文本到语音 (TTS)^{(Text-to-speech (TTS))}应用程序将数字文本转换为口语。这种能力使残障用户能够有效地阅读内容。幸运的是，随着技术的快速进步，几乎所有数字设备都有数十种 TTS 工具可用^{(dozens TTS tools available)}。然而，争论的是，它们中的哪一个是最好的。好吧，从表面上看，它们中的大多数只能提供听到所写文本的能力，但^(Well)TTS可以带来更多好处。例如，增强句子校正的能力、正确的单词发音以及即使在离线时也能工作的能力。TTSFox是Firefox 浏览器^{(Firefox browser)}的新插件，即使机器离线也能正常工作。

火狐浏览器的 TTSFox

TTSFox是一个新的Firefox附加组件，它允许用户听到他突出显示的任何文本内容。该插件是一个WebExtension，表明它将与浏览器的未来版本兼容。

当您第一次将扩展添加到Firefox时，一个图标会添加到地址栏旁边的空间中，如下面的屏幕截图所示。

现在，如果您在要读出其内容的网页上，请单击^(Click)工具栏图标和键入文本，然后单击“语音”按钮。

接下来，选择网页上的文本 > 单击鼠标右键 > 单击上下文菜单上的“语音”项 > 单击“语音”按钮。

当您确认操作时，将显示扩展程序的主界面。突出显示的文本会自动添加到相邻的文本字段中。左侧窗格列出了可用的语音引擎，以及 3 个滑块，

1. 修改音高
2. 改变速度
3. 调节音量

应用程序的默认语音取决于使用的操作系统。例如，运行Windows 10的操作系统的默认语音样本是Microsoft David 和 Microsoft Zira。第一个是男声，第二个是女声。

只需单击语音按钮即可开始朗读文本的操作。您可以通过单击“取消”选项随时暂停操作。

该插件比 Firefox 的Reader Mode效果更好。但是，每次使用扩展程序时都需要突出显示文本。另一方面，阅读器模式的工作方式不同。^{(Reader Mode)}一旦页面转换为可读性更好的副本，它会自动大声读出所有文本。所以，现在，您可以轻松地将电子书转换为有声读物，并在长距离驱动器上收听它们。

你可以从这里^{(here)(here.)}下载Firefox的^(Firefox)TTFox扩展。

相关阅读：^{(Related reads:)}

• 使用 Robot Talk 将文本转换为语音
• Balabolka 是一个便携式的免费文本到语音转换器^{(Balabolka is a portable free Text to Speech converter)}。

Convert Text to Speech Offline with TTFox Firefox browser extension

Text-to-speech (TTS) applications translate digital text into spoken word. This ability enables a user with a disability to read things effectively. Fortunately, with the rapid advances in technology, there are dozens TTS tools available for nearly every digital device. The debate however is, which of them is the best. Well, on the surface, most of them only offer the ability to hear the text that is written but there can be many more benefits stemming from TTS. For instance, the ability to enhance sentence correction, proper word pronunciation, and the ability to work even when offline. TTSFox is a new add-on for the Firefox browser that is designed to works even when the machine is offline.

TTSFox for Firefox Browser

TTSFox is a new Firefox add-on that allows a user to hear any textual content that he highlights. The add-on is a WebExtension, suggesting it will be compatible with future versions of the browser.

When you first add the extension to Firefox, an icon gets added to the space adjacent to the address bar as shown in the screenshot below.

Now, if you are on a web page whose contents you want to be read out, Click the toolbar icon and key-in text, then click “Speech” button.

Next, select the text on a web page > click mouse right button > click “Speech” item on context menu > click “Speech” button.

When you confirm the action, the main interface of the extension is displayed. The highlighted text is added in the adjacent text field automatically. The left pane lists the available speech engines, alongside 3 sliders,

1. Modify the pitch
2. Change speed
3. Adjust volume

The default voice for the app is dependent upon the operating system in use. For example, the default voice sample for operating systems running Windows 10 is Microsoft David and Microsoft Zira. The first is a male voice, the second a female voice.

A simple click on the speech button starts the operation of reading out text aloud. You can suspend the operation anytime by clicking ‘Cancel’ option.

The add-on works better than Firefox’s Reader Mode. However, you need to highlight text every time you use the extension. Reader Mode, on the other hand, works differently. It automatically reads out all text aloud once the page’s converted to a better readable copy. So, now, you can easily convert eBooks to audiobooks and listen to them on long drives.

You can download TTFox extension for Firefox from here.

Related reads:

• Convert text to speech with Robot Talk
• Balabolka is a portable free Text to Speech converter.

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