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Import JPG/PNG Files into the Video Track

This builds on last week’s tip about splitting and navigating within the Video Track, because one of the main reasons for creating splits is to import additional material. Although the Video Track can accept common video file formats, sometimes you’ll need to import static JPG or PNG images. These could be a band logo, screen shots for a tutorial video, a slide with your web site and contact information, photos from a smartphone, public domain images, etc. To bring them into the video track, you need to convert them into a compatible format, like MP4.

Many online sites offer to “convert JPEG to MP4 for free!” However, I’m skeptical of those kinds of sites. Fortunately, modern Mac and Windows operating systems include tools that can do any needed conversion.

Converting with the Mac

1. Open iMovie, click on Create New, and then choose Movie.

2. Click on Import Media. Navigate to the location of the image you want to convert, and open it in iMovie.

3. Choose File > Share > File.

4. In the window that opens, click Next…

5. Navigate to where you want to save the file, and click on Save. You now have an MP4 file.

If you need a longer video than the default 3 seconds, drag more copies of the file to the timeline before saving. Or, drag the file into Studio One multiple times.

Converting with Windows

1. Open Video Editor (it’s not necessary to install Clipchamp). Click on New Video, and name it.

2. Click on the nearly invisible Project Library button.

3. Drag the image you want to convert into the Library. Then right-click on the image, and choose Place in Storyboard. The default length is 3 seconds. If it needs to be longer, select Place in Storyboard again. Or, drag the finished file into Studio One multiple times.

4. Click on Finish video (in the upper right), then click on Export.

5. Name the file, navigate to where you want to save it, then click on Export. Done! Your image is now an MP4 video you can insert into Studio One.

Dual-ing Vocoders

What’s better than one vocoder? Two vocoders, of course 😊. This tip is more about a technique than an application, although we’ll cover an application to illustrate the technique. But the main goal is to inspire you to try stereo vocoding and come up with your own applications, so there are additional tips at the end.

Long-time blog readers may have noticed my fascination with fusing melodic and percussive components. The easiest way to do this is to have a drum track (or reverb, pink noise, hand percussion, whatever) follow the Chord Track via Harmonic Editing. Although this tip takes that concept further, it’s about more than just percussion. Inserting a Splitter in an FX Chain, and following it with two vocoders, opens sonic options you can’t obtain any other way.

The FX Chain and Track Layout

Fig. 1 shows the stereo vocoder FX Chain. This technique will also work with Artist. However, it requires three tracks:

  • One with the modulator signal
  • Two tracks whose inputs are set to the modulator track output. The vocoders go into these tracks.
Figure 1: FX Chain for dual, stereo vocoding.

This application uses stereo drums, so the Splitter mode is Channel Split.  The Dual Pan modules at the vocoder outputs provide stereo imaging. I typically pan one vocoder full left and the other full right, but sometimes I’ll weight them more to center, or to one side of the stereo field.

Fig. 2 shows the track layout. Each Mai Tai instrument track has a Send. These feed the sidechains for the two vocoders to provide the carrier audio. Although the Mai Tai faders are at minimum, mixing in some instrument sound provides yet another character.

Figure 2: Track layout for the stereo vocoders.

Applications

This brief audio example adds a melodic component to drums. The two Mai Tai MIDI tracks are offset by an octave.

Fig. 3 shows the vocoder patch matrices. These particular settings are of no real consequence, they just emphasize that using different patch matrix settings for the left and right channel vocoders can have a major impact on the sound.

Figure 3: Patch Matrix settings for the two vocoders.

As to other applications:

  • Depending on the source, using the Splitter’s Normal and Frequency Splits can work well.
  • With anything percussive, try a Send from the Modulator track to a bus with Analog Delay, set to a rhythmic value.
  • The vocoder Mix controls are the best way to introduce some of the modulator signal in with the “vocoded” signal.
  • Adding Noise for Unvoiced Replacement fills out the sound in interesting ways. Turning up the modulator Attack and Release allows effects that are somewhat like mixing in a shaker or other hand percussion instrument.
  • Try using audio as a carrier for one vocoder, the internal carrier for the other vocoder, and pan both vocoders to center.
  • Using drums to modulate bass, and adding this as an almost subliminal effect to the main bass instrument sound, locks the bass tightly to a sense of rhythm.

