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README.md

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-# **Wav2Lip**: *Accurately Lip-syncing Videos In The Wild*
+---
+{}
+---
 
-For commercial requests, please contact us at radrabha.[email protected] or prajwal.[email protected]. We have an HD model ready that can be used commercially.
-
-This code is part of the paper: _A Lip Sync Expert Is All You Need for Speech to Lip Generation In the Wild_ published at ACM Multimedia 2020. 
-
-[![PWC](https://img.shields.io/endpoint.svg?url=https://paperswithcode.com/badge/a-lip-sync-expert-is-all-you-need-for-speech/lip-sync-on-lrs2)](https://paperswithcode.com/sota/lip-sync-on-lrs2?p=a-lip-sync-expert-is-all-you-need-for-speech)
-[![PWC](https://img.shields.io/endpoint.svg?url=https://paperswithcode.com/badge/a-lip-sync-expert-is-all-you-need-for-speech/lip-sync-on-lrs3)](https://paperswithcode.com/sota/lip-sync-on-lrs3?p=a-lip-sync-expert-is-all-you-need-for-speech)
-[![PWC](https://img.shields.io/endpoint.svg?url=https://paperswithcode.com/badge/a-lip-sync-expert-is-all-you-need-for-speech/lip-sync-on-lrw)](https://paperswithcode.com/sota/lip-sync-on-lrw?p=a-lip-sync-expert-is-all-you-need-for-speech)
-
-|📑 Original Paper|📰 Project Page|🌀 Demo|⚡ Live Testing|📔 Colab Notebook
-|:-:|:-:|:-:|:-:|:-:|
-[Paper](http://arxiv.org/abs/2008.10010) | [Project Page](http://cvit.iiit.ac.in/research/projects/cvit-projects/a-lip-sync-expert-is-all-you-need-for-speech-to-lip-generation-in-the-wild/) | [Demo Video](https://youtu.be/0fXaDCZNOJc) | [Interactive Demo](https://bhaasha.iiit.ac.in/lipsync) | [Colab Notebook](https://colab.research.google.com/drive/1tZpDWXz49W6wDcTprANRGLo2D_EbD5J8?usp=sharing) /[Updated Collab Notebook](https://colab.research.google.com/drive/1IjFW1cLevs6Ouyu4Yht4mnR4yeuMqO7Y#scrollTo=MH1m608OymLH)
-
- <img src="https://drive.google.com/uc?export=view&id=1Wn0hPmpo4GRbCIJR8Tf20Akzdi1qjjG9"/>
-
-----------
-**Highlights**
-----------
- - Weights of the visual quality disc has been updated in readme!
- - Lip-sync videos to any target speech with high accuracy :100:. Try our [interactive demo](https://bhaasha.iiit.ac.in/lipsync).
- - :sparkles: Works for any identity, voice, and language. Also works for CGI faces and synthetic voices.
- - Complete training code, inference code, and pretrained models are available :boom:
- - Or, quick-start with the Google Colab Notebook: [Link](https://colab.research.google.com/drive/1tZpDWXz49W6wDcTprANRGLo2D_EbD5J8?usp=sharing). Checkpoints and samples are available in a Google Drive [folder](https://drive.google.com/drive/folders/1I-0dNLfFOSFwrfqjNa-SXuwaURHE5K4k?usp=sharing) as well. There is also a [tutorial video](https://www.youtube.com/watch?v=Ic0TBhfuOrA) on this, courtesy of [What Make Art](https://www.youtube.com/channel/UCmGXH-jy0o2CuhqtpxbaQgA). Also, thanks to [Eyal Gruss](https://eyalgruss.com), there is a more accessible [Google Colab notebook](https://j.mp/wav2lip) with more useful features. A tutorial collab notebook is present at this [link](https://colab.research.google.com/drive/1IjFW1cLevs6Ouyu4Yht4mnR4yeuMqO7Y#scrollTo=MH1m608OymLH).  
- - :fire: :fire: Several new, reliable evaluation benchmarks and metrics [[`evaluation/` folder of this repo]](https://github.com/Rudrabha/Wav2Lip/tree/master/evaluation) released. Instructions to calculate the metrics reported in the paper are also present.
