The Vienna 4x22 Piano Corpus
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In January and February 1999, 22 professional pianists from Vienna performed four excerpts from the Classic-Romantic repertoire by Wolfgang Amadeus Mozart, Franz Schubert, and Frédéric Chopin on a SE290 computer-controlled Imperial piano by the Viennese piano manufacturer Bösendorfer. The pianists were advanced performance students and professors from the University of Music and Performing Arts Vienna. They were given the scores several days ahead of the recording session to allow to prepare their performances. The recording took place in an approximately 6-by-6-meters studio at the Bösendorfer piano company (Graf-Starhemberg-Straße 14, 1040 Vienna, building demolished in 2012). After a familiarization phase with the piano, the pianists were asked to perform complete takes of each of the four excerpts until they were satisfied with a final version. The four piece excerpts were: bars 1–21 from Chopin's Etude in E major Op. 10, No. 3 ; bars 1–45 from Chopin's Ballade in F major Op. 38; Schubert's Deutscher Tanz in f minor D.783 No. 15; and bars 1–18 from Mozart's Sonata in A major K.331, first movement. The performance was recorded by the SE290 system in its proprietary and encrypted format, resulting in a file triplet (.KB, .LP, .SP) which was converted to a standard MIDI format using Bösendorfer's own SE software. The sound of the imperial grand piano was recorded onto digital audio tape (DAT) by a portable Tascam DA-P1 recorder using two AKG CK91 microphones placed in ORTF stereo technique towards the open lid of the piano. The MIDI files were converted to text and subsequently matched to the symbolic scores, resulting in match files, a text-based format created by Gerhard Widmer et al in 1998. More details about the recording and matching procedures can be found in Goebl (1999). URL: http://iwk.mdw.ac.at/goebl/papers/Goebl1999-Diplomarbeit.pdf (retrieved 30/Jan/2017).
1999年1月至2月，22名来自维也纳的职业钢琴演奏者，使用维也纳钢琴制造商博森多弗（Bösendorfer）出品的SE290电脑控制帝王钢琴，演奏了沃尔夫冈·阿玛多伊斯·莫扎特、弗朗茨·舒伯特与弗雷德里克·肖邦的古典-浪漫主义曲目片段共四段。这些演奏者均为维也纳音乐与表演艺术大学的高级演奏专业学生与教授，他们提前数日拿到乐谱以完成演奏准备。录制工作在博森多弗钢琴公司一处约6×6米的录音棚内完成（地址：Graf-Starhemberg-Straße 14, 1040维也纳，该建筑于2012年拆除）。 在完成钢琴熟悉阶段后，演奏者需完整演奏每段曲目片段的多遍录音，直至对最终版本满意。四段曲目片段分别为：肖邦E大调练习曲作品10第3号的1-21小节；肖邦F大调叙事曲作品38的1-45小节；舒伯特f小调德国舞曲D.783第15号；莫扎特A大调奏鸣曲K.331第一乐章的1-18小节。 此次演奏由SE290系统以其专有加密格式录制，生成一组三个文件（.KB、.LP、.SP），后续通过博森多弗自研的SE软件转换为标准MIDI（音乐设备数字接口）格式。帝王三角钢琴的音色由便携式Tascam DA-P1数字音频磁带（DAT）录音机录制，采用两支AKG CK91麦克风，以ORTF立体声拾音制式摆放在钢琴开盖处。随后将MIDI文件转换为文本格式，并与符号化乐谱进行匹配，生成匹配文件——该文本格式由格哈德·维德默（Gerhard Widmer）等人于1998年创制。 有关录制与匹配流程的更多细节可参阅戈布尔（Goebl）1999年的研究。相关链接：http://iwk.mdw.ac.at/goebl/papers/Goebl1999-Diplomarbeit.pdf（2017年1月30日检索）。
