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Disk mode information AIFF and WAVE format details: importing
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Disk mode information
AIFF and WAVE format details: importing
AIFF files
When data is loaded into the OASYS, the following
four chunks are referenced: Common chunk, Sound
Data chunk, Marker chunk, and Instrument chunk.
Other chunks are ignored.
Restrictions on the parameters in each chunk are
described below.
Common chunk
Only one (mono) or two (stereo) channels are
supported. Sample sizes of 1–16 bits are supported.
If the sample data is 8 bits or less, it will be loaded as
16 bit data with the lower 8 bits always at 0.
Sound Data chunk
Offset and block size are ignored. (Block-Aligning
Sound Data is not supported.)
Marker chunk
Up to eight markers are supported. The ninth and
subsequent markers will be ignored.
Instrument chunk
If the loop play mode is ForwardBackwardLooping,
this will be handled as ForwardLooping.
baseNote, detune, lowNote, highNote, lowVelocity,
highVelocity, gain, and releaseLoop will be ignored.
WAVE files
When loading, the OASYS references the Format
Chunk, Sample Chunk, and Wave Data. Limitations
are discussed below.
Format chunk
Standard PCM format is the only format category that
is supported.
Only one (mono) or two (stereo) channels are
supported.
Sample sizes of 1–16 bits are supported. If the sample
data is 8 bits or less, it will be loaded as 16 bit data with
the lower 8 bits always at 0.
Sample Chunk
Only the loop data is referenced. If there is multiple
loop data, the loop with the greatest number of loop
playback times (Play Count) will be used. Even if the
Type is Alternating or Backward, it will be handled as
Forward Loop.
Wave data
The Wave List chunk is not supported.
AIFF and WAVE format details: exporting
AIFF files
When exporting, the OASYS will use the Common
Chunk, Sound Data Chunk, Marker Chunk, and
Instrument Chunk.
Limitations on the parameters within each chunk are
discussed below.
Common Chunk
The number of channels is fixed at 1 (mono).
The sample size is fixed at 16 bits.
Marker Chunk
Two markers are used as Loop Start Address and End
Address respectively.
Instrument Chunk
The loop play mode is fixed at Forward Looping.
Zone data of the multisamples will not be exported.
WAVE files
When exporting, the OASYS will use the Format
Chunk, Sample Chunk, and Wave Data. Restrictions
are given below.
Format Chunk
The format category is fixed at standard PCM format.
The number of channels is 1 (mono) or 2 (stereo), and is
fixed at 1 (mono) for export.
The sample size is fixed at 16 bits.
Sample Chunk
The Type is fixed at Forward Loop.
Zone data of the multisamples will not be exported.