Re: [LAD] Drivers for RME (USB) MADI device (Madiface XT)

2014-08-18 Thread Jonathan Woithe
On Mon, 11 Aug 2014 15:06:24 +0200 Adrian Knoth wrote: > On 08/11/14 05:47, D. Sen wrote: > > I was advised by Paul Davis to inquire on this list whether there has > > been or is likely to be any activity in developing ALSA drivers for the > > RME Madiface XT device. Its a USB device and as such ma

Re: [LAD] Optimisations

2014-08-18 Thread Fons Adriaensen
On Mon, Aug 18, 2014 at 06:11:33PM +0100, Will Godfrey wrote: > A long time ago ... in a land far away :) > I did some assembler programming on the Acorn Archimedes (ARM 2/3) and worked > out a series of additions and subtractions that would perform very fast > multiplication of awkward numbers by

Re: [LAD] Optimisations

2014-08-18 Thread Cedric Roux
On 08/18/2014 07:11 PM, Will Godfrey wrote: A long time ago ... in a land far away :) I did some assembler programming on the Acorn Archimedes (ARM 2/3) and worked out a series of additions and subtractions that would perform very fast multiplication of awkward numbers by known amounts. Is there

[LAD] Optimisations

2014-08-18 Thread Will Godfrey
A long time ago ... in a land far away :) I did some assembler programming on the Acorn Archimedes (ARM 2/3) and worked out a series of additions and subtractions that would perform very fast multiplication of awkward numbers by known amounts. Is there any point in doing this for C programs, or ar

Re: [LAD] [LAU] Ardour MIDI tracer

2014-08-18 Thread Rui Nuno Capela
On 08/18/2014 10:12 AM, Ralf Mardorf wrote: Qtractor the fader for synth plugins is pre everything ;), that's bad design, but I guess not the audio stream is controlled, but the synth volume. while on midi tracks, qtractor mixer/track faders simply deals midi channel volume (cc#7) and panning

Re: [LAD] [LAU] Ardour MIDI tracer

2014-08-18 Thread Fons Adriaensen
On Sun, Aug 17, 2014 at 06:34:25PM -0700, Len Ovens wrote: > I would think ((Gain+54)/64)*7f uses a lot less CPU time than a real > (proper) log. Think 8 fingers (plus thumbs?) fading around 80 steps in a > small time. Remember that this calculation has to be done at both ends too > and the receiv

Re: [LAD] [LAU] Ardour MIDI tracer

2014-08-18 Thread Ralf Mardorf
On Mon, 2014-08-18 at 11:00 +0200, Ralf Mardorf wrote: > On Sun, 2014-08-17 at 17:44 -0700, Len Ovens wrote: > > On a DAW, we sort of do this already by recording using the fader (and > > audio device gain) for trim and then mixing down using the fader for fine > > tuning. However, as I commented

Re: [LAD] [LAU] Ardour MIDI tracer

2014-08-18 Thread Ralf Mardorf
On Sun, 2014-08-17 at 17:44 -0700, Len Ovens wrote: > On a DAW, we sort of do this already by recording using the fader (and > audio device gain) for trim and then mixing down using the fader for fine > tuning. However, as I commented earlier, sometimes a harsh effect can > introduce the need to

Re: [LAD] [LAU] Ardour MIDI tracer

2014-08-18 Thread Ralf Mardorf
On Sun, 2014-08-17 at 08:24 -0700, Len Ovens wrote: On Sun, 17 Aug 2014, Ralf Mardorf wrote: > > > On Sat, 2014-08-16 at 09:45 -0700, Len Ovens wrote: > >> A quick thought on fineness of control. It is true that 127 levels > >> tends to "zipper". However, 127 levels is more than enough for static