version <next>:
- ashowinfo audio filter
- 24-bit FLAC encoding
+- audio volume filter
+- deprecated the avconv -vol option. the volume filter is to be used instead.
+- multi-channel ALAC encoding up to 7.1
+- TAK demuxer, parser, and decoder
version 9_beta2:
- metadata (INFO tag) support in WAV muxer
- support for building DLLs using MSVC
+- remove avserver daemon mode
version 9_beta1: