# Deiteris' W Okada Fork

Last update: July 30, 2025

• W-Okada is a realtime voice changer that uses RVC for its conversion.

• There are two versions of this realtime voice changer, the offical original made by Wok, and the Deiteris fork made by Deiteris. Note that those 2 links are just for reference to the Source Code Github Repositories of both projects, you should instead follow the guide below.

• This guide will be about the Wokada Deiteris fork since it has better preformance and quality compared to the Original Wokada.

• RVC does NOT mean realtime voice changer. RVC means Retrieval-based-Voice-Conversion.

RVC Models are PyTorch Models, a Python library used for AI. PyTorch uses serialization via Pythons' Pickle Module, converting the model to a file. Since pickle can execute arbitrary code when loading a model, it could be theoretically used for malware, but Wokada Deiteris Fork has a built-in feature to prevent code execution along the model. Also, HuggingFace has a Security Scanner which scans for any unsafe pickle exploits and uses also ClamAV for scanning dangerous files.

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• Windows 10 or Later
• macOS 12 Monterey or later. With Apple Silicon or Intel CPU
• Any Linux Distro

and

• At least 6GB of RAM
• At least 6GB of free disk storage

TLDR: Make sure you have Nvidia RTX 20xx or AMD Radeon RX 5xxx or better. GTX 10xx or RX 580 will also work, but may run into issues with games and higher delay. If you have an iGPU (mostly AMD Radeon Graphics or Vega) use online hosted alternative instead.

Long answer:

Minimum:

• An integrated graphics card: AMD Radeon Vega 7 (with AMD Ryzen 5 5600G) or later; with 2GB VRAM (in FP32 mode), ~1GB VRAM (in FP16 mode, if supported). But this is NOT recommended at all and we will most likely not recommend you to download the realtime voice changer with iGPUs.

• A dedicated graphics card: Nvidia GeForce GTX 900 Series or later, or AMD Radeon RX 400 series or later, or Intel Arc A300 series or later.

Recommended:

• A dedicated graphics card Nvidia GeForce RTX 20 Series or later, or AMD Radeon RX 5000 series or later, or Intel Arc A500 series or later.

TLDR: don't bother. You can't run games, discord usage might be the only thing that will work decently, but you might potentially damage your CPU. People with no GPU usually have old CPU's, so delay will be high too. Not worth it.

Minimum:

• Intel Core i5-4690K or AMD FX-6300.

Recommended:

• Intel Core i5-10400F or AMD Ryzen 5 1600X.

Read the Tutorial HERE

Read the tutorial HERE

• A VAC (Virtual Audio Cable) makes a fake audio device, used to re-route the audio of different programs.
• In Wokada Deiteris Fork context, it's used to get the output of Wokada Deiteris Fork as the input in other programs such as Discord.

• Run setup64, not 64a, after extracting the zip to a new folder

• After installing the VAC Lite, it changes your default audio system. Click Yes when it asks you to open the audio device settings (or press WIN+R, type "mmsys.cpl" if you closed it already), and change your Recording and Playback devices back to your usual devices. Same for communications device aswell (right click -> set as default communication device)

sudo apt-get update && sudo apt-get install -y portaudio19-dev

sudo yum install -y portaudio

sudo pacman -Syu portaudio

• Download based on your GPU. You don't know what GPU you have? Open Task Manager > Performance tab and check for your GPU0 and GPU1 names. Prioritize the Nvidia one if you have one, else use the other.

• The latest version as of December 7th 2024 is: nvidia-b2332 (click here to download)

• NVIDIA RTX-5000 series, the newest release of GPU's, require a separate download. You do not need it if you have an older GPU, follow the normal Nvidia link in that case. nvidia-5000-Series (click here to download)

• The latest version as of December 7th 2024 is: dml-b2332 (click here to download)

• First Make sure you have 7zip or WinRAR for extracting / unzipping.

• After the download, you extract the zip file. You open the folders until you see an exe application called MMVCServerSIO and run that.

