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Apple 8 BAudio and MIDI in Mac OS, This chapter covers the audio and MIDI facilities of Mac OS

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BAudio and MIDI in Mac OS X	B	Appendix
BAudio and MIDI in Mac OS X

This chapter covers the audio and MIDI facilities of Mac OS X.

Your audio and MIDI hardware can be used by all “media-aware” applications in Mac OS X. This is achieved through the use of the operating system’s Core services.

Core Audio

All audio devices are accessed via Core Audio in Mac OS X. Core Audio is a flexible, high-performance, low-latency audio system. Logic is compatible with any audio hardware that is supported by a Core Audio driver.

Sound Preference Pane

The Sound preference pane is only required for switching the system’s Sound Effects (“Sosumi,”“Ping,” and others …).

If you are on the road with your portable Macintosh, and want to quickly try out a musical idea, you might want to use the internal microphone for recording. Select Apple () menu > System Preferences > Sound, and then Input. Switch between Line In and the Internal microphone in this pane.

Select Apple Menu > System Preferences > Sound, and then Output. This preference pane determines the default output device. This output device is used for system alert beeps, and for some audio applications, such as iTunes and iMovie. If you would prefer to output your system beeps (and playback of iTunes and iMovie audio) via external Core Audio hardware, select your device here.

Note: You can set an independent level for the alert beep. It is recommended that you reduce this to the minimum level, or even deactivate alert beeps entirely, when working on compositions.

You should always select the maximum possible volume level, in order to make full use of the entire dynamic range, when working with applications that use the default output.

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Apple 8 manual BAudio and MIDI in Mac OS, This chapter covers the audio and MIDI facilities of Mac OS, Core Audio, Appendix

