big congrats and many thanks to Zoe, for helping the Doepfer users community!

 
Bakis Sirros


________________________________
From: achtung_999 < heinrich.himmelwasser@... >
To: Doepfer_a100@yahoogroups.com
Sent: Sunday, October 21, 2012 7:00 PM
Subject: Re: 1 A-112 Sample Dump Tool

okay the python thing has been solved now..
(following is assuming you have a folder called a112 in your desktop folder
which contains Zoë's script makedoepfer.py and the wavfile you'd like to
convert).

After installing Python 3 you go to the Terminal.
Type: cd desktop
type: cd a112
type: python3.0 makedoepfer.py youwavfile.wav

The 3.0 solved the issue!

Sorry for the barrage of mails but I'd like to see more of you people enjoy
this fine script :D

Ernst

On Sun, Oct 21, 2012 at 5:09 PM, Zoë Blade < zoe@... > wrote:

> **
>
>
> Yes, you're exactly right, the A-112 has a fixed amount of memory, and a
> variable sample rate, so the more bytes you use up per second, the less
> seconds it can store. It can store 65536 (2^16) samples in each of the two
> pages of memory. The reason the files are slightly bigger is because you
> can't simply copy all eight bits of each byte at a time, you have to copy
> across the first seven bits of each byte first, then all the leftover bits
> later on. This is because MIDI requires all data to be 7-bit, whereas the
> A-112 is an 8-bit sampler.
>
> That reminds me, the other thing I'm not sure about yet is the
> zero-padding for samples that are shorter than 64kb. Once I get my hands on
> an A-112, I'll verify which number I should be sending for the
> zero-padding. If it's currently wrong, then the silence between when the
> sample finishes and when it stops playing won't have the speaker centred
> correctly, and so it may click at the end.
>
> By the way, if you type in just "python" instead of "python3", then it'll
> probably invoke Python 2, which OS X usually comes with pre-installed. That
> may give you errors to do with my Python 3 specific code, but certainly
> nothing to worry about.
>
> Oh, and regarding the tuning: one of the things that gets stored in the
> .syx file is the sample rate, which insinuates the A-112 should compensate
> for this in order to make, say, the 5 position on the tune knob always the
> position for the original sample speed. As it's not doing this, I can only
> assume I'm calculating the frequency incorrectly. (You can't just tell the
> A-112 "this sample is recorded at a 44,100Hz sample rate", you have to
> modify that number somehow that seems to involve the number 200, so I'll
> use trial and error to figure this out once I have an A-112. Then hopefully
> 5 should be the correct tuning for all samples.)
>
> On that note, is "nSek" German for milliseconds I could really do with a
> translation of this if anyone would be so kind: "sondern Wert für
> Rückwärtszähler mit 200 nSek. Zykluszeit."
>
> Thanks!
> Zoë.
> 
>


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