• The latest version as of December 7th 2024 is: arm-b2332 (click here to download)

• The latest version as of December 7th 2024 is: macos-amd-b2332 (click here to download)

• Double click the voice-changer-macos-arm64-cpu.tar.gz file. The realtime voice changer will unpack and the MMVCServerSIO folder will appear.

• Open the extracted MMVCServerSIO folder.

• Double-click MMVCServerSIO to run the realtime voice changer.

Installation of CUDA Toolkit or AMD HIP SDK is NOT REQUIRED. All other necessary libraries are bundled with the application.

you need to download both these files:

https://github.com/deiteris/voice-changer/releases/download/b2332/voice-changer-linux-amd64-cuda.tar.gz.aa

https://github.com/deiteris/voice-changer/releases/download/b2332/voice-changer-linux-amd64-cuda.tar.gz.ab

you need to download all these files:

https://github.com/deiteris/voice-changer/releases/download/b2332/voice-changer-linux-amd64-rocm.tar.gz.aa

https://github.com/deiteris/voice-changer/releases/download/b2332/voice-changer-linux-amd64-rocm.tar.gz.ab

https://github.com/deiteris/voice-changer/releases/download/b2332/voice-changer-linux-amd64-rocm.tar.gz.ac

you need only this file:

https://github.com/deiteris/voice-changer/releases/download/b2332/voice-changer-linux-amd64-cpu.tar.gz

I'm not sure about the capabilities of UI tar archive extractors, but you can extract these archive parts with the following command that will merge them and extract: cat voice-changer-linux-amd64-cuda.tar.gz.* | tar xzf -, change cuda to rocm or cpu depending on your PC GPU.

After you extract the files using the command above, a new folder called MMVCServerSIO will appear.

• Open a Terminal and navigate into that folder:

  cd MMVCServerSIO

• You may need to make the application executable. Run this command just in case:

  chmod +x ./MMVCServerSIO

• Now, run the realtime voice changer:

  ./MMVCServerSIO

This is only for the people that have 2 PCs, and want to use 1 PC for Gaming, the other only for Wokada Deiteris Fork.

• Create a file named .env on the same folder where MMVCServerSIO.exe is located. Open it up with a notepad, copy paste the settings from the GitHub link.

• After that, you create another file with the file extension ending .bat, open it up with a notepad, copy paste what is needed in there again from the GitHub link.

• Now run the bat file. After it starts, you should be able to open the link. For example, if you specified HOST=192.168.0.1 and ALLOWED_ORIGINS='["https://192.168.0.1:18888"]'), you should be able to open https://192.168.0.1:18888 in your browser and use the realtime voice changer UI from other machines in your local network.

• Click on Edit on the small blue square located around the the top left side
• Pick any slot you want, click upload
• Only RVC models will work. If you have a gpt-sovits one or any other, they will not work.
• Select Type: RVC, then select file on the Model slot and upload your .pth file.
• No need for an Index file, but you can upload it. This controls the accent of the voice model

The Merge Lab allows you to combine multiple RVC V2 voice models (.pth Weights only, not indexs too) into a single, new hybrid model. This is useful for creating unique voices.

1. Open Merge Lab: Scroll down in the user interface and click on the Merge Lab button.

2. Select Model Type: From the Type dropdown menu, choose the type of models you wish to merge. Only models that share the same sample rate and type (e.g., "pyTorchRVCv2, 32000Hz, 768" which are all RVC v2 models with the 32kHz Sample Rate, or "pyTorchRVC, 40000Hz, 256" which are all RVC v1 models with the 40kHz Sample Rate) will be shown and can be merged together.

3. Adjust Weights: Use the sliders next to each model's name to set its "weight" (RVC models are PyTorch files, the .pth is the weight containing the voice) or influence in the merged model. The numbers (from 0 to 100) represent the percentage of each voice in the mix.

4. Merge and Download: Once you have set the desired proportions, click the Merge button. Your browser will automatically download the new, merged.pth model file, which you can rename to whatever you want.