-
---------
-**Disclaimer**
---------
-All results from this open-source code or our [demo website](https://bhaasha.iiit.ac.in/lipsync) should only be used for research/academic/personal purposes only. As the models are trained on the <a href="http://www.robots.ox.ac.uk/~vgg/data/lip_reading/lrs2.html">LRS2 dataset</a>, any form of commercial use is strictly prohibhited. For commercial requests please contact us directly!
-
-Prerequisites
--------------
-- `Python 3.6` 
-- ffmpeg: `sudo apt-get install ffmpeg`
-- Install necessary packages using `pip install -r requirements.txt`. Alternatively, instructions for using a docker image is provided [here](https://gist.github.com/xenogenesi/e62d3d13dadbc164124c830e9c453668). Have a look at [this comment](https://github.com/Rudrabha/Wav2Lip/issues/131#issuecomment-725478562) and comment on [the gist](https://gist.github.com/xenogenesi/e62d3d13dadbc164124c830e9c453668) if you encounter any issues. 
-- Face detection [pre-trained model](https://www.adrianbulat.com/downloads/python-fan/s3fd-619a316812.pth) should be downloaded to `face_detection/detection/sfd/s3fd.pth`. Alternative [link](https://iiitaphyd-my.sharepoint.com/:u:/g/personal/prajwal_k_research_iiit_ac_in/EZsy6qWuivtDnANIG73iHjIBjMSoojcIV0NULXV-yiuiIg?e=qTasa8) if the above does not work.
-
-Getting the weights
-----------
-| Model  | Description |  Link to the model | 
-| :-------------: | :---------------: | :---------------: |
-| Wav2Lip  | Highly accurate lip-sync | [Link](https://iiitaphyd-my.sharepoint.com/:u:/g/personal/radrabha_m_research_iiit_ac_in/Eb3LEzbfuKlJiR600lQWRxgBIY27JZg80f7V9jtMfbNDaQ?e=TBFBVW)  |
-| Wav2Lip + GAN  | Slightly inferior lip-sync, but better visual quality | [Link](https://iiitaphyd-my.sharepoint.com/:u:/g/personal/radrabha_m_research_iiit_ac_in/EdjI7bZlgApMqsVoEUUXpLsBxqXbn5z8VTmoxp55YNDcIA?e=n9ljGW) |
-| Expert Discriminator  | Weights of the expert discriminator | [Link](https://iiitaphyd-my.sharepoint.com/:u:/g/personal/radrabha_m_research_iiit_ac_in/EQRvmiZg-HRAjvI6zqN9eTEBP74KefynCwPWVmF57l-AYA?e=ZRPHKP) |
-| Visual Quality Discriminator  | Weights of the visual disc trained in a GAN setup | [Link](https://iiitaphyd-my.sharepoint.com/:u:/g/personal/radrabha_m_research_iiit_ac_in/EQVqH88dTm1HjlK11eNba5gBbn15WMS0B0EZbDBttqrqkg?e=ic0ljo) |
-
-Lip-syncing videos using the pre-trained models (Inference)
--------
-You can lip-sync any video to any audio:
-```bash
-python inference.py --checkpoint_path <ckpt> --face <video.mp4> --audio <an-audio-source> 
-```
-The result is saved (by default) in `results/result_voice.mp4`. You can specify it as an argument,  similar to several other available options. The audio source can be any file supported by `FFMPEG` containing audio data: `*.wav`, `*.mp3` or even a video file, from which the code will automatically extract the audio.
-
-##### Tips for better results:
-- Experiment with the `--pads` argument to adjust the detected face bounding box. Often leads to improved results. You might need to increase the bottom padding to include the chin region. E.g. `--pads 0 20 0 0`.
-- If you see the mouth position dislocated or some weird artifacts such as two mouths, then it can be because of over-smoothing the face detections. Use the `--nosmooth` argument and give another try. 
-- Experiment with the `--resize_factor` argument, to get a lower resolution video. Why? The models are trained on faces which were at a lower resolution. You might get better, visually pleasing results for 720p videos than for 1080p videos (in many cases, the latter works well too). 
-- The Wav2Lip model without GAN usually needs more experimenting with the above two to get the most ideal results, and sometimes, can give you a better result as well.
-
-Preparing LRS2 for training
-----------
-Our models are trained on LRS2. See [here](#training-on-datasets-other-than-lrs2) for a few suggestions regarding training on other datasets.
-##### LRS2 dataset folder structure
-
-```
-data_root (mvlrs_v1)
-├── main, pretrain (we use only main folder in this work)
-|	├── list of folders
-|	│   ├── five-digit numbered video IDs ending with (.mp4)
-```
-
-Place the LRS2 filelists (train, val, test) `.txt` files in the `filelists/` folder.
