Moog Spectravox Vocoder Filterbank

Available within a week

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so cool. Their semimodulars series is so creative

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seems really cool, but not even basic midi to play the carrier vco? oO

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Loopop’s Daft Punk vocoder thing… :joy: :+1:

This seems cool.

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This is the demo I needed. Sarah Belle Reid tends to really push the synths and showcase how weird and heady they can get. Also a good history lesson.

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all the hype from the Super Bowl leak and this is what’s delivered ? :sleeping:ZzzZZzzZZzz

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Harp lady also has a good video that’s not focused around the the typical vocoder stuff.

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I wonder how this feature-set lines up with a Verbos Bark Filter or Fraptools Fumana (or the Buchla spectral filter bank). Obiviously wouldn’t be anywhere near as feature-rich but curious regardless.

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Just watched yesterday the video TipTop Buchla spectral 206t module. This one is simpler, but still much more affordable…

One quick note on this comparison — Spectravox has a “Spectral Shift” control that lets you shift its filter frequencies up or down, as well as a built-in LFO tied to that parameter for easy modulation. On Fumana, Bark, etc. the filter frequencies are truly fixed, no way to adjust them.

As you mentioned, those modules of course have many other features, but it’s cool to see that Spectravox already brings something unique to the table.

For anyone interested in more filterbank comparisons, this recent video from @Stazma is a treat:

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Another comparison note — Spectravox is similar to Fumana in that there’s a secondary filterbank under the hood for signal analysis. You see the 10 filters on the panel, but there are another 10 matching filters that you don’t see. These secondary filters are used to process an input signal and map the spectral information to the 10 filters you see on the panel, which influence the carrier signal a.k.a. the sound you hear coming out. (Fumana has 16 filters on the panel and another 16 behind the scenes, so 32 total filters. What a beast.) The benefit of those invisible secondary filters is that you get the full resolution of your filterbank on your carrier signal — you can use all of your filters on the audio you hear, while your invisible filters take care of the analysis work.

To contrast, on the Bark Filter, there is no secondary filter bank, so any vocoding or signal processing has to be done through the filters on the front panel. That means you have to allocate half of your filters for analysis and the other half for filtering your audio signal — which means you really only get to use half of your filters in this kind of setup. (Bark has a switch that lets you route your Odd and Even filter bands for this purpose.) To be clear, the Bark Filter still sounds absolutely wicked, but it would probably not be your first choice to use as a vocoder (if clarity/resolution matters to you).

And another Fumana comparison — Spectravox has a “Hiss/Buzz” control to excite the highest frequency bands with noise, which further helps for clarity of the output signal (e.g. if you’re using it as a vocoder and you want some nice noisy emphasis on your “s” and “t” sounds). Fumana has an unvoiced input that can be used in a similar way.

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Whoah! This is pretty unexpected! It seems like only yesterday I was emailing Moog trying to persuade them to make this a full fledged product only to have them tell me (twice) that it wasn’t something they were considering. And now here it is. All that’s left is for me to perform the required budget gymnastics!

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This looks super cool. I especially love pinging those resonant filters. It sounds quite organic

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mega cool instrument but i’m not actually hearing anything too compelling in the videos/demos so far… will be great to hear what it can do once people have had more time with it.

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well, at least it’s an irresistible GAS to acquire the full bundle of 4 units…

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5 Units

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@Jukka Dang! There is no 5-tier-stand available :loopy:

I am happily surprised about this new semi-modular and excited to send all different sounds through it.

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I was just thinking about this exact thing while i was working out ( swimming ). No five tier stand or if there is that would be too high. You could go with a three high next to a two high, though then the patch bays are not adjacent unless you mount some of the units upside down.

( Notice how the Mavis has its connection on the left ? Maybe that’s a five and a half. )

Seems you need to take them and mount them in a Eurorack case somehow.

Somebody needs to offer a solution. :smile:

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Kind of surprised at the sound of the vocoder here… I’ve heard other 10 band analog vocoders and they sound dramatically more legible/musical. I mean I am sure it has its place with its features and what not but just not what I would have expected… and what loopop says about you better off with a digital vocoder while correct vs this, there are absolutely 10 band analog vocoders that sound amazing, so yeah not sure about that… maybe it is just the content of the demos.

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