Panning, Delay, and Synth Arpeggiation set to a metronome

Hey guys,
Is there any way to take panning, delay,
and arppegiation effects and set them to
a metronome?
If I have a certain beat (ie. 125), I want to
make sure any syncopated effects are in time.
Thanks,
--Sean

Alien Implant wrote:
I'd be interested in what you experience if you try my scenario as I described >it, with the Logic compressor on a bass track with the sidechain pointing at a >bus with an Aux channel (any output other than the instrument mains) of Ultrabeat >loaded as a multi-instrument (12 or 16 outputs or whatever max it allows).
Well, I created the same conditions with UB using three drum pads - Kick, ClosedHH and OpenHH routing them as Auxes from the multichannel UB instance.
The Kick Aux is routed thru Bus 1 feeding the sidechaing of the Bass (ES1) Compressor, while the Closed HH feeds the sidechain of the (ES2) Noise Gate chopping the ES2 strings patch.
I exported a short non-voice over video just to show you that there are no timing side-chain issues ( this is most audible with the Nose Gate strings chopping ). Have a look at the video below.
*Sidechain Timing test* - [QUICK VIDEO|http://audiogrocery.com/video/sidechain_test.zip]
!http://img59.imageshack.us/img59/4967/aglogo45.gif!

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I've imported some midi tracks, used the mixer to set pan, volume etc, but when I stop playback and restart it sets every midi track back to '0'. I've been using LE for years, this is a new one, any ideas?

I've imported some midi tracks, used the mixer to set pan, volume etc, but when I stop playback and restart it sets every midi track back to '0'. I've been using LE for years, this is a new one, any ideas?

Hi,
that's because Logic reads the volume information out of the imported MIDI tracks and sets the volume fader according to this information. The MIDI information overrides volume settings you have done, so you have to identify the MIDI events that contain volume (or expression or pan or whatever) information and delete them. You can use the event list editor for this.
Fox

How to set input delay and output delay when source Synchronous

ClkIN is the board clock which is connected to the FPGA. Clkif is the generated clock from ClkIN. The Device's clk come from Clkif. So, how to set input delay and output delay in this scene(within my understand, this is Source Synchronous)?
The example in many document, the input delay and output delay setting all refer to board clock(within my understand, this is System Synchronous). In that scene, the input delay max = TDelay_max + Tco_max; input delay min = Tdelay_min + Tco_min; the output delay max = Tdelay_max + Tsu; output delay min = Tdelay_min - Th.
So, I want to know how to set input/output delay in the Source Synchronous.
In system synchronous, I set input/output delay such as:
create_clock -period 20.000 -name ClkIN -waveform {0.000 10.000} [get_ports ClkIN]
create_generated_clock -name Clkif -source [get_pins cfg_if/clk_tmp_reg/C] -divide_by 2 [get_pins cfg_if/clk_tmp_reg/Q]
create_clock -period 40.000 -name VIRTUAL_clkif //make virtual clock
set_input_delay -clock [get_clocks VIRTUAL_clkif] -min 0.530 [get_ports DIN]
set_input_delay -clock [get_clocks VIRTUAL_clkif] -max 7.700 [get_ports DIN]
set_output_delay -clock [get_clocks VIRTUAL_clkif] -min -0.030 [get_ports DOUT]
set_output_delay -clock [get_clocks VIRTUAL_clkif] -max 1.800 [get_ports DOUT]
*******************************************************************************************

