Yamaha Signal Processor MMP1 User Guide

CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN

FCC INFORMATION (U.S.A.)

  1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product.
  2. IMPORTANT: When connecting this product to accessories and/or another product use only high-quality shielded cables. Cable/s supplied with this product MUST be used. Follow all installation Failure to follow instructions could void your FCC authorization to use this product in the USA.
  3. NOTE: This product has been tested and found to comply with the requirements listed in FCC Regulations, Part 15 for Class “B” digital devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic devices. This equipment generates/uses radio frequencies and, if not installed and used according to the instructions found in the user’s manual, may cause interference harmful to the operation of other electronic Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product is found to be the source of interference, which can be determined by turning the unit “OFF” and “ON”, please try to eliminate the problem by using one of the fol- lowing measures:
    Relocate either this product or the device that is being affected by the interference.
    Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or install AC line filter/s.
    In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to a co-axial type cable.
    If these corrective measures do not produce satisfactory results, please contact the local retailer authorized to distribute this type of product. If you can not locate the appropriate retailer, please contact Yamaha Corporation of America, Electronic Service Division, 6600 Orangethorpe Ave, Buena Park, CA90620
    The above statements apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries.

COMPLIANCE INFORMATION STATEMENT (DECLARATION OF CONFORMITY PROCEDURE)

Responsible Party: Yamaha Corporation of America
Address: 6600 Orangethorpe Ave., Buena Park, Calif. 90620 Telephone: 714-522-9011
Type of Equipment: Signal processor, Model Name: MMP1
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

  1. this device may not cause harmful interference, and
  2. this device must accept any interference received including interference that may cause undesired

See user manual instructions if interference to radio reception is suspected.

This product contains a battery that contains perchlorate material. Perchlorate Material—special handling may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate.

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

The above warning is located on the top of the unit.

Explanation of Graphical Symbols Explication des symboles.

The lightning flash with an arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

IMPORTANT SAFETY INSTRUCTIONS

  1. Read these
  2. Keep these
  3. Heed all
  4. Follow all
  5. Do not use this apparatus near
  6. Clean only with dry
  7. Do not block any ventilation Install in accordance with the manufacturer’s instructions.
  8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce
  9. Do not defeat the safety purpose of the polarized or grounding-type A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for the replacement of the obsolete outlet.
  10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
  11. Only use attachments/accessories specified by the
  12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
  13. Unplug this apparatus during lightning storms or when unused for long periods of
  14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been

WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.

Specifications

ELECTRICAL CHARACTERISTICS

 

Sampling Frequency

Internal 44.1kHz/48kHz/88.2kHz/96kHz/176.4kHz/192kHz
External 44.1kHz/48kHz/88.2kHz/96kHz/176.4kHz/192kHz, ±200ppm
  Analog Input/Output Frequency Response -1/0.5 dB, 20Hz – 20kHz
THD+N 0.0036%, – 20kHz, GAIN: 0dB, Fs=192kHz
Dynamic Range 110dB, A-weighted
-100dB

ANALOG INPUT CHARACTERISTICS

Input Terminals Actual Load Impedance For Use with Nominal

Input level

Connector Balanced / Unbalanced
Nominal Max. before clip
 

ANALOG INPUT 1 – 8

20kΩ 150Ω Lines +4dB (1.23 V) +24dBu (12.28V)  

D-SUB

Connector 25P (Female)

Balanced
10kΩ 600Ω Lines -10dBV (0.32V) +10dBV (3.16V) Unbalanced

ANALOG OUTPUT CHARACTERISTICS

Output Terminals Actual Source Impedance For Use with Nominal Output level Connector Balanced / Unbalanced
Nominal Max. before clip
 

ANALOG OUTPUT 1 – 8

 

75Ω (BAL)

 

10kΩ Lines

+4dBu (1.23 V) +24dBu (12.28V)  

D-SUB

Connector 25P (Female)

 

Balanced

-2dBu (0.62V) +18dBu (6.16 V)

DIGITAL INPUT CHARACTERISTICS

Terminal Format Data length Level Connector Balanced / Unbalanced
AES/EBU 1 – 16 AES/EBU 24bit RS422 D-SUB Connector 25P (Female) Balanced

DIGITAL OUTPUT CHARACTERISTICS

Terminal Format Data length Level Connector Balanced / Unbalanced
AES/EBU 1 – 16 AES/EBU 24bit RS422 D-SUB Connector 25P (Female) Balanced

