The AMBE-1000 is not recommended for new designs.
Please refer to the AMBE-2000/2020 product line.
page 2
The AMBE-1000 is not recommended for new designs.
Please refer to the AMBE-2000/2020 product line.
Visit us at www.dvsinc.com
AMBE-1000TM Vocoder Chip
User's Manual
Version 3.1
April 1999
Copyright
, 1999
Digital Voice Systems, Inc
234 Littleton Road
Westford, MA 01886
This document may not, in whole or in part be copied, photocopied, reproduced,
translated, or reduced to any electronic medium or machine readable form without
prior consent in writing from Digital Voice Systems, Incorporated.
Every effort has been made to ensure the accuracy of this manual. However, Digital
Voice Systems, Inc. makes no warranties with respect to the documentation and
disclaims any implied warranties of merchantability and fitness for a particular purpose.
Digital Voice Systems, Inc. shall not be liable for any errors or for incidental or
consequential damages in connection with the furnishing, performance, or use of this
manual or the examples herein. This includes business interruption and/or other loss
which may arise from the use of this product. The information in this document is
subject to change without notice.
Trademarks
AMBE-1000TM Vocoder Chip is a registered trademark of Digital Voice Systems, Inc.
Other product names mentioned may be trademarks or registered trademarks of their
respective companies and are the sole property of their respective manufacturers.
All Rights Reserved
Data subject to change
The AMBE-1000 is not recommended for new designs.
Please refer to the AMBE-2000/2020 product line.
page 3
The AMBE-1000 is not recommended for new designs.
Please refer to the AMBE-2000/2020 product line.
Visit us at www.dvsinc.com
AMBE-1000
TM
Vocoder Chip END USER License Agreement
1.0 Preliminary Statements and Definitions
1.1 "END USER" shall mean the person and/or
organization to whom the AMBE-1000TM Vocoder Chip
was delivered or provided to as specified in the
purchase order or other documentation. In the event
that the END USER transfers his rights under this
license to a third party as specified in section 2.2, then
this third party shall become an "END USER".
1.2 Digital Voice Systems, Inc. (DVSI) has developed a
voice coding method and algorithm (the "Technology")
based on the Advanced Multi-Band Excitation ("AMBE
")
voice coder. The technology codes speech at bit rates
of 2.4 to 9.6 kilobits per second (kbps) including error
correction bits.
1.3 "AMBE
Voice Compression Software" shall mean
the speech coding software and/or firmware integrated
into the AMBE-1000TM Vocoder chip integrated circuit.
1.4 "Voice Codec" shall mean the AMBE-1000TM Vocoder
Chip integrated circuit, the AMBE
Voice Compression
Software, firmware and associated documentation,
including modifications, enhancements and extensions
made by or for Digital Voice Systems, Inc. (DVSI) and
including circuit diagrams, timing diagrams, logic
diagrams, layouts, operating instructions and user
manuals.
1.5 DVSI represents that it owns certain "Proprietary
Rights" in the Technology and the AMBE
Voice
Compression Software, including patent rights in the
Technology, and patent rights, copyrights, and trade
secrets in the AMBE
Voice Compression Software.
2.0 License Granted
2.1 Subject to the conditions herein and upon initial use
of the AMBE-1000TM Vocoder Chip, DVSI hereby grants
to END USER a non-exclusive, limited license to use the
AMBE
Voice Compression Software in machine
readable form solely on the AMBE-1000TM Vocoder Chip.
Title to the AMBE
Voice Compression Software remains
with DVSI. No license is granted for use of the AMBE
Voice Compression Software on other than the AMBE-
1000TM Vocoder Chip. No license, right or interest in
any trademark, trade name or service mark of DVSI is
granted under this Agreement.
2.2 END USER shall not copy, extract, de-compile,
reverse engineer or disassemble the AMBE
Voice
Compression Software contained in the AMBE-1000TM
Vocoder Chip.
