請問大家一下
大家同步到itunes的音樂是那種比較小呢？
itunes可以用的格式中夠有哪些利弊呢？
謝謝！
This would also maximize your iPod’s battery life.
If you require higher sound quality, you May dial that bitrate up a bit more.
I usually use 192kbps AAC.
For music that you want to preserve its full quality, Apple Lossless is your best choice.
It’s smaller than WAV and with Tags support.
AAC is very widely supported nowadays.
However, if you really do wish to retain maximize compatibility on various devices, you May select the MP3 encoder of iTunes.
I recommend 160kbps as baseline and 192kbps as better selection for iTunes’ MP3 encoder.
you ssaid that the ACC is well compatible among the devices,
how about in comparison with mp3?
as I know that mp3 is supported with many ported devices but not ACC (coorect me if I was wrong)
ACC, mp3, wav and apple losses (and maybe more ?)
what wiil be the smallest in size if all converted form a same song?
how about the quality?
chers!
Most well known brand-name’s Portable Music Player, including Microsoft Zune supports AAC audio.
Music Phones from Nokia and SonyEricsson are all able to playback AAC audio.
However, some older device, such as MP3 Discman would support MP3 only but not AAC. Some new electronic dictionaries is able to playback MP3 but not AAC.
For your question about Quality and Size, here is how it works.
AAC and MP3 are both lossy encoding method, that means it will lose some of the details of the music while significantly compressed the size of the music.
Each minute of song that is encoded by 128kbps AAC or MP3 usually takes about 1mb of space.
WAV is used to hold uncompressed audio. When you convert a song from a CD or other sources, the quality is full preserved as no compression is done on it.
However, as it is not compressed, the file size is extremely large. 1 minute of uncompressed audio usually takes 10mb of space.
Apple Lossless is a format that does lossless data compression of digital music. That means it is able to compress the size of the music file yet still retain the full quality (Mathematically) of the source file.
Each minute of song that is encoded by Apple Lossless usually takes up from 4mb to 6mb depending on the kind of music.
Compare to MP3, AAC is a newer tech that provides better sound quality.
As it is able to provide better sound quality with a lower bit rate compare than MP3 requires, it saves storage space.
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