php百度语音合成SDK的使用？

Question

如题，使用php百度语音合成SDK返回的数据是音频二进制，直接return或echo出来的是二进制，然后问题是我需要返回信息给前端，我该如何操作呢？转码或者其他什么方法呢？官方文档是下载MP3文件，然后返回文件路径给前端。但是问题是项目是大数据量操作，如果生成mp3文件内存空间不够用！

Answer 1

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Answer 2

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Answer 3

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Answer 4

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Answer 5

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Answer 6

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