OBD:SNDD/aif: Difference between revisions

OBD:SNDD/aif (view source)

Revision as of 21:12, 18 November 2007

177 bytes added , 18 November 2007

m

todo: double-check the sample frame and bps

Geyser

Administrators

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edits

@@ Line 2: / Line 2: @@
-Oni uses in the Mac version the AIFC format. The header of this format is explained below.
+In the Mac version Oni uses the AIFC sound format. The header of this format is detailed below. Note the [[wikipedia:Big_Endian|Big Endian]] order.
@@ Line 10: / Line 10: @@
 {{Table}}
 {{OBDth}}
-{{OBDtrBK|1=AIFC format header (black outline) - Note: You have to read the Raw Hex content from left to right}}
+{{OBDtrBK|AIFC format header (black outline)}}
 {{OBDtr| 0x10 | int32    |FFC8C8| 00 00 00 16 | 22    | size of the following complete header part in bytes }}
 {{OBDtr| 0x14 | int16    |FFFFC8| 00 01       | 1     | number of channels (1 <nowiki>=</nowiki> mono) }}
 {{OBDtr| 0x16 | int32    |C8FFC8| 00 00 01 3F | 319   | [[image:sndd_hm1.gif]] }}
 {{OBDtr| 0x1A | int16    |C8FFFF| 00 10       | 16    | bits per sample }}
-{{OBDtr| 0x1C | float80  |FFC8FF| 40 0D AC... | 22050 | samples per second; (also known as "frequency" or "sample rate"); (it's an 80 bit "IEEE Standard 754" floating point number) }}
+{{OBDtr| 0x1C | float80  |FFC8FF| 40 0D AC... | 22050 | samples per second (a.k.a. "frequency" or "sample rate")
+(it's an 80 bit "IEEE Standard 754" floating point number) }}
 {{OBDtr| 0x26 | char[4]  |FFC800| 69 6D 61 34 | ima4  | compression type }}
 |}
+;Note
+:The Mac versions use only one sample rate: 22.05 kHz.
+:The number of channels is specified in the .dat part.
+:Not sure for the "bits per sample" and "sample frame".
+<center>[[OBD:SNDD#PC_demo_and_Mac|Back to Mac SNDD (.dat part)]]</center>
-<center>[[OBD:SNDD_Mac|Back to SNDD_Mac]]</center>