This application is client software for real-time voice conversion that supports various voice conversion models. This application support the models including RVC, MMVCv13, MMVCv15, So-vits-svcv40, etc. However, this document focus on [RVC(Retrieval-based-Voice-Conversion)](https://github.com/liujing04/Retrieval-based-Voice-Conversion-WebUI) for voice conversion as the tutorial material. The basic operations for each model are essentially the same.
From the following, the original [Retrieval-based-Voice-Conversion-WebUI](https://github.com/RVC-Project/Retrieval-based-Voice-Conversion-WebUI) is referred to as the original-RVC, [RVC-WebUI](https://github.com/ddPn08/rvc-webui) created by ddPn08 is referred to as ddPn08-RVC.
- If you want to learn by yourself, please go to [original-RVC](https://github.com/liujing04/Retrieval-based-Voice-Conversion-WebUI) or [ddPn08RVC](https://github.com/ddPn08/rvc-webui).
- [TIPS for training](https://github.com/RVC-Project/Retrieval-based-Voice-Conversion-WebUI/blob/main/docs/training_tips_en.md) has been published, so please refer to it.
1. Next, run MMVCServerSIO by hold down the control key and clicking it (or right-click to run it). If a message appears stating that the developer cannot be verified, run it again by holding down the control key and clicking it (or right-click to run it). The terminal will open and the process will finish within a few seconds.
1. Next, execute the startHTTP.command by holding down the control key and clicking on it (or you can also right-click to run it). If a message appears stating that the developer cannot be verified, repeat the process by holding down the control key and clicking on it (or perform a right-click to run it). A terminal will open, and the launch process will begin.
- In other words, the key is to run both MMVCServerSIO and startHTTP.command. Moreover, you need to run MMVCServerSIO first.
When you run a .bat file (Windows) or .command file (Mac), a screen like the following will be displayed and various data will be downloaded from the Internet at the initial start-up. Depending on your environment, it may take 1-2 minutes in many cases.
Once the download of the required data is complete, a dialog like the one below will be displayed. If you wish, press the yellow icon to reward the developer with a cup of coffee. Pressing the Start button will make the dialog disappear.
(1) To get started, click on the Model Selection area to select the model you would like to use. Once the model is loaded, the images of the characters will be displayed on the screen.
(2) Select the microphone (input) and speaker (output) you wish to use. If you are unfamiliar, we recommend selecting the client and then selecting your microphone and speaker. (We will explain the difference between server later).
(3) When you press the start button, the audio conversion will start after a few seconds of data loading. Try saying something into the microphone. You should be able to hear the converted audio from the speaker.
A1. It is possible that your PC's performance is not adequate. Try increasing the CHUNK value (as shown in Figure as A, for example, 1024). Also try setting F0 Det to dio (as shown in Figure as B).
A2. Refer to [this](https://github.com/w-okada/voice-changer/blob/master/tutorials/trouble_shoot_communication_ja.md) and identify where the problem lies, and consider a solution.
A3. Although it wasn't explained in the Quick Start, if the model is pitch-changeable, you can change it with TUNE. Please refer to the more detailed explanation below.
Q4. The window doesn't show up or the window shows up but the contents are not displayed. A console error such as `electron: Failed to load URL: http://localhost:18888/ with error: ERR_CONNECTION_REFUSED` is displayed.
A4. There is a possibility that the virus checker is running. Please wait or designate the folder to be excluded at your own risk.
Q5. `[4716:0429/213736.103:ERROR:gpu_init.cc(523)] Passthrough is not supported, GL is disabled, ANGLE is` is displayed
A5. This is an error produced by the library used by this application, but it does not have any effect, so please ignore it.
A6. Please use the DirectML version. Additionally, AMD GPUs are only enabled for ONNX models. You can judge this by the GPU utilization rate going up in the Performance Monitor.([see here](https://github.com/w-okada/voice-changer/issues/383))
Q7. onxxruntime is not launching and it's producing an error.
A7. It appears that an error occurs if the folder path contains unicode. Please extract to a path that does not use unicode (just alphanumeric characters). (Reference: https://github.com/w-okada/voice-changer/issues/528)
When this button is pressed, the sound inputted will be outputted as is.
The sound inputted will be outputted as is.. By default, a confirmation dialog will appear when it's activated, but you can skip this dialog through the Advanced Settings.
You can specify the rate of weight assigned to the features used in training. This is only valid for models which have an index file registered. 0 uses HuBERT's output as-is and 1 assigns all weights to the original features. If the index ratio is greater than 0, it may take longer to search.
This is the threshold of the volume for performing speech conversion. When the rms is smaller than this value, speech conversion will be skipped and silence will be returned instead. (In this case, since the conversion process is skipped, the burden will not be so large.)
Decide how much length to cut and convert in one conversion. The higher the value, the more efficient the conversion, but the larger the buf value, the longer the maximum time before the conversion starts. The approximate time is displayed in buff:.
Determines how much past audio to include in the input when converting audio. The longer the past voice is, the better the accuracy of the conversion, but the longer the res is, the longer the calculation takes.
(Probably because Transformer is a bottleneck, the calculation time will increase by the square of this length)
Even if a GPU is not detected, gpu0 - gpu3 will still be displayed. If you specify a GPU that doesn't exist, the CPU will be used instead.[reference](https://github.com/w-okada/voice-changer/issues/410)
