Converting DASHhigh to FLAC with ffmpeg

[Tony Quinn]

On 24-Jan-17 8:16 PM, Tony Quinn wrote:
>
>
> 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.
Obviously that should have read "....confirmation bias"