PreSonus Blog

Tag Archives: Vinyl


Mastering Martha Davis—for Vinyl!

Martha Davis is best known for her string of hit singles in the 80s with the Motels.

 

Songs like “Suddenly Last Summer” and “Only the Lonely” were Top 10 hits that remain on playlists to this day, but her varied (and ongoing) career includes solo albums, an acting stint in “Bill & Ted’s Excellent Adventure,” creating music for several films (including “Moscow on the Hudson,” “Teachers,” “The Golden Child, and her “Soul Man” duet with Sly Stone), and working in theater. She still tours—at least when there’s not a pandemic—and amazingly, her voice is better than it was in the 80s. But, it took Studio One’ Project Page to bring a solo album back to life that had been all but written off ten years ago.

 

The collection of songs on “I Have My Standards” (Fig. 1) was meant to be an album of jazz standards, with orchestration—but the twist was that Martha had written the “standards.” She cut a demo album with longtime musical collaborator Marty Jourard (piano, tenor sax), Allen Hunter (bass), Paul Pulvirente (drums), and Felix Mercer (clarinet). However, the budget to do the orchestration never materialized, and the record was never finished.

Figure 1: The cover of “I Have My Standards.”

When Martha found out I did mastering, she mentioned “the album that never was” and being curious, I asked to listen to it. I was floored. The songs were deep, the vocals flawless, and the instrumentation excellent. I heard the lack of orchestration as an advantage because the sparse, emotional treatments were compelling in themselves.

 

Except…being a demo, there were technical problems. Among other issues, the acoustic bass overpowered the song on some of the demos, the mic had a boxy quality that was no friend to Martha’s voice, and there were mix and level issues that resulted in a lack of clarity. I asked if she could locate the multitracks so I could remix before mastering, yet no one had any idea where they were. Oh, and the project had to be mastered for vinyl—she wanted to put it out on 180-gram vinyl for her nascent record label, Remarkable Records.

 

ENTER STUDIO ONE

 

Fortunately, the songs were recorded with the same basic setup. Although I’m usually not a fan of “one size fits all” mastering chains, in this case, there weren’t too many variations among the songs (Fig. 2).

Figure 2: The Project Page mastering chain.

The Splitter separated the frequencies below 178 Hz from the rest of the audio. With vinyl, bass needs to be centered, and the dynamics need to be controlled—hence the Limiter, and the Dual Pan. with both left and right channels set to center.

 

Another reason for the Splitter was that in some songs, the acoustic bass overpowered the mix. Note the fader at the end of the Dual Pan, set to -9.0 dB to help keep the bass under control. This setting worked for most of the songs but for one of them, I had to pull the level down by -13.8 dB to get the right balance. The frequency splitting was crucial.

 

For the rest of the audio, EQ was by far the most important process. Fig. 3 shows the setting that was used on most of the songs. Remember that the RIAA curve for vinyl (which boosts treble massively on the vinyl, then cuts it on playback) isn’t a fan of high frequencies, so the highs were often cut on vinyl masters. Although the steep high-cut filter wasn’t needed on all the songs, when necessary this gave a sound that was more consistent with vinyl records.

Figure 3: Initial EQ settings for the songs.

 

The substantial dip at 625 removed the muffled quality by making the highs more prominent. The dips at 2.72 and 3.06 kHz were tricky—they were essential in removing a resonance on Martha’s voice that took away from of the openness and intimacy. Almost all the songs needed the dip at 8 kHz, where treble energy from recording the individual tracks “bunched up.” Bass wasn’t an issue, because the split took care of that.

 

The Binaural pan was set between 124% and 137%, depending on the song. This mainly had the effect of spreading out the reverb more than the instruments, which enveloped the sound in an ambiance it didn’t have otherwise. This also moved the reverb a bit out of the center, so there could be more focus on the voice.

 

Finally, I’m not much of a believer in “special sauce” processors, but the Scheps Parallel Particles from Waves was ideal (Fig. 4).

