The Speex project aims to build an open-source patent-free voice codec. 
Unlike other codecs like MP3 and Ogg Vorbis, Speex is specially designed 
for compressing voice at low bit-rates for applications such as voice over 
IP (VoIP). In some sense, it is meant to be complementary to the Ogg 
Vorbis codec.

Although we aim at providing a patent-free codec, we strongly suggest you
have a look at patent issues if you are thinking about using Speex 
commercially. The speech coding field is a real patent minefield and
the scope and enforceability of all these patents is sometimes unclear,
not to mention that each country has different laws.

To use Speex:

% speexenc [-n or -w] input_file.sw compressed_file.spx

% speexdec compressed_file.spx output_file.sw

where -n is for narrowband (8 kHz sampling) and -w is wideband (16 kHz 
sampling).

All audio files are assumed to be raw (no header) 16-bit PCM files. To
convert a .wav file into this format:
% sox my_file.wav -t sw my_file.sw

Note that if the original sampling frequency of the wav is not 8 kHz or 16 kHz,
you will need to add "-r 8000" or "-r 16000" (without the quotes).

To create a .wav file:
% sox -t sw my_file.sw my_file.wav




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Latest update of this package can be found at  http://amiga.sourceforge.net/

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`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø`°ø




·············································A·r·c·h·i·v·e··C·o·n·t·e·n·t·s··
LhA Freeware Version 2.2
Copyright © 1991-94 by Stefan Boberg.
Copyright © 1998-2000 by Jim Cooper and David Tritscher.

Listing of archive 'Speex-1.0beta1.lha':
Original  Packed Ratio    Date     Time    Name
-------- ------- ----- --------- --------  -------------
     461     301 34.7% 29-Aug-02 20:17:52 +AUTHORS
     203     136 33.0% 27-Mar-02 21:16:30 +ChangeLog
    1425     750 47.3% 11-Oct-02 03:38:24 +COPYING
  264509  191222 27.7% 10-Oct-02 04:19:04 +manual.pdf
      44      44  0.0% 19-Feb-02 02:43:22 +NEWS
    1258     685 45.5% 16-May-02 19:16:32 +README
  116684   77348 33.7% 15-Oct-02 00:25:36 +speexdec
  114288   76035 33.4% 15-Oct-02 00:24:30 +speexenc
   95524   65384 31.5% 15-Oct-02 00:22:36 +testenc
   95300   65292 31.4% 15-Oct-02 00:23:12 +testenc_wb
     136     109 19.8% 11-Oct-02 03:38:44 +TODO
-------- ------- ----- --------- --------
  689832  477306 30.8% Operation successful.




_____________________________
.Readme created with:  MRea  \

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  301     461  65.3% -lh5- 8957 Aug 29  2002 Speex-1.0beta1/AUTHORS
[generic]                  136     203  67.0% -lh5- f9eb Mar 27  2002 Speex-1.0beta1/ChangeLog
[generic]                  750    1425  52.6% -lh5- 5a18 Oct 11  2002 Speex-1.0beta1/COPYING
[generic]               191222  264509  72.3% -lh5- 18e4 Oct 10  2002 Speex-1.0beta1/manual.pdf
[generic]                   44      44 100.0% -lh0- f3c4 Feb 19  2002 Speex-1.0beta1/NEWS
[generic]                  685    1258  54.5% -lh5- 563e May 16  2002 Speex-1.0beta1/README
[generic]                77348  116684  66.3% -lh5- 1e35 Oct 15  2002 Speex-1.0beta1/speexdec
[generic]                76035  114288  66.5% -lh5- ce9e Oct 15  2002 Speex-1.0beta1/speexenc
[generic]                65384   95524  68.4% -lh5- 5f46 Oct 15  2002 Speex-1.0beta1/testenc
[generic]                65292   95300  68.5% -lh5- 4715 Oct 15  2002 Speex-1.0beta1/testenc_wb
[generic]                  109     136  80.1% -lh5- c0ba Oct 11  2002 Speex-1.0beta1/TODO
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        11 files  477306  689832  69.2%            Feb 23  2003