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Casio AP-470 #2758527 08/15/18 03:34 AM
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jamiecw Offline OP
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Hi all,

I recently parted with my Roland FP-30 for a Casio AP-470 (after playing it in the store & realising how much better I found it over the FP-30). Overall a really nice digital but I have an issue which I opened a case with Casio and still waiting (been a week and half now) for a reply. My issue is when recording to USB using the AUDIO REC button option, which allows recording into WAV on the USB memory stick, when playing it back on a computer the volume is so low is barely audible and certainly does not warrant using this feature.

If there is anyone who owns this model and can verify if they are experiencing the same issue to rule out whether it's a problem across the board or just on mine?

Thank you,

J

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Re: Casio AP-470 [Re: jamiecw] #2758528 08/15/18 03:41 AM
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PianoStartsAt33 Offline
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Did you try to encrease record's volume in audio editing suite (like Soundforge or something)?


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Re: Casio AP-470 [Re: PianoStartsAt33] #2758530 08/15/18 04:24 AM
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jamiecw Offline OP
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Originally Posted by PianoStartsAt33
Did you try to encrease record's volume in audio editing suite (like Soundforge or something)?


Hi there - I found I can export it in GarageBand (from WAV to MP3 or AAC etc.) and one of the options when exporting is normalising the volume and that makes it louder (just about) but then it alters the sound by adding whatever GB does to normalise the file...

Ideally I would like to get the actual direct sound recorded at decent volume as opposed to post editing etc.

Re: Casio AP-470 [Re: jamiecw] #2758532 08/15/18 05:17 AM
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I believe that most manufacturers do not pay proper attention to this important function. With the exception of Kawai. For me personally, this has always been a significant advantage for them compared to other brands, because for me this feature is of great importance (I hate using a computer when it comes to a musical instrument). Kawai has Gain Level feature when recording or converting MIDI to audio on USB flash drive:
[Linked Image]

And only Kawai allows to record not only WAV, but also MP3-files.

For these opportunities Kawai deserves respect, and shame to other brands, which don't develop and not improve this crucial function for years.

Re: Casio AP-470 [Re: jamiecw] #2758615 08/15/18 01:15 PM
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As the manual implies, messing with a "gain" in the old school analog way just causes unnecessary trouble. And in the end you might end with distorted audio.

As the digital piano (probably) just renders its audio straight from the sound generator to a file, then (probably) the maximum output sample value is mapped to the maximum velocity that the sound generator can produce.

So, if you play a really really forte fortissimo, the audio won't distort, but the rendered audio file may seem a bit quiet.

Then you just normalize it.

Of course the digital piano could also do the normalization. In an ideal world.

But at least you won't need to adjust the gain beforehand or end up with distorted audio and having to start all over again.

Re: Casio AP-470 [Re: jamiecw] #2758826 08/16/18 08:04 AM
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jamiecw Offline OP
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Thanks AlexBltn & clotheardnincompo...as it happens, the AP 470 does have an Audio Recorder Volume too & by default it is set to the maximum allowed (0-42). I tested lowering it and does not change the desired result i.e. the recording needs to be normalised via 3rd party software. Not the end of the world - if anything adding EQ and a bit of compression makes the recording sound acceptable enough.

Thanks to all replies!

J

Re: Casio AP-470 [Re: jamiecw] #2758846 08/16/18 09:17 AM
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PianoStartsAt33 Offline
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Originally Posted by jamiecw
Thanks AlexBltn & clotheardnincompo...as it happens, the AP 470 does have an Audio Recorder Volume too & by default it is set to the maximum allowed (0-42). I tested lowering it and does not change the desired result i.e. the recording needs to be normalised via 3rd party software. Not the end of the world - if anything adding EQ and a bit of compression makes the recording sound acceptable enough.

Thanks to all replies!

J


I don't think you need compression or normalizationm because it will change initial dynamics you played with. You just need to increase volume and nothing else. You may receive 300% or 400% of initial volume if necessary. It can be evem done online with simple browser-based editors.


"No success of failure matters when it's about true vocation". Nicolas Gomez Davila
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Re: Casio AP-470 [Re: PianoStartsAt33] #2758877 08/16/18 11:00 AM
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jamiecw Offline OP
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Huh - you got me thinking and you are indeed correct. I found this on YouTube (https://www.youtube.com/watch?v=BCHnXloH8_Y) and using the AUPeakLimiter I am able to increase gain without normalisation (turned off under preferences and using compression or EQ and the end result is the direct sound with good volume!

Thank you for that! :-)

J

Last edited by jamiecw; 08/16/18 11:00 AM.
Re: Casio AP-470 [Re: jamiecw] #2816463 02/17/19 08:40 AM
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There is volume setting for audio recording +/- G/G# in highest octave. I have opposite problem, that playing is much softer that recording.


Rastislav
Re: Casio AP-470 [Re: jamiecw] #2816473 02/17/19 09:43 AM
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Use the Amplify option in Audacity. From the Audacity manual:
Quote
Amplify always preserves the relative volumes of the tracks and/or channels.

https://manual.audacityteam.org/man/amplify.html

In other words, Amplify will NOT mess with the natural dynamics of your Casio AP-470 recordings, just raise the overall volume equally and keep the relative loudness of individual parts intact.


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Re: Casio AP-470 [Re: jamiecw] #2926985 12/26/19 12:44 PM
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Does anyone here know if the Casio AP-470 can be hooked up to a computer a MIDI source to, the likes of Ableton for example? I'm trawling through the documentation but it only appears to indicate that it's MIDI receive (over USB) rather than stating MIDI transmit.

If anyone could give a clear indication, that would be really appreciated as I'm hoping to buy this piano soon, but really want to be able to use the piano as a MIDI source directly into a live receive on a computer (I'm not looking to record a MIDI and transfer the file manually, which can be done).

Re: Casio AP-470 [Re: Photogaff] #2927007 12/26/19 02:12 PM
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Originally Posted by Photogaff
Does anyone here know if the Casio AP-470 can be hooked up to a computer a MIDI source to, the likes of Ableton for example? I'm trawling through the documentation but it only appears to indicate that it's MIDI receive (over USB) rather than stating MIDI transmit.

If anyone could give a clear indication, that would be really appreciated as I'm hoping to buy this piano soon, but really want to be able to use the piano as a MIDI source directly into a live receive on a computer (I'm not looking to record a MIDI and transfer the file manually, which can be done).


Of course it sends midi data

Re: Casio AP-470 [Re: jamiecw] #2927074 12/26/19 07:17 PM
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See page EN-45 in the manual. It's simple. Just plug in a USB type A to USB type B cable.


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