If you wish to delete a model, you can overwrite the slot with a new model. If you insist on fully emptying a slot, head over to the model_dir folder, open the folder of the slot number you want to delete, and delete the model from that folder

On the realtime voice changer app wokada, you select:

• Input: Your microphone
• Output: Virtual Audio Cable
• Monitor (if you wish to hear the realtime voice changer on your headphones aswell): Your headphones

On discord and games, you select:

• Input: Virtual Audio Cable
• Output: Your headphones

Audio: CLIENT

• Uses MME (normal audio processed through windows. You use this automatically with every application)
• You can use the boxes echo, sup1, sup2 using this

Audio: SERVER

• Use S.R. 48000
• I recommend using [Windows WASAPI] on all prefixes for less delay, because this uses your audio devices (e.g. microphone) directly, before processing through windows.
• Both Input and Output has to be the same (Windows WASAPI), you can't use MME for input and then Windows WASAPI for Output. You may also use ASIO.
• You can not use the in-built noise suppressions in this mode

ASIO > WASAPI > MME as a general thumbrule (this also affects delay)

Sometimes Client does not work, then use SERVER with prefix "MME" or "Windows WASAPI". You can not use the in-built noise suppression and echo fix if you use SERVER.

• PASSTHRU button: Sends your actual voice and not the realtime voice changer through the virtual audio cable. You want this to be GLOWING GREEN or GREY (grey for dark mode users) for the realtime voice changer to work.

• F0 det: Pitch extraction algorithm. Both RMVPE (for the best precision and robustness) and FCPE (for less precision & robustness but lower delay) are good options.

• Chunk: Controls the delay (lower number means less delay, but please check out the recommended settings for what your GPU is capable of).

• Extra: Controls voice model quality. 2.7s is the max, anything above is not worth it and can cause issues for no benefit.

• in: This raises the microphone volume before it goes into the realtime voice changer (Recommended to leave it on the default or if needed, not to go too high, else it increases background noise and makes the voice sound worse).

• OUT: Raising realtime voice changer volume on the output.

• MON: Increases volume of your headphones that you set on "mon" if you selected to hear yourself with the realtime voice changer.

• Pitch: This is the pitch. Going into negative will make it lower pitch, going higher will make it higher pitch. If you have a male voice using a female voice, aim for 10 - 14, this depends on your voice, try around those numbers until you find a sweet spot.

• Formant Shift: Alters harmonic frequencies and changes the voice timbre without affecting the pitch

• Index: This controls the accent of the voice model. In most cases, using Index on Realtime Voice Changer can add realism if you speak the language the model was trained in. If you have a heavy foreign accent, you may use this at a low rate. Beware, this increases CPU usage

• In. Sens: microphone threshold, increasing this will cause less background noise to get picked up if it's a problem

• Sup2: Noise suppression on your microphone.

• Sup1: Noise suppression but weaker, not recommended to use this at all, because it barely has any impact whilst reportedly, making the voice inconsistent

• Echo: if you experience echo issues despite having sup2, In. Sens to the right and having lowered your windows system value, then this will help you as a last resort

• Protocol: rest (Use SIO if you want less delay but if you encounter any issues with SIO switch back to rest. Rest has slightly more delay than SIO)
• Crossfade length: Controls how smoothly the AI stitches different processed parts "chunks" of your voice back together. 0.1 or 0.15 (0.1 for fastest voice, 0.15 for improved quality but increases delay by 50 ms)
• SilenceFront: Reduce GPU usage when idle. This only reduces GPU resources when you're not talking or making sounds
• Force FP32 mode: on (THIS IS OFF BY DEFAULT! Turning this on improves stability. Increases VRAM usage by 200 MB)
• Disable JIT compilation: off for faster loading speed of the program, on for slightly better performance (10-15 ms) for Nvidia only)
• Convert to ONNX: Reduces delay and slightly reduces gpu usage. Enabling this increases CPU usage by around 5-10%. Reduces the quality of the voice a bit. If you decide to enable this, pair it with rmvpe_onnx for even less delay
• Protect: Reduces the occurrence of robotic sibilants and robotic breathing, but also reduces the effect of the index file. Lower values increase this protection, higher values decrease it. The default value is 0.5, which means that the protection is disabled, reduce this value to 0.33 to enable it

First start with 500 ms, check what number your perf is and go closer to that number but not lower.

