Android TTS 支持语音合成标记语言吗？
将以下 SSML（语音合成标记语言）文档传递到 com.svox.pico TextToSpeech 引擎导致读取 XML 正文，但无法控制音素元素或强调元素。此结果（没有明显的 SSML 控制）在运行 Android 2.2 的 Nexus One 以及运行 SDK 级别 8 的 AVD 的模拟器上是相同的。
String text = "<?xml version=\"1.0\"?>" +
"<speak version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" " +
"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " +
"xsi:schemaLocation=\"http://www.w3.org/2001/10/synthesis " +
"http://www.w3.org/TR/speech-synthesis/synthesis.xsd\" " +
"xml:lang=\"en-US\">" +
"tomato " +
"<phoneme alphabet=\"ipa\" ph=\"t&#x259;mei&#x325;&#x27E;ou&#x325;\"> tomato </phoneme> " +
"That is a big car! " +
"That <emphasis> is </emphasis> a big car! " +
"That is a <emphasis> big </emphasis> car! " +
"That is a huge bank account! " +
"That <emphasis level=\"strong\"> is </emphasis> a huge bank account! " +
"That is a <emphasis level=\"strong\"> huge </emphasis> bank account!" +
"</speak>";
mTts.speak(text, TextToSpeech.QUEUE_ADD, null);
是否有任何 Android TTS 引擎支持任何 SSML 元素？
Passing the following SSML (Speech Synthesis Markup Language) document to the com.svox.pico TextToSpeech engine resulted in a reading of the XML body but no control from the phoneme element or the emphasis element. This result (no apparent SSML control) is the same on a Nexus One running Android 2.2 as well as on the emulator running an AVD with SDK level 8.
String text = "<?xml version=\"1.0\"?>" +
"<speak version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" " +
"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " +
"xsi:schemaLocation=\"http://www.w3.org/2001/10/synthesis " +
"http://www.w3.org/TR/speech-synthesis/synthesis.xsd\" " +
"xml:lang=\"en-US\">" +
"tomato " +
"<phoneme alphabet=\"ipa\" ph=\"təmei̥ɾou̥\"> tomato </phoneme> " +
"That is a big car! " +
"That <emphasis> is </emphasis> a big car! " +
"That is a <emphasis> big </emphasis> car! " +
"That is a huge bank account! " +
"That <emphasis level=\"strong\"> is </emphasis> a huge bank account! " +
"That is a <emphasis level=\"strong\"> huge </emphasis> bank account!" +
"</speak>";
mTts.speak(text, TextToSpeech.QUEUE_ADD, null);
Does any Android TTS engine support any of the SSML elements?
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评论（3）
我一直在尝试 SSML，似乎 TTS 引擎会使用根
例子：
I've been experimenting with SSML and it seems that the TTS engine wraps its input automaticly with the root
<speak>element, so if you leave it out, then it works fine and you don't get a parser error.Example:
答案似乎是“有点”。尚未支持所有 SSML 标记，但使用
所需的语音输出，它们还产生logcat 中的 XML 解析器错误消息。我已在 Android 问题跟踪器（问题 11010）上提出了有关这些看似不正确的错误消息的问题。
The answer seems to be "sort of". Not all the SSML tags are supported yet, but some test examples of the use of the
<phoneme>tag are at https://android.googlesource.com/platform/external/svox/+/89292811b7fe82e5c14fa13942779763627e26dbThough the test examples produce the desired speech output, they also produce XML parser error messages in logcat. I've opened an issue about these seemingly incorrect error messages at the Android issue tracker (issue 11010).
SDK 级别 23 的
android.speech.tts似乎确实支持 SSML 的子集。语音文本可以包裹在It does appear that
android.speech.ttsat SDK level 23 supports a subset of SSML. Speech text can be wrapped in<speak>tags, and<say-as>is observed, while<break>is not. There is no documentation regarding SSML support.