如何在Swift Playground中将文本转换为OSX的语音 [英] How to convert text to speech for OSX in Swift playground

问题描述

我正在尝试学习如何在Swift中为OSX(非 iOS)执行文本到语音转换.我有一个带有代码的游乐场:

I'm trying to learn how to do text to speech for OSX (not iOS) in Swift. I have a playground with code:

import Cocoa

let synth = NSSpeechSynthesizer()
synth.startSpeaking( "Hello World" )

似乎正在运行，但是没有声音.在Xcode中，左下角有一个蓝色的小三角形，我按此按钮可能会起作用，但可惜没有:

Which seems to run, but no sound occurs. In Xcode, there is a little blue triangle in the lower left corner, which I press thinking it might do something, but sadly no:

有什么想法如何在Swift操场上将文本转换为OSX的语音?预先感谢！

Any ideas how to convert text to speech for OSX in a Swift playground? Thanks in advance!

推荐答案

NSSpeechSynthesizer的.startSpeaking需要在后台任务中执行，但是默认情况下在操场上是不可能的.

NSSpeechSynthesizer's .startSpeaking needs to execute in a background task, but by default this is not possible in a Playground.

您可以通过导入PlaygroundSupport并设置异步模式来启用它，如下所示:

You can enable it by importing PlaygroundSupport and setting asynchronous mode, like this:

import PlaygroundSupport
PlaygroundPage.current.needsIndefiniteExecution = true

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