录音音频转 SRT 字幕 (微秒级时间戳精准对齐)

将语音录音按句切分并对齐精准时间轴，导出开箱即用的标准 SubRip (.srt) 字幕文件。 WebAssembly 100% 浏览器内完全本地处理，无需上传云端，音画质零损失。

Part of the Audio to Text Transcription suite. 100% in-browser private execution with zero cloud storage.

Client-Side Processing
100% In-Browser RAM
No upload
Zero Network Payload
No AI training
Zero Model Scraping
No server queue or size limited
No waiting
Media files stay local; diagnostics are separate. Your media file is processed in your browser and is not uploaded or sent to an AI service. If enabled, anonymous diagnostics may be sent, but they do not contain file contents.

Processing Architecture & Calibration

拖放音频生成带时间轴的 SRT 字幕 All media streams are isolated locally inside your device using hardware-accelerated WebAssembly (WASM) and WebCodecs. Zero bytes of audio or video content are ever transmitted to external cloud servers.

How It Works

  1. Drop your audio or video file directly into the browser dropzone.
  2. The client-side engine executes local inference or bit-exact extraction without upload delays.
  3. Audition the 15-second realtime A/B comparison with the Dry/Wet slider.
  4. Export your pristine clean master file with 100% original video track preservation.

常见问题解答

这款工具能做什么？
将语音录音按句切分并对齐精准时间轴，导出开箱即用的标准 SubRip (.srt) 字幕文件。
它基于什么引擎？
拖放音频生成带时间轴的 SRT 字幕
端侧 Whisper 语音转写是如何在不上传音频的前提下运行的？
基于 WebGPU 硬件加速直接在浏览器内加载运行 OpenAI Whisper 模型，结合本地 VAD 算法自动过滤空白杂音，无需云端中转。
可以导出哪些字幕和文稿格式？
支持一键导出带毫秒级高精度时间戳的 SRT 字幕文件、用于网页播放器的 WebVTT 格式以及格式整洁的纯文本文字稿。
会议录音与个人语音备忘录是否有泄密风险？
语音在浏览器本地处理，录音不会上传。匿名诊断数据根据您的隐私设置单独处理，且不包含录音内容。

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