| libmsn 4.2.1 | 
| bits_per_sample (defined in fmt_chunk) | fmt_chunk | |
| block_align (defined in fmt_chunk) | fmt_chunk | |
| byte_rate (defined in fmt_chunk) | fmt_chunk | |
| channels (defined in fmt_chunk) | fmt_chunk | |
| format (defined in fmt_chunk) | fmt_chunk | |
| sample_rate (defined in fmt_chunk) | fmt_chunk | 
 1.7.4
 1.7.4