So, first. Architecturally, the clock that you forward to your external device should not come directly from the clock tree, but should be output via an ODDR with its D1 input tied to logic 1 and the D2 tied to logic 0. This guarantees minimal skew between the output data and the forwarded clock.
ODDR #(
.DDR_CLK_EDGE("OPPOSITE_EDGE"), // "OPPOSITE_EDGE" or "SAME_EDGE"
.INIT(1'b0), // Initial value of Q: 1'b0 or 1'b1
.SRTYPE("SYNC") // Set/Reset type: "SYNC" or "ASYNC"
) ODDR_inst (
.Q (Clkif_ff), // 1-bit DDR output
.C (ClkIN_BUFG), // 1-bit clock input
.CE (1'b1), // 1-bit clock enable input
.D1 (1'b1), // 1-bit data input (positive edge)
.D2 (1'b0), // 1-bit data input (negative edge)
.R (rst), // 1-bit reset
.S (1'b0) // 1-bit set
OBUF OBUF_inst (.I (Clkif_ff), .O (Clkif_out));
This generates an output clock that is the same frequency as your input clock. This is consistent with your drawing, but inconsistent with your constraints - is the forwarded clock a 50MHz clock or a 25MHz clock?
I will assume your ClkIN goes to a BUFG and generates ClkIN_BUFG. Your first constraint generates a 50MHz clock on the ClkIN port which will propagate through the BUFG to (among other places) this ODDR.
create_clock -period 20.000 -name ClkIN -waveform {0.000 10.000} [get_ports ClkIN]
Assuming your forwarded clock is supposed to be 50MHz, then your 2nd command is close to correct
create_generated_clock -name Clkif -source [get_pins cfg_if/ODDR_inst/C] -combinational [get_pins cfg_if/ODDR_inst/Q]
With this done, you have successfully described the forwarded clock from your design. This is the clock that goes to your device, and hence should be the clock which is used to specify your input and output constraints.
set_input_delay -clock [get_clocks Clkif] -min 0.530 [get_ports DIN]
set_input_delay -clock [get_clocks Clkif] -max 7.700 [get_ports DIN]
set_output_delay -clock [get_clocks Clkif] -min -0.030 [get_ports DOUT]
set_output_delay -clock [get_clocks Clkif] -max 1.800 [get_ports DOUT]
If you want to get fancier, you could try adding a set_clock_latency to the forwarded clock to account for the board propagation of the clock
set_clock_latency -source TDtrace2 [get_clocks Clkif]
(But I haven't experimented with clock latency on a generated clock and I don't know for a fact that it works).
Avrum

Classical Orchestral Sound: Panning, EQ, and Convolution Filters

Hi,
I'm now studying the sections of the rather large, but quite informative
book, The Guide to MIDI Orchestration, 3rd Edition, by Paul Gilreath
to obtain details about how to use my non-ambient, dry samples of
the orchestra to create a true, classical orchestra sound (not a
hollywood sound), though my music is not 19th-century classical.
I'm also studying the Apple Logic Pro plug-in book concerning the
convolution filter, Space Designer.
Being a beginner, my learning curve is rather slow. But, I am feeling
more and more confident. And, this confidence is boosted by the
fact that I have a 3.0 gHz Mac Pro that can handle, most likely,
the processing required.
I post this thread to see if there are others who might have similar
goals and might have hints or ideas on this topic.
For instance, does anyone out there go through the details of
panning to place the instruments of the orchestra in their
correct locations?
Does anyone lower the EQ of the percussion section because they
are placed further back in the orchestra?
Does anyone deal with the details of singling out a particular section
of the orchestra and consider "delaying" the sound, such as the
percussion section, or perhaps the French Horns? If so, how do you
achieve this? Do you use a plug-in for each section, or single out
some sections for a plug-in, and plug every other section into another
plug-in?
So, if you all have any experience in these matters, or some "best settings"
for some of these panning, EQ, and convolution filters (or even simple
reverb plug-ins), I'd love to read about your experiences while I
continue to study my books.
Thanks,
Sys6
P.S.
My orchestra is almost all non-ambient samples. Garritan Orchestral
Strings. Westgate Studios Advanced Woodwind Collection. And,
a new dry, brass collection which has not yet been delivered. My
percussion is Apple Garage Band percussion (which I'm assuming is
relatively dry).

