First, we define the structure for our metadata.
from dataclasses import dataclass, field from typing import List, Optional@dataclass class ChapterInfo: start_time: float # in seconds end_time: float # in seconds title: str
@dataclass class AudiobookMetadata: title: str author: str narrator: str asin: str series: Optional[str] = None series_number: Optional[int] = None cover_url: str = "" chapters: List[ChapterInfo] = field(default_factory=list) synopsis: str = ""
Unlike standard music CD rippers (which treat tracks as individual songs), this tool is optimized for the unique structure of audiobooks.
The “sacd” substring strongly points to Super Audio CD – a niche physical audio format. The open-source tool sacd_extract (developed by Mr. Wicked and others) rips SACD ISO images to DSF/DSDIFF files for personal backups of discs you own.
Combine “Scarlet Book” – a term used in SACD authoring (Scarlet Book refers to the SACD specification) – and you get Scarlet Book SACD Extractor. This might be a real tool, but “scarletbooksacdextractor full” (with an extra ‘s’) is likely a bot-generated or SEO-spam keyword. scarletbooksacdextractor full
If you actually want to rip SACDs:
The keyword breaks down into three parts:
If you meant “SACD extractor” (common for audio enthusiasts), legitimate tools like sacd_extract (open-source) exist. But the “scarletbooks” prefix changes the context entirely—likely shifting toward e-book DRM removal or learning management system (LMS) content scraping. First, we define the structure for our metadata
Audiobooks are often 10+ hours long. The tool likely features:
Currently, extracting audiobooks often results in: