Bounce Metronome Blog


HPET Driver should be ready soon for accurate sub millisecond timing in Bounce - preliminary testing results

Good news here about the timing issues. Jan Wassenberg has finished the HPET driver and I am currently testing it here. It is working fine, great in fact. Just about to try it with actual audio generation.

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Bounce Version 4.4 - Accessibility Updates for Blind Users, Wine Compatibility for Linux, & Sub Millisecond Precision Tweaking

Minor bug fix update 26th April 2013 - see bug fixes

Minor update 24th April 2013 - see Change log. - adds option to permanently hide the "Do you want to reset" message you normally get every time you change to a different metronome type in the drop list.

Bug fix update 20th April 2013 - see Change log.

With this new version 4.4.

  • you can run Bounce on Wine under Linux with close to 100% compatibility (only export of video directly to a file doesn't yet work on Wine of the features tested). See Wine compatibility report
  •  has better accessibility for blind users.
  • has sub millisecond timing available if you tweak it carefully.
  • Has several other new features and bug fixes since the most recent upload of the release on 18th February.

You can get the latest version from the download page.

Tips for Bounce under Wine on Linux : you may find it helps to install Qsynth (so you have a soundfont synth similar to the Microsoft GS wavetable synth). Also, it can help with any timing issues to use the low latency kernel for Linux. See Recomendations for Bounce on Wine under Linux

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Bounce Public Beta - Accessibility Updates for Blind Users, Wine Compatibility for Linux, & Sub Millisecond Precision Tweaking

With this beta, you can run Bounce on Wine under Linux. It has better accessibility for blind users (work in progress). And it now has sub millisecond timing available if you tweak it carefully. There are several other minor updates and minor new features.

April 14th: many minor edits, some new features and some bug fixes. This is a release candidate. I may release it very soon, possibly tomorrow. Details of the changes after the release.

You can download the beta here:

Since it is a beta, it installs into a separate folder by default. It won't interfere with your existing Bounce Metronome installation and also has its own separate uninstaller.

This is quite a major update  with simultaneous fairly large scale changes in several parts of the program. That's why I decided to release it first as a public beta. This is just for a short time hopefully, while I write up the changes so far, wait for feedback from keen users who are beta testing the new features, and fix any remaining issues.

I expect to do the release proper in a few days time.

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Music for sequences in the Online Encyclopedia of Integer Sequences

Youtube Video

Gijswijt's sequence (A090822 in the OEIS) as a melody with Tune Smithy

I've just recently made some videos of music for sequences in the OEIS. Most were sloth canon sequences, as that's what Tune Smithy can do most easily. But have also done a couple of sequences suggested by Neil Sloane.

This one, Gijswijt's sequence, I thought was particularly interesting rhythmically, so suitable to share here on the Bounce Metronome blog.

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Mandelbulb 3D fractal "Follow Me" by Torsten Stier with Golden Ratio 'cello tune from Tune Smithy

Play list as separate files

I've just recently experimented with using the Tune Smithy fractal tunes along with 3D fractals by others, made with Mandelbulber and Mandelbulb 3D, and this is the result - the audio for the first video is a fractal using a fibonacci rhythm (so no fixed measure size at any level).

The original for the first video is here:  Torsten Stier - "follow me!" It's a stunning video isn't it :). It's released under the CC By Share Alike license. All I did is to change the audio track for the video. The audio tracks used I release under the CC By license (see below) - though the demo tunes in Tune Smithy can be used without any attribution if you convert them to audio yourself.  

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Mac Santiago's Diminishing Click and Decreasing Click

Youtube Video

4/4 with decreasing click - fades away to silence every four measures

With his Decreasing Click shown in this vidoe, you play in the pocket at steady volume and also a steady tempo (despite decreasing click).

The aim is to stay "rhythmonous" with the click. Are still in the pocket with the click when it comes back on loud? From Chapter 1,  Lesson 5 of "Beyond the Metronome, becoming an Inchronous Musician" by Mac Santiago.

