Document:

Exhibit 10.4

                              SETTLEMENT AGREEMENT

      SETTLEMENT AGREEMENT entered into as of October 29, 2001, by and between
AMBIENT CORPORATION, a Delaware corporation with its principal offices at 1033
Beacon Street, Brookline MA (hereinafter, the "Company") and ARYEH WEINBERG , of
8712 Allenswood Rd. Randallstown, MD (hereinafter, "Weinberg").

                               W I T N E S S E T H

      WHEREAS, Weinberg formerly served as Chief Financial Officer of each of
the Company and certain of its subsidiaries as well as a director of the
Company;

      WHEREAS, Weinberg's employment and directorship were terminated by mutual
agreement between Weinberg and the Company, and the terms relating to such
agreement were reflected in that certain Termination Agreement between Weinberg
and the Company dated as of September 4, 2000 ("Termination Agreement");

      WHEREAS, certain disputes arose between Weinberg and the Company with the
terms and the conditions of the Termination Agreement; and

      WHEREAS, the parties desire to set forth their agreement respecting the
resolution of these disputes, all as hereinafter set forth.

NOW, THEREFORE, in consideration of the agreements and covenants contained
herein, Weinberg and the Company hereby agree as follows:

1.    Undertaking by Company

      1.1   In consideration of the releases contained in Section 2 hereof,

      (i) the Company shall immediately place in escrow with Weinberg's attorney
      for release to Weinberg (upon Weinberg's execution of this Agreement), an
      amount equal to$74,000 less, corrected withholdings and other deductions
      customarily withheld by the Company with respect to salary paid in 2000,
      as well as value added tax and other taxes payable under Israeli law with
      respect to the transfer to Weinberg of title to the Company automobile
      pursuant to sub-paragraph (iv) below, such deductions to be in an
      aggregate amount of $9,784.41;

      (iii) Notwithstanding anything to the contrary contained in the Company
      1998 Stock Option Plan (hereinafter, the "1998 Plan"), Weinberg shall be
      entitled to exercise through December 31, 2003 options granted to him
      under the 1998 Plan prior to the date hereof comprised of options for
      51,000 shares of Common Stock, par value $0.001 of the Company
      (hereinafter, the "Common Stock") exercisable at an exercise price per
      share of $0.81 and options for 30,000 shares of Common Stock at an
      exercise price per share of $0.01; and

      (iv) forthwith take all actions and execute instruments necessary or
      desirable to transfer to Weinberg title to the Automobile (all loans
      thereon having paid by Ambient)currently used by Weinberg.

      The parties acknowledge and agree that the amounts payable under
sub-sections (i) above are remitted to Weinberg in consideration of Weinberg's
compliance with the non-compete and confidentiality provisions of the Employment
Agreement. The Company

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anticipates that the amounts payable under sub-sections (i) above will be
reported on a Form 1099.

      Additionally, the Company acknowledges to Weinberg that it anticipates
that it will be filing in the course of calendar year 2002 a registration
statement under the Securities Act of 1933, as amended, on Form S-8 (or such
other appropriate form) relating to the stock options issued or issuable with
respect to the Company's 1998 stock Option plan and the 2000 Equity Incentive
Plan, though no undertaking is hereby assumed to so file such registration
statement.

2.    Release

      2.1 In consideration of the Company's undertakings under Section 1 above,
Weinberg (and each of his heirs, successors, executors, attorneys, personal
representatives and assigns) does hereby absolutely and unconditionally waive,
release and forever discharge each of the Company and Kliks.com Ltd, an Israeli
affiliate of the Company, Ambient Ltd. and Insulated Connection Corporation,
each being Israeli subsidiaries of the Company and PLT Solutions, Inc., a
Delaware subsidiary of the Company (referred to collectively hereinafter as the
"Companies"), their respective affiliates, officers, directors, shareholders,
employees, agents, attorneys, insurers, successors and assigns, from any claims,
demands, obligations, liabilities, rights, causes of action and damages, whether
liquidated or unliquidated, absolute or contingent, known or unknown, arising
prior to or concurrent with the date hereof including specifically, but without
limiting the generality of the foregoing, claims relating to or arising under
the Employment Agreement or the Termination Agreement, provided, that,
notwithstanding anything to the contrary contained herein, the foregoing release
shall not be construed to apply with respect to any continuing obligation or
duty of Weinberg under Section 7 (Confidentiality) and Section 8 (Non-compete)
in the Employment Agreement. The foregoing release shall not be construed as a
waiver by Weinberg of the due and full performance by the Company of its
obligations specifically undertaken pursuant to this Agreement.