Figure 4: The Scheps Parallel Particles plug-in added just the right amount of “air.”

 

After taming the highs to accommodate vinyl mastering, I wanted to restore a perception of high frequencies. Adding a significant amount of the Air parameter, with just a touch of Thick and Bite for a little more midrange presence, did exactly what was needed.

 

FINAL TOUCHES

 

I was aiming for a LUFS of -12. This was a bit of a compromise between vinyl and streaming. A little compression would make it easier for the vinyl cutter to optimize the levels for vinyl, and besides, being a little “hotter” than the typical streaming target of -14 LUFS was fine. For the last stage of dynamics control, I used IK Multimedia’s Stealth Limiter (which is designed for mastering), in the Project Page’s Post slot. It’s a transparent but CPU-intensive plug-in, hence using only one instance as the final limiter. The songs were the levels I wanted, so they needed only very slight tweaks to hit the Stealth Limiter a little harder or softer to reach the -12 LUFS goal.

 

It was easy to generate timings from the Project Page, so that those cutting the vinyl would know where to put the bands between cuts…and we were on our way. The vinyl hits the world in August (available from themotels.com and specialty record stores). The digital release is available now on iTunes, Apple Music, Spotify, Amazon Music, Amazon Disk on Demand, and you can hear it on Pandora, Shazam, iHeart Radio, and YouTube Music. Most of these have ways to preview the songs, and I think it’s well worth following some of the links to check out music that sounds like it’s frozen in time, yet curiously modern.

 

I checked out some of the customer reviews on Amazon. While they’re all over-the-top about Martha’s voice and songs, as you might expect my favorite is the one that said “The album is mastered in such a way that you would think that Martha Davis is actually in the same room with you.” Mission accomplished (Fig. 5)!

Figure 5: Martha with the author.

 

Friday Tips—Studio One Meets Vinyl

Although vinyl represents a tiny fraction of the media people use to listen to music, you, or a client, may want to do a vinyl release someday. Conventional wisdom is split between “you don’t dare master for vinyl” and “sure, you can master for vinyl if you know certain rules.”

Both miss the point that the engineer using the lathe to do the cutting will make the ultimate decisions. You can provide something mastered for CD, and the engineer will do what’s possible to make it vinyl-friendly—but then the vinyl version may sound very different from the CD, because of the compromises needed to accommodate vinyl. Conversely, you can “prep for vinyl” and if you do a good job, the engineer running the cutting lathe will have an easier time, and there won’t be as much difference between the vinyl and CD release.

But before going any further, let’s explore why vinyl is different.

 

TRADEOFFS

A stylus moves side to side, and up and down, to create stereo. Louder levels mean wide and deeper grooves; if too loud, the needle can jump out of the groove. Lower frequencies hog “groove space” more than high frequencies, but also, a stylus has a difficult time moving fast enough to track high frequencies, which leads to distortion.

To compensate, the RIAA initiated an EQ curve that cuts bass up to -20 dB at low frequencies before the audio gets turned into a master lacquer, and boosts highs by an equally dramatic amount to help overcome surface noise. On playback, an inverse curve boosts the bass to restore its original level; cutting highs restores the proper high-frequency balance to reduce surface noise and encourage better tracking (Fig. 1).

Figure 1: RIAA equalization record and playback curves for vinyl records.

 

PREPARATION IN THE SONG PAGE

There are four main ways to make more vinyl-friendly mixes in the Song Page.

  1. Avoid excessive high frequencies. Use de-essing on vocals, but de-essing can also tame distorted guitar, cymbals, and other high-frequency sound sources (Fig. 2). Excess sibilance or brightness translates to splattering distortion with vinyl.

 

Figure 2: Studio One’s compressor can do de-essing and other frequency-selective compression.

