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发表于 2022-10-23 02:05:29
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本帖最后由 路易的欧罗巴 于 2022-10-22 19:22 编辑
第一道发射端到盒子,取决于airplay,目前airplay 2依旧是音乐16/44最高。16/48是视频音乐。
第二道取决于盒子内部转换输出到解码器,这也是为什么TV3输出的数码信号是16/48,主要用于视频。
那么非视频的纯音乐,是否输出是16/44的数码信号呢?
苹果官方论坛回复:
Answer:A:
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.
总结,纯音乐的话,应该是airport更出色,更简单,更直接。 |
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