{"id":1953,"date":"2016-07-17T12:53:23","date_gmt":"2016-07-17T17:53:23","guid":{"rendered":"http:\/\/pugix.com\/synth\/?p=1953"},"modified":"2016-07-17T12:53:23","modified_gmt":"2016-07-17T17:53:23","slug":"step-sequencing","status":"publish","type":"post","link":"https:\/\/pugix.com\/synth\/step-sequencing\/","title":{"rendered":"Step Sequencing"},"content":{"rendered":"

I never developed much interest in note sequencing.\u00a0 In 5U the sequencers are generally large and expensive, too.\u00a0 Recently a friend (Chris Stack) brought over a Dave Smith Pro 2 to patch into my modular, just for fun.\u00a0 We used a sequencer in the Pro 2 to sequence the filter cutoff of a MOTM 440 VCF, one of Chris’s favorite techniques.\u00a0 The experience got me thinking about uses for sequences, other than standard repeating notes.\u00a0 So I set about studying Eurorack sequencer gear.\u00a0 I went looking for a very modular solution, one that separated the various functions into specialized modules.\u00a0 I came up with this set.<\/p>\n

Clocking<\/h4>\n

4ms Quad Clock Distributor<\/a><\/p>\n

4ms Quad Pingable LFO<\/a><\/p>\n

Trigger Sequencing<\/h4>\n

Iron Ether Pithoprakta Probabilistic Rhythm Generator<\/a><\/p>\n

Malekko Varigate 4 Gate sequencer<\/a><\/p>\n

CV Sequencer<\/h4>\n

Tiptop Audio Z8000 CV Sequencer<\/a><\/p>\n

Rationale<\/h3>\n

The 4ms QCD and QPL are a system in their own right for clock generation with synchronized LFOs.\u00a0 The QCD has a tap temp button, or takes an external clock, and has four channels of clocks that have voltage-controllable division and multiplication.\u00a0 The Quad LFO has many nice features, including a variable wave shape, muting, and it connects to the QCD for all the trigger inputs.<\/p>\n

The QCD alone can produce four clock signals in a simple manner.\u00a0 But I wanted to have trigger sequences with varying probability.\u00a0 The Pithoprakta and Varigate both provide probability, but they have very different philosophies.\u00a0 Pithoprakta provides eight pulse outputs, with CV control over probability.\u00a0 It also has a very cool feature of ‘looping’, which means that the last 64 actual outputs are always being recorded and the recorded values can be switched in at any time, with manual and CV control over the recorded sequence length.\u00a0 Varigate operates completely differently.\u00a0 It provides a slider for each step with the ability to manually alter the parameters of each step (of 4 separate sequences).\u00a0 Varigate has no CV inputs, and is aimed at live performance.\u00a0 A cool feature of Varigate is repeating of triggers within a step.<\/p>\n

The Z8000 takes in triggers and produces 10 simultaneous sequences, each with its own clock, direction, and reset input.\u00a0 The 10 sequences share values from a 16-knob matrix.\u00a0 So, since I have 8 outputs from Pithoprakta and 4 from Varigate, I can drive all 10 sequences and have them all in sync.<\/p>\n

New Oscillators!<\/h3>\n

I added two new oscillators from Noise Engineering.<\/p>\n

Loquelic Iteritas<\/a><\/p>\n

Sync Iter<\/a><\/p>\n

Where to put it all?<\/h3>\n

The Z8000 is a deep module.\u00a0 The only deep case I have is the Synthrotek.\u00a0 So I relocated the bottom row of modules to another case (previous post).\u00a0 This also left room to add the two new VCOs.<\/p>\n

\"sequencer-modules-box\"<\/a><\/p>\n

Some simple demo recordings<\/h3>\n

I set up two sequences, one for the L.I. and one for the S.I. oscillator, each also having a VCA driven by an envelope generator.\u00a0 Simple patch, just for demo.<\/p>\n

A sequence with Pithoprakta, showing off the looping mode, being switched manually.<\/p>\nhttps:\/\/pugix.com\/synth\/wp-content\/uploads\/2016\/07\/pithoprakta-demo.mp3<\/a><\/audio>\n

 <\/p>\n

A sequence with Varigate, showing off the repeating triggers.<\/p>\nhttps:\/\/pugix.com\/synth\/wp-content\/uploads\/2016\/07\/varigate-repeat-demo.mp3<\/a><\/audio>\n

 <\/p>\n

Another sequence with Varigate, with the Sync Iter in noise mode, also being modulated by a synchronized LFO.<\/p>\nhttps:\/\/pugix.com\/synth\/wp-content\/uploads\/2016\/07\/Varigate-NoiseEng-Demo.mp3<\/a><\/audio>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

I never developed much interest in note sequencing.\u00a0 In 5U the sequencers are generally large and expensive, too.\u00a0 Recently a friend (Chris Stack) brought over a Dave Smith Pro 2 … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":1944,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[161],"tags":[111,101,22],"class_list":["post-1953","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eurorack","tag-sequence","tag-sequencer","tag-vco"],"yoast_head":"\nStep Sequencing - Richard Brewster's Electronic Sounds<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pugix.com\/synth\/step-sequencing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Step Sequencing - Richard Brewster's Electronic Sounds\" \/>\n<meta property=\"og:description\" content=\"I never developed much interest in note sequencing.\u00a0 In 5U the sequencers are generally large and expensive, too.\u00a0 Recently a friend (Chris Stack) brought over a Dave Smith Pro 2 ... 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