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  • From: "David Moberg" <davidjmoberg AT lycos.com>
  • To: baslinux AT lists.ibiblio.org
  • Subject: Re: BL streaming MP3, was Re: [BL] Re: broken windows needs replacing
  • Date: Tue, 19 Apr 2005 17:14:42 -0500

----- Original Message -----
From: "sindi keesan" <keesan AT sdf.lonestar.org>

> > Static = no library needed?
>
> No ncurses needed?

Static usually means all libraries are compiled in.

> >> Get mpg321-0.2.10.tar.gz source (111K) from 2002
> >>
> >> Based on MAD, xmms and plaympeg code and billed as a drop-in replacement
> >> for mpg123, which has not been updated since 2000.
>
> A libc5 version should work in BL2 since I already added libc5 for
> netpbm. (But in my experience lynx compiled completely statically
> refused to work online until I gave it glibc6. Worked fine
> offline.)

I'm not sure it would be much better than any other player.

---...---

> Mplayer looked like it had 25MB of dependencies. How big is your
> static version?

5MB uncompressed. Unleashing bzip2 on it squashed it down to 2.2MB.
Keep in mind that this has nearly everything. DVD support, and also
85 audio codecs, 192 video codecs, X11, FB, basic VESA video, several
audio drivers, blah blah blah.

---...---

[SDF $10/month network access]
> Are you SURE this is access to something other than just sdf itself?

I'm sure. From the SDF site:
"SDF provides dialup PPP (network)...access"
"To find numbers in your area, type 'dialup' at the shell."

---...---

> My partner listens to Recordings for the Blind and Physically
> Handicapped. They are still sending out tapes but will probably
> switch to CD. He wonders if he can rip the CD to mp3 and somehow
> speed it up (delete one out of three sampled bits) since he likes to
> listen faster. He has modified tape players to let him adjust the
> speed (different size pulleys, resistors, switches - various
> approaches).

There are several different ways to do this.

Adjusting a tape player motor skews the pitch, too. mpg123 can play
every other frame if you want it to, which keeps the pitch normal
but sounds like an auctioneer hollering out bids.

mpg123 -d 2 stream.mp3

cdparanoia's output can be piped to sox and sped up or slowed down
as needed. Real-time digital playback from track 1 on a CD:

cdparanoia -rqZ "1" - | play -traw -r 44100 -f s -s w -c 2 -

Sped up by a factor of 1.5 ala a tape player:

cdparanoia -rqZ "1" - | play -traw -r 44100 -f s -s w -c 2 - speed 1.5

(you can also just change the 44100 sampling rate to something higher)

Sped up with normal pitch:

cdparanoia -rqZ "1" - | play -traw -r 44100 -f s -s w -c 2 - stretch .75

cdda2wav can do something similar.

David
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