WAV files, designated by a '.wav' extension, are audio files associated with IBM and Microsoft. Users of such files often want to cut them down for use as soundbites on radio shows or podcasts. As promised, here is the first tutorial on developing with Corona SDK.Corona by Ansca Mobile is a cross platform development kit. It is easy to target different devices, as long as these are iOS or Android based. In this tutorial you will learn how to set up the basic structure for a Corona app.
After introducing the Dynamic Split function in August's Reaper column (read it at ), we revisit it for this tutorial to cut up a recording into a series of short samples. We'll then move on to loading these audio files into Reaper's simple software sampler to trigger them from a MIDI keyboard. Begin by recording some interesting sounds — a series of notes or hits that can be captured in a single take, since we're going to split them up later. For my part, I assembled a junk percussion kit from kitchenware, with a wooden spoon as a makeshift drumstick.
The idea behind this was to capture a range of sounds with a very sharp attack and decay that would serve as elements of a beat, but then also provide interesting 'swells' when reversed. When recording, I was careful to ensure that each sound had completely died away before producing the next. This restraint limited the creative flow a little, but meant that I was able to become a two-take wonder! Following recording, the next task is to use Dynamic Screen 1: The 'Dynamic split items' window. Using a gate, the split points and silences are detected and this is reflected in a preview shown on the relevant waveform on the screen behind. The 'Trailing pad' function is also employed to provide a fade-out at the end of each split region.Split to separate the hits into individual samples. You access Dynamic Split by first selecting the relevant audio region on screen, and then navigating to 'Dynamic split items' from the Item processing menu.
The quickest way to get to this is to right-click over a highlighted region. On the Dynamic Split window, a number of parameters are adjusted in order to cut the region at appropriate points, remove silence and apply fade-outs. Screen 1 illustrates an example of these settings, with a noise gate being used to sense where the hits and silences occur in the waveform. Any changes made to the parameter settings are reflected in a visual 'preview' on the highlighted waveform on screen, defined by the lighter and darker grey sections shown on the picture. Use the 'When gate opens' and 'When gate closes' options for placing the split points. 'Min slice length' is used to set the minimum length of split audio regions.
Here, I've selected a relatively large value as several of my percussive sounds ring and die away slowly after the initial attack. The 'Gate threshold' control determines the sensitivity of the gate. Here I'm using a low threshold setting so that the gate doesn't cut the tail of the sounds as they die away.
A negative setting helps to lower the threshold for the gate closing even further; this is perfect for sounds with a wide dynamic range. Further down, 'Split selected items' is selected as well as the option to remove silence once the audio region is split. Finally a 'Trailing pad' is applied to create a fade-out at the end of each split item, helping the end points to sound more natural. Click 'Split' to complete the process. Once split, the audio regions may require a little manual editing, and it's well worth taking the time to zoom in and check the results. Fade lengths may need to be adjusted for sounds with an unusually long or short decay, and start points of the split items might need tweaking if the gate controlling the split points has reacted a little too slowly, and missed the early transients of the sound.
The next step in the process is to export (render) each of the split parts of the original file to new audio files. It's generally good practice to normalise to ensure even playback volume between samples later on:. Shift-click to select all the items to be exported as separate files and pick 'Normalize items' from the Item processing menu (see Screen 2). Right-click on the selected items once more and select 'Render items Screen 2: A right-click on selected regions reveals an edit menu. This allows access to the important functions discussed here, including normalisation, rendering the split items to new audio files, and creating reversed versions of the samples. As new take'.
If you want some reversed versions of the sound (eg. To create cinematic fade-in effects) you should also choose 'Reverse items as new take' from the same menu. The exported samples will appear in the project folder named incrementally as 'filename render 001.wav', and the reversed versions, 'filename reversed 001' and so on. These can be moved into a separate folder for ease of location later, and this is also an appropriate time to skim through and delete any samples that don't make the cut. Before we continue, allow me to warn you about the limitations of the ReaSamplOmatic5000.
The plug-in (as its name suggests) is somewhat of a Heath Robinson affair, that will only load one sample at a time and refuses to perform any fancy processing! However, the simplicity of the thing makes it straightforward to operate and allows for really fine control of parameters with minimal CPU usage. You could even argue that the plug-in also acts as an educational tool, since it requires the user to do the majority of the work!. On a new track, insert an instance of ReaSamplOmatic5000. On the track input settings, enable recording and select the appropriate MIDI input from the drop-down list. If you don't have a MIDI input device, you can display the Virtual MIDI Keyboard, using the View menu, and assign this as the MIDI input. Load the first sample by clicking 'Browse' in the plug-in window and navigating to the relevant rendered WAV file.
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Once loaded, you can select alternative samples from the folder using the drop-down menu displaying the filename. Preview the sample by pressing a note on the MIDI keyboard or clicking the black square on the right-hand side of the plug-in window; this (unmarked) preview button is the best bet, since it plays the sample at the original pitch. Sample start and end points are adjusted by dragging the yellow lines in the waveform display. You can check any adjustments using the preview button. The MIDI key range within which the sample will operate is controlled using the 'Note start' and 'Note end' settings.