Contents

Getting Started Logic ExpressApple Inc  Apple Inc 2007 Apple Inc. All rights reservedFinder and Spotlight are trademarks of Apple Inc Using the Library 1 ContentsUsing the Inspector Using Instruments and EffectsUsing Control Surfaces Using the Channel Strip ControlsUsing Key Commands Using ScreensetsPreface Welcome to LogicImportant Entries Key CommandsConventions of This Manual Menu FunctionsTo launch Logic, open and save a new project 1Starting Your Project andImporting Media Files The basic Logic file or document type is the projectThe empty project will open, and you will see the New Tracks dialog Inspector Playhead Arrange channel strips Transport bar A Quick Note About TemplatesGetting to Know the Arrange Window Arrange window ToolbarTo create a few new tracks Creating Tracks4 Click the Create button Insert slot Channel strip settingsInstrument slot Audio region Adding Media FilesMIDI region A list of Apple Loops is shown at the bottom of the Loop Browser To add other audio file types with the Browser To switch between List and Browser view Automatic Track Creation From Media Area Windows Apple Loop TypesTo create a track and import a loop in one step To start and stop playback Using the Transport BarNavigating Your Project To create a track and import an audio file in one step, eitherTo start or stop playback at any project position Using the Bar RulerSetting the Playhead Position and Controlling Playback To move the playhead to any positionTo activate or deactivate the cycle, do one of the following Setting and Using the CycleTo move the cycle Undoing Operations To undo the last operation, command, or functionTo change the cycle length To undo or redo an isolated step To reverse a number of operations, commands, or functionsSelecting Tracks and Regions Selecting TracksTo select a region Selecting RegionsTo select several regions, do one of the following Page Preparing to Record Audio 2RecordingTo set the project sample rate The Importance of the Sample RateTo set the basic project tempo, do one of the following To set the count-in time To alter the metronome settingsTo make a standard audio recording Recording Audio RegionsTo open a take folder, do one of the following Recording TakesRecording an Instrument Part To select different takes when viewing an open take folderTo record an instrument region Chapter 2 Recording To correct the timing of your recordingPage Arrange area Bar ruler 3Creating Your ArrangementChoosing Tools About the Tools Effective Range of the ToolsPointer Eraser Muting and Soloing Tracks and RegionsMuting Regions PencilTo solo several regions with the Solo tool Soloing RegionsTo mute several regions with the Mute tool To solo a region with the Solo toolTo mute multiple tracks Editing RegionsMuting Tracks Soloing TracksTo move several selected regions Moving RegionsChanging the Length of Regions To move a regionTo cut a region Dividing RegionsCutting Regions To divide a regionTo copy a region, do one of the following Copying RegionsTo paste a cut or copied region from the Clipboard To delete a region, do one of the following Deleting RegionsTo remove all loops Looping RegionsTo loop a region, do one of the following To remove one or more loopsRegion Parameters Using the InspectorTo view or hide the Region Parameter box To undo any parameter changes Using the Track/Channel ParametersThe Track Parameters To change a parameter valueThe Arrange Channel Strips Getting to Know the MIDI Editors 4Editing MIDI EventsTo open or close the Piano Roll, Score or Hyper Editor Resize pointer Chapter 4 Editing MIDI EventsTo edit a note event position, do one of the following To open or close the Event ListTo create new note events in the Piano Roll Editor Editing and Creating EventsTo change the velocity of a note in the Piano Roll Editor Quantization menu Quantize button To quantize one or more selected notesPage Channel Strip Settings menu Insert slot Send slot Instrument slot 5 Using Instruments and EffectsTo directly insert an instrument into an instrument channel strip To directly insert an effect into a channel strip To remove an inserted plug-in effect or instrument Using the LibraryTo directly insert an EQ into a channel strip To replace an inserted plug-in effect or instrumentTo quickly change loaded effect or instrument settings Using the Library to load complete channel strip settingsTo open or close the Library To edit plug-in parameters Editing Instruments and EffectsTo open the ES E plug-in window if it isn’t open Editing Audio Files 6Working With Audio FilesChapter 6 Working With Audio Files To open the Sample Editor, do one of the followingTo export an audio file as an MP3 file Managing Your Audio FilesPage Project 7Mixing and Exporting YourTo open or close the Mixer window To change the Mixer view Using the Channel Strip ControlsTo select a different track/channel To adjust the panning or balance of a channel strip To adjust the level of a channel stripChanging the Routing of Channel Strips To send a channel to a bus Automating Your Mix To choose an automation parameter To edit the volume automation track To write volume automation to an automation trackTo bounce your mix Exporting Your Project8Speeding Up Your Workflow Using Key CommandsTo recall a screenset, do one of the following Using ScreensetsTo set up a screenset To set up more than nine screensetsUsing Control Surfaces Page The MIDI Language MIDIAAudio and MIDI Basics The MIDI Connection AudioDigital and Analog Recording About Bits and Sampling Rates Digital ConversionsSound Preference Pane BAudio and MIDI in Mac OSThis chapter covers the audio and MIDI facilities of Mac OS Core AudioCore MIDI Audio MIDI Setup AMSThe MIDI Page of AMS Memory SystemCOptimizing Your Computer Audio HardwareSoftware BackupTroubleshooting Preferences and Parameter RAM If Disaster StrikesFaulty Cables PCI ErrorsHard Disk Checking and File Structure Repair Viruses Re-installing or Updating the Operating SystemFormatting the Hard Disk Appendix C Optimizing Your Computer Audio System Page Glossary GlossaryGlossary beats per minute See bpm Broadcast Wave See Wave count-in Beats heard prior to the start of a recording or playback division value Adjustable value shown in notes for the grid used in displays and operations. Third number displayed in the Transport bar’s Position display. The division value is set in the Transport bar, below the time signature Finger tool Tool as used in the Piano Roll Editor, for example that looks like a hand with an extended index finger. This tool allows you to manipulate the length of events or perform other operations in other areas of the program input monitoring This function allows you to hear incoming audio, when audio tracks are playing, record-enabled, or recording. Simply click the Input Monitoring button on Arrange audio tracks to enable or disable input monitoring Library Window or tab in the Media area of the Arrange window used to handle all settings files for channel strips, effects, and instruments modulation wheel A MIDI controller found on most MIDI keyboards movie See video Parameter box Field on the left side of Logic windows or in the Inspector. It is used to adjust the parameters of the selected track, regions, events, or objects. Also see Inspector project settings The project settings are a collection of program settings that are specific to the current project. These are different to the global preferences that affect all Logic projects see Preferences window sample A digital recording of a sound at a particular instant in time Score Editor Logic editor that deals with standard musical notation. MIDI note events are represented as quavers, crotchets, minims, and so on. The Score Editor allows you to adjust and edit the layout of the score, and print it ES M track arming See record enable zoom control The control that appears at the bottom right of some windows, such as the Arrange. The zoom control slider allows you to navigate through the entire length of the currently displayed project. The lines on the left and right of the slider can be clicked to zoom in and out by a fixed percentage Index IndexIndex See also channel strip changing view 64 described IndexIndex Index See also preset