Faster, Simpler Plug-In Parameter Control

Parameter Plug-in control in Studio One

You’re probably familiar with Studio One’s Micro Edit view, where you can expand/collapse an effect in the Insert Device Rack. However, Studio One 6 extends this ability to third-party plug-ins. You can treat the Insert Device Rack as your plug-in GUI, and tweak or write automation for parameters without having to open a plug-in’s interface. The Micro Edit view is ideal for quick tweaks, but also, for effects that interact with each other, like EQ and compression. Instead of having to bounce back and forth between two different plug-in UIs, all the necessary parameters are laid out in front of you.

Fig. 1 shows an example of using a Micro Edit view in the master bus. The processors are Waves’ UM226 stereo-to-5.1 surround upmix plug-in, followed the IK Multimedia’s Stealth Limiter as a post-master fader effect. Although the UM226 is designed to synthesize surround, I also use it as a “secret weapon” to give more of an immersive feel, and sense of space, to stereo mixes. Its UI is relatively large, so this lets me tweak it while doing a mix with other plug-ins open. Micro Edit view lets you choose the parameters you want to include from third-party plug-ins. The ones shown are the ones I edit most often.

Figure 1: The Micro Edit view shows the crucial parameters for the Waves UM226 stereo-to-surround upmix plug-in, and IK Multimedia’s Stealth Limiter.

You can choose as many or as few parameters as you want, and all of them are automatable. However, also note that the standard automation options don’t have to overlap with these parameters. For example, I use standard automation for switched functions that might only be needed to change once or twice during a song. There’s no need to have them take up space in the Micro Edit view.

Serious Micro Edit Automation

Opening the view in the Insert Device Rack limits the fader length. That’s okay for tweaking parameters, but for automation, it’s better to have a longer fader. Version 6’s Channel Overview takes care of that (fig. 2).

Figure 2: The Channel Overview extends the fader length. The greater resolution is helpful when writing automation.

Assigning Parameters

With PreSonus plug-ins, Micro Edit View parameters are pre-assigned to the most-used functions. With third-party effects, you select the Micro Edit view parameters, similarly to how you choose automation parameters.

Right-click on the effect name in the Insert Device rack, and choose Setup Micro Edit Parameters. Click on the parameters you want to add in the right pane, and choose Add. Now the parameters will be in the left pane, and visible as Micro Edit view parameters.

Fig. 3 shows how this can save a huge amount of screen real estate when mixing. The Ampeg SVT suite bass plug-in’s UI takes up a lot of space. So, I assigned all the parameters for the amp being used to Micro View parameters. Now tweaking the parameters simply requires expanding the Micro Edit view, and collapsing it again when done (expanding and collapsing are both one-click operations).

Figure 3: All the needed parameters have been assigned to the Micro Edit view.

This is the kind of feature that may not seem like much of a big deal—until you start using it. Micro Edit view makes for a less cluttered, more compact, and visually streamlined mixing experience.

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Two Crucial Tips for Quantizing Rhythm Guitar

Quantizing audio works best with short, percussive sounds—like drums. Rhythm guitar is more of a challenge, because the attacks aren’t always defined well, and volume fluctuations can add spurious transients as a chord decays. I know quite a few guitarists who set up their quantize parameters, hit “Apply,” and then wonder why the guitar part sounds worse, not better. So, they hit “Undo” and assume quantizing doesn’t work well for guitar. But it can, if you know the two tips in this week’s blog post.

To start the quantization process, select the event, open it in the Edit view, right-click on it, and choose Detect Transients. Do not choose Quantize, because we’ll need to edit some of the transient markers prior to quantizing. Then open the Audio Bend panel. The default transient detection is Standard analysis, with a Threshold of 80% (fig. 1). These are good initial settings for guitar.

Figure 1: Default Detection Mode and Threshold settings.

