Podcast to multilingual subtitles in one step

说明与用途

Apify 的音频转录器演员一次性将播客转换为多语言字幕，保持精确时间戳。

问题

Transcribing a podcast and generating accurate, timestamp‑aligned subtitles in multiple languages typically requires three separate steps: transcription, cue segmentation, and translation, which can break timings and merge cues.

结果

For a 4 min 57 s NASA podcast, the Actor produced 87 cues in English, Spanish, and Traditional Chinese with identical timestamps, in 75 s of processing time and $0.05 cost.

工作流

• Provide podcast RSS feed, episode filter, and list of target languages via JSON input
• Actor fetches episode audio, transcribes with Whisper large‑v3‑turbo
• Actor segments transcript into subtitle‑sized cues (≤7 s, ≤2 lines) using word timings
• Actor translates each cue into requested languages, preserving timestamps
• Actor outputs dataset row with transcript, segments, word timestamps, and SRT/VTT URLs for each language

证据

Every cue in the translated files has exactly the same timestamps as the English one.

来源

The run took 75 seconds for transcription and both translations (81 s for the whole run).

来源

Price: 5 audio minutes × $0.006 + 5 minutes × 2 languages × $0.002 = $0.05

来源