FunASR Blog
2026-06-23Speech-to-Text with Word/Character-Level Timestamps in Python
FunASR Paraformer gives native character timestamps: every char has [start_ms, end_ms] in one call. Build word highlighting, click-to-seek, subtitle alignment. Real output + pairing code.
2026-06-23Punctuation Restoration in Python — Add Punctuation to Text / ASR Output
FunASR ct-punc: open-source bilingual (zh+en) punctuation restoration. 3 lines of Python to add ，。？ (and capitalize English), or attach to ASR in one line. Real output.
2026-06-22Chinese (Mandarin) Speech Recognition in Python — Fast & Accurate with FunASR
Purpose-built for Chinese: default flagship Fun-ASR-Nano (CER 8.06%), with SenseVoice (7.81%) / Paraformer (10.18%, timestamps/hotwords) for CPU — all far better than Whisper (~20%).
2026-06-22Self-Hosted Speech-to-Text — Free Alternative to Google / AWS / Azure Cloud Speech APIs
Open-source (MIT), local inference, no per-minute billing, audio stays on your network, strong Chinese, OpenAI-compatible (migrate via base_url). Runnable code + FunASR vs cloud comparison + cost analysis.
2026-06-22Voice Activity Detection in Python — Detect Speech, Remove Silence, Split Audio
FunASR fsmn-vad returns millisecond speech spans in 3 lines. Measured: a 13s clip split into 2 segments in 0.12s, 18% silence removed. Trim silence, split long audio, preprocess Whisper to cut hallucinations.
2026-06-22Japanese Speech Recognition in Python — SenseVoice: Transcription + Punctuation + Emotion in One Pass
Real side-by-side on one Japanese clip: SenseVoice writes 転売 correctly and adds punctuation; Whisper-small gives 天売 with none. Native ja support + auto language ID + emotion/events, 3 lines of Python.
2026-06-23Self-Hosted Deepgram / AssemblyAI Alternative
Open-source, free, self-hosted, audio stays local, Chinese-leading, with an OpenAI-compatible API — replace per-minute cloud STT by changing base_url.
2026-06-23Which FunASR Model? Nano vs MLT-Nano vs SenseVoice vs Paraformer
A decision table with code: flagship Nano for zh/en/ja plus Chinese dialects/accents, separate MLT-Nano for 31 languages, and CPU choices SenseVoice or Paraformer.
2026-06-22Lightweight Speech Recognition: Chinese ASR in ~250MB on CPU
One binary + a 254MB q8 model, no GPU/Python, 0.16s on CPU, 7.99% CER — smaller than whisper.cpp small and ~3x more accurate.
2026-06-21Cantonese Speech Recognition in Python — SenseVoice Keeps Real Cantonese (Whisper Doesn't)
Real side-by-side on one Cantonese clip: SenseVoice keeps 呢/唔/嘅, Whisper rewrites to Mandarin. Native yue support + auto language ID, 3 lines of Python.
2026-06-21FunASR vs faster-whisper: Chinese & Cantonese Compared
faster-whisper mislabels Cantonese as Mandarin + Japanese homophone errors; SenseVoice handles Cantonese natively, ~2.7x lower CER on Chinese.
2026-06-20FunASR on llama.cpp — a whisper.cpp Alternative for Chinese ASR (CPU, no Python)
One self-contained binary, built-in VAD, any audio — download and transcribe Chinese; ~2.7x more accurate than whisper.cpp on CPU.
2026-06-18Speech to Text in Python with FunASR
Transcribe audio in a few lines of Python — timestamps, speakers, batching. Local, free, no API key.
2026-06-18Auto-Generate Subtitles (SRT & VTT) from Audio or Video with FunASR
One command for SRT, Python for VTT too, with speaker labels and real timestamps. Local, free, strong on Chinese.
2026-06-18Self-Hosted OpenAI Whisper API Alternative with FunASR
funasr-server exposes an OpenAI-compatible /v1/audio/transcriptions; the OpenAI SDK works by changing only base_url. Local, free, private.
2026-06-18Transcribe Audio from the Command Line with FunASR
One command -> text/SRT/JSON, --spk for speakers; plus funasr-server for an OpenAI-compatible API.
2026-06-17Transcribe Long Audio with FunASR: Hours in One Call
Whisper caps at 30s; FunASR ingests any length via built-in VAD - 13 min in 4.3s (186x).
2026-06-17Real-Time Streaming Speech-to-Text with FunASR
~600ms low-latency streaming ASR with chunks + cache, plus the 2-pass (streaming + offline) best practice.
2026-06-17Beyond Transcription: Language, Emotion & Audio Events with SenseVoice
Transcription + language + emotion + audio events in one pass — the 4-in-1 Whisper cannot do.
2026-06-17Speaker Diarization with FunASR: Who Spoke When
Transcription + speaker labels + timestamps in one generate() call. A pyannote+Whisper alternative, no HF gated access.
2026-06-16FunASR vs Whisper: Real Chinese ASR Benchmark
Measured on 184 Chinese files (H100): SenseVoice 169.6x, 7.81% CER — full speed & accuracy data.
2026-06-16Fun-ASR-Nano Guide: 800M End-to-End ASR LLM
Flagship for zh/en/ja plus 7 Chinese dialect groups and 26 accents; choose MLT-Nano for 31 languages.
2026-06-16SenseVoice Deployment Guide: 15x Faster Than Whisper
Multilingual ASR in 3 lines, with language/emotion/event tags, VAD, GPU/CPU.
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