annotate wiki/AIMCDataFormat.wiki @ 434:e6ce337297a8
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tom@acousticscale.org |
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Thu, 04 Nov 2010 18:22:42 +0000 |
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1 #summary AIM-C simple data file format.
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2
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3 The module [http://code.google.com/p/aimc/source/browse/trunk/src/Modules/Output/FileOutputAIMC.cc FileOutputAIMC] provides data in a simple format which can be read by other programs.
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5 The data is stored as 32-bit floats with the native byte-ordering of the machine the file was written on. Before the data, there is a simple header.
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6
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7 == Header format ==
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8 The first 20 bytes of the file contain the following fields:
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9
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10 32-bit unsigned integer: frame_count
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11 32-bit float: frame_period_ms
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12 32-bit unsigned integer: channel_count
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13 32-bit unsigned integer buffer_length
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14 32-bit float: sample_rate
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18 == Reading the files using MATLAB ==
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19 Use [http://code.google.com/p/aimc/source/browse/trunk/matlab/AIMCread.m the MATLAB AIMCread function] to read the files.
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