      2.2 In consideration of Weinberg's release, each of the Companies (and
each of their respective affiliates, officers, directors, shareholders,
employees, agents, attorneys, insurers, successors and assigns) does hereby
absolutely and unconditionally waive, release and forever discharge Weinberg
(and each of his heirs, successors, executors, attorneys, personal
representatives and assigns), from any claims, demands, obligations,
liabilities, rights, causes of action and damages, whether liquidated or
unliquidated, absolute or contingent, known or unknown, arising prior to or
concurrent with the date hereof including specifically, but without limiting the
generality of the foregoing, claims relating to or arising under the Employment
Agreement or the Termination Agreement. The foregoing release shall not be
construed as a waiver by Companies of the due and full performance by Weinberg
of his obligations specifically undertaken pursuant to this Agreement.

3.    Continuing Obligations

      Notwithstanding the Company's releases contained in Section 3.1 hereof,
Weinberg hereby acknowledges and agrees that the provisions of Section 7
(Confidentiality) and Section 8 (Non-Compete) of the Employment Agreement shall
continue in full force and effect in accordance with their terms and nothing
contained herein shall be construed or interpreted as a waiver by the Company or
any of the other Companies of any right or remedy available to any thereof in
respect of the breach or non compliance by Weinberg of his obligation
thereunder.

4.    Miscellaneous

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      4.1 Assignment and Succession. The rights and obligations of the Company
under this Agreement shall inure to the benefit of and be binding upon its
successors and assigns. Weinberg's rights and obligations hereunder are personal
and may not be assigned.

      4.2 Headings. The Article, Section , paragraph and subparagraph headings
are for convenience of reference only and shall not define or limit the
provisions hereof.

      4.3 Invalidity. If any provision of this Agreement is or becomes invalid,
illegal or unenforceable in any respect under any law, the validity, legality or
enforceability of the remaining provisions hereof shall not in any way be
affected or impaired.

      4.4 Waivers. No omission or delay by either party hereto in exercising any
right, power or privilege hereunder shall impair such right, power or privilege,
nor shall any single or partial exercise of any such right, power or privilege,
preclude any further exercise thereof, or the exercise of any other right, power
or privilege.

      4.5 Counterparts. This Agreement may be executed in multiple counterparts,
each of which shall be deemed an original but all of which together shall
constitute one and the same instrument.

      4.6 Entire Agreement. This Agreement contains the entire understanding of
the parties and supersedes all prior agreements and understandings relating to
the subject matter hereof. No representation, promise or inducement has been
made by either party hereto that is not embodied in this Agreement and neither
party shall be bound by or liable for any alleged representation, promise or
inducement not set forth herein. This Agreement may not be amended, except by a
written instrument hereafter signed by each of the parties hereto. The parties
agree that a fully executed faxed copy shall serve as an original. Upon full
execution of this agreement, attorney for Weinberg shall prepare a Stipulation
of Settlement and forward same to Ambient's attorney for filing in Supreme
Court, New York County, under Index NO. 114815-01

      Interpretation. The parties hereto acknowledge and agree that each party
      and its or his counsel reviewed and negotiated the terms and provisions of
      this Agreement.

      4.8 Governing Law; Dispute Resolution and Jurisdiction. This Agreement and
the performance hereof shall be construed and governed in accordance with the
internal laws of the State of New York without reference to principles of
conflict of laws. Each party hereby irrevocably consents to the jurisdiction of
the appropriate New York State Court venued in the County of Manhattan for any
dispute or action relating to this Agreement.

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      IN WITNESS WHEREOF, the Company has caused this Agreement to be signed by
its duly authorized officer and Weinberg has signed this Agreement as of the day
and year first above written.

                                        AMBIENT CORPORATION

                                        By: /s/ WIlfred Kopecowrit
                                           -------------------------------------
                                        Title

                                        /s/  Aryeh Weinberg
                                        ----------------------------------------
                                        ARYEH WEINBERGExhibit 10.6

                                 FIRST AMENDMENT
                                       TO
                                    AGREEMENT

      FIRST AMENDMENT TO AGREEMENT (this "Amendment"), dated as of November 12,
2001, by and between Ambient Corporation, a Delaware corporation ("Ambient" or
the "Company"), and Mark S. Isaacson ("Isaacson").