Tip #1: First, Do No Harm

With complex chords and lots of strings vibrating, Studio One may dutifully identify each attack with a transient marker. However, when listening, you might not hear any attacks in those places. Applying quantization to places that don’t need to be quantized can degrade the sound.

In fig. 2, after playing back the part, it didn’t seem the markers colored red (top view) needed to be there—only the marker between the two chord attacks correlated to an audible transient.

Figure 2: Removing unnecessary transient markers produces better-sounding audio.

Quantizing with all the markers in place created awkwardly stretched audio (middle view). After removing the markers in red and quantizing (bottom view), the quantization occurred exactly as desired.

Bottom line: If a transient marker doesn’t correlate to a transient you can hear, you’re probably better off deleting it. Sometimes, lowering the Threshold percentage in the Audio Bend panel takes care of removing unneeded markers for the entire Event.

Tip #2: Simplify Double Attacks

This is a big problem with rhythm guitar, because it’s physically impossible to hit all 6 strings at the same time. In fig. 3’s top view, note the doubled attack just before 3.4 (one of the attacks is colored red for clarity).

Figure 3: Ambiguous attack transients can cause problems, but there’s an easy fix.

The middle view applies quantization. Studio One has dutifully shifted the two transients to 16th notes, as instructed by the quantization parameters. But this overstretches the audio between the two transients, and doesn’t sound good.

The bottom view shows the audio after removing the transient shown in red in the top view, and then applying quantization. Studio One has shifted the remaining attack transient to the nearest 16th note, which is what we want.

Here’s another tip that relates to fig. 3. Note how the quantized transients at 3.4 and 4 seem a little late, like they missed the first part of the attack. However, I’ve found that if Studio One doesn’t have to deal with double attacks, it makes good judgment calls about where to define the chord’s attack. I’ve tried placing the transient closer to where the attack starts and quantizing, but most of the time, the chord then sounds a little late. Trust the force.

In any case, a little manual tweaking prior to quantization can make the difference between a natural-sounding part that doesn’t seem quantized, and quantized audio with unwanted glitches. I never quantize a rhythm guitar part without looking over the transients first, and making sure they don’t exhibit any of the issues described here.

Magic Stereo

For me, the gold standard for sound isn’t what comes out a studio, but live music. One of the reasons is that mono sound does not exist in an acoustic environment—it’s always interacting with the acoustic environment.

Sure, we can add reverb to give a mono instrument like electric guitar a static position in a stereo field. However, that will always require some kind of time-based manipulation. For a recent song project, I wanted a background guitar part to have motion within a stereo field—but without using any kind of delay, reverb, panning, or EQ. In other words: dry, electric, mono-output guitar with a stereo image. Impossible? Let’s find out.

The Track Setup

The way this works is so simple I’m surprised I never figured it out before. Fig. 1 shows the track layout.  The guitar (with added chorus, as required by the song) pans full left, and has two sends. One send provides the guitar’s audio to a bus. The other send controls the sidechain of a Compressor inserted in the bus. The bus is panned full right.

Figure 1: Track layout for the magic stereo effect.

As the Compressor’s level changes, there’s a sense of motion as the dynamics and levels in the left and right channels change. Even better, these changes are tied to the instrument’s dynamics. This makes for a more natural effect.

This audio example plays the guitar by itself, panned to center, and going through the PreSonus chorus.

Guitar without Magic Stereo

Now let’s hear the magic stereo effect. Although it’s most obvious on headphones, you’ll hear the effect on speakers as well.

Guitar with Magic Stereo

The final audio example plays it in context with the mix. It adds a sense of animation to the guitar you can’t get in any other way. I also included this example because the drums are following the chord track. It has nothing to do with this tip, but I love the cool melodic quality it adds.

Effect in context

Compressor Settings

The Compressor settings are crucial. The ones shown in fig. 2 are a good place to start.

Figure 2: Compressor settings for the Magic Stereo effect.

Adjust the settings by panning the source track full left. Increase the processed track’s level until both channels are at about the same level. Experiment with the Compressor’s Threshold to find the sweet spot between the compressor having no effect, or having too much of an effect. The Release can also affect this—too short or too long a release neuters the effect.  You’ll likely have to readjust the processed channel’s level quite a bit as you zero in on the ideal settings.

