diff --git a/TTS/vocoder/models/gan.py b/TTS/vocoder/models/gan.py
index f203c533..81ba87c4 100644
--- a/TTS/vocoder/models/gan.py
+++ b/TTS/vocoder/models/gan.py
@@ -35,7 +35,7 @@ class GAN(BaseVocoder):
             >>> config = HifiganConfig()
             >>> model = GAN(config)
         """
-        super().__init__()
+        super().__init__(config)
         self.config = config
         self.model_g = setup_generator(config)
         self.model_d = setup_discriminator(config)
@@ -197,18 +197,24 @@ class GAN(BaseVocoder):
         audios = {f"{name}/audio": sample_voice}
         return figures, audios
 
-    def train_log(self, ap: AudioProcessor, batch: Dict, outputs: Dict) -> Tuple[Dict, np.ndarray]:
+    def train_log(
+        self, batch: Dict, outputs: Dict, logger: "Logger", assets: Dict, steps: int  # pylint: disable=unused-argument
+    ) -> Tuple[Dict, np.ndarray]:
         """Call `_log()` for training."""
-        return self._log("train", ap, batch, outputs)
+        ap = assets["audio_processor"]
+        self._log("train", ap, batch, outputs)
 
     @torch.no_grad()
     def eval_step(self, batch: Dict, criterion: nn.Module, optimizer_idx: int) -> Tuple[Dict, Dict]:
         """Call `train_step()` with `no_grad()`"""
         return self.train_step(batch, criterion, optimizer_idx)
 
-    def eval_log(self, ap: AudioProcessor, batch: Dict, outputs: Dict) -> Tuple[Dict, np.ndarray]:
+    def eval_log(
+        self, batch: Dict, outputs: Dict, logger: "Logger", assets: Dict, steps: int  # pylint: disable=unused-argument
+    ) -> Tuple[Dict, np.ndarray]:
         """Call `_log()` for evaluation."""
-        return self._log("eval", ap, batch, outputs)
+        ap = assets["audio_processor"]
+        self._log("eval", ap, batch, outputs)
 
     def load_checkpoint(
         self,
@@ -299,7 +305,7 @@ class GAN(BaseVocoder):
     def get_data_loader(  # pylint: disable=no-self-use
         self,
         config: Coqpit,
-        ap: AudioProcessor,
+        assets: Dict,
         is_eval: True,
         data_items: List,
         verbose: bool,
@@ -318,6 +324,7 @@ class GAN(BaseVocoder):
         Returns:
             DataLoader: Torch dataloader.
         """
+        ap = assets["audio_processor"]
         dataset = GANDataset(
             ap=ap,
             items=data_items,
diff --git a/recipes/ljspeech/hifigan/train_hifigan.py b/recipes/ljspeech/hifigan/train_hifigan.py
index f50ef476..8d1c272a 100644
--- a/recipes/ljspeech/hifigan/train_hifigan.py
+++ b/recipes/ljspeech/hifigan/train_hifigan.py
@@ -1,29 +1,51 @@
 import os
 
-from TTS.trainer import Trainer, TrainingArgs, init_training
+from TTS.trainer import Trainer, TrainingArgs
+from TTS.utils.audio import AudioProcessor
 from TTS.vocoder.configs import HifiganConfig
+from TTS.vocoder.datasets.preprocess import load_wav_data
+from TTS.vocoder.models.gan import GAN
 
 output_path = os.path.dirname(os.path.abspath(__file__))
+
 config = HifiganConfig(
     batch_size=32,
     eval_batch_size=16,
     num_loader_workers=4,
     num_eval_loader_workers=4,
     run_eval=True,
-    test_delay_epochs=-1,
+    test_delay_epochs=5,
     epochs=1000,
     seq_len=8192,
     pad_short=2000,
     use_noise_augment=True,
     eval_split_size=10,
     print_step=25,
-    print_eval=True,
+    print_eval=False,
     mixed_precision=False,
     lr_gen=1e-4,
     lr_disc=1e-4,
     data_path=os.path.join(output_path, "../LJSpeech-1.1/wavs/"),
     output_path=output_path,
 )
-args, config, output_path, _, c_logger, dashboard_logger = init_training(TrainingArgs(), config)
-trainer = Trainer(args, config, output_path, c_logger, dashboard_logger)
+
+# init audio processor
+ap = AudioProcessor(**config.audio.to_dict())
+
+# load training samples
+eval_samples, train_samples = load_wav_data(config.data_path, config.eval_split_size)
+
+# init model
+model = GAN(config)
+
+# init the trainer and 🚀
+trainer = Trainer(
+    TrainingArgs(),
+    config,
+    output_path,
+    model=model,
+    train_samples=train_samples,
+    eval_samples=eval_samples,
+    training_assets={"audio_processor": ap},
+)
 trainer.fit()
diff --git a/recipes/ljspeech/multiband_melgan/train_multiband_melgan.py b/recipes/ljspeech/multiband_melgan/train_multiband_melgan.py
index 1473ec3c..90c52997 100644
--- a/recipes/ljspeech/multiband_melgan/train_multiband_melgan.py
+++ b/recipes/ljspeech/multiband_melgan/train_multiband_melgan.py
@@ -1,29 +1,51 @@
 import os
 