 

  1. Trim the lows and highs, as appropriate for the program material. Use a 48 dB/octave Pro EQ LC filter to cut everything below 20 to 40 Hz. Back in the vinyl days, sharp cuts above 15 kHz or even 10 kHz were also the norm (Fig. 3).

Figure 3: Sharp LC and HC filters trim out vinyl-hostile frequencies.

 

  1. Center the bass. The worst-case audio for a stylus to track is out-of-phase bass in the left and right channels. Besides, low frequencies aren’t very directional, so any stereo is more or less pointless unless you’re listening on headphones. The easiest way to center bass in Studio One is to place a Splitter in the master bus, and split by frequency. There is no “rule” for the correct crossover frequency; too low, and potentially problematic frequencies can get through. Too high, and you’ll start interfering with the lower end of guitar and other instruments. That said, 70 to 170 Hz is a good place to start. Then, follow that low split with the Dual Pan, and center both channels (Fig. 4). Also consider avoiding hard left/right panning for lower-frequency instruments, like toms.

 

Figure 4: Using a Splitter as a crossover, with a Dual Pan, can center low frequencies in the stereo spread.

 

  1. Check your mix in mono. Phase issues, whether accidental or deliberate (i.e., psycho-acoustic processors) can really mess with the cutting lathe. Use Studio One’s Correlation meter to confirm there aren’t major phase issues (see the Friday Tip for September 28, 2018).

 

PREPARATION IN THE PROJECT PAGE

You can take matters only so far in the Project Page before taking your mixes to a mastering engineer who knows how to prep for, and cut, vinyl. But there are steps you should take to assist the process of creating a vinyl-friendly master for duplication.

  1. Follow the rules for album length. The two sides should be of approximately equal length, and for a 12” record, should not exceed 20 minutes. Longer sides mean narrower grooves, lower levels, and more issues with surface noise. There’s a reason why many classic albums were 30-40 minutes long total.
  2. Follow the rules for album order. Fidelity deteriorates as the stylus works its way toward the inner grooves. Place your loudest songs, with the most complex spectra, at the beginning of a side, and the quieter songs toward the end. This may require choosing whether you want to compromise your art, or the sound quality.
  3. Don’t try to win the loudness wars. You can ask the engineer cutting the vinyl to put as loud a level as possible on vinyl, but don’t try it yourself. Loud, distorted or partially clipped audio only sounds worse when translated to vinyl because the stylus can’t follow clipped waveforms easily. Think about it—a mechanical object can’t snap to a maximum value and then back down to a lower value instantly. What matters is the average, not peak, level; I master to around -10 or -11 LUFS these days, and that works for vinyl. You can maybe stretch that to -8 with some material, but the louder you go, the greater the chance of distortion.
  4. Create a complete, continuous disc image file (Fig. 5) that represents exactly what you want each side to sound like. The process of transferring from a final mix to a cutting lathe is done in real time. The image should include the desired silence between cuts, crossfades, and song order. Of course you can have a mastering engineer assemble the album from individual cuts, but you’ll pay extra.

 

Figure 5: I mastered my 2017 album project, Simplicity, with vinyl in mind “just in case.” The total length is about 31 minutes, and the project splits into two sides of almost equal length between songs 6 and 7 (shown with an orange line). An image of the entire project is about to be created.

 

  1. Get a reference lacquer. You’ll pay extra for this, but it lets you “proof” the settings the mastering engineer uses to create the final master lacquer. You can play the reference at least a dozen or more times before the quality starts to deteriorate audibly. If changes need to be made, the mastering engineer will have written down the settings used to make the reference, and re-adjust them as needed.

 

SO THAT’S WHY VINYL SOUNDS BETTER!!

Yes. Properly mastered vinyl releases didn’t have harsh high frequencies, they had dynamic range because you couldn’t limit the crap out of them without having them sound distorted, and the bass coalesced around the stereo image’s center, where it belongs. In fact, if you master with vinyl in mind, you just might find that those masters make CDs sound a whole lot better as well!