3.0 Transfer of License
3.1 The END USER shall have the right to transfer the
AMBE-1000TM Vocoder Chip and all rights under this
Agreement to a third party by either (i) providing the
third party with a copy of this Agreement or (ii)
providing the third party with an agreement written by
the END USER ( hereinafter "END USER Agreement") so
long as the END USER Agreement is approved in writing
by DVSI prior to transfer of the AMBE-1000TM Vocoder
Chip. The END USER Agreement shall contain
comparable provisions to those contained herein for
protecting the Proprietary Information from disclosure
by such third party. Third parties shall agree to accept
all the terms and conditions under either Agreement or
the END USER Agreement.
4.0 Term and Termination
4.1 This Agreement is effective upon initial delivery of the Voice
Codec and shall remain in effect until terminated in accordance with
this agreement.
4.2 This Agreement shall terminate automatically without notice
from DVSI if END USER fails to comply with any of the material
terms and conditions herein. END USER may terminate this
Agreement at any time upon written notice to DVSI certifying that
END USER has complied with the provisions of Section 3.3.
4.3 Upon termination of this Agreement for any reason, END USER
shall: (i) return all AMBE-1000TM Vocoder Chip purchased or
acquired, or in Licensee's possession, to DVSI; (ii) have no further
rights to any AMBE
Voice Compression Software or the Technology
without a separate written license from DVSI; (iii) discontinue all use
of the AMBE-1000TM Vocoder Chip;
5.0 Payments
5.1 In consideration of the materials provided as part of the Voice
Codec, and in consideration of the license and rights in the AMBE
Voice Compression Software granted by DVSI, and in consideration
of DVSI's performance of its obligations hereunder, END USER
agrees to pay to DVSI the fee specified in DVSI's invoice.
6.0 Proprietary Notices
6.1 END USER shall not remove any copyright or proprietary notice
on the AMBE-1000TM Vocoder Chip or on the AMBE
Voice
Compression Software.
7.0 Proprietary Information
7.1 The parties agree that the AMBE
Voice Compression Software
shall be considered Proprietary Information.
7.2 Except as otherwise provided in this Agreement, END USER shall
not use, disclose, make, or have made any copies of the Proprietary
Information, in whole or in part, without the prior written consent of
DVSI.
8.0 Limited Warranty
8.1 DVSI warrants the Voice Codec to be free from defects in
materials and workmanship under normal use for a period of ninety
(90) days from the date of delivery.
8.2 Except as stated in Section 7.1, the Voice Codec is provided "as
is" without warranty of any kind. DVSI does not warrant, guarantee
or make any representations regarding the use, or the results of the
use, of the Voice Codec with respect to its correctness, accuracy,
reliability, correctness or otherwise. The entire risk as to the results
and performance of the Voice Codec is assumed by the END USER.
After expiration of the warranty period, END USER, and not DVSI or
its employees, assumes the entire cost of any servicing, repair,
replacement, or correction of the Voice Codec.
8.3 DVSI represents that, to the best of its knowledge, it has the
right to enter into this Agreement and to grant a license to use the
AMBE
Voice Compression Software to END USER.
8.4 Except as specifically set forth in this Section 7.0, DVSI makes
no express or implied warranties including, without limitation, the
warranties of merchantability or fitness for a particular purpose or
arising from a course of dealing, usage or trade practice, with
respect to the Voice Codec. Some states do not allow the exclusion
of implied warranties, so the above exclusion may not apply to END
USER. No oral or written information or advice given by DVSI or its
employees shall create a warranty or in any way increase the scope
of this warranty, and END USER may not rely on any such
information or advice. The limited warranties under this section 7.0
give END USER specific legal rights, and END USER may have other
rights which vary from state to state.
9.0 Limitation of Liability
License
The AMBE-1000 is not recommended for new designs.
Please refer to the AMBE-2000/2020 product line.
page 4
The AMBE-1000 is not recommended for new designs.
Please refer to the AMBE-2000/2020 product line.
Visit us at www.dvsinc.com
9.1 In no event shall DVSI be liable for any special,
incidental, indirect or consequential damages resulting
from the use or performance of the Voice Codec
whether based on an action in contract, tort (including
negligence) or otherwise (including, without limitation,
damages for loss of business profits, business
interruption, and loss of business information), even if
DVSI or any DVSI representative has been advised of
the possibility of such damages.
