2012年3月22日星期四

Making Music With Logic Pro

Logic Pro is really a powerful digital audio workstation (or DAW) which enables you to record and edit both MIDI and audio to an expert standard. Whatever type of music you intend to create, Logic has got the tools for the task. Incorporated with Logic Studio is a variety of instruments and effects including a drum machine (Ultrabeat), a strong sampler (EXS24) and a remarkable selection of synthesizers. Additionally, you will find emulations of classic instruments like the Hammond B3 and Fender Rhodes pianos. To accomplish your track you are able to call upon an array of audio effects including reverbs, delays, distortion effects, compressors plus much more. Overall, Logic Pro represents an entire music production package for the Mac.


What else do I want?


Well as you can plainly see, Logic is really a pretty comprehensive package, but to take full advantage of it you are likely have to a few additional bits of kit. Firstly an audio card or audio interface. Most computers have a integral sound card to hear your mp3s, watch DVDs, play game titles, and so on... This sound card, if designed with audio inputs & outputs, may also be used (if compatible) together with your computer software. However, in the event that you intend to perform a large amount of recording and mixing, you should buy dedicated sound card.


Secondly a MIDI keyboard. This can allow you to "play" all the instruments within Logic. Again this isn't a costly purchase. But it will likely be invaluable when it comes to creating musical some ideas - even though you do not play piano. Otherwise you're going to have to resort to programming in every individual note or sound step-by-step which isn't just laborious but additionally creatively stifling. Remember the best thing about computer software like Logic is as you are able to go in and edit what you've played anytime so you don't have to be considered a great keyboard player to begin making music.


Establishing your MIDI keyboard in Logic


After you have installed your MIDI keyboard and audio card, you will have to ensure that Logic communicates together.


For Logic to keep in touch with external MIDI devices, first you will to configure the Audio MIDI Setup. The Audio MIDI setup is definitely an application located within the Utilities folder (in Applications folder). You are able to quickly get access to it in the Apple menu bar: Go >Utilities (or press Command Shift U).


Once in the Utilities folder, open the applying Audio MIDI Setup, and click the MIDI Devices button. You need to see an IAC driver button, a network button and buttons for other MIDI devices attached to your pc. Please be aware that should you make use of a multi port MIDI interface with external MIDI devices (Synth, drum machine, and so on... ), you will have to make the bond by hand.


Drivers for Audio Cards


To utilize a sound card with some type of computer, the operating-system an average of takes a specific device driver which you'll have installed in the earlier steps.


There are some different driver formats available with respect to the computer, the operating-system and the sound card it self. Apple mac OS X uses Core Audio This driver for Mac OSX is tightly built-into the operating-system. It works together with external sound cards along with the Mac's built-in sound card (known as built-in). In these days, many soundcards support Core Audio from the box, you merely 'plug & play'.


Put up Your Audio Card with Logic


Now you have to make certain that Logic communicates together with your audio card. In Preferences, select Audio > Devices > Core Audio.


Now you have to choose the correct driver for the audio card. Make use of the drop down menu Device to be able to choose the appropriate driver.


Common Issues: What's Latency?


When creating music using computer software, the computer has a lot of information to process before having the ability to output the sound to your speakers.


Which means that whenever you press a vital in your MIDI keyboard to trigger an audio from the computer software synth for instance, you will see a delay before you hear the sound. This delay is called the latency.


Understandably, if the latency is too pronounced it'll become excessively difficult to play any musical part, and that's why it's important to make use of the most useful driver you are able to together with your sound card. Moreover there are specific parameters that one can adjust to be able to enhance your latency.


Buffer Size


You are able to decrease the latency by adjusting the audio buffer size. A little buffer size will certainly reduce the latency, the place where a bigger value increases the delay time dramatically. Why not need the buffer size to the minimum value constantly to help make the system more playable? Well, it's not as simple as that.


There are many parameters that directly affect one another. If the buffer size affects the latency, additionally, it affects the processing power open to the program. Computer software instruments need processing power (CPU), so the more CPU you have, the more computer software instruments you are able to load at one given time. Fundamentally a little buffer size will put more strain on your pc to be able to obtain a smaller latency (delay), hence using more CPU.


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