{ "openapi": "3.0.1", "info": { "title": "Speech-to-Text Converter", "description": "Introducing the Speech-to-Text Converter — Apify Actor! Transform your audio into text effortlessly with our powerful, serverless multi-engine transcription solution on Apify. 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Supported formats: WAV, MP3, FLAC, OGG, M4A, AAC, MP4, MKV, AVI, MOV, WEBM." }, "language": { "title": "Language", "enum": [ "", "en", "es", "fr", "de", "it", "pt", "zh", "ja", "ko", "ar", "hi", "ru", "tr", "ur", "nl", "pl", "sv", "da", "fi", "no", "el", "cs", "ro", "hu", "th", "vi", "id", "ms", "uk", "bg", "hr", "sk", "sl", "sr", "he", "bn", "ta", "te", "ml", "kn", "mr", "gu", "pa", "sw", "af", "fil" ], "type": "string", "description": "Language of the audio. Leave empty for auto-detection (Whisper only).", "default": "en" }, "whisper_model": { "title": "Whisper Model Size", "enum": [ "tiny", "base", "small", "medium", "large" ], "type": "string", "description": "Model size for Whisper Local engine. Larger = more accurate but slower and more memory.", "default": "small" }, "openai_api_key": { "title": "OpenAI API Key", "type": "string", "description": "Your OpenAI API key. Required only for the Whisper API engine." }, "output_format": { "title": "Output Format", "enum": [ "txt", "srt", "vtt", "json" ], "type": "string", "description": "Format of the transcription output file.", "default": "txt" }, "max_file_size_mb": { "title": "Max File Size (MB)", "minimum": 1, "maximum": 2000, "type": "integer", "description": "Maximum allowed file size in MB. Files larger than this will be rejected. Default: 500 MB.", "default": 500 }, "google_chunk_seconds": { "title": "Google Chunk Duration (seconds)", "minimum": 10, "maximum": 59, "type": "integer", "description": "Google Speech has a ~60s limit per request. Audio is split into chunks of this duration. 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