If real-time voice conversion isn’t necessary for you, you can still use RVC1006 go-web.bat for non-real-time processing: upload a pre-recorded audio file and convert it afterward. Do not use older versions, as the latest release features the highly efficient rmvpe pitch extraction algorithm, which delivers far superior results at lower computational cost compared to previous methods.

The go-realtime-gui.bat is only for real time voice conversion, and the go-web.bat is for infer(convert) and training purpose. I see you mention missing go-web.bat? Maybe make your own and test if it works?

runtime\python.exe infer-web.py --pycmd runtime\python.exe --dml --port 7897
pause

As for VCClient, I used that once, but didn't get any better result compare to RVC one, so I haven't follow it's development.

If you really love the idea of real time voice change, I heard that DDSP might require less resource? I haven't tried this.
And maybe other proprietary software can yield a better result than RVC, but I mainly use RVC for making songs, So I just tried few and stopped. I suggest you DO NOT pay any money to any program that claim "support" RVC but run better, it just repacked RVC code inside I guess?

If you into voice clone, something like let a character read text for you, you can try IndexTTS

i've refered to at the end of this guide by the creator to use as a voice changer, they've provided two options for this: koemake & vc client/okada's voice changer

let's talk about koemake first, the creator mentioned that this is a free program in another guide that is actually light-weight (doesn't use lots of gpu resource) which is great for me. so i signed up their website to download the app and launch it. to my disappointment, despite saying it's free, i could not import any rvc model because it says that i need to buy their premium plan which is usd6, whats even worse is that it's a monthly subscription! would've preferred if it's a one-time payment... at the time of writing this, i just sent a dm to koemake's dev on twitter asking about this cause i'm really disappointed about it (will update about this).

secondly about okada's voice changer, i'm using vcclient_win_std_2.0.78-beta cause i don't have nvidia. unfortunately, the program works very poorly for me. i've increased the chunk even up to the biggest (5 sec) but it takes almost a min to convert and when it does, the result is very choppy and change the gpu to use cpu instead. learned later from someone else that even rtx 4080 may not work properly for this program which is honestly insane. for reference, i think my laptop is considered low end, its intel i5 and intel iris xe, so i concluded that its incompatible.

now about this rvc webui, i'm very confused on how to use this, i'm using RVC1006AMD_Intel which if im not wrong is the released ver of it. it only contains go-realtime-gui.bat, but the program keeps lagging and not responding at all. so i switched to one of the older beta version to use go-web.bat, only to end up confused on whats the purpose of it cause i thought its a web ver of go-realtime-gui.bat...

do you know any alternatives on using this, idk anything about rvc, all ik are apps like voicemod and voice.ai but i think they work differently...

use https://github.com/w-okada/voice-changer if you only want voice changing