钢琴录音，转成可编辑 MIDI
15秒授权钢琴录音；结果文件含191个音符事件。可下载原音和MIDI，自行核对音高与节奏。 图中音符来自原结果，未手动修正；191不是准确率。不直接输出成品乐谱。
https://melumimi.com/zh-cn/midi-result-check
Source / attribution: MeluMimi authorized piano example. Original audio and uncorrected MIDI: linked case page. Visualization: actual MIDI note events.

听原曲，也听人声与伴奏
同一30秒音乐片段，展示实际人声与伴奏结果。对照试听，并下载原输入与输出WAV。 单个案例不能代表所有歌曲。检查漏音、残留和音色损失；原作者不为产品背书。
https://melumimi.com/zh-cn/stem-separation-real-test
Source / attribution: Source: Stumble Bee — Lay down the law, excerpt 00:30–01:00. CC0 1.0. https://freemusicarchive.org/music/stumble-bee/single/lay-down-the-law/ | https://creativecommons.org/publicdomain/zero/1.0/ . Waveforms derived from the existing public input and vocal/instrumental outputs. No artist endorsement.

讲话降噪，先听声音细节
同一30秒朗读，人工加入底噪后，比较标准与轻柔两种实际结果。保留原参考、输入和输出。 这是人工加噪测试，不是真实街头采访或质量排行榜。请检查残留噪声和人声损伤。
https://melumimi.com/zh-cn/audio-denoising-real-test
Source / attribution: Source: LibriSpeech © 2014 Vassil Panayotov, prepared with Daniel Povey. Reader: Nolan Fout, Ten Years Later, 11 - Night, recordings 6930-75918-0004–0007. CC BY 4.0. https://www.openslr.org/12/ | https://creativecommons.org/licenses/by/4.0/ . Existing example concatenates and excerpts the reading, resamples it, adds synthetic noise and hum, and denoises the input. These visualizations derive from that existing input and actual outputs; audio is not bundled. No reader or dataset-author endorsement.