kunstmusik.comSteven Yi – Composer, Performer, Developer

Steven Yi Composer, Performer, Developer Menu Close Blog Open menu csound Blue General Memories Music Contemplations Tai Chi Compositions Music I have composed Tai Chi Csound Programs About Me Donations Eulerroom Equinox: Live Code Performance I had the great pleasure to perform as part of the Eulerroom Equinox live coding event yesterday. It has been an amazing four days of live code streams from around the world and I’m grateful to the organizers for their incredible work putting this all together. Bravo to everyone and thanks to all of the incredible performers and presenters, very inspiring! Published March 22, 2020 Categorized as csound , General Tagged csound , live code Live Code: Organ 2020-03-17 Live coding organ rhythms using hex, osc, shift, and mod. Published March 17, 2020 Categorized as csound , General Tagged csound , live code Live Code: 2020-03-16 Live code music session using hex beats, event-rate oscillators, bitshifts, and modulus operations. Uses csound-live-code and Dirt Sample set . Published March 16, 2020 Categorized as csound , General Tagged csound , live code Web Audio Conference 2019 I was very happy to attend and present at this year’s WebAudio Conference . The NTNU did an incredible job hosting and organizing the event and there was a great variety of research presented. I was noting to myself throughout the conference how it seems to get better each year for both the software and technology shown and the musical performances performed. I think it’s a sign of the level of maturity of the browser platform as a whole that it can support high-level musical work today. For those who might be interested, all of the sessions were recorded and streamed online. Archives are available here . For my own work, I presented on the Csound-WebIDE here: (Note: I misspoke about Chowning’s work and said parallel carrier, single modulator” when I should have said parallel modulator, single carrier”.) I also participated in the jam session by live coding with Csound here: Great to see old friends and meet new ones. I hope to make it to next year’s conference in Barcelona! Published December 8, 2019 Categorized as General Tagged csound Sound Design: Ring Mod with low-frequency modulations Audio example of Ring Modulation with low-frequency modulations Csound Code + MP3: ringmod_modulations.zip Download Experiments with complex ring modulation and low-frequency modulations for sound design. Each ring modulation generates sidebands for the previous signal and with four ring modulations up to 16 frequencies could be generated. Modulating with ring modulation leads to interesting, synthetic sounds due to the ratios of frequencies changing over time. Having multiple orders of ring modulations allowed for interesting patterns of spectrums to develop (see spectrogram). Spectrogram from Audacity (2048 bin size, 0-16000 Hz, linear) This example has two instruments, RM1 and RM2. RM1 uses exponential envelopes to start and end at harmonic ratios but has different rates of change due to different starting ratios. (Mentioned here as ratios since the outputs are being used to multiply the p4 base frequency.) RM2 is a variation on RM1 and uses a sawtooth LFO for one of the modulations. Both use a high-pass filter to remove frequencies generated below the base frequency. The score plays a pattern with RM1 twice, once with 0.5 durations and again with 0.25 durations. This sounded to me like they could be used as a simple laser sound in a game or as a component of more complex laser sound design. The score then has a 20 second long note for RM2 that gives it enough time to hear the evolving frequency patterns. Published October 20, 2019 Categorized as csound Tagged csound , sound design Sound Design: FM with Modulations Audio Example of Complex FM sound with modulations to indices Csound Code + MP3: fm_with_modulations.zip Download Complex FM (4 operator, what Chowning and Bristow calls Parallel