To set this up in Bounce Metronome

Choose Go Silent Briefly (Ctrl + 260) - in the Tempo drop menu. Switch on "Play then GO SILENT at Measures".  

Enter numbers of measures as
4 0
(plays for 4, silent for 0)

Switch on "Fade out from" & "Visual fade out from". Set both to fade out from 0%.

Diminishing Click

 The next one, his Diminishing Click is a far tougher exercise. You will almost certainly lose track of it at some point before the end (especially if you do it without looking at the visuals).

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Monday 18th February 2013 - upload for Bounce Metronome


18th February 

  • Adds Indian Notation to the drop list of note systems you see if you select Note Names 
  • Many improvements in the Bounce on Lyrics Metronome Type.
  • Adds SHIFT + RETURN to pause and resume a rhythm.
  • Improved version of black on white and white on black skins. Especially fixes some bugs in the white on black skin (e.g. it had the help and tool tipos still shown as black on white).
  • Easier to make folder into a skin slide show with new option: "Make FOLDER into SKIN SLIDE SHOW" to More (twice) version of Skin window

Many minor bug fixes 
See Change Log and Bug Fixes.

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Tuesday 5th February 2013 - "Mind boggling", and syncopated polyrhythms are easier to make - & new go silent briefly capabilities

Youtube Video

Polyrhythm 3:2 played as 2/6 : 3/4 - Nicely Mind Boggling but Simple Beginner's Polyrhythm - this is easier to make with the new upload - just set up a 3:2 polyrhythm and press the "Make Mind Boggling" button

This upload adds some new options to help with the "African style syncopated polyrhythms" and the "Mind boggling simple polyrhythms".

In the Go Silent Briefly (Ctrl + 260) window, you can now set it to go silent for half a measure (say) or any fraction of a measure. You can set it to fade out to silence and fade back in again (both sound and visually).

Also added support for custom note letters such as the ones for Indian note names in To Show, Sustain and controller (Ctrl + 123)

Also improved the layout of the Gradually Changing Tempo (Ctrl + 42) window, and added in some more options.

Also fixed several bugs in the Tempo and Rhythm Progressions (Ctrl + 245) window which only show up with some combinations of the settings in that window mainly to do with progressions that mix rhythms with different note values such as 4/4 and 3/16 etc, and fixed a fair number of other bugs (mostly minor).

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Sloth canons, Tune Smithy Fractal Tunes, and the connection with Per Nørgård's music

Youtube Video

One of the Tune Smithy fractal tunes - it is a sloth canon type melody - if you take every sixth note in the tune you get the original tune again

You get all the Tune Smithy fractal tunes as a bonus feature with the Pro metronome.

You may have seen the fractal tunes which you get in Bounce Metronome and Tune Smithy which are based on an endless strict sloth canon:: Fractal Tunes - hear your rhythms played with an endless continually changing melody line.It's a minor feature in Bounce naturally, since the focus is on rhythms, but it's actually the first of its features to be programmed. When I first wrote Tune Smithy in the late 1990s, it was to find a way to play these sloth canon type melodies on a computer - and Bounce originated as the polyrhythm metronome task in Tune Smithy..

So, anyway, I have just been told that the Danish composer Per Nørgård uses an endless self similar (fractal like) strict sloth canon structure in some of his compositions such as his Symphony number 2. He first discovered his sequence in 1959, so long before I got the idea of making sloth canon sequences for Tune Smithy.

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How Steady is Your Tempo? Can you keep a steady tempo for polyrhythms?

Youtube Video

Try 4:3 silent independently at different times in each rhythm 

 This is good fun, harder to do than it seems, latest of my "Go silent briefly" videos. You have to play in the pocket with the rhythm, and keep going through the silences, are you still in the pocket when the sound comes back on again? It should help with steadiness and independence and sensitivity to musical time. 

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