Monster Media 1993 #2/Image.iso/sound2/audio_fm.zip/A3

Text File | 1993-05-11 | 8KB | 217 lines

Archive-name: audio-fmts/diff
Submitted-by: Guido van Rossum <[e-mail]>
Version: 3.02
Last-modified: 11-May-1993

*** 1.1 1993/03/22 11:30:53
--- audio.part1 1993/05/11 13:03:48
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*** 60,62 ****
  The entire FAQ is also available by anonymous ftp from ftp.cwi.nl
! [192.16.184.180], directory pub/audio, files AudioFormats{part1,part2}.

--- 60,62 ----
  The entire FAQ is also available by anonymous ftp from ftp.cwi.nl
! [192.16.184.180], directory pub/audio, files AudioFormats.{part1,part2}.

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*** 315,322 ****
  All these machines can play back sound without additional hardware,
! although the needed software is not always standard; only the Sun,
! NeXT and SGI come with standard sampling hardware (the NeXT only
! samples U-LAW at 8000 samples/sec from the built-in microphone port;
! you need a separate board for other rates).  (Don't send me details on
  optional or 3rd party hardware, there is too much and it is really
! beyond the scope of this FAQ.)

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  All these machines can play back sound without additional hardware,
! although the needed software is not always standard; also, some
! machines need external hardware to record sound (or to record at
! higher quality, like the NeXT, whose built-in sampling hardware only
! does 8000 samples/sec in U-LAW).  Please don't send me details on
  optional or 3rd party hardware, there is too much and it is really
! beyond the scope of this FAQ.

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*** 325,327 ****
  In fact, DECsound is given away free with Motif 1.1 and supports the
! VAXstation, Sun SPARCstation, DECvoice, and XMedia audio devices.  Sun
  sound files work without change.  The Alpha systems (DEC 3000 Model
--- 325,327 ----
  In fact, DECsound is given away free with Motif 1.1 and supports the
! VAXstation, Sun SPARCstation, DECvoice, and DECaudio devices.  Sun
  sound files work without change.  The Alpha systems (DEC 3000 Model
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--- 470,480 ----

+ The "IRCAM" sound file system has now been superseded by the so-called
+ "BICSF" (for Berkeley/IRCAM/CARL Sound File system) software release.
+ More recently, there has been an effort at Princeton (Prof. Paul
+ Lansky) and Stanford (Stephen Travis Pope) to standardize several
+ extensions to BICSF.  A description of BICSF and the
+ Princeton/Stanford extensions is available by anonymous ftp from
+ ftp.cwi.nl [192.16.184.180], in directory /pub/audio/BICSF-info.  This
+ file contains further ftp pointers to software.
+
  Finally, a somewhat different but popular format are "MOD" files,
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  A program "playulaw" was posted as part of the "radio 2.0" release
! that I posted to several source groups recently; it plays raw U-LAW
! files on the Indigo, Indigo2 or Personal IRIS audio hardware.

--- 745,748 ----
  A program "playulaw" was posted as part of the "radio 2.0" release
! that I posted to several source groups; it plays raw U-LAW files on
! the Indigo, Indigo2 or Personal IRIS audio hardware.

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*** 749,752 ****

!         Vaxstation 4000
!         ---------------

--- 758,777 ----

!         Others
!         ------
!
! Most other UNIX boxes don't have audio hardware and thus can't play
! audio data.  This is actually rapidly changing and most new hardware
! that hits the market has some form of audio support.  Unfortunately
! there is nothing like X11 that provides a portable interface.  Perhaps
! DEC CRL's AudioFile system can fill the gap; it is network-transparent
! and supports at least Digital RISC systems running Ultrix, Digital
! Alpha AXP systems running OSF/1, Sun Microsystems SPARCstations
! running SunOS, and SGI Indigos.  The source kit is located at ftp site
! crl.dec.com (Internet 192.58.206.2) in /pub/DEC/AF.
!
!
! Playing audio files on the Vaxstation 4000 (VMS)
! ------------------------------------------------
!
! 1) Without DECsound

