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#2088488 - 05/25/13 09:02 AM "chimey" sample on Casio PX150 fix with midi?  
Joined: Jan 2013
Posts: 2
onyaw Offline
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onyaw  Offline
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Joined: Jan 2013
Posts: 2
I hope someone can help. I am a midi newbie although not afraid of tech, so hopefully it will be easy for someone to help.

I recently bought a Casio PX150 because it is light, is is really nice for touch, I did not need the extra bells and whistles for the more expensive px350 and the sampled pianos are not bad...except for the second octave above middle C. It is far too "chimey" (bell-like) - even through an external amp, on either the 'concert' or 'modern' piano sample (need one or the other for jazz). I have tried to mess with reverb/chorus and external eq and can only improve it a little. The only satisfying sound is when its playing with loud accompaniment to eat the chiminess, but I also need quiet too.

So I wanted to try midi. I can go through a mac laptop or (preferrably) an iPhone. I see there are some commercial adaptors for iphones for this and available samples. But this piano only has the USB/midi not the standard midi 5 pin din/out that the 350 has.

So I am unsure how to proceed; are there USB/midi-in adaptors? Will this work well (e.g. without delay) for live playthrough (the piano manual mainly discusses it for recording and mixing)? Does someone know if there is an iPhone adaptor that can take standard USB in?

Is this all worth it, or has someone succeeded in improving this kind of sound artifact with analog fixes?

Thx in advance for your help


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#2088491 - 05/25/13 09:29 AM Re: "chimey" sample on Casio PX150 fix with midi? [Re: onyaw]  
Joined: Jul 2012
Posts: 6,690
peterws Offline
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peterws  Offline
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Joined: Jul 2012
Posts: 6,690
Northern England.
I`m using a software piano through my DGS630 with no problems if that`s similar to what you`re after. I do have an "out" connection to a computer which I have to use, but no DIN type plugs. I know someone on one of the sites here who uses a piano like yours. He`s called "Inlanding" and uses software on it; I would imagine he`d be happy to help.


"I am not a man. I am a free number"

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#2088500 - 05/25/13 09:48 AM Re: "chimey" sample on Casio PX150 fix with midi? [Re: onyaw]  
Joined: Aug 2012
Posts: 736
Scott Hamlin Offline
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Scott Hamlin  Offline
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Joined: Aug 2012
Posts: 736
You should be able to hook
into the Mac laptop directly
from the Privia (USB B to USB A)..

I doubt you will find a iphone
app that sounds better than
the internal or Mac sounds,
but if you want to do this I
believe you need a camera
kit for your iphone (plugs
into the docking port of the
iphone and provides a USB
connection).

Any usb cable will work..
you don't need a special MIDI cable
or adapter to get this to work.




#2088501 - 05/25/13 09:51 AM Re: "chimey" sample on Casio PX150 fix with midi? [Re: onyaw]  
Joined: Sep 2011
Posts: 3,149
toddy Online content
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toddy  Online Content
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Portugal
All digital pianos are equipped with midi, so if you don't have the standard midi din sockets (5 pins) then the USB will already be designed to send/ receive midi direct to computer.


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#2088591 - 05/25/13 12:46 PM Re: "chimey" sample on Casio PX150 fix with midi? [Re: onyaw]  
Joined: Feb 2010
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anotherscott Online content
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anotherscott  Online Content
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Posts: 4,418
Originally Posted by onyaw
Does someone know if there is an iPhone adaptor that can take standard USB in?

On the iPad, you'd use the Camera Connection Kit, but last I checked, this did not work on a stock iPhone. However, apparently there is a way to make it work if your phone is jailbroken.

I think the iConnectMIDI will do what you want, but it's been discontinued and may be hard to find.

#2088699 - 05/25/13 04:29 PM Re: "chimey" sample on Casio PX150 fix with midi? [Re: anotherscott]  
Joined: Nov 2012
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o0Ampy0o Offline
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Joined: Nov 2012
Posts: 541
Originally Posted by anotherscott
Originally Posted by onyaw
Does someone know if there is an iPhone adaptor that can take standard USB in?

On the iPad, you'd use the Camera Connection Kit, but last I checked, this did not work on a stock iPhone. However, apparently there is a way to make it work if your phone is jailbroken.

I think the iConnectMIDI will do what you want, but it's been discontinued and may be hard to find.

I did a quick search and the iConnectMIDI is available at Amazon ("13 in stock" as of this moment). Their website does state the product has been discontinued as do other sources though.

http://www.iconnectivity.com/iConnectMIDI

#2088946 - 05/25/13 10:41 PM Re: "chimey" sample on Casio PX150 fix with midi? [Re: o0Ampy0o]  
Joined: Dec 2012
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Charles Cohen Offline
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Charles Cohen  Offline
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Posts: 4,132
Richmond, BC, Canada
1. How will using MIDI improve the sound?

