# ffmpeg -f lavfi -i sine -t 0s -id3v2_version 4 -f mp3 pipe:1 > id3v24
$ fq -d id3v2 verbose /id3v24
    |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.: {} /id3v24 (id3v2) 0x0-0x2c.7 (45)
0x00|49 44 33                                       |ID3             |  magic: "ID3" (valid) 0x0-0x2.7 (3)
0x00|         04                                    |   .            |  version: 4 0x3-0x3.7 (1)
0x00|            00                                 |    .           |  revision: 0 0x4-0x4.7 (1)
    |                                               |                |  flags: {} 0x5-0x5.7 (1)
0x00|               00                              |     .          |    unsynchronisation: false 0x5-0x5 (0.1)
0x00|               00                              |     .          |    extended_header: false 0x5.1-0x5.1 (0.1)
0x00|               00                              |     .          |    experimental_indicator: false 0x5.2-0x5.2 (0.1)
0x00|               00                              |     .          |    unused: 0 0x5.3-0x5.7 (0.5)
0x00|                  00 00 00 23                  |      ...#      |  size: 35 0x6-0x9.7 (4)
    |                                               |                |  frames: [1] 0xa-0x22.7 (25)
    |                                               |                |    [0]: frame {} 0xa-0x22.7 (25)
0x00|                              54 53 53 45      |          TSSE  |      id: "TSSE" (Software/Hardware and settings used for encoding) 0xa-0xd.7 (4)
0x00|                                          00 00|              ..|      size: 15 0xe-0x11.7 (4)
0x10|00 0f                                          |..              |
    |                                               |                |      flags: {} 0x12-0x13.7 (2)
0x10|      00                                       |  .             |        unused0: 0 0x12-0x12 (0.1)
0x10|      00                                       |  .             |        tag_alter_preservation: false 0x12.1-0x12.1 (0.1)
0x10|      00                                       |  .             |        file_alter_preservation: false 0x12.2-0x12.2 (0.1)
0x10|      00                                       |  .             |        read_only: false 0x12.3-0x12.3 (0.1)
0x10|      00 00                                    |  ..            |        unused1: 0 0x12.4-0x13 (0.5)
0x10|         00                                    |   .            |        grouping_identity: false 0x13.1-0x13.1 (0.1)
0x10|         00                                    |   .            |        unused2: 0 0x13.2-0x13.3 (0.2)
0x10|         00                                    |   .            |        compression: false 0x13.4-0x13.4 (0.1)
0x10|         00                                    |   .            |        encryption: false 0x13.5-0x13.5 (0.1)
0x10|         00                                    |   .            |        unsync: false 0x13.6-0x13.6 (0.1)
0x10|         00                                    |   .            |        data_length_indicator: false 0x13.7-0x13.7 (0.1)
0x10|            03                                 |    .           |      text_encoding: "UTF-8" (3) 0x14-0x14.7 (1)
0x10|               4c 61 76 66 35 38 2e 34 35 2e 31|     Lavf58.45.1|      text: "Lavf58.45.100" 0x15-0x22.7 (14)
0x20|30 30 00                                       |00.             |
0x20|         00 00 00 00 00 00 00 00 00 00|        |   ..........|  |  padding: raw bits (all zero) 0x23-0x2c.7 (10)