© Dipl.-Ing. Radovan Konečný - radkon, 2011-2016
If you are interested in buying this Sampler, please contact me. New future versions of this software and some of our sounds and presets are already included in the price of the Sampler.
Sampler is one of the components of a virtual music studio.
Sampler is a program to play pre-recorded sounds (samples), so that it can be played as a musical instrument. In addition to the MIDI input, the Sampler is compatible with NetSound.
For example, if the pre-recorded samples will be single piano tones (at least one sample per each tone), the Sampler will be a virtual piano. Playing on it can be performed by incomming MIDI commands (from MIDI keyboard or sequencer) or through NetSound. (Via NetSound, it is also possible to render a song in non-real-time, for example, from a MID-file, and this can also be performed over a network connection.)
To play a sound, the preset file (.preset extension) and sample files (.rkwav extension) are required.
Screenshot of preset editor:
Sounds for the Sampler
Features of the Sampler
This Sampler keeps in memory only part of the samples (their beginnings), the rest is dynamically loaded from the disk. However, the operating system can also store in memory parts of samples that are read from the disk so that it allows for seamless play if memory is available. If there is no memory available, some minor audio drop-outs may occur (especially when playing parts of samples that were not yet played), but these drop-outs have no effect on rendering. Therefore, only the beginnings of the samples and the samples, which are actually used for playing, will be kept in memory.
Types of the filter:
The Sampler uses a simple audio compression RKWAV and CD sound quality (44.1kHz, 16-bit, stereo/mono).
Sound is internally processed in a 32-bit resolution with a floating decimal point.
Audio output can be either CD quality to sound card or even higher quality via NetSound (up to 32-bit with floating decimal point).
Helpful table of tones and their frequencies is » here «.
Virtual keyboard for NetSound
MID-file player via NetSound
MID-editor with playback via NetSound
Interactive musical system
Monotimbral is such a musical instrument that can play only one sound at a time (e.g. piano). Although it can play more voices and tones at one time (polyphony), it is still one sound.
Multitimbral musical instrument is able to play more sounds at one time (e.g. piano and bass guitar). For each sound, a separate MIDI channel or key range can be assigned.
This Sampler is multitimbral.
In the case of a Windows operating system whose sound driver produces a latency between the (MIDI) command and sound, this program also supports ASIO audio devices that do not have this audible delay (are so-called "low-latency").
This requires a special driver installed (e.g. ASIO4ALL).
ASIO enables to play with a small delay between the (MIDI) command and the sound being heard.
Built-in preset editor
The built-in preset editor can be started from the command line by the
It is intended for those who know what they are doing. Only the preset file is edited in the editor (extension .preset). The preset file refers to the samples (.rkwav-files) that must exist. Multiple presets (and thus sounds) can use the same samples - you just need to have the samples on your computer once. Samples can be stored in a separate directory (this does not have to be the Sampler application directory), then you can specify a common path to these samples in the program.
Creating and editing of samples is left to the user. If the user already has samples (e.g. in WAV format), all he has to do is to convert them to a special compressed format RKWAV - files with .rkwav extension will be created. The Sampler no longer needs WAV-files. In the preset, these sample files are mapped - it determines which key or range of keys and which velocity or range of velocity the sample is to play. In addition to mapping itself, all other sample playback parameters can be specified in the preset (speed, level envelope, filtering, filter envelope and many other things).
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