With 15 ms Attack, both channels have their attacks hit at the same time and with the same intensity. So, the attack sound appears in the center, has the advantage of center-channel buildup, and helps anchor the part. As the audio decays and the channels are more dissimilar, the audio “wanders” more in the stereo field.

This technique is also great with background vocals. I didn’t use it in this song because there was so much motion going on overall I wanted the background vocals to be a constant. However I’ve used this technique with other songs, and it’s very effective—especially if you have multiple tracks of background vocals, and you apply individual magic stereo processing to each one.

Instant Soundtrack!

Who reading this wouldn’t want to make a little more money from their music? Okay, dumb question.

When people think “soundtrack,” images of Hollywood scoring stages come to mind. But soundtracks are a much broader topic now. YouTube videos, podcasters, corporate presenters, educational videos, and local businesses doing radio or TV ads all need soundtracks.

In 1992, I wrote an article called “Subtractive Sequencing” for Keyboard magazine that described filling a piece of music with loops, and then cutting out sections to make an arrangement. It didn’t get much attention. But over 20 years later (!), a blog post called “Subtractive Arranging—Novel Production Method from Danny J Lewis” presented the same technique. This time, it did get attention, to the point where the inevitable “Why I Don’t Use Subtractive Arranging” appeared in someone else’s blog.

 Why? He didn’t like how this technique created static arrangements. But those “static arrangements” are actually ideal for… wait for it… soundtracks.

A good soundtrack fills space behind visuals or narration, but always plays a supporting role. So, I use subtractive arrangements to create soundtracks. I just take a song, and remove anything with a human voice, lead lines, some of the layers in layered parts, and most ear candy unless it complements the visuals (fig. 1). Then I render the mix, and compress the heck out of it—not to win the loudness wars, but to maintain a constant level that can happily sit -12 to -15 dB or so below the narration or dialogue.

Figure 1: The events in white were part of a song—but not part of a soundtrack.

In fig. 1, subtracted events are filled in with white for clarity. The tracks Lead Vocal and Smile (some ear candy) were muted. So was a layered, Nashville tuned guitar track, because the high frequencies stood out too much. The layered Standard tuning part was left in, but extra tempo-synched echo for both were cut. Similarly, there were two tracks of “Beat Filters,” loops from my AdrenaLinn Guitars loop library. They were panned to center and side for a cool stereo effect—that no one would care about. So, I muted one of them. Sections of a house bass loop were also removed.

The final, mixed soundtrack is exactly 1.5 minutes, and consists of drums, rhythm guitar triggered by a drum sidechain signal, bass in some parts, a beat filter loop in some parts, and a little acoustic guitar. That’s all that was needed. One last tip: You can mix bass up pretty high, because it helps drive a song and is out of the speech range.  

Every now and then, I go through some of my older projects, strip out anything distracting, create a soundtrack, and save it into my “Soundtracks” folder. Whenever I need a soundtrack, there’s always something suitable in there. And even better, if you get into creating soundtracks, you might find some interesting opportunities to make money from them.

Here’s the finished soundtrack:

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Play Faster with Tape Stretch

How to Play Faster—By Playing Slower covered how to slow down tempo of non-MIDI based music without changing pitch. This allows playing a difficult part at a slower speed, and then speeding the part back up to the desired tempo. However, this method may produce artifacts, because time-stretching algorithms aren’t perfect (yet…).

With tape, musicians used variable-speed recorders to implement the same technique. However, because this approach locked pitch and tempo together, slowing down the tempo also lowered pitch. So, you’d need to learn the song in a different key, or retune your instrument to match the lower pitch. Speeding the tape back up to its original tempo sped up the slower overdub, and raised its pitch as well.

Studio One’s “Tape” stretch mode works the same way as variable-speed tape, and unlike other stretch methods, produces zero artifacts. You still need to learn the part in a different key, but sometimes this is a good thing. When you play along at the slower tempo and then speed the part back up again, the instrument’s timbre becomes brighter—which might be just what a song needs. Similarly, you can record at a faster speed, and then slow back down for a sound that’s more like downtuning. What’s more, with stringed instruments, it’s possible to record with a different voicing that might be more effective, or provide additional contrast if you’re layering parts.

