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Instructions 		E3v4-cn
您将会听到三组共十五对音乐片段，这三组分别是古典、爵士以及摇滚音乐： 每一对音乐片段中，一个是真实的音乐录音（由一个艺术家演奏），一个是经过人工节奏改变后的音乐录音 （由另外一个艺术家演奏）。经过改变节奏的录音版本原本具有的具有另外的节奏。但它经过了我们的时间延展（或压缩）处理，所以它变得在节奏上与另外一个（真实的版本）非常的相似。您的任务就是分辨出那个是原来的版本，哪个是变奏后的版本。这也许是一个很大的挑战！:-)

You will be presented with fifteen pairs of audio fragments in three different repertoires (Classical, Jazz, and Rock): one being a real recording (by one artist), the other a manipulated tempo-transformed recording (by another artist). The tempo-transformed version was originally recorded at a different tempo, but it has been time-stretched (or time-compressed) to become close in tempo to the other performance of the pair. Your task is to decide which is which. This might be quite a challenge :-)

1) 请您在一个安静的屋子里或戴上耳机，一次听完一对音乐片段。

Listen to a pair of audio fragments once and in their entirety (in a quiet environment without distractions or with headphones).

2) 请注意演奏者对于音调的进行，速度的改变以及音乐表现力的展示。

Focus on the use of expressive timing by the performer, such as note asynchrony, tempo rubato and articulation.

3) 然后，您就可以针对每一组片段回答下面的四个问题了：哪一个是真实的（没有经过人工改变的）音乐记录，上面的片段还是下面的？

Then answer the four questions listed next to the excerpts, namely: Which is the real (i.e. not manipulated) recording, the 上面 or the 下面 excerpt? Are you sure? Do you recognize the composition? Do you like the music?

注意 N.B.: 全部的音乐片段都经过了某种处理，所以请您不要根据听到音乐的声音质量来做出判断，而应是关注表演者的音乐定时处理。
All fragments are processed in some way, so please ignore sound quality as a possible cue for deciding which is which: Just focus on the timing of the performer(s).
 
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爵士音乐部分
Jazz Repertoire 		哪一个是真实的（未经过变频处理的）音乐记录？ 你是否肯定？ 你是否知道这段乐曲？ 你是否喜欢这段音乐？

 
摇滚音乐部分
Rock Repertoire 		哪一个是真实的（未经过变频处理的）音乐记录？ 你是否肯定？ 你是否知道这段乐曲？ 你是否喜欢这段音乐？

 
古典音乐部分
Classical Repertoire 		哪一个是真实的（未经过变频处理的）音乐记录？ 你是否肯定？ 你是否知道这段乐曲？ 你是否喜欢这段音乐？

 
最后的问题
And finally
1)* 您是否愿意被邀请参加我们今后的在线实验？
Would you like to be invited for future on-line experiments?
2) 您有没有意见或建议？
Do you have any comments?
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(c)2006 UvA / ILLC / Music Cognition Group