Carrier, Independent Modulator in FM Theory and Applications”). The two operator stacks are using 4:2 and 1:1 C:M ratios. expseg envelopes are used to modulate the overall shape of indices and unipolar square lfo’s are used for an additional layer of modulation. I thought the 12 and 3 Hertz for the lfo’s gave some nice texture between the two layers. I think it probably works best in the low end to middle of the frequency range. The result using pch of 5.00 reminded me of things heard in some progressive house tracks. Published October 13, 2019 Categorized as csound Tagged csound , sound design randcubic glissandi: random line with cubic interpolation Audio example of randcubic used for glissandi randcubic_glissandi.zip Download Custom Csound user-defined opcode randcubic to generate cubic interpolated lines. Example above uses randcubic for achieving time-varying glissandi with multiple voices. Based on code from http://paulbourke.net/miscellaneous/interpolation/ . Code for UDO is as follows: opcode randcubic, a,kk kamp, kfreq xin ky0 init random:i(-1, 1) ky1 init random:i(-1, 1) ky2 init random:i(-1, 1) ky3 init random:i(-1, 1) kcount init 0 asig init 0 kperiod = sr / kfreq kndx = 0 while (kndxksmps) do ka0 = ky3 - ky2 - ky0 + ky1 ka1 = ky0 - ky1 - ka0 ka2 = ky2 - ky0 ka3 = ky1 kmu = kcount / kperiod kmu2 = kmu * kmu asig[kndx] = ka0 * kmu * kmu2 + ka1 * kmu2 + ka2 * kmu + ka3 kcount += 1 if(kcountkperiod) then ky0 = ky1 ky1 = ky2 ky2 = ky3 ky3 = random:k(-1, 1) kcount -= kperiod endif kndx += 1 od asig *= kamp xout asig endop Published September 23, 2019 Categorized as csound Tagged csound Live Code: 2019-09-18 Live code music session using hex beats, event-rate oscillators, bitshifts, and modulus operations. Published September 22, 2019 Categorized as csound , General Tagged csound , live code Live Code: 2019-08-14 Live code session using left-shift patterns and double modulus constraints. (First time using OBS on a new Mac, video is slightly behind the audio…) Published August 25, 2019 Categorized as csound , General Tagged csound , live code Life is Beautiful https://t.co/6oeRuGJxan by @kunstmusik – Life is Beautiful” pic.twitter.com/BfpfZuDUig — hydra patterns (@hydra_patterns) July 24, 2019 Working with Hydra this past week has been quite a joy. This visual has been one of my favorites so far, a slowly evolving pattern that grows and grows in richness and complexity. So alive and so beautiful. Published July 23, 2019 Categorized as Visual Posts navigation Page 1 … Page 29 Older posts Search… Recent Posts Eulerroom Equinox: Live Code Performance Live Code: Organ 2020-03-17 Live Code: 2020-03-16 Web Audio Conference 2019 Sound Design: Ring Mod with low-frequency modulations Recent Comments Steven on Csound Live Code Practice: Meditative Melodic Bitshift Patterns Phil Jones on Csound Live Code Practice: Meditative Melodic Bitshift Patterns Steven on Lockhart Wavefolder Fabian on Lockhart Wavefolder Jean Argenty on Additive Pitch Rhythms Using Hexbeat Archives March 2020 December 2019 October 2019 September 2019 August 2019 July 2019 June 2019 May 2019 March 2019 September 2018 August 2018 July 2018 March 2018 January 2018 December 2017 October 2017 September 2017 April 2017 November 2016 August 2016 May 2016 September 2015 July 2015 March 2015 February 2015 November 2014 September 2014 August 2014 July 2014 June 2014 March 2014 February 2014 October 2013 September 2013 July 2013 November 2012 October 2012 July 2012 June 2012 May 2012 March 2012 February 2012 December 2011 November 2011 October 2011 August 2011 July 2011 April 2011 February 2011 November 2010 September 2010 June 2010 May 2010 April 2010 March 2010 December 2009 October 2009 September 2009 July 2009 May 2009 February 2009 January 2009 December 2008 November 2008 October 2008 September 2008 July 2008 June 2008 May 2008 March 2008 February 2008 December 2007 November 2007 October 2007 September 2007 August 2007 July 2007 May 2007 April 2007 March 2007 February 2007 January 2007 December 2006...