DIGITAL INPUT & OUTPUT CHARACTERISTICS

Terminal Format Data length Level Audio Connector
Primary/Secondary Dante 24bit 1000Base-T 64ch Input 64ch Output etherCON x 2

CONTROL I/O CHARACTERISTICS

Terminal Format Level Connector Balanced / Unbalanced
GPI IN D-SUB Connector 25P (Female)
OUT
WORD CLOCK IN TTL/75Ω terminated BNC
OUT TTL/75Ω
  • GPI inputs ch1 – 12: Optoisolator, Rated input voltage = 30V, Load current = 3mA (typical). See figure
  • GPI inputs ch13 – 16: Optoisolator, IN+ input voltage range = 5V to 24V, IN+ rated input voltage = 30V, Load current = 2mA @5V or 10mA @24V (typical). See figure
  • GPI outputs ch1 – 10: Open collector, Maximum sink current = 75mA (per channel), Withstanding voltage = 12V
  • GPI power output: Output voltage = 5V +/- 25V, Maximum source current = 300mA

EXTERNAL DC INPUT CHARACTERISTICS

Terminal Connector
BACKUP DC INPUT XLR-4-32 type

General specifications

Power Requirements (wattage) 45W
 

Power Requirements for MAIN AC INPUT (voltage and hertz)

US/Canada: 120V 60Hz Japan: 100V 50/60Hz China: 110 – 240V 50/60Hz

Korea: 220V 60Hz

Other: 110 – 240V 50/60Hz

Power Requirements for BACKUP DC INPUT 12V-14.8V, 4A
Temperature Range Operating temperature range: 0 – 40°C Storage temperature range: -20 – 60°C
Dimensions (W x H x D) 480 x 88 x 368 mm (18-7/8″ x 3-1/2″ x 14-1/2″)
Net Weight 7.0 kg (15.43 lb)
Included Accessories Power cable, Ferrite core, Operation Manual, Rubber stoppers (4)

Pin assignment

ANALOG [INPUT] connector

Signal Input Ch Open GND
1 2 3 4 5 6 7 8
Pin Hot 24 10 21 7 18 4 15 1  

13

2, 5, 8, 11, 16, 19, 22,

25

Cold 12 23 9 20 6 17 3 14

ANALOG [OUTPUT] connector

Signal Output Ch Open GND
1 2 3 4 5 6 7 8
Pin Hot 24 10 21 7 18 4 15 1  

13

2, 5, 8, 11, 16, 19, 22,

25

Cold 12 23 9 20 6 17 3 14

[AES/EBU] connectors

 

Signal

Data In Ch Data Out Ch  

Open

 

GND

1-2 3-4 5-6 7-8 1-2 3-4 5-6 7-8
9-10 11-12 13-14 15-16 9-10 11-12 13-14 15-16
Pin Hot 1 2 3 4 5 6 7 8  

9,11

10, 12, 13, 22, 23, 24,

25

Cold 14 15 16 17 18 19 20 21

[BACKUP DC INPUT] connector

Signal

Open

GND

+12V

Pin

2, 3

1

4

GPI [INPUT] connector

Signal

GPI Input Channel

Open GND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Pin IN, IN+ 1 14 2 15 3 16 4 17 5 18 6 19 20 21 22 23  

13

11, 12

24, 25

IN+ 7 8 9 10

GPI [OUTPUT] connector

Signal GPI Output Channel Open GND +5V
1 2 3 4 5 6 7 8 9 10
Pin OUT 1 2 3 4 5 6 7 8 9 10  

13

11

24

12

25

COM 14 15 16 17 18 19 20 21 22 23


Dimensions

The contents of this manual apply to the latest specifications as of the publishing date. To obtain the latest manual, access the Yamaha website then download the manual file.

Software Licenses and Copyrights

GNU GENERAL PUBLIC LICENSE

Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
1 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA  Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.

Preamble
The licenses for most software are designed to take away your freedom to share and change it. By contrast, the  GNU General Public License is intended to guarantee your freedom to share and change free software–to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation’s software and to any other program whose authors commit to using it. (Some other Free Software  Foundation software is covered by the GNU Lesser General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public  Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code.  And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and  (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author’s protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors’ reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone’s free use or not licensed at all. The precise terms and conditions for copying, distribution, and modification follow.

