Duplicate from awkyu/audiogen-medium

Co-authored-by: Alexander Kyu <[email protected]>

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README.md

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+---
+license: cc-by-nc-4.0
+---
+
+# AudioGen - Medium - 1.5B
+
+AudioGen is an autoregressive transformer LM that synthesizes general audio conditioned on text (Text-to-Audio). 
+Internally, AudioGen operates over discrete representations learnt from the raw waveform, using an EnCodec tokenizer.
+
+AudioGen was presented at [AudioGen: Textually Guided Audio Generation](https://arxiv.org/abs/2209.15352) by *Felix Kreuk, Gabriel Synnaeve, Adam Polyak, Uriel Singer, Alexandre Défossez, Jade Copet, Devi Parikh, Yaniv Taigman, Yossi Adi*.
+
+AudioGen 1.5B is a variant of the original AudioGen model that follows [MusicGen](https://arxiv.org/abs/2306.05284) architecture. 
+More specifically, it is trained over a 16kHz EnCodec tokenizer with 4 codebooks sampled at 50 Hz with a delay pattern between the codebooks. 
+Having only 50 auto-regressive steps per second of audio, this AudioGen model allows faster generation while reaching similar performances to the original AudioGen model introduced in the paper.
+
+## Audiocraft Usage
+
+You can run AudioGen locally through the original [Audiocraft library]((https://github.com/facebookresearch/audiocraft):
+
+1. First install the [`audiocraft` library](https://github.com/facebookresearch/audiocraft)
+```
+pip install git+https://github.com/facebookresearch/audiocraft.git
+```
+
+2. Make sure to have [`ffmpeg`](https://ffmpeg.org/download.html) installed:
+```
+apt get install ffmpeg
+```
+
+3. Run the following Python code:
+
+```py
+import torchaudio
+from audiocraft.models import AudioGen
+from audiocraft.data.audio import audio_write
+
+model = AudioGen.get_pretrained('facebook/audiogen-medium')
+model.set_generation_params(duration=5)  # generate 5 seconds.
+descriptions = ['dog barking', 'sirenes of an emergency vehicule', 'footsteps in a corridor']
+wav = model.generate(descriptions)  # generates 3 samples.
+
+for idx, one_wav in enumerate(wav):
+    # Will save under {idx}.wav, with loudness normalization at -14 db LUFS.
+    audio_write(f'{idx}', one_wav.cpu(), model.sample_rate, strategy="loudness", loudness_compressor=True)
+```
+
+## Model details
+
+See [AudioGen's model card](https://github.com/facebookresearch/audiocraft/blob/main/model_cards/AUDIOGEN_MODEL_CARD.md).

compression_state_dict.bin

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+}

handler.py

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+from typing import Dict, List, Any
+from transformers import AutoProcessor, MusicgenForConditionalGeneration
+import torch
+
+class EndpointHandler:
+    def __init__(self, path=""):
+        # load model and processor from path
+        self.processor = AutoProcessor.from_pretrained(path)
+        self.model = MusicgenForConditionalGeneration.from_pretrained(path, torch_dtype=torch.float16).to("cuda")
+
+    def __call__(self, data: Dict[str, Any]) -> Dict[str, str]:
+        """
+        Args:
+            data (:dict:):
+                The payload with the text prompt and generation parameters.
+        """
+        # process input
+        inputs = data.pop("inputs", data)
+        parameters = data.pop("parameters", None)
+
+        # preprocess
+        inputs = self.processor(
+            text=[inputs],
+            padding=True,
+            return_tensors="pt",).to("cuda")
+
+        # pass inputs with all kwargs in data
+        if parameters is not None:
+            with torch.autocast("cuda"):
+                outputs = self.model.generate(**inputs, **parameters)
+        else:
+            with torch.autocast("cuda"):
+                outputs = self.model.generate(**inputs,)
+
+        # postprocess the prediction
+        prediction = outputs[0].cpu().numpy().tolist()
+
+        return [{"generated_audio": prediction}]

requirements.txt

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+transformers==4.31.0
+accelerate>=0.20.3

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