-
-##### Preprocess the dataset for fast training
-
-```bash
-python preprocess.py --data_root data_root/main --preprocessed_root lrs2_preprocessed/
-```
-Additional options like `batch_size` and number of GPUs to use in parallel to use can also be set.
-
-##### Preprocessed LRS2 folder structure
-```
-preprocessed_root (lrs2_preprocessed)
-├── list of folders
-|	├── Folders with five-digit numbered video IDs
-|	│   ├── *.jpg
-|	│   ├── audio.wav
-```
-
-Train!
-----------
-There are two major steps: (i) Train the expert lip-sync discriminator, (ii) Train the Wav2Lip model(s).
-
-##### Training the expert discriminator
-You can download [the pre-trained weights](#getting-the-weights) if you want to skip this step. To train it:
-```bash
-python color_syncnet_train.py --data_root lrs2_preprocessed/ --checkpoint_dir <folder_to_save_checkpoints>
-```
-##### Training the Wav2Lip models
-You can either train the model without the additional visual quality disriminator (< 1 day of training) or use the discriminator (~2 days). For the former, run: 
-```bash
-python wav2lip_train.py --data_root lrs2_preprocessed/ --checkpoint_dir <folder_to_save_checkpoints> --syncnet_checkpoint_path <path_to_expert_disc_checkpoint>
-```
-
-To train with the visual quality discriminator, you should run `hq_wav2lip_train.py` instead. The arguments for both the files are similar. In both the cases, you can resume training as well. Look at `python wav2lip_train.py --help` for more details. You can also set additional less commonly-used hyper-parameters at the bottom of the `hparams.py` file.
-
-Training on datasets other than LRS2
-------------------------------------
-Training on other datasets might require modifications to the code. Please read the following before you raise an issue:
-
-- You might not get good results by training/fine-tuning on a few minutes of a single speaker. This is a separate research problem, to which we do not have a solution yet. Thus, we would most likely not be able to resolve your issue. 
-- You must train the expert discriminator for your own dataset before training Wav2Lip.
-- If it is your own dataset downloaded from the web, in most cases, needs to be sync-corrected.
-- Be mindful of the FPS of the videos of your dataset. Changes to FPS would need significant code changes. 
-- The expert discriminator's eval loss should go down to ~0.25 and the Wav2Lip eval sync loss should go down to ~0.2 to get good results. 
-
-When raising an issue on this topic, please let us know that you are aware of all these points.
-
-We have an HD model trained on a dataset allowing commercial usage. The size of the generated face will be 192 x 288 in our new model.
-
-Evaluation
-----------
-Please check the `evaluation/` folder for the instructions.
-
-License and Citation
-----------
-Theis repository can only be used for personal/research/non-commercial purposes. However, for commercial requests, please contact us directly at [email protected] or [email protected]. We have an HD model trained on a dataset allowing commercial usage. The size of the generated face will be 192 x 288 in our new model. Please cite the following paper if you use this repository:
-```
-@inproceedings{10.1145/3394171.3413532,
-author = {Prajwal, K R and Mukhopadhyay, Rudrabha and Namboodiri, Vinay P. and Jawahar, C.V.},
-title = {A Lip Sync Expert Is All You Need for Speech to Lip Generation In the Wild},
-year = {2020},
-isbn = {9781450379885},
-publisher = {Association for Computing Machinery},
-address = {New York, NY, USA},
-url = {https://doi.org/10.1145/3394171.3413532},
-doi = {10.1145/3394171.3413532},
-booktitle = {Proceedings of the 28th ACM International Conference on Multimedia},
-pages = {484–492},
-numpages = {9},
-keywords = {lip sync, talking face generation, video generation},
-location = {Seattle, WA, USA},
-series = {MM '20}
-}
-```
-
-
-Acknowledgements
-----------
-Parts of the code structure is inspired by this [TTS repository](https://github.com/r9y9/deepvoice3_pytorch). We thank the author for this wonderful code. The code for Face Detection has been taken from the [face_alignment](https://github.com/1adrianb/face-alignment) repository. We thank the authors for releasing their code and models. We thank [zabique](https://github.com/zabique) for the tutorial collab notebook.
+wav2lip直接使用. 1.py 2.py 3.py 4.py