Hi,
Here are some details of my set-up. I continued to read the MIDI
Orchestration book, and the Logic Pro manuals where applicable.
I set everything up, and then I visited the above links to read them
in more detail, to see how they solved the problem. First, I don't pretend
to have "solved the problem", but this is my first start.
Following the MIDI orchestration book, I discovered that my Garritan
Orchestral Strings were in Stereo, so I used them in stereo, specifically
using the insert, Direction Mixer.
Violins I and II, Violas, have a Direction Mixer spread of 1.3. Following
the book, the Celli and Bassi were given a Direction Mixer spread that
was wider, and I chose 1.5.
I made all the brass monophonic, and used the pan pot on the bus.
My Westgate Studios Advanced Woodwind Collection is mono, so
again I used the pan pot on the bus.
The percussion samples (piano, harp, timpani, and everyone else)
are stereo, so I used dirmix also.
For the most part, each section of the orchestra, such as either
Violins I or oboes (and English Horn), each feed into their own
bus. So, every section can be panned using the pan pod if
they are mono, or using dirmix otherwise.
Every section of the strings feeds into another bus dedicated to strings.
Every brass section feeds into a similar bus dedicated to brass.
The same for woodwinds, but there are two buses: one for the
front woodwinds (flute family and oboe family) and one for the
woodwinds sitting behind them (clarinet family and bassoon family).
For some of the percussion: timpani and other miscellaneous
percussion, for now, these go to their own bus. Also, piano
and harp go to a pianoAndHarp bus. Tubular Bells,
Marimba, and Xylophone share a bus. All these sub buses use
dirmix for stereophonic spread and panning, all all these sub buses
feed into a master percussion bus.
Everyone audio instrument has its individual volume level set to
-15 db. I may go over every instrument again and make it even
lower, such as -20 db.
There are six master buses (nearly at the top of the food chain):
1. String Bus.
2. Woodwind Bus Front
3. Woodwind Bus Back
4. Piano Harp Bus
5. Brass Bus
6. Percussion Bus
Each of these higher-level buses received one insert: Space Designer
(a convolution reverb unit).
And, for each, Space Designer (at least at this time), is practically
identical: that is, I chose
33 Misc. Reverbs > Misc. Reverbs - Short Dark > 1.5s_Dark & Small
which I like (for now, for chords anyway; later I may need a smaller
room for music with notes moving at a faster clip and for music
that is more chromatic).
There is one parameter that differs for each of these six Space
Designer inserts:
1. String Bus: Pre-Delay 0 ms
2. Woodwind Bus Front: Pre-Delay 1 ms
3. Woodwind Bus Back: Pre-Delay 2 ms
4. Piano Harp Bus: Pre-Delay 3 ms
5. Brass Bus: Pre-Delay 4 ms
6. Percussion Bus: Pre-Delay 5 ms
Other parameters may differ over time. For instance, space designer
seems pretty clever, it can add a pre-delay, it looks like it can
act as a low pass filter, and so forth. So, maybe, over time, I might
use it as a low pass filter for the percussion section, not sure yet
(hard to tell, since my percussion section is not very good, it is
Apple Jam Pack Orchestra).
All these six busses feed into a final bus, which at this time
does nothing, but pass everything on to Output 1-2.
I focused my musical chords to be very soft or very loud in
the score editor.
That is, the goal is not to have the final mix exceed 0 db.
Unfortunately, I failed in this regard, for in a rather loud
section (at the end of the above sound file), the chimes played
loudly brought me over the 0 db level. So, for now, I turned
down the bus that these chimes feed into. There are other
more advanced solutions, but for now, I am focusing on
simple solutions (though I am always happy to hear about
advanced solutions which I may implement at a later date).
Over time, of course, I may adjust pannings, stereo pan width,
and the like. But, being a beginning "sound recording engineer,"
I am impressed with the results! Wow!
As an aside, each of my 3.0 gHz processors is being used;
two are used for effects processing (such as for the 6 Space
Designer plug-ins), and two are being used for audio processing.
No disk activity occurs (I use the latest Lacie external drive, the
biggest I could find, and perhaps it is buffering enough files
so that the drives are never accessed?).
Thanks again, if there are other details I have left out, I'll
update.
Sys6

Read-Through Caching with expiry-delay and near cache (front scheme)

