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Apple Music的古典广播,Classic FM,BBC Radio3是我听古典音乐的三大主力。
而只有AM提供了高码率,所以最近看到in220同学的帖子后也折腾了下。
先放结论,求指教求反驳。Airplay1,2都只能支持16bit 44kHz, Airplay2的升级在于多区播放,不在于音质升级。
我用了iPhoneX/iOS15.3,Airport Express A1392/固件7.8.1,S8解码,方/圆头光纤。
手机airplay推送到A1392,然后光纤输出至S8。
无论我把音频质量设置成无损还是高解析度无损,解码只显示44。
(因为我平时电脑上刷美剧就是96kHz声卡光纤输出至解码,所以排除光纤和解码的问题)
https://discussions.apple.com/thread/252848734
AirPlay (1 and 2) is capable of ALAC (lossless) streaming up to 44.1 kHz (48 kHz for video contents).
Hi-res lossless (over 48 kHz) isn't supported via AirPlay as a protocol, regardless of Apple Music.
That said, Apple Music in its lossless form streamed via AirPlay isn't only limited to 44.1 kHz (as expected like said before): unfortunately it's turned into a lossy (AAC) stream. It has been confirmed from various sources. Don't ask me why.
在这个回答里提到的48kHz用于视频我也没试出来,不知道是不是要Apple TV才行。
而且他提到Airplay会把AM的无损格式ALAC转成有损的AAC,这点无法验证也无法证伪。
设置成AAC,解码上也显示44,感觉音质差点儿。但是我自己调整音质在先,无法排除脑放因素。
在提问下面其他所有的回答里全都是只能到44kHz。
看来要等Airplay3了。
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