Apple Logic Pro 7.1 Instrukcja Użytkownika

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Logic Pro 7.1 – Apple Loops (2005-0905) 1 of 23
Logic Pro 7.1
Personal Manual by Edgar Rothermich
<http://homepage.mac.com/edgarrothermich>
Apple Loops
Apple Loops are “tagged aiff audio files”
Tagged audio files
Tagged Audio Files
These are audio files (i.e. aiff, wav, mp3 etc) that have two data
sections. You can actually “see” the data if you open an audio file
with a text editor.
The majority of the data represents the digital audio
data. Every Application that supports that audio file
format (aiff, wav, mp3, etc), can read the file and
playback the audio.
The additional data section of the audio file is called
metadata or “tags”. Most of the tags are stored in the
clear which means that you can spot them inside the
“data mess”
Different applications create their own metadata sets (tags).
These metadata can only be used (understood) by the application
that created them or by applications that support them. For
example:
“ACIDized” wave files include metadata created by the
application ACID or any application that utilizes the tags
“Apple Loops-formatted aiff files include metadata
created by the Apple Loops Utility.
The metadata should not interfere with the actual audio data or
change the audio data itself. This ensures that “Tagged Audio
Files” can be played back with any application that supports the
audio file format (wave, aiff). If the metadata is not supported by
the application then it just ignores the data or part of it.
Tag Types:
A plain audio file has only one function: It plays back the audio in same way it was recorded.
Adding various tags however can extend the functionality of the audio file. Different applications use different sets of tags.
Apple Loops uses the following types of tags
Additional File Information or File Description (Keywords)
The most popular example is the mp3 file format that includes “ID3 tags”. These are description of the audio files like “
Artist
”, “
Album
”,
Comments
”, etc “iTunes supports those tags and uses even more of their own.
Logic has a build in “Loop Browser” that enables the search for audio files with those tags
Tempo Matching
The most popular example is the ACID file. Using drums loops as audio files in your sequencer was always restricted by the tempo. The tempo
of your song had to match the tempo of the recorded audio file in order to play in sync. The ACID file adds some metadata which enabled the
sequencer to playback the audio file in the current tempo of your song without any pitch alteration. This process is called Tempo matching.
Key Matching
Apple Loops took the idea of tempo matching and applied it to the pitch. If you are working on a song in your sequencer in the key C and
want to use an audio file of a synth pattern that was recorded in D, then you have to do some DSP surgery to make them fit. Apple Loops
provide metadata that enables the sequencer to match the Key of your song and playback the synth pattern in the key of C without any tempo
alteration
MIDI Data and Instruments Data
Apple Loops can tag even more metadata along the audio data. How about MIDI data. Instead of adding the audio file to an audio track, you
can place it on a MIDI track and Logic will extract the MIDI data of that audio file and create a MIDI region, which you can play back with the
synth module of your choice. Logic goes even that far that it can include the information of the audio instrument and all its used plugins. All
those information must be embedded into the audio file first. See below for details.
Audio data
Metadata
(tags)
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Podsumowanie treści

Strona 1 - Logic Pro 7.1

Logic Pro 7.1 – Apple Loops (2005-0905) 1 of 23Logic Pro 7.1Personal Manual by Edgar [email protected] <http://homepage.mac.c

Strona 2 - Apple Loop Concept

Logic Pro 7.1 – Apple Loops (2005-0905) 10 of 23Manually Indexing an Apple Loops folderStep 1 :• Open the Loop Browser in Logic and keep it visible•

Strona 3 - Logic’s “Global Tracks”

Logic Pro 7.1 – Apple Loops (2005-0905) 11 of 23File Location The file location for indexed Apple Loops has been straightened out in Logic 7.1 and

Strona 4 - Loop Browser

Logic Pro 7.1 – Apple Loops (2005-0905) 12 of 23File Access:Indexing:You have two Apple Loops Libraries, one is called “Apple Loops –Lib1” and the ot

