[Commit-gnuradio] r6158 - gnuradio/branches/features/deb/gr-gsm-fr-vocoder/src/lib/gsm

[jcorgan]

Author: jcorgan
Date: 2007-08-20 15:59:29 -0600 (Mon, 20 Aug 2007)
New Revision: 6158

Added:
   gnuradio/branches/features/deb/gr-gsm-fr-vocoder/src/lib/gsm/README.gsm
Removed:
   gnuradio/branches/features/deb/gr-gsm-fr-vocoder/src/lib/gsm/README.orig
Log:
Rename file to avoid erroneous removal.

Copied: gnuradio/branches/features/deb/gr-gsm-fr-vocoder/src/lib/gsm/README.gsm 
(from rev 6157, 
gnuradio/branches/features/deb/gr-gsm-fr-vocoder/src/lib/gsm/README.orig)
===================================================================
--- gnuradio/branches/features/deb/gr-gsm-fr-vocoder/src/lib/gsm/README.gsm     
                        (rev 0)
+++ gnuradio/branches/features/deb/gr-gsm-fr-vocoder/src/lib/gsm/README.gsm     
2007-08-20 21:59:29 UTC (rev 6158)
@@ -0,0 +1,37 @@
+
+GSM 06.10 13 kbit/s RPE/LTP speech compression available
+--------------------------------------------------------
+
+The Communications and Operating Systems Research Group (KBS) at the
+Technische Universitaet Berlin is currently working on a set of
+UNIX-based tools for computer-mediated telecooperation that will be
+made freely available.
+
+As part of this effort we are publishing an implementation of the
+European GSM 06.10 provisional standard for full-rate speech
+transcoding, prI-ETS 300 036, which uses RPE/LTP (residual pulse
+excitation/long term prediction) coding at 13 kbit/s.
+
+GSM 06.10 compresses frames of 160 13-bit samples (8 kHz sampling
+rate, i.e. a frame rate of 50 Hz) into 260 bits; for compatibility
+with typical UNIX applications, our implementation turns frames of 160
+16-bit linear samples into 33-byte frames (1650 Bytes/s).
+The quality of the algorithm is good enough for reliable speaker
+recognition; even music often survives transcoding in recognizable 
+form (given the bandwidth limitations of 8 kHz sampling rate).
+
+The interfaces offered are a front end modelled after compress(1), and
+a library API.  Compression and decompression run faster than realtime
+on most SPARCstations.  The implementation has been verified against the
+ETSI standard test patterns.
+
+Jutta Degener (address@hidden)
+Carsten Bormann (address@hidden)
+
+Communications and Operating Systems Research Group, TU Berlin
+Fax: +49.30.31425156, Phone: +49.30.31424315
+
+--
+Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.

Deleted: 
gnuradio/branches/features/deb/gr-gsm-fr-vocoder/src/lib/gsm/README.orig