I would like to see some recommendations regarding how I should keep my classical music collection in iTunes.

I cannot use FLAC because this will not work in iTunes or iOS.

I suppose I could use Apple Lossless, but how about using something smaller but with minimal quality loss.


The type of musical information that gets lost when encoding to a lossy format is actually quite dependent on the genre (or, more accurately, the type of sound being represented). Rock music and its variants tend to give more complex waveforms, having more harmonics due to the relative dominance of distorted or percussive sounds instead of the more "pure" sounds of classical music. When there aren't enough unused bits in the stream to allocate to representing this information, the encoder has to throw some of it away, and the results can sometimes sound pretty bad (Big example: cymbals).

Contrastingly, classical music tends to be much more complex dynamically; that is, on the amplitude spectrum rather than the frequency spectrum. You need a lot of bits to be able to represent the broad, expressive changes in dynamics that may be present, and sometimes this data cannot fully fit into the bitstream, and must be thrown away.

Also, classical music can lose some of its "crispness", because "crisp" sounds are harmonically rich data that sometimes gets thrown away from the lossy bitstream just like the cymbals in a rock recording, although the dynamic range loss is usually a more primary concern.

With all that being said, I am a believer in lossy formats when it comes to recreational music listening, but I think it is very much up to personal preference. I prefer to fill up media drives with five times as much musical content for the token loss in content than insist on always listening to a perfect representation. If I strain my ears I can sometimes here a difference between high quality MP3s (like 256, 320kbps) and a lossless version, but at high bitrates, it's never been an obstacle getting in the way of my enjoyment of the music. Think of an old, early audio recording that emotionally moves you. Your mind's ear can hear past the poor quality and discern the musical expression even through the fuzz, and these quality losses are much more severe than those of a high-bitrate modern lossy digital format.

So, I say professionally, always retain all the data you can and store your audio lossless, but when it comes to your own recreation, just go with a decent lossy format until you find that it's keeping you from enjoying the music itself. (And keep a lossless backup if you're worried, either the original physical media or some big hard drive).


In my opinion, any loss in classical music is not acceptable, especially when played on professional loudspeakers. Therefore, I converted all my FLAC and APE files to Apple Lossless (in MPEG-4 containers). To do this very easily, I used a program called Max which can cross-convert between almost any audio format. You can use that to play around with virtually any format you would ever dream of playing around with. :) If that is not satisfactory, please tell us why you are looking for an alternative to lossless.

Edit: I understand that the size of the files is the main drawback you are dealing with on lossless formats. Well, you could go for MP3 320kbps, which requires a very trained ear to be distinguished from the original master, or you can play around with several other codecs like MP4 or OGG. (I had pretty good results with OGG quite a few years back, things may have changed, and I am not sure whether iTunes/iOS plays them.)

To a great extent the ultimate answer is not going to be on this board, but from yourself. That is: use it if you think it sounds right. Be wary though, if you convert your entire collection into some format, you might well end up not liking what you hear after a few weeks or months.

If you plan on doing 'presonal research' on audio codecs, just play around with several formats. If you want to have your entire collection converted tomorrow, I would just stick with Apple Lossless.

  • 1
    Last I checked iTunes and iOS do not handle Ogg Vorbis natively. However, iTunes at least inherits its playback from Quicktime, so it's possible to install a Quicktime Vorbis codec and get playback (but not iOS sync). Mar 21 '11 at 19:25

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