Teledyne LeCroy Merlin II - Users Manual User Manual
Page 184
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Merlin II Protocol Analyzer User’s Manual
CATC
SW Version 2.50
The following is the WAVE file format that is used by the 'Export Audio
Streams' functionality to generate the audio files. The right-most column
describes the data as being put by the CATC Bluetooth analyzer application.
Field Name
Endian
File
Offset
Field Size
Field Description
CATC Data
ChunkID
Big
0
4
Contains the letters
"RIFF" in ASCII form
(0x52494646 big-endian
form).
RIFF stands for
"Resource Interchange
File Format."
"RIFF"
ChunkSize
Little
4
4
36 + SubChunk2Size, or
more precisely:
4 + (8 + SubChunk1Size)
+ (8 + SubChunk2Size)
This is the size of the
entire file in bytes minus
8 bytes for the two fields
not included in this
count: ChunkID and
ChunkSize.
Calculated when
file is created.
Format
Big
8
4
Contains the letters
"WAVE" (0x57415645
big-endian form).
“WAVE”
Field Name
Endian
File
Offset
Field Size
Field Description
CATC Data
Subchunk1ID
Big
12
4
Contains the letters "fmt"
(0x666d7420 big-endian
form).
‘f’, ‘m’, ‘t’, ‘’
Subchunk1Size
Little
16
4
16 for PCM. This is the
size of the rest of the
Subchunk, which follows
this number.
0x12
AudioFormat
Little
20
2
PCM = 1 (i.e. Linear
quantization)
Values other than 1
indicate some form of
compression.
1
NumChannels
Little
22
2
Mono = 1, Stereo = 2,
etc.
Num of actual
channels as
selected by the
user: 1 or 2.