JEITA CP-3451 (2) 4.7.3. Interoperability Structure of APP2 in Compressed Data................................................................. 65 4.8. Data Description..................................................................................................................................... 68 4.8.1. Stipulations on Compressed Image Size ........................................................................................ 68 4.8.2. Stipulations on Thumbnails ............................................................................................................. 71 4.8.3. File Name Stipulations .................................................................................................................... 71 4.8.4. Byte Order Stipulations ................................................................................................................... 71 5. Exif Audio File Specification .......................................................................................................................... 72 5.1. Outline of the Exif Audio File Specification ............................................................................................ 72 5.2. Format Version ....................................................................................................................................... 72 5.3. Definition of Terms.................................................................................................................................. 72 5.4. Specifications Relating to Audio Data .................................................................................................... 74 5.4.1. Sampling Frequency ....................................................................................................................... 74 5.4.2. Bit Size ............................................................................................................................................ 74 5.4.3. Channels ......................................................................................................................................... 74 5.4.4. Compression Schemes ................................................................................................................... 74 5.5. Basic Structure of Audio Data ................................................................................................................ 74 5.5.1. Basic Structure of WAVE Form Audio Files .................................................................................... 74 5.5.2. Basic Structure of PCM Audio Data................................................................................................ 80 5.5.3. Basic Structure of m-Law Audio Data .............................................................................................. 83 5.5.4. Basic Structure of IMA-ADPCM Audio Data ................................................................................... 84 5.6. Chunks Used.......................................................................................................................................... 88 5.6.1. WAVE Form Audio File Basic Chunks ............................................................................................ 88 5.6.2. LIST Chunk and INFO List.............................................................................................................. 89 5.6.3. Chunks for Attribute Information Specific to Exif Audio Files.......................................................... 93 5.7. Data Description..................................................................................................................................... 97 5.7.1. File Naming Stipulation ................................................................................................................... 97 5.7.2. Typical Exif Audio File ..................................................................................................................... 97 Normative References ........................................................................................................................................ 100 Annex A Image File Description Examples ..................................................................................................... 101 A.1 Uncompressed RGB File...................................................................................................................... 101 A.2 Uncompressed YCbCr File................................................................................................................... 104 A.3 JPEG Compressed (4:2:2) File ............................................................................................................ 108 A.4 JPEG Compressed (4:2:0) File .............................................................................................................112 Annex B Audio File Description Examples ...................................................................................................116 B.1 PCM Audio Data....................................................................................................................................116 B.2 m-Law Audio Data..................................................................................................................................118 B.3 IMA-ADPCM Audio Data ...................................................................................................................... 120