How to Do It

1. Rather than try to slow down an entire Song, position the loop markers at the beginning and end. Choose Song > Export Mixdown to create a premix of the Song. Under Export Range, choose “Between Loop.” Under Options, check “Import to Track” (fig. 1).

Figure 1: Export the premix.

2. Mute all Song tracks except the imported premix.

3. Select the premix, and open its Inspector (F4).

4. For Timestretch mode, choose “Tape” (fig. 2).

Figure 2: Inspector settings for the premix.

5. Further down in the Inspector, locate the “Speedup” parameter.

6. Enter a Speedup value that “lands” on a key, as shown in fig. 3. For example, a Speedup setting of 0.89089 slows the tempo to 89% of its current value, and transposes pitch down 2 semitones. Enter all 6 digits for correct tuning, even though Speedup displays only 3 digits (Studio One knows the extra digits are there). Hit Return.

7. Create a new track, and record your overdub at the slower tempo, in the different key.

8. When you’re done, make sure your overdub extends to the song’s beginning. If there’s a gap, use the Paint tool to create a blank event that extends from the song’s beginning to the overdub. Select the blank clip and overdub, and then type Ctrl+B to turn them into a single event.

9. Click on the overdub event, and set Timestretch to Tape. transpose it up by as much as it was transposed down. For example, if the track was transposed down 2 semitones, enter a Speedup time of 1.12246 to transpose it back up two semitones. Hit return.

10. Done!

Figure 3: Speedup parameter values for different transpositions.

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“Universal” Gated Reverb

Last week’s tip covered using the Mixverb to create the 80s gated reverb effects with drums. This week, we’ll present a more universal solution. But also, we’ll do some cool tricks with gated delay (there’s nothing like a dotted eighth-note delay, right?).

Compared to last week’s tip, the main difference this week is that it’s not limited to using individual drum sounds (although that remains the most flexible approach). Because the gate following the reverb has a sidechain, it works with drum loops or a mixed drum bus. Fig. 1 shows the mixer setup for a drum loop.

Figure 1: Mixer setup for gated reverb drums.

The drum (or loop, or bus) track has two sends. One goes to an FX Channel with Open Air reverb followed by Gate. The Pro EQ2 before the reverb is optional—it’s there to keep low frequencies, where the kick lives, out of the reverb. The other send controls the Gate’s sidechain.

For Open Air, I prefer reverb sounds that don’t have a lot of early reflections, with a long, consistent tail. Try different reverbs, because the results vary greatly depending on the reverb itself. My go-to is using a 4.00 or 8.00 second “Balanced” impulse from my Surreal Reverb Impulse Reponses sample pack, tweaked with the Open Air EQ. In the audio example, using this particular impulse imparts a sort of melodic component as well as space. However, most long, smooth reverbs will work.

Gate Settings

First off, a “gotcha”: When you assign a sidechain to the Gate, it assumes you want Duck mode. You don’t! Make sure you turn off Ducking, or you’ll wonder why the gating doesn’t work as expected.

The Gate’s Hold parameter plays an important role. You can set the Threshold to pick up as much of the drum dynamics as you want, and then use Hold to set a specific amount of time that the Gate is open. Release tailors the sound further by setting the way the Gate cuts off, from no time to a bit of a decay. For example, 250 ms adds a bit more of a reverberant character if you want a less drastic gating effect.

Audio examples? Sure! Let’s start with gated reverb on drums.  The first half is dry drums. The second half has gated reverb, and uses the parameters shown in fig. 1.

80s Gated Mixverb Drums.mp3

The final audio example gates a dotted eight-note delay from the Analog Delay. In some ways, I think this is a better application than traditional reverb…but maybe that’s just because I haven’t heard it a zillion times before. This example has only the processed sound, since you already heard the dry sound in the previous audio example.

Gated 80s Drums_Delay.mp3

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