Updated: PreSonus burned the midnight oil to get ready. See bottom.

Word from developers confirms what I had suspected: developers were as surprised as we were to learn Apple was shipping a new operating system on August 30.

If you have to ask yourself whether you want to upgrade, then the simple answer is – don’t, not yet. And via Christopher Wimbrow on Twitter, here’s the first tool that we can confirm will outright break if you jump too soon – PreSonus hardware. From their forum, earlier today, PreSonus’ Nick RICK Naqvi tells a user (unofficially):

Right now, we are planning to have support for Snow Leopard by the end of October. We had originally heard they were going to release it in September, so our plan was to test it thoroughly and then release a new driver about 30 days later. They moved up the date to August 28 so it looks like we will be a little more than a week later than we expected.

Please note, if you update your OS, your PreSonus hardware will not work.

If you have to install it to play with, I’d recommend doing a partition. But leave Leopard on it so that you can continue to record.

Ouch. I’ll let you know if this gets fixed sooner. And remember, this is an operating system that is being tested under a Non-Disclosure Agreement; more incompatibilities are likely to appear next week.

This illustrates a problem, too. Shipping an application early is great news. Shipping an operating system early – with countless hardware and software vendors pulling time from other work (like new features) to keep their stuff working – not so great news.

Fortunately, you have power over your computer. Ignore that Apple email that appeared on Monday saying Snow Leopard is “In store or at your door Friday,” and consider it a bleeding-edge operating system. Assume that for most users, the current build of 10.5 represents the best compromise of Mac stability, compatibility, and features – at least for the time being.

UPDATE – PreSonus WILL have beta drivers. And like the vast majority of vendors, real stable versions are expected in a few weeks.

Earlier in the week, I was told that we weren’t going to have Snow Leopard driver until October, but our engineers worked overtime the last week or so to release a beta driver that is fully functional. We have tested it internally and it is working well and allows for daisychaining of interfaces and full feature functionality. This driver will work with all of our Firestudio Family Interfaces including:

Firestudio 2626
Firestudio Project
Firestudio Lightpipe
Firestudio Tube
Firestudio Mobile
StudioLive1642

Our other interfaces are class compliant and are going to be immediately supported on Snow Leopard:

Firebox
Inspire1394
FP10 / Firepod
AudioboxUSB

Lastly, our new recording software, StudioOne is also ready for Snow Leopard. Here’s a link to the StudioOne page: http://www.presonus.com/products/SoftwareDetail.aspx?SoftwareId=11

If you are an early adopter, let us know your experiences.

I love the sound bugs make when you squish them under a solution.

AlexP, whose blog is also a great source for multitouch and the Sony PS3 Eye Camera and Windows drivers we used in the recent hackday, has been diagnosing his MacBook under Windows Vista. Hardware problems are often the source of sound blips on computers. I’ve talked previously about using the DPC Latency Checker to find this issue.

The good news: Alexander has found the problem (the Broadcom Wireless Adapter in some Apple MacBooks) and a solution (switching off Windows’ automatic wireless network search when you don’t need it). I actually wonder if a similar problem was culpable in early problems with network WiFi on Mac OS X Leopard. Whatever is going on, check out the fix here if you’re encountering this problem. And let us know if you’re seeing this on machines other than just the MacBook revision F; I’d imagine any PC with a similar wireless adapter might have the issue:

MacBook Rev. F Audio Skipping in Vista Analysis and Solution – Part 2

And yes, hardware/driver problems may frequently manifest as what Windows terms DPCs – basically, a symptom of hardware usage that can interfere with reliable audio performance. I’m curious whether WiFi connections specifically may be a cause in other cases. The problem is almost certainly not limited to computers from Apple – especially since, in this case, the MacBook is just behaving like any PC laptop with similar specs.

Is your MacBook Pro a rightie?

Something’s going on with the one or two left-hand USB ports on all MacBook Pros. I’ve heard some issues with hard disks, and now some problems with audio. (Controllers are evidently just fine.) The solution: use the right-hand USB port for audio instead.

Updated: Reader Adam suggests that this is probably due to a difference in power delivered to the respective ports. USB audio requires more power, and so odds are you’re under-delivering on the left-hand ports. I’m inclined to think that this is exactly what’s going on – unless someone knows something else. (Easy way to test: try plugging in the power adapter. Note that this can be an issue with FireWire, too.)

In fact, even if for some reason M-Audio has found another reason behind this, Andy Ihnatko noted the issue with different USB ports and power variation way back in 2008. It affects non-Pro MacBooks, and I expect likely many PCs, too.