Example: if your perf is 200, go down to 250 with your chunk. Chunk affects perf value, and Extra as well.

If your perf value is green, your selected chunk is stable. You can experiment and go down in chunk for less delay, or increase extra for more quality (would not recommend to go above 2.7s extra. Anything above uses more resource for no clear benefit).

If your perf value is yellow, your selected chunk is enough, but audio may be unstable if you run other processes at the same time. Operation in this range will also incur high GPU usage. Increasing Chunk size or reducing Extra is recommended.

If your perf value is red, the realtime voice changer is unstable. Increase chunk size or reduce Extra.

This first step is mandatory for both methods. You must select the same sample rate for your microphone and the virtual audio cable before proceeding.

1. Navigate to the Recording tab, right-click on your microphone, and select Properties.
2. Go to the last tab, Advanced, and set the sample rate to 48000 Hz.
3. Ensure both options for Exclusive Mode are activated.

4. Now, go to the Playback tab. Right-click on your virtual audio cable (e.g., Line 1) and go to Properties.
5. In the Advanced tab, adjust the sample rate to match your microphone: 48000 Hz.

With the sample rates matched, you can now proceed to configure either WASAPI or ASIO.

What does WASAPI do?

WASAPI accesses your audio devices directly, while the driver that you use by default (which is "MME") goes through multiple layers within the Windows audio subsystem, causing more delay. This will in total cut down 50-80ms delay.

# Enable WASAPI

Assuming you completed the prerequisite step, you can now select the correct inputs and outputs in the voice changer as follows:

• AUDIO: SERVER
• S.R.: Match the sample rate you chose above, which should be 48000.
• Input: [WINDOWS WASAPI] Your Microphone
• Output: [WINDOWS WASAPI] Your Virtual Audio Cable (e.g., Line 1)

You cannot use the noise suppression (sup1, sup2) or echo functions in SERVER mode.

Then, on your game or Discord, you select:

• Input: Your Virtual Audio Cable (e.g., Line 1 Output)
• Output: Your Headphones/Speakers

# Common Errors

sounddevice.PortAudioError: Error opening Stream: Invalid sample rate [PaErrorCode -9997]

You did not match the sample rate of your virtual audio cable to your microphone. Return to the prerequisite step and ensure both are set to the same value (48000 Hz).

I would recommend using WASAPI first if you are a normal user, as ASIO is more complex to set up.

What does ASIO do?

Like WASAPI, ASIO accesses your audio devices directly, bypassing multiple layers within the Windows audio subsystem that "MME" (the default driver) has to go through. It has a lower algorithmic delay and can reduce total delay by 50-80ms.

# Step 1: Download and Install FlexASIO

• Download and run the installer from here: FlexASIO Download

# Step 2: Download and Install FlexASIO GUI

• First, you need the .NET Desktop runtime. Download and install it from here: .NET 6.x Desktop runtime
• Afterwards, download and install the FlexASIO GUI: FlexASIO GUI Download

# Step 3: Configuring FlexASIO GUI

Run FlexASIO GUI. If it doesn't open, you missed installing the .NET runtime from the previous step. Copy the following settings:

• Backend: Windows WASAPI
• Buffer Size: ✅ Set to 256
• Input Device: Select your Microphone.
• Output Device: Select your Virtual Audio Cable (e.g., Line 1).
• Latency: ✅ Set Input Latency: 0.2 ; ✅ Set Output Latency: 0.2
• Output: ✅ Set: ; ✅ AutoConvert

Latency Explanation

Having the input latency at 0.0 can make your microphone crackle. Using 0.1 often works fine. If you experience crackles, experiment with this value (e.g., 0.12, 0.15) until it stops. The lower you can go, the better. If you don't want to experiment, you can keep it at 0.2.

