Since our application manages Speaker entities, we should build a custom authentication provider that uses Speaker data.

由于我们的应用程序管理 Speaker 实体，我们应当建立一个使用 Speaker 数据的自定义认证提供程序。

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For authentication, we will use Speaker email as the username and add a password field to the Speaker entity, which we will use as an authentication password.

对于认证，我们将使用Speaker email作为用户名，并为Speaker实体添加一个密码字段，它也将用作认证密码。

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Speaker Recognition is one of current researching hotspots of speech signal processing, which has many advantaged superiority at identity authentication field.

说话人识别是当前语音信号处理的研究热点之一，它应用在身份认证领域具有得天独厚的优势。

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