The GLAME Manual
This text documents GNU/Linux Audio Mechanics (GLAME) Version 2.0.1 (2 November 2001), a capable and easily extensible free sound editor. It describes the various frontends from a user's perspective...
2.1 A Quick Start to Editing Files
So you recorded this charming little chanson called Angelina, but she ditched you the other day and now dates Ron instead? No need to keep waiting until another Angelina passes your way. GLAME will help you changing your Angelina tune into a hymn on Heather in an instant. (Admit it, you've been after Heather for ages!)
Fire up glame, ignore the crappy splash screen, and what you'll see is the so-called Swapfile GUI. Don't waste your time pondering about the name, it's simply a view of all audio tracks that GLAME knows about. Tracks are kept in a hierarchy of projects and further groups of tracks. To make your sweet angelina.wav known to GLAME, first select New Project from the Project menu. A new entry appears; name it No More Angelina. Then click the right mouse button on the new entry, and a pop-up menu does what its name suggests: it pops up right in front of you. Choose the entry called Import, and select your angelina.wav. It's a stereo file, of course. Therefore the Swapfile GUI now shows two entries within your Angelina project, one for each track. Now you're all set to wipe poor Angelina if not from your life, then at least from your art.
Once again, click on the No More Angelina entry in the Swapfile GUI, press the right mouse button, and select Edit from the pop-up menu. What appears now is the so-called Waveedit GUI, a window containing a graphical view of the audio tracks in your project. (Of course you are tempted now to wipe Angelina from one track only. Well, you could do that by selecting Edit on a single track rather than the whole project. You could even edit one track in multiple windows at the same time. But this is not the road we want to go down now. This Angelina-bitch ditched you, remember? Let's wipe her from your song completely.)
The Waveedit GUI is mostly driven from a pop-up menu attached to the right mouse button. Have a guess what Play All might do? Well, try it out. If you can't hear a single note, check your mixer settings with an external mixer program, and if all seems to be right, go back to the Settings menu in the Swapfile GUI and check your Audio I/O preferences. Working now? Good. Want to know how zoom in and out work? Ah, no, you figured that out yourself. Now you have to identify the places in the song where your voice trembles Angelina. To make it easier for you, during playback a vertical line will mark the region currently playing. Of course you don't have to keep playing the song as a whole over and over. There is Play Selection after all. What's a selection? That's a highlighted region in the editing window. Press the left mouse button, drag the mouse, release the mouse button again, and you'll get the trick. A lot of things can be done with selections from the pop-up menu. They can for example be played, zoomed into, cut, copied, and deleted. The latter is just what we need now. Select each of the passages enchanting Angelina, delete them, and there she goes.
So what about Heather? We'll be with her in an instant, but we have to learn a bit about recording first.
Next: Gottagetbetter, Previous: Getawaywithher, Up: Quick Start Guide
2.2 A Quick Start to Audio Recording
Back we are at the Swapfile GUI. Let's add a new project, and name it Oh Heather. That's where you're going to record into. Well, not quite. You can't record into a project, of course, you can only record into tracks. So you need to pull a track out of thin air, two of them actually, as you're going to record stereo. The right mouse button again acts as your magic wand. It will present you a menu item Add stereo wave, and that's exactly what you need now. Add the two empty tracks, select your Heather project, and open the Waveedit GUI on it, using the Edit entry in the pop-up menu.
The editing window doesn't look too interesting at the moment but that's what you'd expect from an empty file. It'll change soon, so go launch your favourite mixer application, and prepare your system as well as yourself for recording. Once both of you feel in shape, come back to the editing window. Record at marker is the preferred item in the pop-up menu now. A panel will appear containing the four buttons Record, Pause, Stop, and Cancel. Hitting the first one will start the recording. Finding out about the meaning of the others is left as an exercise to the reader. Don't think too hard about it, though, as now is the time to give a c-sharp Heather in your best tremolo ever. You should've figured out to hit the Stop button by the time you're done.
The rest is easy. In the Heather editing window, mark a selection only containing you singing the name but none of the noise before and after. Pop-up the menu with the right mouse button and hit Copy. Then move over to the Angelina editing window, which should still be open. A click with the left mouse button will mark a position in the song, and selecting Paste from the pop-up menu will insert your Heather at this position. Where to insert the section is entirely up to your artistic talent.
Not fancy enough to woo Heather, you feel? Read on.
Next: Gobackformore, Previous: Getmeinthere, Up: Quick Start Guide
2.3 A Quick Start to Filter Networks
To brush up a selection from the Waveedit GUI, you can apply a single filter on it. Apply Filter from the pop-up menu gets you going. But you can do even better. Select Apply Custom and watch the Filternetwork Editor come up. Here, you can not only apply a single filter, but a whole collection of filters that interact with each other.
Think of the filter network as a factory of waves. It starts out on one or more sources of sound waves, mangles the sound, and finally sends it off to one or several consumers. There is already a source in the network, called swapfile_in, and a consumer called swapfile_out. Don't mess with them, as they were already set up by the Waveedit GUI to work on the selection you marked. It is your task now to build the individual steps in the factory itself. That is, what should be done to your sound, and in which order. To this end, you can insert filters into the network. They are your machines. Just hit the right mouse button, and select one of the entries. A small icon will appear depicting your new filter. Each filter has its inputs to the left, and its outputs to the right. To connect two filters, you draw a line from the output of the first to the input of the second, dragging the mouse with the left button pressed down. Some filters do not possess both inputs and outputs. You'll note this when one side of their icons is greyed out. Inputs and output in general are not limited to a single connection. A filter will accept as many connections as it can take, and reject any further.
For most filters, you want to tune their parameters, or their output will probably not come close to what you intended. Press the right mouse button on top of the filter image, and select the Properties entry. A new window will show up, where you can tune the parameters to your liking. Once all parameters are set, and all filters are connected, hit execute on the icon bar on top. When processing is finished, go to the Waveedit GUI, and watch your modified Heather tracks.
What's left to do? Back to the Swapfile GUI. It's about time to finally rename the No More Angelina project to Hymn to Heather. How? Go figure. You really should have gotten a good feeling of how GLAME works by now. Next, get the pop-up menu up on Hymn to Heather. Select Export..., and save your song as, say, heather.wav. As you may have guessed, by default the suffix determines the type of file Hymn to Heather is stored as. For some additional control, you can explicitly specify the desired file type and sample format via several rather obvious buttons and menus. Want details on that one? Hey, enough is enough! Go read the proper docs if you're that interested. Or try on of the Help entries that will present you a context sensitive entry from the manual.
Well done, you may call yourself a GLAMEr now. A Lamer even, if you don't get up immediately and present your new song to Heather. Off you go. Good luck!...
Go there... Quick Start Guide
http://glame.sourceforge.net/manual.var#Quick-Start-Guide
The GLAME Manual
http://glame.sourceforge.net/manual.var
Download Page...
http://sourceforge.net/project/showfiles.php?group_id=1627
--
God Bless,
Don
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