长播客转文字 (智能无声切片 · 流畅不卡顿)

支持 1~3 小时超长播客单集纯本地处理，智能切除静音分段，动态分块释放内存，彻底消灭浏览器假死崩溃。

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

拖放长音频播客离线转录完整文字 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？
支持 1~3 小时超长播客单集纯本地处理，智能切除静音分段，动态分块释放内存，彻底消灭浏览器假死崩溃。
它基于什么引擎？
拖放长音频播客离线转录完整文字
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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