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--- 789,804 ----

+ 2) With DECsound (bundled with motif)
+
+ Just start DECsound by selecting it from the session manager in the
+ applications menu. (Not there use "@vue$library:sound$vue_startup").
+ Make sure settings; device type (vaxstation 4000) and play settings
+ (headphone jack) are selected.  To play files from the DCL prompt
+ (handy if you want to play sounds on a remote workstation) set a
+ symbol up as follows;
+ PLAY == "$DECSOUND -VOLUME 50 -PLAY"
+ usage;
+ DCL> play sound.au
+
+ 3) Audio port
+
  The external audio port comes with a telephone-jack-like port.   For
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*** 768,784 ****
  (that came with the VaxStation), and plug in a small set of stereo
! speakers (the kind you'd plug into a WALKMAN, for example), for more
! volume.
!
!         Others
!         ------
!
! Most other UNIX boxes don't have audio hardware and thus can't play
! audio data.  This is actually rapidly changing and most new hardware
! that hits the market has some form of audio support.  Unfortunately
! there is nothing like X11 that provides a portable interface.  Perhaps
! DEC CRL's AudioFile system can fill the gap; it is network-transparent
! and supports at least Digital RISC systems running Ultrix, Digital
! Alpha AXP systems running OSF/1, and Sun Microsystems SPARCstations
! running SunOS.  The source kit is located at ftp site crl.dec.com
! (Internet 192.58.206.2) in /pub/DEC/AF.

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  (that came with the VaxStation), and plug in a small set of stereo
! speakers or headphones (the kind you'd plug into a WALKMAN, for
! example), for more volume.  The adapter also has a microphone plug so
! that you can record sounds if DECsound is installed.

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  sound formats, albeit mostly on micros, is "The Sound Site
! Newsletter".  Issue 12 appeared in March 1993.  Issues can be ftp'ed
! from saffron.inset.com, directory directory pub/rogue/newsletters, or
! from ccb.ucsf.edu, Pub/Sound_list/Sound.Newsletters.

--- 926,932 ----
  sound formats, albeit mostly on micros, is "The Sound Site
! Newsletter".  Issue 12 appeared in March 1993.  This used to be
! available by anonymouse ftp from saffron, but I have been informed
! that saffron is no longer providing this service.  If you know of a
! different site carrying recent issues of the Sound Site newsletter,
! please let me know!)

*** 1.1 1993/03/22 11:30:53
--- audio.part2 1993/05/11 13:03:54
***************
*** 17,19 ****

! Table of contents:

--- 17,20 ----

! Table of contents
! -----------------

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      or [e-mail], and the servers will send you
!     instructions on how to make requests

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      or [e-mail], and the servers will send you
!     instructions on how to make requests.  (The bitftp service is no
!     longer available through UUCP gateways due to complaints about
!     overuse :-( )

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  10K - 60K).  An older MOD format only allowed for up to 15 samples in
! a MOD file; you don't see many of these anymore.  [The standard
! sampling rate is 10k, see below. --GvR]

--- 807,810 ----
  10K - 60K).  An older MOD format only allowed for up to 15 samples in
! a MOD file; you don't see many of these anymore.  There is no standard
! sampling rate for these samples.  [But see below.]

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! The MOD sampling rate
! ---------------------
!
! From [e-mail]:
!
! The standard rate is 10k exactly.  Instrument files should be 10k,
! signed, 8-bit raw audio.  A lot of people ask how to create MOD
! samples on their own machine; the answer is:
!
! [%>] sox mysound.foo -r10000 -sb sample.sam
!
! I quite doubt that there are any deviations here, since the sample
! data is incorporated into the MOD file and cannot store its own format
! header.  The Amiga program MED uses a custom format for its MODs
! (often called MEDs because of name similarity), and does allow any
! 8SVX sample of any sampling rate to be used.
!
! David

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! PS: A file with even *much* more info on MOD files, compiled by Lars
! Hamre, is available from ftp.cwi.nl:/pub/audio/MOD-info.  Enjoy!