By default, a sample will play and transpose across the full MIDI note range, with the ' parameter being used to define where the key note is located (ie. The note required to trigger the sample at its original pitch). Meanwhile, other important playback settings are located towards the bottom of the plug-in window. 'Obey note-offs' determines whether the sample stops playing as the key is released or operates in a 'one hit' fashion, and there are also some loop and cross-fade options. Adding subsequent samples is achieved by opening extra instances of the plug-in on the same track or, if you like to have maximum control over the editing of individual percussion lines, by placing each sound on a separate track.
I like to trigger a number of samples mapped across a keyboard to construct a beat, and this requires key zones to be set up. The first instance of the plug-in holds a sample named ' rendered 001' with its note range constrained to play only between MIDI notes C1 and B1 on the keyboard. Meanwhile, a reversed sample loaded into the second instance of the plug-in plays Screen 3: The ReaSamplOmatic5000 plug-in window. The first sample is loaded into the plug-in, trimmed and triggered by clicking a note on the Virtual MIDI Keyboard. In this case, the sample is set to play and transpose across the entire pitch range of the MIDI keyboard and the 'Obey note-offs' function has been selected, to ensure that the sample will stop playing when the key is released. In a key zone an octave higher. For both samples, the ' parameter has been set to a value of -7 semitones so that the original pitch lies at the mid-point of the octave, with pitch (playback rate) being sped-up above this point, and vice versa.
Panning has also been introduced for the second sample for variety in the stereo field. Velocity layering can be achieved using a similar approach, manipulating the 'Velocity minimum' and 'Velocity maximum' parameters in addition to defining the sample's pitch boundaries. Applications would include switching to a sample with a harsher attack at higher velocities, and layering up additional samples to thicken the texture. Again, multiple instances of the plug-in are required for this. Rest assured, though, the process does get quicker and subsequently less tedious through repetition! Used in combination, the Dynamic Split function and the ReaSamplOmatic5000 plug-in offer a simple method for separating recordings into samples and triggering them via MIDI. Whilst some of the available tools may be considered primitive, really creative and fun results are possible even with a limited knowledge of sampling practice.
Indeed, the processes discussed give those less au fait with sampling techniques the opportunity to hone their skills and better understand what's going on 'under the hood' in more complex plug-ins. All contents copyright © SOS Publications Group and/or its licensors, 1985-2018. All rights reserved. The contents of this article are subject to worldwide copyright protection and reproduction in whole or part, whether mechanical or electronic, is expressly forbidden without the prior written consent of the Publishers. Great care has been taken to ensure accuracy in the preparation of this article but neither Sound On Sound Limited nor the publishers can be held responsible for its contents. The views expressed are those of the contributors and not necessarily those of the publishers. Web site designed & maintained by PB Associates & SOS.
.Like M4sonic, Madeon, Throttle, and more! First, let's say I want to cut some samples from a Skrillex song. Go to iTunes and find the song. Make sure that Live is still visible in the background: Okay, now, drag the clip from iTunes and put it into a slot in Ableton Live. Example: Second, now that you have the song in iTunes, there are different ways you can chop a song, but let's just talk about the best option: Choping Samples Up Manually) Okay, if you want to chop up certain parts of a song then keep reading: 1.
Make a MIDI track 2. Go to InstrumentsDrum Rack 3. Drag the drum rack into the midi column. You'll see this: 4. Now, click on the song you want to cut up, you'll see this: See those arrows at the bottom near the start and end of the song?
(Look at the waveform) Drag those to whatever part of the song you like. Example: Now, assuming you want to play these clips in user 1 mode: 5.
Double click the drum rack 6. Then drag the song clip into the drum rack. Make sure to put it in one of the spaces below: (Note - You can also just put the sample into an audio rack then move the arrows and then drag it into the drum rack) Okay, I hope this helped! Svetozarmilchev wrote: Do you have to own the song in iTunes, and if you dont, then how do you put it on the side like that?
It doesnt allow me to drag it for some reason You don't need to own the song it itunes. Just have it in any folder on your computer. Even songs from a youtube to mp3 converter will work. All he did to have itunes on the side like that was move the sliders at the edge of the window. However, the slice to midi track method won't work in Live Lite (at least it didn't for me) but it should work on any other version on windows 8.
( I think everybody knows what comes next.). Svetozarmilchev wrote: Do you have to own the song in iTunes, and if you dont, then how do you put it on the side like that?
It doesnt allow me to drag it for some reason You don't need to own the song it itunes. Just have it in any folder on your computer. Even songs from a youtube to mp3 converter will work. All he did to have itunes on the side like that was move the sliders at the edge of the window.
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However, the slice to midi track method won't work in Live Lite (at least it didn't for me) but it should work on any other version on windows 8. ( I think everybody knows what comes next.) Can you make me one with Komplete 9?