MEDIA mode and file format information Korg format sample files
941
If the .KSF filename is “SKIPPEDSAMPL”, it will be
treated as a sample skipped during loading.
Legacy files may include .KSF filenames of
“INTERNALnnnn,” which designated internal samples on
previous Korg instruments. On the NAUTILUS, this feature
is not supported.
• Relative parameter chunk 2
• Relative parameter chunk 3
• Multisample number chunk
KSF (Korg Sample File) files
There are four types of structure for these files. One consists
of a Sample Parameter chunk, Sample Data chunk, Sample
Number chunk and Sample name (SMP1 + SMD1 + SNO1 +
NAME). Another consists of a Sample Parameter chunk,
Sample Data chunk, Sample Filename chunk, Sample
Number chunk, and Sample name chunk (SMP1 + SMD1 +
SMF1 + SNO1 + NAME). The latter structure is in the case
where the sample data of the Sample chunk is empty, and
uses the sample data of the .KSF file specified by the Sample
Filename chunk (shared sample data).
• Sample parameter chunk
• Sample data chunk
Sampling frequency is a 4-byte unsigned integer; all
frequencies between 0Hz and 4.294GHz are supported.
When sampling frequency is greater than 48kHz, if the data
includes audio frequencies above 24kHz, playback quality
may be slightly degraded.
• Attributes
• Sample number chunk
• Sample name chunk
• Sample filename chunk
If the .KSF filename is “SKIPPEDSAMPL”, it will be
treated as a sample skipped during loading.
If the .KSF filename is “INTERNALnnnn”, internal
samples will be used.
• Divided sample parameter chunk
Chunk ID (‘RLP2’) [4 bytes]
Chunk size (4) [4 bytes]
Transposing (–64…+63) [1 byte]
Resonance (–99…+99) [1 byte]
Attack (–99…+99) [1 byte]
Decay (–99…+99) [1 byte]
Chunk ID (‘RLP3’) [4 bytes]
Chunk size (fixed at 6) [4 bytes]
Drive (–99…+99) [1 byte]
Boost (–99…+99) [1 byte]
LowEQLevel (–99…+99) [1 byte]
MidEQLevel (–99…+99) [1 byte]
HighEQLevel (–99…+99) [1 byte]
unused [1 byte]
Chunk ID(‘MNO1’) [4 bytes]
Chunk size (4) [4 bytes]
Multisample number (0–) [4 bytes]
Chunk ID (‘SMP1’) [4 bytes]
Chunk size (32) [4 bytes]
Sample name [16 bytes]
Start address [4 bytes]
2nd start address [4 bytes]
Loop start address [4 bytes]
Loop end address [4 bytes]
Chunk ID (‘SMD1’) [4 bytes]
Chunk size (12 + number of sample
databytes)
[4 bytes]
Sampling frequency [4 bytes]
Attributes [1 byte]
Loop tune (–99…+99 cents) [1 byte]
Number of channels (1) [1 byte]
Sample size (8/16) [1 byte]
Number of samples [4 bytes]
Sample data variable length
Chunk ID (‘SNO1’) [4 bytes]
Chunk size (4) [4 bytes]
Sample number (0–) [4 bytes]
Chunk ID (‘NAME’) [4 bytes]
Chunk size (fixed at 24) [4 bytes]
Sample name [24 bytes]
Chunk ID (‘SMF1’) [4 bytes]
Chunk size (12) [4 bytes]
KSF filename [12 bytes]
Chunk ID (‘SPD1’) [4 bytes]
Chunk size (12) [4 bytes]
The following up to the sample size is the same as in the
SMD1 chunk
Sampling frequency [4 bytes]
Attributes [1 byte]
Loop tune [1 byte]
Number of channels [1 byte]
Sample size [1 byte]
Number of samples [4 bytes]
Total number of samples in all divided files
1: +12 dB playback 0: 0 dB playback*
* For uncompressed data, this bit is handled as a
switch that specifies the playback gain.
For compressed data, this bit is handled as a
compression ID.
Sample parameter attributes
MSB LSB
1: Not Use 2nd Start 0: Use It
1: Reverse 0: Forward
1: Loop Off 0: Loop On
Compression ID
1: Compressed data 0: Un-compressed data
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