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Re: [disklavier] Re: solenoid clipping

2012-02-16 by Spencer chase

so maybe it would help to extend all notes or just softer ones a little 
to "improve" legato playing? any ideas? if someone wants to experiment, 
I'll write or adapt a program to do that.

On 2/16/2012 10:37 AM, Bill Brandom wrote:
> Key release velocity is captured and played back only on Disklavier 
>  PROs, Mark IV and E3 systems.
>
> Bill
>
> Sent from my iPhone
>
> On Feb 16, 2012, at 12:21 PM, Spencer chase <lists@... 
> <mailto:lists@...>> wrote:
>
>> In order to really figure this out, it would help to have some real 
>> information instead of guesses. If there is truly a known issue with 
>> DKVs of your model and production date, it would be most important to 
>> know what that issue is. It is difficult to imagine that there is not 
>> some sort of fix that could be made to firmware but maybe that part 
>> of the control mechanism is not update able.
>>
>> My off the wall guess is that the piano either does not record key 
>> release data at all or does it badly or does not respond to key 
>> release data that was recorded correctly. I do not know what models 
>> do or do not use key release data. If this is the case and it is not 
>> fixable with a firmware upgrade, it might be possible to post process 
>> the MIDI files to "improve" them. If the piano does not respond to or 
>> does not respond appropriately to key release data it might be 
>> possible to lengthen all notes slightly to achieve a degree of 
>> improvement.
>>
>> I probably have a program somewhere that I wrote that does this. If 
>> not, it should not be difficult to modify a similar one to do this. 
>> If this is something you want to try, I'll look through my huge 
>> folder of utilities. Messing around a little with such a utility 
>> would not be a huge effort but it makes sense to first get as much 
>> information about the problem as possible.
>>
>> If would also be useful to determine if it is a key release problem 
>> or if it is a pedal problem. Does it happen to all notes with and 
>> without sustain pedal?
>>
>> On 2/16/2012 7:38 AM, robertm wrote:
>>
>>> Hi Carol,
>>> My Disklavier reproduces my playing fairly well as far as how hard 
>>> to strike the note. But there is something that doesn't sound right 
>>> when the note is released--sort of a cutoff staccato effect even 
>>> when playing legato. Since the hammers have no contact with the 
>>> string after striking, I would guess it has something to do with how 
>>> quickly the solenoid releases at the moment of striking. When I got 
>>> the Disklavier, I was so happy with being able to get an authentic 
>>> sense of what the audience experiences when I play, that I 
>>> overlooked this--but over time I realized that this was interfering 
>>> with my enjoyment of the reproduced music.
>>>
>>> My piano technician is Yamaha certified to work on Disklaviers, and 
>>> has done several adjustments but was unable to fix the problem. I 
>>> wrote to Yamaha years ago about this. I found out from either my 
>>> Yamaha dealer or my tech (can't remember which now) that this was a 
>>> design issue of early Disklaviers that was later fixed by a 
>>> different solenoid or solenoid driver circuit, but that my piano was 
>>> not upgradable.
>>>
>>> I admit I might have this wrong, but I think this is what I heard, 
>>> and since I got the piano primarily as a workhorse instrument, and 
>>> the Disklavier part was a performance and teaching aid, it didn't 
>>> worry me too much. But I keep hoping that Yamaha has figured this 
>>> one out for my piano!
>>>
>>> Robert Morrison
>>>
>>> --- In disklavier@yahoogroups.com 
>>> <mailto:disklavier%40yahoogroups.com>, CarolRPT <carol@...> wrote:
>>> >
>>> > I am curious about the mention of "solenoid clipping" on the Mark 
>>> II. Can you please describe this? I would be astounded that anything 
>>> really irritating cannot be fixed on a Disklavier.
>>> >
>>> > Carol Beigel
>>> >
>>>
>>
>> -- 
>> Best regards, Spencer Chase
>> 67550-Bell Springs Rd.
>> Garberville, CA 95542 Postal service only.
>> Laytonville, CA 95454 UPS only.
>> Spencer@...
>> http://www.spencerserolls.com
>> (707) 984-8356
>> (425) 791-0309
> 

-- 
Best regards, Spencer Chase
67550-Bell Springs Rd.
Garberville, CA 95542 Postal service only.
Laytonville, CA 95454 UPS only.
Spencer@...
http://www.spencerserolls.com
(707) 984-8356
(425) 791-0309

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