Ableton Live Intro Manuel d'instructions Page 41

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CHAPTER 5. MANAGING FILES AND SETS 39
5.2 Sample Files
A sample is a le that contains audio data. Live can play both uncompressed le formats
(WAV, AIF and Sound Designer II for Mac) and compressed le formats (MP3, AAC, Ogg
Vorbis, Ogg FLAC and FLAC).
A note on using Variable Bit Rate (VBR) les: Please install QuickTime for decoding purposes
if you do not already have it on your system. It can be downloaded from the Apple website
1
.
As Live plays the samples directly from disk, you can work with a large number of (large)
samples without running into RAM memory limitations. Please note, however, that you may
run into disk throughput problems if your disk is nearly full, and/or (on Windows systems)
highly fragmented. Hard drive rotation speed can also affect disk performance. Refer to
the section on managing the disk load for more information.
Live can combine uncompressed mono or stereo samples of any length, sample rate or bit
depth without prior conversion. To play a compressed sample, Live decodes the sample and
writes the result to a temporary, uncompressed sample le. This usually happens quickly
enough that you will be able to play the sample right away, without waiting for the decoding
process to nish.
Note: When adding a long sample to a project, Live might tell you that it cannot play the
sample before it has been analyzed. Please see the section on analysis for an explanation.
5.2.1 The Decoding and Web Cache
To save computational resources, Live keeps the decoded sample les of compressed sam-
ples in the cache. Maintenance of the cache is normally not required, as Live automatically
deletes older les to make room for those that are new. You can, however, impose limits
on the cache size using the File/Folder Preferences' Decoding & Web Cache section. The
cache will not grow larger than the Maximum Cache Size setting, and it will always leave the
Minimum Free Space on the hard disk. Pressing the nearby Cleanup button will delete all
les not being used by the current Live Set.
1
http://www.apple.com/quicktime/download
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Vikinin 04 Jan 2024 | 12:03:19

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