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arXiv 2107.06231cs.SDcs.LGeess.AS
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基于深度学习多头注意力模型的乐器音色分类

Timbre Classification of Musical Instruments with a Deep Learning Multi-Head Attention-Based Model

Universidad de Zaragoza(萨拉戈萨大学)

Carlos Hernandez-Olivan, Jose R. Beltran

摘要:

这项工作的目的是定义一个基于深度学习的模型,该模型能够用尽可能少的参数识别不同的乐器音色。为此,我们使用了具有不同力度的古典管弦乐器,这些乐器是少数乐器家族的一部分,并且在相同的音高范围内演奏音符。即使乐器以相同的强度演奏相同的音符,也可以通过音色来评估乐器分类的能力。所采用的网络使用多头注意力机制,具有8个头和在输出处的密集网络,其将声音样本的对数梅尔幅度谱图作为输入。该网络允许识别古典管弦乐队的20个乐器类别,实现了0.62的整体F $_1$值。的关注层的权重进行了分析,并提出了该模型的混淆矩阵,使我们能够评估所提出的架构区分音色的能力,并建立未来的工作应该集中的方面。

英文摘要:

The aim of this work is to define a model based on deep learning that is able to identify different instrument timbres with as few parameters as possible. For this purpose, we have worked with classical orchestral instruments played with different dynamics, which are part of a few instrument families and which play notes in the same pitch range. It has been possible to assess the ability to classify instruments by timbre even if the instruments are playing the same note with the same intensity. The network employed uses a multi-head attention mechanism, with 8 heads and a dense network at the output taking as input the log-mel magnitude spectrograms of the sound samples. This network allows the identification of 20 instrument classes of the classical orchestra, achieving an overall F$_1$ value of 0.62. An analysis of the weights of the attention layer has been performed and the confusion matrix of the model is presented, allowing us to assess the ability of the proposed architecture to distinguish timbre and to establish the aspects on which future work should focus.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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