Re: [ARMini-support] Sounding people out.
- From: Jim Lesurf <jcgl@xxxxxxxxxxxxxxx>
- To: armini-support@xxxxxxxxxxxxx
- Date: Sat, 04 Mar 2017 11:33:00 +0000 (GMT)
In article
<49712.86.135.45.231.1488624422.squirrel@xxxxxxxxxxxxxxxxxxxxxx>, Learning
Partners <lp.books@xxxxxxxxxxxxx> wrote:
Well I am not going to argue with a designer of my favourite amplifier
of the 1970s / 80s who as a physicist and a hi-fi journalist knows a lot
more about this than I do. Anyway this is going off topic. What I
suspect Meridian are trying to do is what Dolby Labs did for tape
recording and film. Both proprietary systems.
That's a reasonable comparison in various ways. However there is more to it
e.g. that DAC designers are required to disclose *all* the details of their
design to MQA if they want to get the info needed to make one which is MQA
approved. Cassette deck makers *didn't* have to give their details like
this. Some DAC makers are therefore objecting to this and refusing to
accept MQA.
And in this case there are open alternatives that work as well and don't
require *any* playerers or DAC makers to make any changes at all to be able
to play them... and which avoid the flaws in MQA. Cheaper, better, simpler.
However getting back to RISC OS and music, and the question Jim asked.
Anything that improves music handling on the OS and provides comparable
flexibility to the many programmes improving graphics handling (which I
use frequently) must be welcome.
I'm really suggesting three things here;
1) That people who want to play 24bit files on their current RO system
should get a copy of my NoiseShaping program and try making and playing
16bit Noise Shaped versions. The results should sound the same or better,
and allow for smaller files.
2) That the programmers who develop players could incorporate noise shaping
to let them play 24 bit files, thus avoiding having users need to do (1)
3) That the OS developers incorporate noise shaping.
Matter then of people then deciding what they will do. (3) would simplify
things for users and programmers in general. But (1) can be done right now
by anyone interested.
Jim
--
Electronics
http://www.st-and.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
Audio Misc
http://www.audiomisc.co.uk/index.html
Armstrong Audio
http://www.audiomisc.co.uk/Armstrong/armstrong.html
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