 
 				continue
 			
@@ -294,6 +299,22 @@ def process(
 				waveform, sample_rate = None, None
 				language = language_map[group_name] if group_name in language_map else (metadata[filename]["language"] if "language" in metadata[filename] else "en")
 
+				if language == "english":
+					language = "en"
+				elif language == "japanese":
+					language = "ja"
+				elif language == "french":
+					language = "fr"
+				elif language == "german":
+					language = "de"
+				elif language == "korean":
+					language = "ko"
+				elif language == "chinese":
+					language = "zh"
+
+				if strict_language and language not in ["en", "ja", "fr", "de", "ko", "zh"]:
+					language = "auto"
+
 				if len(metadata[filename]["segments"]) == 0 or not use_slices:
 					outpath = Path(f'./{output_dataset}/{group_name}/{speaker_id}/{fname}.{extension}').with_suffix(audio_extension)
 					text = metadata[filename]["text"]
@@ -375,6 +396,7 @@ def main():
 	parser.add_argument("--raise-exceptions", action="store_true")
 	parser.add_argument("--low-memory", action="store_true")
 	parser.add_argument("--skip-existing-folders", action="store_true")
+	parser.add_argument("--strict-languages", action="store_true")
 	parser.add_argument("--stride", type=int, default=0)
 	parser.add_argument("--stride-offset", type=int, default=0)
 	parser.add_argument("--slice", type=str, default="auto")
@@ -412,6 +434,7 @@ def main():
 		batch_size=args.batch_size,
 		max_duration=args.max_duration,
 		skip_existing_folders=args.skip_existing_folders,
+		strict_languages=args.strict_languages,
 		
 		low_memory=args.low_memory,