iOS的德precated音频格式 - AMR（自适应多速率） [英] iOS Deprecated Audio Format - AMR (Adaptive-Multi-Rate)

问题描述

所以，这是我一直在努力，当我试图加载我的旧的应用程序之一左右让我的头。

So this is something I've been trying to get my head around when I was trying to load one of my older apps.

有很多那里的人都要求在iOS中支持的音频格式的线程。而在大多有人评论说，对于AMR（自适应多速率）支持的iOS 4.3被放弃了。他们怎么知道呢？
支持的音频文件格式的iPhone

There's a lot of threads where people are asking for the supported audio formats in iOS. And in most of them someone comments that support for AMR (Adaptive-Multi-Rate) was dropped in iOS 4.3. How do they know this? Supported Audio file formats in iPhone

但我不能找到这个任何API的变化或任何在苹果官方单证。

But I cannot find ANY api changes or anything about this in Apples official documentations.

即4.2和4.3之间的比较：
https://developer.apple.com/library/ios/releasenotes/General/ iOS43APIDiffs /

i.e the diffs between 4.2 and 4.3: https://developer.apple.com/library/ios/releasenotes/General/iOS43APIDiffs/

我怎样才能得到实际的SOM文件说，这实际上发生了什么？

在这里的任何帮助将非常AP preciated！

Any help here would be much appreciated!

推荐答案

我曾经发现一个文件或官方声明最接近人的双 反应（需要登录）由Apple在老苹果开发者论坛员工，无论他说：

The closest I ever found to a document or official statement were two responses (login required) by an Apple Employee on the old Apple Developer Forums, both saying:

对于4.3的iOS不支持编码或解码AMR。结果
  如果你想AMR你必须把自己的德codeR。

As of 4.3 iOS does not support encoding or decoding AMR.
If you want AMR you'll have to put in your own decoder.

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