It will let you generate _all_ the sound from the Mac, but you'll need a piano software synth (Pianoteq, or "Vintage D", or something like that) to generate sound better than the PX-150 built-in sound.

2. Have you tried adjusting the PX-150 menu "Brightness" or "Brilliance" control? It should be in the "Effects" group, I think.

3. What loudspeakers are you using?

4. What equalizer have you used, and how was it set?

. Charles

PS -- The PX-150 isn't perfect, but most people don't report your particular problem. So we should eliminate other causes, before blaming the PX-150.


. Charles
---------------------------
PX-350 / microKorg XL+ / Pianoteq / Lounge Lizard / Korg Wavedrum / EV ZXA1 speaker
#2088967 - 05/25/13 11:17 PM Re: "chimey" sample on Casio PX150 fix with midi? [Re: Charles Cohen]  
Joined: Dec 2009
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dewster Offline
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dewster  Offline
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Northern NJ
Originally Posted by Charles Cohen
PS -- The PX-150 isn't perfect, but most people don't report your particular problem. So we should eliminate other causes, before blaming the PX-150.

Well, I'll second it. For all the good Casio is doing lately, I don't think the AP voice is being shepherded sufficiently. The upper mids sound kind of fake or forced somehow (to me) which is disappointing.

#2089077 - 05/26/13 08:00 AM Re: "chimey" sample on Casio PX150 fix with midi? [Re: onyaw]  
Joined: Jan 2013
Posts: 2
onyaw Offline
Junior Member
onyaw  Offline
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Joined: Jan 2013
Posts: 2
Thanks for your various replies, they give me some things to try.

Charles, I do think the sampled piano in some ranges is indeed better than my old, 70 lb Yamaha p150, for example, more 'life' to it. Except too much life up high - there it needs to be duller especially when playing solo. I have worked with the 'brilliance' control in the unit and I can make it worse but not better.

For external speakers I use a 9-band eq. and give it a shallow U-shape and there is slight improvement. Admittedly I've not tried radical things like just shutting down the highest freq's completely, I will try that next. The amp depends on the venue. For larger venues I use a Roland beast (15' woofer plus tweeter). The eq is helpful (but not perfect). For smaller venues I use an 8" speaker guitar amp; whether the eq helps depends on the room. I do not think there is any cure for the on-board speakers - they are pretty awful.

On balance, for the price and the weight, I really do like this keyboard (except for the onboard speakers and a couple of other features that are lacking on the px150 compared with the 350, e.g. output options; tremolo control for the organ), in my book for performance it definitely wins compared to the similar one from another company, and not just because its $100 cheaper. It will be interesting to see what the Casio's lifespan is. I just wish the piano sound was more perfect.

#2089441 - 05/26/13 06:56 PM Re: "chimey" sample on Casio PX150 fix with midi? [Re: onyaw]  
Joined: Dec 2012
Posts: 4,132
Charles Cohen Offline
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Charles Cohen  Offline
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Joined: Dec 2012
Posts: 4,132
Richmond, BC, Canada
dewster has better ears than I do. But I hate to give up easily.

A suggestion, FWIW:

Turn off the amps, and plug in a pair of headphones.

Start with the EQ flat. [Middle C is 256 Hz; C above that is 512 Hz, C above that is 1 kHz.]

Test that the "chime" is still present, with headphones. If it has disappeared, it's caused by a resonance (or bad EQ) in your loudspeakers, not by the PX-150. [The cure may be the same as what I suggest below . . . ]

Let's say the problem notes are between 512 Hz and 1 kHz. "Chimey" suggests that the problem isn't with the fundamental frequency, but with higher harmonics.

Reduce the EQ slider(s) to -6 dB for the frequency range that includes the _second harmonic_ of the pitch range -- that is, 1.5 kHz - 3 kHz. See if that improves the sound. [If it "improves" so much that it's dull, try -3 dB instead of -6).

If not, flatten the EQ again, and reduce the sliders for the _third_ harmonic (2 kHz - 4 kHz).

With luck, you'll find an EQ setting that compensates nicely for the "chimey" range, without destroying the sound of all the other notes.

I have read many warnings, in different places, against trusting the sound of a guitar amp. And some warnings here, about trusting the sound of a keyboard amp. But you _do_ have to fix the chime . . .

. Charles


. Charles
---------------------------
PX-350 / microKorg XL+ / Pianoteq / Lounge Lizard / Korg Wavedrum / EV ZXA1 speaker

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