JEITA CP-3451 - 120 - B.3 IMA-ADPCM Audio Data Table 46 IMA-ADPCM Audio File Description Sample Contents Audio Data Format Type IMA-ADPCM Format Channels stereo Sampling Frequency 8.000 kHz Bytes per Block 8110 bytes/sec Bits per Sample 4 bits/sample Total Data Bytes 35840 bytes Attribute Information Audio Title IMA-ADPCM ExampleZ Audio Genre None Recording Date 1997-08-11Z   Comment None Recording Engineer Hanako YamadaZ Copyright Copyright XYZ on 1997.Z Exif-specific Information Exif Version 0200 (Version 2.0) Related Exif Image File DSC00001.JPGZ Recording Start Time 15:14:13.135Z   Recording Equipment Manufacturer DSC Interoperability CorporationZ Recording Equipment Model DSC Camera-2Z Manufacturer Note None User Comment   None Table 47 IMA-ADPCM Audio File Description Example Offset (Hex) Name Comment Data (Hex or "ASCII") RIFF-ck 0000 ckID RIFF 52494646 0004 ckSize 248D0000 0008 formType WAVE 57415645 fmt-ck 000C ckID "fmt_" 666D7420 0010 ckSize IMA-ADPCM Format 14000000 0014 wFormatTag 1100 0016 nchannels stereo 0200 0018 nSamplesPerSec 8.0kHz 401F0000 001C nAvgBytesPerSec 8110 bytes/sec AE1F0000 0020 nBlockAlign 512 bytes/block 0002 0022 wBitsPerSample 4 bits/sample 0400 0024 cbSize Additional bytes = 2 0200 0026 wSamplesPerBlock 505 bytes/block F901 fact-ck 0028 ckID fact 66616374 002C ckSize 04000000 0030 dwSampleLength 35350 samples 168A0000 INFO-LIST 0034 ckID LIST 4C495354 0038 ckSize 68000000 003C listType INFO 494E464F INAM-ck 0040 ckID INAM 494E414D 0044 ckSize 12000000 0048 ckData (audio title) "IMA-ADPCM Example"00 IGNR-ck 0058 ckID IGNR 49474E52 005C ckSize 09000000 0060 ckData (recording genre) "Greeting"Z