With the rapid advancement of artificial intelligence, video translation and dubbing software are becoming increasingly common. Leveraging AI speech recognition and AI translation technologies significantly enhances the efficiency and quality of multilingual video content production.

However, facing a plethora of channel options, one might feel overwhelmed and uncertain about which options best suit their needs. To help users navigate these technologies more easily, this article aims to provide clear guidance.

This article compiles various translation, dubbing, and speech recognition channels, categorized into free and paid options.

It also recommends optimal pairings based on the usage environment (e.g., whether or not a VPN is used), ensuring you can find suitable tools in different situations.

Completely Free Solutions

Translation Channels

• No VPN, No Proxy

  • Preferred: Compatible AI and Local Large Models as the translation channel. It's recommended to apply for free accounts from "Moonlight Shadow," "Deep Exploration," "ZhiPu AI," "Baichuan Intelligent," etc., and apply for SKs to fill in the "Compatible AI and Local Large Models" in the translation settings. Second choice: Microsoft Translate.

• With VPN and Proxy

  • Preferred: Gemini. Second choice: Compatible AI and Local Large Models. Third choice: Google Translate and Microsoft Translate.

Dubbing Channels

• Preferred: "edge-TTS," free and requires no setup, supports all languages.
• When the target language is Chinese, preferred: "GPT-SoVITS," "F5-TTS," "CosyVoice," and other dubbing channels.
• When the target language is another language, preferred: "edge-TTS."

Speech Recognition Channels

• When the video language is Chinese

  • Preferred: "zh_recogn Chinese Recognition," which is the Alibaba FunASR series Chinese model, offering better performance than Whisper but requiring the additional deployment of the zh_recogn project.
  • Second choice: faster-whisper or openai-whisper (local), model selection "large-v2," speech segmentation mode "overall recognition," and check "Chinese Re-segmentation."
  • For Chinese, Japanese, and Korean single-line characters, the default is to split every 20 characters into one subtitle; this can be modified as needed.

• When the video language is English or other languages

  • Preferred: faster-whisper or openai-whisper (local), model selection "large-v2" or "large-v3-turbo," speech segmentation mode "overall recognition."
  • Second choice: Deepgram.com, offering a $200 free credit.

Note: Gemini is not available in all countries. If it prompts that the current country is not supported, please switch the VPN node, recommending selecting Singapore or Japan. Alternatively, choose Google Translate.

Purely Paid Solutions

If pursuing higher translation quality, you can choose third-party paid APIs.

Translation Channels

• OpenAI ChatGPT (4 series models), Gemini, 302.AI, Domestic AI (such as Moonlight Shadow, Deep Exploration, ZhiPu AI, Baichuan Intelligent).

Dubbing Channels

• AzureTTS, ByteDance Volcano Speech Synthesis, Elevenlabs.io, OpenAI-TTS.

Speech Recognition Channels

• For Chinese videos, preferred: ByteDance Volcano Subtitle Generation.
• For other language videos, recommended: faster-whisper or openai-whisper (local) and Deepgram.com.

Best Combination Without Using a VPN

• Translation Channel: Domestic AI (such as Moonlight Shadow, Deep Exploration, ZhiPu AI, Baichuan Intelligent), Microsoft Translate.
• Dubbing Channel: AzureTTS, edge-TTS, GPT-SoVITS, F5-TTS, CosyVoice.
• Speech Recognition: faster-whisper or openai-whisper (local), model selection "large-v2" or "large-v3-turbo," speech segmentation mode "overall recognition," and check "Chinese Re-segmentation."

Best Combination Without Restriction on Fees/VPN

• Translation Channel: OpenAI ChatGPT-4 series models, Gemini, Domestic AI, Google Translate, Microsoft Translate.
• Dubbing Channel: AzureTTS/edge-TTS, ByteDance Volcano Speech Synthesis, Elevenlabs.io, OpenAI-TTS, GPT-SoVITS, F5-TTS, CosyVoice.
• Speech Recognition: faster-whisper or openai-whisper (local) / ByteDance Volcano Subtitle Generation.

Easiest and Simplest Combination (No Proxy, No Configuration Required)

• Translation Channel: Microsoft Translate (If you have a VPN and know how to use it, Google Translate is optional).
• Dubbing Channel: edge-TTS.
• Speech Recognition: faster-whisper (local) / medium model.

Best Speech Recognition Channel for Chinese-Speaking Videos

• ByteDance Volcano Subtitle Generation
• zh_recogn Chinese Recognition
• SenseVoice
• faster-whisper (local, large-v2/large-v3-turbo model)
• openai-whisper (local, large-v2/large-v3-turbo model)

Best Speech Recognition Channels for Videos Spoken in Other Languages

• faster-whisper
• openai-whisper (local, large-v2/large-v3-turbo model)
• Deepgram.com.

Best Translation Channel Performance

1. OpenAI ChatGPT-4 series models
2. Domestic AI Translation
3. Google/DeepL
4. Microsoft Translate / Tencent Translate / Baidu Translate