Hardline has ALOT more audio then BF4. BF4 with all of the DLCs has ~73k audio files. Hardline has 97,559 audio files upon release.
I extracted all of the BFH audio and converted it all to 320kbps MP3 files. All multichannel files down mixed to stereo using foobar which the exception of the mono files. I left them all in their original mono form, just converted them to MP3. I would have liked to upload the files in their "native" format but uploading 69 GBs or so is tough. If you're interested in the audio in its original format let me know. The difference in quality isn't really noticeable in the mono(which is the majority of the files) or stereo. However if you have the ability to use a 5.1/7.1 setup there is a clear difference when listening to the multichannel files compared to the down converted audio.
If you have issues downloading try installing the MEGA extensions for your browser. In the upper right hand corner click menu -> Apps then select your browser.(firefox/chrome)
--BFH Retail Audio--
down converted all multichannel to stereo MP3, 320kbps. mono files left mono.
**download all four files to the same folder then extract BFH Audio.zip**
--BFH Beta Audio Files--
**Thank you Arekan for uploading the audio from the Hardline Beta**
Keeping track of 97,000+ files while converting can be rough so a file could have easily gone missing/wrong. If it appears that any audio is missing, corrupted, down mixed wrong or have any questions & comments let me know. At one point I plan on uploading some of the more interesting audio in packs. Like a zip/rar of just the level loading music, voice overs, explosions, etc. Who knows when that will actually happen thou.
Thank you Frankelstner for the scripts to extract the data & decode the audio.