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Subject: Re: Playback channel configuration in rockbox - suggestions & survey

Re: Playback channel configuration in rockbox - suggestions & survey

From: Rocker <rocker_at_shaw.ca>
Date: 2005-01-09

Hi Jenns. I've joined in on this one a little late so consider this a
comment after the fact. Using my cheapy headphones, I have never gotten the
mono right/left to work? I was under the impression that if I selected one
or tother,
I would hear the tunes in the left or right channel right? Maybe this
actually works through the line out but believe it or not I never use it.
Anyway, I agree with the vast majority and certainly trust their opinions.

Cheers & rock on rockboxers...rocker
----- Original Message -----
From: "Jens Arnold" <arnold-j@t-online.de>
To: <rockbox@cool.haxx.se>
Sent: Saturday, January 08, 2005 6:59 AM
Subject: Playback channel configuration in rockbox - suggestions & survey

Hello all,

I'm thinking of an improvement of the playback channel
configuration in rockbox. Today we have (sorted by logic, not
item order):

1) Mono
2) Stereo narrow
3) Stereo
4) Stereo wide

and further

5) Mono left
6) Mono right
7) Karaoke

I intend to replace the first 4 settings with a more fine
grained control, allowing to set the stereo width in percent,
allowing adjustment from 0% to 255% in 1% steps. This allows
very precise control of the perceived stereo width, and
(almost) covers the previous channel settings 1..4 as follows:

New | Old
-----+---------------
0% | Mono
. |
. |
50% | Stereo narrow
. |
. |
100% | Stereo
. |
. |
255% |
-----+---------------
300% | Stereo wide
-----+---------------

Yes, you see that the range is a bit smaller - the old "Stereo
wide" setting equals a stereo width of 300%, but I think that
won't be a problem. Imho this setting is a bit too wide anyway.
In case anyone thinks 255% is not enough, the range could be
extended to 0%..511%.

Now a question arises: What to do with the old channel settings
5..7 ? Does anyone use them, or could these be removed completely?
I would vote for removing them. I can't think of an application
for the single channel mono modes, and setting Karaoke mode
makes the voice UI silent.

(For the technically interested: The "Karaoke" setting equals a
stereo width of infinity.)

I'd appreciate any feedback on this!

Regards, Jens

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Received on Sun Jan 9 03:37:10 2005


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