Click SAVE TO DEFAULT FLEXASIO.TOML. Do not forget this step. You can close the GUI afterwards.

# Step 4: Setting it up on the voice changer

The Deiteris Fork works with ASIO, while some older versions of the original w-okada do not.

In the voice changer app:

• Select AUDIO: Server
• Select S.R.: 48000
• Select the input and output from ASIO. You can select "ALL" in the first column to filter for ASIO devices to make it easier.

Then, on your game or Discord, you select:

• Input: Your Virtual Audio Cable (e.g., Line 1 Output)
• Output: Your Headphones/Speakers

# Common Errors

sounddevice.PortAudioError: Error opening Stream: Invalid sample rate [PaErrorCode -9997]

You did not match the sample rate of your virtual audio cable to your microphone. Return to the prerequisite step and ensure both are set to 48000 Hz.

• You will need to connect your account to weights.com to be able to download these models
  • Click on the 3 dots (...) on weights.com models, then Download model. You will need an account

Female:

Gawr Gura: Hugging Face Link / Weights Link

Male:

Bob Ross voice made by dieseldog34

Markiplier voice made by hobqueer

After you start the program for the first time and it finished downloading files, but you have slow/unstable internet connection it might say Failed to download or verify: ... followed by "Press Enter to continue" at the end, then the pretrain download failed. To fix it, you can either:

Open Task Manager > Details

Right click audiodg.exe and set priority to High

Right click audiodg.exe again > set affinity > uncheck everything except CPU 2 (only ✅ CPU 2, turn off the rest)

With a program called ProcessLasso you can automate this to always be active, since Windows resets these sometimes. Or you can open up CMD/Powershell (or make a bat file) and type in:

powershell "ForEach($PROCESS in GET-PROCESS audiodg) { $PROCESS.ProcessorAffinity=4; $PROCESS.PriorityClass='High' }"

Make sure to do the Crackle Fixes in this step before doing this to see if it fixes your issue

If the voice sounds fine in the app AND it sounds fine in games, but ONLY sounds weird on discord, then:

• Turn off Echo Cancellation
• Turn off Noise Suppression (sometimes causes issues, maybe not. Check for yourself)

Sometimes your GPU will start idling after the program is in the background for a while and affect performance.

• In the folder where w-okada is located there should be a .bat file called force_gpu_clocks.bat, run that and it should fix your gpu idling.
• Once you no longer want your gpu clock speed to be forced anymore you can run reset_gpu_clocks.bat.

Because it uses a Web User Interface (WebUI) coded in JavaScript & TypeScript, the majority of (Open Source) AI programs are designed to run on the browser (even tho usually using things like Gradio) since it can be used both on cloud and locally. The original wokada also ran on a WebUI, just that it made it's own window

It's better you try and test, some people had issues on Chrome, some others on Firefox, it might depend on the settings you use and also Java/Type Script having issues. The browser that usually is reported by most people to have issues is OperaGX, which is why we don't suggest it much

YouTube Tutorials take way more time to make, and get outdated easily in this case, as AI progresses fast and continues to change in better, with more different settings and versions. Written guides are easier to update, since you don't have to remake an entire video. It's unknown if we will ever release a video since they easily get outdated, but if we will, it will be linked inside of this guide.

We had a conversation about this in https://discord.com/channels/1159260121998827560/1159290161683767298/1352325982689951765 & https://discord.com/channels/1159260121998827560/1159290161683767298/1356265862704926907, RVC works by downsampling your audio voice to 16khz because f0 estimators only works at that sample rate, after that the model outputs the results using it's original sample rate (without any upscaling). So there won't be the need of having a super extremely expensive, a decent one should do the job.

RVC Voice Models need to be trained on something, so the models themselves can't be unique, but you can use the Merge Lab to create a new unique merged model.