多多扫描 vs SonusQuest

多多扫描是一款专业的手机文档扫描工具，帮助您随时随地将纸质文档数字化。 主要功能： - 文档扫描：智能边缘检测，自动裁剪矫正 - 文字识别（OCR）：提取图片中的文字，支持复制编辑 - 多页扫描：批量扫描多页文档，统一管理 - 图像增强：多种滤镜优化扫描效果 - PDF导出：一键生成PDF文件，方便分享 - 证件照制作：支持多种尺寸证件照 - 电子签名：在文档上添加手写签名 - 水印添加：自定义文字水印保护文档 - 文件夹管理：分类整理您的扫描文档 适用场景：合同、发票、证件、笔记、书籍、白板等各类文档的扫描和数字化处理。 使用条款（EULA）：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

SonusQuest: Turn your phone into a real-time in-ear monitor — it captures the sound around you, removes noise, boosts your voice, and plays it back through your earphones so you can hear yourself while live streaming. It can be used to practice pronunciation, reading aloud, singing, aiding memorization, DAF (Delayed Auditory Feedback) therapy for stuttering, and more. Some users with hearing loss use it as a hearing aid; we suggest such users treat this app as an introduction to hearing aids rather than a replacement for one. 1. Supports both wired earphones and Bluetooth earphones 2. Supports the phone's built-in microphone, wired earphone microphones, and lavalier (clip-on) microphones 3. Hearing protection: automatically lowers output power when a sudden loud sound is detected 4. Long-duration loop recording, with recordings automatically split into multiple files of a fixed length 5. Audio noise reduction based on traditional signal-processing algorithms — simple and practical, effectively filtering steady background noise 6. AI-powered intelligent noise reduction that efficiently filters irregular background noise, such as the clatter of keyboard typing, footsteps, knocking, the hum of robot vacuum cleaners, and more 7. On-demand audio delay control: supports delay settings from 1 to 30 seconds, as well as millisecond-level delay settings to help friends correcting stuttering 8. Automatic gain control, making sound steadier and easier to understand 9. 10-band audio equalizer so users can customize their preferred tone. A default EQ preset for speech is built in and can be reset with one tap