How NoteLLM Supports 4 Languages for Voice Notes

Built for a Multilingual World

Most voice note apps work well in English and struggle with everything else. NoteLLM takes a different approach by offering first-class support for four languages: English, Chinese, Japanese, and Korean.

Why These Four Languages

English, Chinese, Japanese, and Korean represent a massive share of global smartphone users. More importantly, these languages have very different phonetic structures, writing systems, and grammar rules. Supporting all four well requires dedicated engineering rather than a one-size-fits-all approach.

How It Works

When you start a recording in NoteLLM, the app uses the language you have selected in settings to apply the correct recognition model. Each language has its own optimized pipeline, whether you are using local or cloud recognition.

• English: Handles various accents including American, British, Australian, and Indian English. Punctuation is inserted automatically.
• Chinese (Mandarin): Supports Simplified Chinese output with proper character selection and tone-aware recognition. Common homophones are handled through contextual analysis.
• Japanese: Manages the complexity of kanji, hiragana, and katakana. The recognizer picks the appropriate script based on context.
• Korean: Handles Hangul syllable blocks and spacing rules correctly, which many generic speech engines get wrong.

Practical Tips for Better Results

Speak naturally. The recognition models are trained on natural speech, not dictation-style word-by-word input. Talking at your normal pace actually produces better results.

Choose the right language before recording. Switching languages mid-recording is not supported because the underlying model needs to know the target language upfront to deliver accurate results.

Use cloud mode for mixed-language content. If your speech occasionally includes English words in an otherwise Chinese or Japanese conversation, cloud recognition handles code-switching better than local mode.

Language and Privacy

An important detail: when using local recognition, all processing happens on your device regardless of the language. Your Chinese, Japanese, or Korean audio is never sent anywhere. This is especially relevant for users in regions with strict data residency requirements.

What About Other Languages

NoteLLM currently focuses on these four languages to ensure each one works exceptionally well. Expanding language support is on the roadmap, but the priority is depth over breadth. A language will not be added until it meets the same quality bar as the existing four.

Getting Started

To change your recognition language, go to Settings and select your preferred language. The change takes effect immediately for your next recording. No downloads or additional configuration are needed since all four language models ship with the app's compact 12.8 MB install.