Strona 5 - Search Pane

Logic Pro 7.1 – Apple Loops (2005-0905) 13 of 23Favorites Flag Location: Besides the actual Apple Loops in the Apple Loops folders and the index fil

Strona 6

Logic Pro 7.1 – Apple Loops (2005-0905) 14 of 23Logic - GarageBand: Logic 7.1 and GarageBand v2 ( and Soundtrack Pro) share the same location for th

Strona 7 - Sub-categories

Logic Pro 7.1 – Apple Loops (2005-0905) 15 of 23 Create Apple LoopsApple provided two tools to create Apple Loops. One is a separate application cal

Strona 8 - Result Pane

Logic Pro 7.1 – Apple Loops (2005-0905) 16 of 231) Apple Loops Utility (Detail) A few facts:• It was first released together with Soundtrack as a

Strona 9 - Indexed Apple Loops Library

Logic Pro 7.1 – Apple Loops (2005-0905) 17 of 231) Tags Pane: The Tag Pane is divided into four sections: Property Tags – File Info – Search Tags -

Strona 10

Logic Pro 7.1 – Apple Loops (2005-0905) 18 of 23“Batch Tagging”You can tag multiple files at the same time:• Select multiple in files in the Assets

Strona 11 - (root)/Library/Audio/

Logic Pro 7.1 – Apple Loops (2005-0905) 19 of 233) Preview Controls: • Assets: Show/Hide theAssets drawer• Save: saves the selectedfile(s)• Navig

Strona 12 - AMS Properties Window

Logic Pro 7.1 – Apple Loops (2005-0905) 2 of 23 Apple Loop ConceptA short HistoryThe Apple Loop technology was not a straightforward development for

Strona 13 - Favorites Flag Location:

Logic Pro 7.1 – Apple Loops (2005-0905) 20 of 232) Logic’s “Add to Apple Loops Library” window (Detail)Besides using the Apple Loops Utility, there i

Strona 14 - Logic - GarageBand:

Logic Pro 7.1 – Apple Loops (2005-0905) 21 of 23 Indexing non Apple LoopsImporting standard audio files (aiff, wav) Regular audio files (aiff, wav

Strona 15 - Create Apple Loops

Logic Pro 7.1 – Apple Loops (2005-0905) 22 of 23Importing ReCycle Files (Rex files) You can’t import a rex file into the ALU, but you can use Logic

Strona 16 - Soundtrack Loop Utility

Logic Pro 7.1 – Apple Loops (2005-0905) 23 of 23 SummaryThere are a total of three related files when dealing with Apple Loops in the Loop Browser1)

Strona 17 - 1) Tags Pane:

Logic Pro 7.1 – Apple Loops (2005-0905) 3 of 23Apple Loops “File Type”One of the important Apple Loop tags is called “File Type” and can be set to

Strona 18 - 2) Transients Pane:

Logic Pro 7.1 – Apple Loops (2005-0905) 4 of 23 Loop BrowserTempo and Key matching are the most powerful feature of Apple Loops. Another feature, po

Strona 19 - 4) Asset Drawer:

Logic Pro 7.1 – Apple Loops (2005-0905) 5 of 23You open the Loop Bowser from Logic’s Main Menu: ”Audio > Loop Browser” or by Key CommandAlthough t

Strona 20

Logic Pro 7.1 – Apple Loops (2005-0905) 6 of 23Search Fields: 1 - Folder LocationThis is a new search filed added in Logic 7.1.First of all it is a

Strona 21 - Indexing non Apple Loops

Logic Pro 7.1 – Apple Loops (2005-0905) 7 of 23Column View• Column View has three column• Column 1: This is the main column called “Loops” which li

Strona 22 - Use original loop tempo”

Logic Pro 7.1 – Apple Loops (2005-0905) 8 of 23Result Pane The Result Pane lists all the indexed Apple Loops that match the search criteria from th

Strona 23 - Summary

Logic Pro 7.1 – Apple Loops (2005-0905) 9 of 23 Indexing Apple Loops - File ManagementThere are two ways how you can import Apple Loops into your Lo

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