Prestosic — Support

Prestosic photographs or imports printed sheet music, recognizes it on your device (OMR), and plays it. Recognition and playback need no network; this page may load from a host (China site → Cloudflare Pages → here.now) with an offline fallback.

Contact us

Questions or suggestions? Email 35309459@qq.com. Please include your device model, system version and the Prestosic version (shown at the bottom of Settings & About).

FAQ

Is Prestosic free?

Yes. Prestosic is completely free, with no in-app purchases, subscriptions or ads.

Are my scores uploaded?

No. Recognition and playback run entirely on your device. The app does not collect score data. See the Privacy Policy.

How do I photograph a printed score?

On the home screen, tap the camera control, allow camera access if asked, keep the page flat and well lit, then capture. You can recognize immediately or edit (crop / rotate) first.

How do I import a photo or PDF?

Use “Choose from photos” or “Files” on the home screen. For multi-page PDFs, select up to 9 pages to recognize. Only the pages you select are processed.

How do I share a score from WeChat or another app?

In that app, open Share and choose Prestosic. The share extension copies the image or PDF into the on-device App Group inbox. Open Prestosic and the file is imported for recognition.

Camera permission denied?

Go to Settings › Privacy & Security › Camera › Prestosic and turn access on. You can still import from Photos or Files without the camera.

Does recognition need the internet?

No. The OMR model and synthesizer run on your phone. Opening Privacy Policy or Support in the app may load a hosted page; recognition and playback themselves do not need a network.

Can’t find Prestosic in the share sheet?

Tap Share, then “More” at the end of the app row and turn Prestosic on. After sharing, open Prestosic so the inbox file can be imported.

Playback, repeats, and export

After recognition, use Play to hear the score. “Play repeat signs” in Settings controls whether |: :| sections repeat. You can export MIDI from the result screen.

How do I change the language?

Open Settings & About and choose from 35 interface languages or “Follow system”.


「Prestosic」技术支持

Prestosic 用于拍摄或导入纸质乐谱,在本机识别(OMR)并演奏。识别与演奏不依赖网络;本页可能从托管站点加载(国内站 → Cloudflare Pages → here.now),打不开时使用随包离线页。

联系我们

有问题或建议请发邮件至 35309459@qq.com。请尽量写明设备型号、系统版本和 Prestosic 版本(在“设置与关于”页底部)。

常见问题

Prestosic 收费吗?

不收费。Prestosic 完全免费,没有 App 内购买、订阅,也没有广告。

乐谱会上传吗?

不会。识别与演奏全部在你的设备上完成,应用不收集乐谱数据。详见隐私政策。

怎样拍摄纸质乐谱?

在首页点拍照入口,如系统询问请允许相机权限;尽量拍平、光线均匀后拍摄。可直接识别,也可先裁剪 / 旋转再识别。

怎样导入照片或 PDF?

在首页使用“从相册选择”或“文件”。多页 PDF 可最多选择 9 页进行识别,只处理你选中的页面。

怎样从微信或其他 App 分享乐谱?

在该 App 中打开分享并选择 Prestosic。分享扩展会把图片或 PDF 复制到本机 App Group 收件箱;打开 Prestosic 后自动导入识别。

相机权限被拒绝?

请前往“设置 › 隐私与安全性 › 相机 › Prestosic”打开访问。即使没有相机权限,仍可从相册或“文件”导入。

识别需要联网吗?

不需要。识别模型与音色合成器都在手机本地运行。在应用内打开隐私政策或技术支持时,可能会联网加载托管页面;识别与演奏本身不需要网络。

在分享面板找不到 Prestosic?

点分享,在 App 图标一行最右边点“更多”,打开 Prestosic。分享完成后打开 Prestosic,以便导入收件箱中的文件。

演奏、反复记号与导出

识别完成后点播放即可试听。设置中的“演奏反复记号”控制是否演奏 |: :| 反复段落。可在结果页导出 MIDI。

怎样切换语言?

打开“设置与关于”,可在 35 种界面语言和“跟随系统”之间选择。