[TTS]VITS init sampler reverse, test=tts (#2843)

paddlespeech/t2s/exps/vits/normalize.py

@@ -187,7 +187,7 @@ def main():
             record["spk_emb"] = str(item["spk_emb"])
 
         output_metadata.append(record)
-    output_metadata.sort(key=itemgetter('feats_lengths'))
+    output_metadata.sort(key=itemgetter('feats_lengths'), reverse=True)
     output_metadata_path = Path(args.dumpdir) / "metadata.jsonl"
     with jsonlines.open(output_metadata_path, 'w') as writer:
         for item in output_metadata:

paddlespeech/t2s/exps/vits/preprocess.py

@@ -166,7 +166,7 @@ def process_sentences(config,
                     if record:
                         results.append(record)
 
-    results.sort(key=itemgetter("feats_lengths"))
+    results.sort(key=itemgetter("feats_lengths"), reverse=True)
     with jsonlines.open(output_dir / "metadata.jsonl", 'w') as writer:
         for item in results:
             writer.write(item)

paddlespeech/t2s/exps/vits/train.py

@@ -110,7 +110,7 @@ def train_sp(args, config):
     train_sampler = ErnieSATSampler(
         train_dataset,
         batch_size=config.batch_size,
-        shuffle=True,
+        shuffle=False,
         drop_last=True)
     dev_sampler = ErnieSATSampler(
         dev_dataset,