We are experiencing a problem with our custom CacheLoader and near cache together with expiry-delay on the backing map scheme.
I was under the assumption that it was possible to have an expiry-delay configured on the backing-scheme and that the near cache object was evicted when backing object was evicted. But according to our tests we have to put an expiry-delay on the front scheme too.
Is my assumption correct that there will not be automatic eviction on the near cache (front scheme)?
With this config, near cache is never cleared:
             <near-scheme>
                  <scheme-name>config-part</scheme-name>
                  <front-scheme>
                        <local-scheme />
                  </front-scheme>
                  <back-scheme>
                        <distributed-scheme>
                              <scheme-ref>config-part-distributed</scheme-ref>
                        </distributed-scheme>
                  </back-scheme>
            <autostart>true</autostart>
            </near-scheme>
            <distributed-scheme>
                  <scheme-name>config-part-distributed</scheme-name>
                  <service-name>partDistributedCacheService</service-name>
                  <thread-count>10</thread-count>
                  <backing-map-scheme>
                        <read-write-backing-map-scheme>
                              <read-only>true</read-only>
                              <scheme-name>partStatusScheme</scheme-name>
                              <internal-cache-scheme>
                                    <local-scheme>
                                          <scheme-name>part-eviction</scheme-name>
                                          <expiry-delay>30s</expiry-delay>
                                    </local-scheme>
                              </internal-cache-scheme>
                              <cachestore-scheme>
                                    <class-scheme>
                                          <class-name>net.jakeri.test.PingCacheLoader</class-name>
                                    </class-scheme>
                              </cachestore-scheme>
                              <refresh-ahead-factor>0.5</refresh-ahead-factor>
                        </read-write-backing-map-scheme>
                  </backing-map-scheme>
                  <autostart>true</autostart>
                  <local-storage system-property="tangosol.coherence.config.distributed.localstorage">true</local-storage>
            </distributed-scheme>With this config (added expiry-delay on front-scheme), near cache gets cleared.
        <near-scheme>
                  <scheme-name>config-part</scheme-name>
                  <front-scheme>
                        <local-scheme>
                             <expiry-delay>15s</expiry-delay>
                        </local-scheme>
                  </front-scheme>
                  <back-scheme>
                        <distributed-scheme>
                              <scheme-ref>config-part-distributed</scheme-ref>
                        </distributed-scheme>
                  </back-scheme>
            <autostart>true</autostart>
            </near-scheme>
            <distributed-scheme>
                  <scheme-name>config-part-distributed</scheme-name>
                  <service-name>partDistributedCacheService</service-name>
                  <thread-count>10</thread-count>
                  <backing-map-scheme>
                        <read-write-backing-map-scheme>
                              <read-only>true</read-only>
                              <scheme-name>partStatusScheme</scheme-name>
                              <internal-cache-scheme>
                                    <local-scheme>
                                          <scheme-name>part-eviction</scheme-name>
                                          <expiry-delay>30s</expiry-delay>
                                    </local-scheme>
                              </internal-cache-scheme>
                              <cachestore-scheme>
                                    <class-scheme>
                                          <class-name>net.jakeri.test.PingCacheLoader</class-name>
                                    </class-scheme>
                              </cachestore-scheme>
                              <refresh-ahead-factor>0.5</refresh-ahead-factor>
                        </read-write-backing-map-scheme>
                  </backing-map-scheme>
                  <autostart>true</autostart>
                  <local-storage system-property="tangosol.coherence.config.distributed.localstorage">true</local-storage>
            </distributed-scheme>

Hi Jakkke,
The Near Cache scheme allows to have configurable levels of cache coherency from the most basic expiry based cache to invalidation based cache to data versioning cache depending on the coherency requirements. The Near Cache is commonly used to achieve the performance of replicated cache without losing the scalability aspects of replicated cache and this is achieved by having a subset of data (based on MRU or MFU) in the <front-scheme> of the near cache and the complete set of data in the <back-scheme> of near cache. The <back-scheme> updates can automatically trigger events to invalidate the entries in the <front-scheme> based on the invalidation strategy (present, all, none, auto) configured for the near cache.
If you want to expire the entries in the <front-scheme> and <back-scheme>, you need to specify an expiry-delay on both the schemes as mentioned by you in the last example. Now if you are expiring the items in the <back-scheme> for the reason that they get loaded again from the cache-store but the <front-scheme> keys remain same (only the values should be refreshed from the cache store) then you need not set the expiry-delay on the <front-scheme> rather mention the invalidation-strategy as present. But if you want to have a different set of entries in <front-scheme> after a specified expiry delay then you need to mention it in the <front-scheme> configuration.
The near cache has the capability to keep front scheme and back scheme data in sync but the expiry of entries is not synced. Always, front-scheme is a subset of back-scheme.
Hope this helps!
Cheers,
NJ

Pan settings and sometimes volume levels change during playback

pan settings and sometimes volume levels change during playback without my touching them in Logic X! I haven't set any automation and strangely a similar thing happened to some plug-ins i used in pro tools m-powered. Any ideas as to why this is happening would be greatly appreciated? Cheers

pan settings and sometimes volume levels change during playback without my touching them in Logic X! I haven't set any automation and strangely a similar thing happened to some plug-ins i used in pro tools m-powered. Any ideas as to why this is happening would be greatly appreciated? Cheers

Pan No and PF account no displayed on payslip

Hey guys,
What are the steps I need to follow for the Pan no and PF account no to be displayed on the payslip?
Regards,
Ally

Hi ,
In the single feild window you can always mention the Table name P0185
you need to go to the following config
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Where to find undefined symbol delay and drv_usectohz

Hello,
i use WS6U1 on Solaris 5.8 and i try to use the kernel function delay (example see "man delay").
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Hi,
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I can't setup delay and speed for my Keyboard on Gnome3.

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Image: http://i54.tinypic.com/1zwcc4g.png
Last edited by KingYes (2011-06-26 17:00:57)

it looks weird. Could be video card driver related.
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amirite?

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Let me explain with example,
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Happy to help!

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Panning, Delay, and Synth Arpeggiation set to a metronome

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