The MacBook. All USB Ports Are Not Equal [Wired Gadget Lab]

M-Audio (now Avid) has gone as far as to tell its customers officially to avoid the use of that port for audio entirely. Native Instruments forum users have evidently had similar discussions. Via matt_bot on Twitter:

The use of USB Audio Devices on the Left-Hand USB Port Is Not Recommended.  This applies to ALL MacBook Pro Models (Core Duo and Core 2 Duo).

•    The 15" MacBook Pro models have 1 USB port on the left side, and one USB port on the right side.
•    The 17" MacBook Pro models have 2 USB ports on the left side, and one USB port on the right side.

Computers speak digital signal. Analog synths and modulars speak control voltage. (It’s sort of a “men are from Mars, women find these metaphors insulting” kind of situation.)

What if you could bridge the two elegantly and graphically, using a drag-and-drop, modular interface with calibration and control features? MOTU has developed a solution called Volta. It’s a plug-in that turns your audio interface into a control voltage device. It works with all MOTU audio interfaces that have quarter-inch outputs, and MOTU intends to make it work with any 3rd-party audio interface with DC-coupled quarter-inch outs.

In other words, one software plug-in does more than what a similar module would do, more easily, more elegantly, all from your Mac. It makes your computer a powerful tool for analog synths in a way that it hasn’t been before – arguably in a way that even digital synths can’t approximate.

I’m pleased to welcome Matthew Davidson of MOTU in a CDM exclusive on Volta’s launch. He describes in detail what Volta is about, and why MOTU developed it.

All photos courtesy MOTU.

A video demo follows, as well.

What is Volta?

Volta is software; a virtual instrument that turns your audio interface into a voltage control interface. Anything with a control voltage (CV) input can be automated from your DAW with Volta. This includes modulars, analog mono synths and even effects processors like the moogerfoogers.

Volta provides access to the automation system of your DAW through ramps. You can draw in whatever whacky timeline based automation you desire and use this high resolution data to control anything with a CV input. No stair-stepping or zipper noise. You can also route any MIDI controller to control voltages. Volta provides audio-rate rendered software LFOs, step and trigger sequencers.

Each instance of volta supports up to 24 slots of outputs, and you can have as many instances of Volta as your hardware allows. For example, a MOTU PCI-424 system with four 24io interfaces provides 96 channels of output.

Of course, you can also use Volta to send note information. MIDI information goes in, and control voltages go out. All control signals are running at audio rate, and MIDI note playback is pre-buffered. This provides sample accurate timing of your external hardware.

Today is set to be an orgy of computer music-y, Abletronic, drum machine-loaded, Max-patching news, so let’s throw one out to the guitarists. IK Multimedia has two new announcements today that are actually quite cool. The StealthPedal is a Wah pedal that’s actually an audio interface, sort of like a James Bond pen that’s also a gun. And IK also landed the only official Fender-endorsed software amp emulation.

Here’s a quick look at the specs. By the way, I’ve consulted everyone I know (especially as I’m not a guitarist), and basically what we’ve come up with is that a whole bunch of the guitar emulations out there (Apple, IK, NI, and Waves) are pretty damned good. Apple recently upgraded their own guitar emulations, meaning even what you get in GarageBand ‘09 is a big leap forward (and I have it on good authority that they sound terrific). NI has a guitar announcement coming later today, too. I’d choose based on taste, basically; each has a unique personality.

AmpliTube Fender

• 12 Fender guitar amps (Twin Reverb, ‘59 Bassman LTD, Super-Sonic, Metalhead)
• 12 matching cabinets
• 9 microphones
• 6 stomp effects, 6 rack effects (tape echo, Fender reverb, fuzz/wah, triangle flanger, wah, the works)
• Digital tuner, stomp pedal board, amp head, cabinet plus mic, rack effects. (Here’s one point of differentiation: NI, for instance, has more toys here; IK plays it a little more conventionally; that’s a matter of taste.)
• SpeedTrainer, RiffWorks T4 recording included
• “Certified” by Fender
• US$229.99 for the full set, or get the LE (4 amps, 5 cabinets, 2 stomp, 2 mic, 2 rack FX) with the StealthPlug USB audio interface for US$139.99
• Available late February

It’s a pretty stunning deal if you’re a Fender fan.

http://www.amplitube.com/fender

Stealth Pedal

• Looks like a wah pedal – same form factor
• Works as a controller (it’s basically an assignable expression pedal)
• Comes with a double foot switch, and you can optionally add a second expression pedal via a foot input
• Also a USB audio interface (24-bit, 44.1/48)
• “Low-noise” input stage
• Headphone out, volume control, LEDs for use as a tuner or level indicator
• ASIO PC, Core Audio Mac drivers
• Software bundle
• US$269.99
• Available late April

This looks just incredibly functional for someone wanting something compact. There have been controller/audio interface bundles before from IK, NI, and others, but this you can throw easily in your case.

http://www.stealthpedal.com