GNU GENERAL PUBLIC LICENSE

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The “Program”, below, refers to any such program or work, and a “work based on the Program” means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in  the term “modification”.) Each licensee is addressed as “you”. Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program  (independent of having been made by running the Program). Whether that is true depends on what the  Program does.

  1. You may copy and distribute verbatim copies of the Program’s source code as you receive it, in any medium,  provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee.
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    a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change.
    b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third
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    c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a
    warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the
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  3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following:
    a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or,  c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code.
  4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights,  from you under this License will not have their licenses terminated so long as such parties remain in full compliance.
  5.  You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and onditions for copying, distributing or modifying the Program or works based on it.
  6.  Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions.  You may not impose any further restrictions on the recipients’ exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License.
  7. If, as a consequence of a court  judgment or allegation of patent infringement or for any other reason (not limited to patent issues),
    conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole  is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole urpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.
  8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such a case, this License incorporates the limitation as if written in the body of this License.
  9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License that applies to it and “any later version”, you have the option of following the terms and conditions either of that version or of any later version published by the Free software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation.
  10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission.  or software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally.

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  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN  OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES  PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED  OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE  PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE  TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE  PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE  PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR  THER  PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

END OF TERMS AND CONDITIONS

How to Apply These Terms to Your New Programs

If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software that everyone can redistribute and change under these terms. To do so,  attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty, and each file should have at least the “copyright” line and a pointer to where the full notice is found. <one line to give the program’s name and a brief idea of what it does.> Copyright (C) <year> <name of author> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the  License or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS  OR  A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w’. This is free software, and you are elcome to redistribute it under certain conditions; type `show c’ for details. The hypothetical commands `show w’  nd `show c’ should show the appropriate parts of the General Public License. Of course, the commands you use  ay be called something other than `show w’ and `show c’; they could even be mouse-clicks or menu items– whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if  any, to sign a “copyright disclaimer” for the program, if necessary. Here is a sample; alter the names: Yoyodyne,  Inc., hereby disclaims all copyright interest in the program `Gnomovision’ (which makes passes at compilers) written by James Hacker. <signature of Ty Coon>, 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the

GNU LESSER GENERAL PUBLIC LICENSE

Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. [This is the first released version of the Lesser GPL. It also counts as the successor of the GNU Library  Public License, version 2, hence the version number 2.1.]

Preamble
The licenses for most software are designed to take away your freedom to share and change it. By contrast, the  GNU General Public Licenses are intended to guarantee your freedom to share and change free software–to make sure the software is free for all its users. This license, the Lesser General Public License, applies to some specially designated software packages–typically libraries–of the Free Software Foundation and other authors who decide to use it. You can use it too, but we suggest you first think carefully about whether this license or the ordinary General Public License is the better strategy to use in any particular case, based on the explanations below. When we speak of free software, we are referring to freedom of use, not price. Our General Public  Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish); that you receive source code or can get it if you want it; that you can change the software and use pieces of it in new free programs; and that you are informed that you can do these things. To protect your rights, we need to make restrictions that forbid distributors to deny you these rights or asking you to surrender these rights. These restrictions translate to certain responsibilities for you if you distribute copies of the library or if you modify it. For example, if you distribute copies of the library, whether gratis or for a fee, you must give the recipients all the rights that we gave you. You must make sure that they, too, receive or can get the source code. If you link other code with the library, you must provide complete object files to the recipients, so that they can relink them with the library after making changes to the library and recompiling it. And you must show them these terms so they know their rights.  We protect your rights with a two-step method: (1) we copyright the library, and (2) we offer you this license, which gives you legal permission to copy, distribute and/or modify the library.  To protect each distributor, we want to make it very clear that there is no warranty for the free library.   lso, if the library is modified by someone else and passed on, the recipients should know that what they have is ot the original version, so that the original author’s reputation will not be affected by problems that might be introduced by others. Finally, software patents pose a constant threat to the existence of any free program. We wish o make sure that a company cannot effectively restrict the users of a free program by obtaining a restrictive license from a patent holder. Therefore, we insist that any patent license obtained for a version of the library must e consistent with the full freedom of use specified in this license. Most GNU software, including some libraries, is covered by the ordinary GNU General Public License. This license, the GNU Lesser General Public License,  applies to certain designated libraries and is quite different from the ordinary General Public License. We use this license for certain libraries in order to permit linking those libraries into non-free programs. When a program is linked with a library, whether statically or using a shared library, the combination of the two is legally speaking a combined work, a derivative of the original library. The ordinary General Public License, therefore, permits such linking only if the entire combination fits its criteria of freedom. The Lesser General Public License permits more ax criteria for linking other code with the library.We call this license the “Lesser” General Public License because it does Less to protect the user’s freedom than the ordinary General Public License. It also provides other free software developers Less of an advantage over competing for non-free programs. These disadvantages are the reason e use the ordinary General Public License for many libraries. However, the Lesser license provides advantages in certain special circumstances. For example, on rare occasions, there may be a special need to encourage the widest possible use of a certain library, so that it becomes a de-facto standard. To achieve this, non-free programs must bellow to use the library. A more frequent case is that a free library does the same job as widely used non-free libraries. In this case, there is little to gain by limiting the free library to free software only, so we use the Lesser  General Public License. In other cases, permission to use a particular library in non-free programs enables a greater number of people to use a large body of free software. For example, permission to use the GNU C Library in non- ree programs enables many more people to use the whole GNU operating system, as well as its variant, the  NU/Linux operating system. Although the Lesser General Public License is Less protective of the users’ freedom,  t does ensure that the user of a program that is linked with the Library has the freedom and the wherewithal to run that program using a modified version of the Library. The precise terms and conditions for copying, distribution, and modification follow. Pay close attention to the difference between a “work based on the library” and a “work that uses the library”. The former contains code derived from the library, whereas the latter just be combined with the library in order to run.

