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Graphics Interchange Format  |  2000-03-31  |  26.9 KB  |  442x219  |  4-bit (16 colors)
   ocr: Field: PCM file IMA: ADPCM file fmt 18 20 wFormatlag Wave. FORMAT PCMI (1) Wave FORMAT IMA ADPCM(17) nChannels nSamplesPerSec 8000 8000 nAvgBytesPersec 16000 4055 nBlockAlign 4 256 wBitsPerSdmple 16 cbSize J tact dwFileSize 82294 82294 Actudl file size 164,696 bytes 41.788 bytes Figure 3: Comparison of PCM and IMA ADPCM files.