-from TTS.trainer import Trainer, TrainingArgs, init_training
+from TTS.trainer import Trainer, TrainingArgs
+from TTS.utils.audio import AudioProcessor
 from TTS.vocoder.configs import MultibandMelganConfig
+from TTS.vocoder.datasets.preprocess import load_wav_data
+from TTS.vocoder.models.gan import GAN
 
 output_path = os.path.dirname(os.path.abspath(__file__))
+
 config = MultibandMelganConfig(
     batch_size=32,
     eval_batch_size=16,
     num_loader_workers=4,
     num_eval_loader_workers=4,
     run_eval=True,
-    test_delay_epochs=-1,
+    test_delay_epochs=5,
     epochs=1000,
     seq_len=8192,
     pad_short=2000,
     use_noise_augment=True,
     eval_split_size=10,
     print_step=25,
-    print_eval=True,
+    print_eval=False,
     mixed_precision=False,
     lr_gen=1e-4,
     lr_disc=1e-4,
     data_path=os.path.join(output_path, "../LJSpeech-1.1/wavs/"),
     output_path=output_path,
 )
-args, config, output_path, _, c_logger, dashboard_logger = init_training(TrainingArgs(), config)
-trainer = Trainer(args, config, output_path, c_logger, dashboard_logger)
+
+# init audio processor
+ap = AudioProcessor(**config.audio.to_dict())
+
+# load training samples
+eval_samples, train_samples = load_wav_data(config.data_path, config.eval_split_size)
+
+# init model
+model = GAN(config)
+
+# init the trainer and 🚀
+trainer = Trainer(
+    TrainingArgs(),
+    config,
+    output_path,
+    model=model,
+    train_samples=train_samples,
+    eval_samples=eval_samples,
+    training_assets={"audio_processor": ap},
+)
 trainer.fit()
diff --git a/recipes/ljspeech/univnet/train.py b/recipes/ljspeech/univnet/train.py
index e8979c92..a4ab93bf 100644
--- a/recipes/ljspeech/univnet/train.py
+++ b/recipes/ljspeech/univnet/train.py
@@ -1,7 +1,10 @@
 import os
 
-from TTS.trainer import Trainer, TrainingArgs, init_training
+from TTS.trainer import Trainer, TrainingArgs
+from TTS.utils.audio import AudioProcessor
 from TTS.vocoder.configs import UnivnetConfig
+from TTS.vocoder.datasets.preprocess import load_wav_data
+from TTS.vocoder.models.gan import GAN
 
 output_path = os.path.dirname(os.path.abspath(__file__))
 config = UnivnetConfig(
@@ -24,6 +27,24 @@ config = UnivnetConfig(
     data_path=os.path.join(output_path, "../LJSpeech-1.1/wavs/"),
     output_path=output_path,
 )
-args, config, output_path, _, c_logger, dashboard_logger = init_training(TrainingArgs(), config)
-trainer = Trainer(args, config, output_path, c_logger, dashboard_logger)
+
+# init audio processor
+ap = AudioProcessor(**config.audio.to_dict())
+
+# load training samples
+eval_samples, train_samples  = load_wav_data(config.data_path, config.eval_split_size)
+
+# init model
+model = GAN(config)
+
+# init the trainer and 🚀
+trainer = Trainer(
+    TrainingArgs(),
+    config,
+    output_path,
+    model=model,
+    train_samples=train_samples,
+    eval_samples=eval_samples,
+    training_assets={"audio_processor": ap},
+)
 trainer.fit()