TERMS AND CONDITIONS FOR COPYING,  DISTRIBUTION, AND MODIFICATION

0. This License Agreement applies to any software library or other program which contains a notice placed by the copyright holder or other authorized party saying it may be distributed under the terms of this Lesser General ublic License (also called “this License”). Each licensee is addressed as “you”.  A “library” means an ollection of software functions and/or data prepared so as to be conveniently linked with application programs (which use some of those functions and data) to form executables.  The “Library”, below, refers to any such software library or work which has been distributed under these terms. A “work based on the Library” means either the Library or any derivative work under copyright law: that is to say, a work containing the Library or a portion of it, either verbatim or with modifications and/or translated straightforwardly into another language.  Hereinafter, translation is included without limitation in the term “modification”.) “Source code” for a work means he preferred form of the work for making modifications to it. For a library, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the library. Activities other than copying, distribution, and modification are to be covered by this License; they are outside its scope. The act of running a program using the Library is not restricted, and output from such a program is covered only if its contents constitute a work based on the Library independent of the use of the Library in a tool for writing it). Whether that is true depends on what the Library does and what the program that uses the Library does.

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(For example, a function in a library to compute square roots has a purpose that is entirely well-defined independent of the application. Therefore, Subsection 2d requires that any application-supplied function or table used by this function must be optional: if the application does not supply it, the square root function must still compute square  roots.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Library and can be reasonably considered independent and separate works in themselves, then his License, and its terms, do not apply to those sections when you distribute them as separate works. But when ou distributes the same sections as part of a whole which is a work based on the Library, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or to test your rights to work written entirely by you; rather, the intent is to exercise the right to control the is bution of derivative or collective works based on the Library. In addition, mere aggregation of another work ot based on the Library with the Library (or with a work based on the Library) on a volume of a storage or distribution medium does not bring the other work under the scope of this License.

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  •  Accompany the combined library with a copy of the same work based on the Library, uncombined with any other library facilities. This must be distributed under the terms of the Sections above.
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NO WARRANTY

15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE  LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE  STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES  PROVIDE THE LIBRARY “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR  IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE  QUALITY AND PERFORMANCE OF THE LIBRARY IS WITH YOU. SHOULD THE LIBRARY  PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR  CORRECTION.

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END OF TERMS AND CONDITIONS

How to Apply These Terms to Your New Libraries 
If you develop a new library, and you want it to be of the greatest possible use to the public, we recommend making it free software that everyone can redistribute and change. You can do so by permitting redistribution under these terms (or, alternatively, under the terms of the ordinary General Public License). To apply these terms, attach the following notices to the library. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty, and each file should have at least the “copyright” line and a pointer to where the full notice is found. <one line to give the library’s name and an idea of what it does.> Copyright (C) <year> <name of author>  This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License or (at your option) any later version. This library is distributed