Converting DASHhigh to FLAC with ffmpeg

[Tony Quinn]

On 24-Jan-17 8:11 PM, Jeremy Nicoll - ml gip wrote:
> On 2017-01-24 19:18, Budge wrote:
>
>> My understanding is that if I convert to mp3 I lose more.  Not sure if
>> this is true.
>
> MP3 files can be created at different bit rates.  Perhaps you should 
> take some sample
> audio files and create some MP3 versions at different rates and see 
> whether you can
> actually tell that even the high bit rate MP3s are less accurate than 
> original files.
>
> If you can tell, then fine, keep the huge detailed files.  But if in 
> fact you cannot
> tell, sacrifice a bit of quality.
>
>
> I have some original recordings made in the last year or two at choral 
> concerts - mostly
> 24 bit, 44.1 khz, stereo uncompressed WAV files, made with ecent 
> quality condenser mics.
> I was surprised how hard it was to tell the originals apart from eg 
> 320kbps MP3 let alone
> eg 160kbps.  And I was listening extremely carefully, criticising my 
> own recordings.

I assume that you weren't doing a blind test, so one can expect some 
sort of conformation bias to play a part here too.