9.2 Because some states do not allow the exclusion or
limitation of liability for consequential or incidental
damages, the above limitations may not apply to END
USER.
9.3 DVSI's maximum liability for damages arising under
this Agreement shall be limited to 20% (twenty percent)
of the fees paid by END USER for the particular Voice
Codec which caused the damages or that is the subject
matter of, or is directly related to, the cause of action.
10.0 Taxes
10.1 All payments required under Section 4.0 or
otherwise under this Agreement are exclusive of taxes
and END USER agrees to bear and be responsible for
the payment of all such taxes (except for taxes based
upon DVSI's income) including, but not limited to, all
sales, use, rental receipt, personal property or other
taxes which may be levied or assessed in connection
with this Agreement.
11.0 Export
11.1 United States export laws and regulations prohibit the
exportation of certain products or technical data received from DVSI
under this Agreement to certain countries except under a special
validated license. As of May 20, 1996 the restricted countries are:
Libya, Cuba, North Korea, Iraq, Serbia, Montenegro, and Iran. The
END USER hereby gives its assurance to DVSI that it will not
knowingly, unless prior authorization is obtained from the
appropriate U.S. export authority, export or re-export, directly or
indirectly to any of the restricted countries any products or technical
data received from DVSI under this Agreement in violation of said
United States Export Laws and Regulations. DVSI neither
represents that a license is not required nor that, if required, it will
be issued by the U.S. Department of Commerce. Licensee shall
assume complete and sole responsibility for obtaining any licenses
required for export purposes.
12.0 Governing Law
12.1 This Agreement is made under and shall be governed by and
construed in accordance with the laws of the Commonwealth of
Massachusetts, except that body of law governing conflicts of law.
If any provision of this Agreement shall be held unenforceable by a
court of competent jurisdiction, that provision shall be enforced to
the maximum extent permissible, and the remaining provisions of
this Agreement shall remain in full force and effect.
License
The AMBE-1000 is not recommended for new designs.
Please refer to the AMBE-2000/2020 product line.
page 5
The AMBE-1000 is not recommended for new designs.
Please refer to the AMBE-2000/2020 product line.
Visit us at www.dvsinc.com
1. Product Introduction 12
1.1 General Information 12
1.2 Advantages 12
1.3 Features 13
1.4 Typical Applications 13
2. AMBETM-1000 Application Design Overview 14
2.1 Basic Operation 14
2.2 Initial Design Considerations 14
2.2.1 A/D D/A Overview 15
2.2.2 Channel Interface Overview 15
2.2.3 Speech and FEC Rate Selection Overview 16
3. Channel Interface 17
3.1 Overview 17
3.2 Parallel vs. Serial Configuration Selection 17
3.3 Parallel Mode 19
3.3.1 Low Level Timing for Active Parallel Mode Output 20
3.3.2 Low Level Timing for Active Parallel Mode Input 21
3.3.3 Low Level Timing for Passive Parallel Mode Output 22
3.3.4 Low Level Timing for Passive Parallel Mode Input 23
3.3.5 Expanded Timing for Active Parallel Mode Output 24
3.3.6 Expanded Timing for Active Parallel Mode Input 24
3.3.7 Expanded Timing for Passive Parallel Mode Output 25
3.3.8 Expanded Timing for Passive Parallel Mode Input 26
3.4 Serial Mode 27
3.4.1 Low Level Timing for Passive and Active Serial Mode 29
3.4.2 Expanded Timing for Active Serial Mode 30
3.4.3 Expanded Timing for Passive Serial Mode 31
4. Channel Data Format 32
4.1 Framed Format 32
4.1.1 Framed Output Format 32
4.1.2 Framed Output : Header 33
4.1.3 Framed Output : ID 33
4.1.4 Framed Output : Status_0 33
4.1.5 Framed Output : Status_1 34
4.1.6 Framed Output : Status_2 34
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