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OBD:SNDD: Difference between revisions
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=dat= | ==.dat== | ||
There are 2 different formats used by the SNDD files. | There are 2 different formats used by the SNDD files. | ||
==PC retail== | ===PC retail=== | ||
Below is the dat file part used in the PC retail version. | Below is the .dat file part used in the PC retail version. | ||
[[image:sndd_all.gif]] | [[image:sndd_all.gif]] | ||
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---- | ---- | ||
==PC demo and Mac== | ===PC demo and Mac=== | ||
The Mac version and the PC demo version use a simpler format. | The Mac version and the PC demo version use a simpler format. | ||
It appears that there is no support for different sample rates (all sounds are sampled at 22050 Hz). | It appears that there is no support for different sample rates (all sounds are sampled at 22050 Hz). | ||
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---- | ---- | ||
---- | ---- | ||
=raw= | ==raw== | ||
The raw data part of a SNDD file contains the actual audio samples without any other headers. | The raw data part of a SNDD file contains the actual audio samples without any other headers. | ||
==export and import== | ===export and import=== | ||
To create a wav/aif file one needs to write a file header like below and then write the contents of the raw data part. | To create a wav/aif file one needs to write a file header like below and then write the contents of the raw data part. | ||
===WAV files=== | ====WAV files==== | ||
*Write "RIFF" | *Write "RIFF" | ||
*add the size of the part in the raw file + 70 bytes | *add the size of the part in the raw file + 70 bytes | ||
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---- | ---- | ||
===AIF files=== | ====AIF files==== | ||
*Write "FORM" | *Write "FORM" | ||
*add the size of the part in the raw file + 50 bytes | *add the size of the part in the raw file + 50 bytes | ||