但是由于有些说话人特征隐藏在较长的语音片段中，通过添加长时信息可能会进一步提高系统的性能。

However, since a. part of speaker characteristics is. hidden in longer speech segments, the performance may be further improved by adding this long -term information.

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他们发现语音信号通常都是低沉的，而音乐片段的音调范围却很广泛；二者都会随着时间的推移有不同的变化。

They found that speech signals are normally low-pitched and musical clips have a wide range of pitches; both vary only gradually over time.

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定义了一种语言，可用语音用 XML 文档中的片段。

[W3C Recommendation] defines a language that can be used to refer to fragments of an XML document.

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