Disklavier

Piano Receive Channel set to ##, first impression: Listening through the headphones to the internal samples gives accurate playback almost without slurring.

When I listen to the Oscar Peterson ZENPH take of Tenderly there is a subtle difference between the block chords played from internal memory and via MIDI from the laptop (new HP with Vista > vanBasco’s > Edirol ) that seem a bit more “arpeggiated”. It’s a subtle difference and I would be curious if members of the forum could also hear the difference. It might be in my mind….

Kind regards

Dirk Veldhorst

Van: disklavier@yahoogroups.com [mailto:disklavier@yahoogroups.com]Namens George F. Litterst
Verzonden: zondag 13 april 2008 15:31
Aan: disklavier@yahoogroups.com
Onderwerp: [disklavier] Delay In feature

Good morning, everyone.

I asked about whether the Delay In feature was on because it provides
the buffering to which Spencer alluded.

I would not be surprised if playback sounded a little sloppy, rough,
or even bad if the Delay In feature was off. How problematic it would
be would depend upon the nature of the MIDI data.

It is true that MIDI playback from disk or internal memory is--in
theory--more accurate than playback over a MIDI cable. This is ;
especially true if there are events in the MIDI file that happen on
exactly the same clock tick. However, the transmission of the MIDI
data stream is extremely fast, and I believe that very few people will
notice the different between playback of ordinary MIDI data from an
external source compared to an internal source.

It sounds to me as though Dirk has a real problem, but we don't yet
know if it is with his Disklavier or with his external sequencer.

Dirk, what happens if you set the Piano Receive Channel to ##? When
you do this, the piano will not play any of the incoming MIDI data and
all of it will go to the internal tone generator. The tone generator,
of course, has no mechanical parts, and it should respond immediately
to the incoming data.

Regards,
PianoBench

On Apr 13, 2008, at 3:43 AM, dirk veldhorst wrote:
> Delay In (500mS) =ON
> I thought this would buffer MIDI data and give the DKV mechanism
> time to get things right.
>
> Do I understand correctly that it should be OFF and have the
> software in the laptop (or master) deal with this?
> Kind regards
>
> Dirk
>

On Apr 13, 2008, at 1:23 AM, Spencer_Lists wrote:

> Greetings George,
>
> There is no reason that the DKV can not play with correct timing no
> matter what the source if it is MIDI. MIDI contains precise timing
> information. It can be buffered by the playing device and the events ;
> can be played at the correct time. I have no idea if the DKV does
> this or not and if it does it differently from internal memory or a
> MIDI connection. It is pretty stupid if it doesn't buffer the events
> from all sources. I know that the Stahnke LX system does and believe
> that (at least the earlier models) PD does not. There is also a
> limit to polyphony so this can also be an issue with some music.
>
> Does anyone know what the various DKV models do?

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