                               W I T N E S S E T H

      WHEREAS, the parties hereto are parties to an Agreement, dated September
5, 2001 (the "Agreement"); and

      WHEREAS, the parties hereto desire to amend the Agreement as provided in
this Amendment;

      NOW, THEREFORE, in consideration of the terms and conditions hereafter set
forth, the adequacy and sufficiency of which are hereby acknowledged, the
parties hereto agree as follows:

      1. Capitalized terms defined in the Agreement and not otherwise defined in
this Amendment shall have the meanings provided in the Agreement.

      2. Section 3(a) of the Agreement is hereby deleted in its entirety and
replaced by the following:

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            "(a) In consideration for Isaascson's continuing agreements not to
compete with the business of Ambient as set forth in the Employment Agreement
(which agreements are hereby reaffirmed in this Amendment), Isaacson shall be
entitled to receive a "non-competition payment" from the Company in an amount
equal to Two Hundred and Six Thousand Two Hundred Fifty Dollars ($206,250.00)
(the "Non-Competition Payment"). Isaacson acknowledges that Ambient previously
has made advances to Isaacson in the aggregate amount of One Hundred
Twenty-Three Thousand Seven Hundred Fifty Dollars ($123,750.00), and in
addition, "Medicare" tax in the amount of Seven Thousand Four Hundred Fifty
Three Dollars ($7,453.00) is due from Isaacson to the Company, each of which is
to be credited against the Non-Competition Payment and, accordingly, Ambient
agrees to remit to counsel for Isaacson, to be held in escrow pending delivery
of all documents and completion of all matters referred to in this Amendment, by
wire transfer of immediately available funds, and simultaneously with the
execution and delivery of this Amendment, an amount equal to Seventy-Five
Thousand Forty-Seven Dollars ($75,047.00). Ambient will be responsible for
remitting all "Medicare" withholding taxes applicable to amounts that will be
reported on Isaacson's W-2 for the 2001 year. Isaacson further agrees to execute
and to return to Ambient the Form W-4 in the form of Exhibit A hereto
simultaneously with the wire transfer. Isaacson certifies to Ambient that
Isaacson reasonably expects to be entitled to and will itemize deductions for
the tax year 2001. Isaacson further agrees that Ambient will report (i) an
additional amount of Five Hundred Fourteen Thousand Four Dollars ($514,004.00)
(above the amounts previously reported through September 1, 2001) on Isaacson's
W-2 form for 2001 and (ii) an additional amount of Seven

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<PAGE>

Hundred Seventy Seven Thousand Twenty Four Dollars ($777,024.00) on Form 1099
for the fiscal year of 2001."

      3. Section 3(b) of the Agreement is hereby amended by the addition of the
following at the end of such Section 3(b):

            "(b)...Simultaneously with the execution and delivery of this
Amendment, the parties shall execute and deliver the Stock Option Agreement in
the form of Exhibit B to this Amendment."

      4. Section 8 of the Agreement is hereby deleted in its entirety and
replaced by the following:

            "8. Non-Disparagement. Isaacson (on behalf of his heirs and personal
representatives), agrees not to disparage Ambient or any of its employees,
consultants, stockholders, directors, affiliates, subsidiaries or
representatives. In addition, Isaacson shall not make any statements to third
parties regarding his views with respect to the power lines telecommunication
industry and the prospective success of such industry. Ambient (on behalf of its
employees, consultants, directors, affiliates and subsidiaries), agrees not to
disparage Isaacson."

      5. On or before November 16, 2001, Ambient will deliver to Isaacson that
certain Mercedes E320 automobile which is registered in the name of Isaacson, to
such location in the

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<PAGE>

Boston, Massachusetts or New York City metropolitan areas as may be directed by
Isaacson in writing to Ambient. Isaacson agrees that if no such direction letter
is provided to Ambient, such automobile will be delivered to counsel for
Isaacson. Isaacson acknowledges that all obligations relating to such
automobile, including insurance, lease or loan payments, are the responsibility
and the obligation of Isaacson; provided that Ambient will pay for one-half of
the November 2001 lease payment.

      6. Releases. Section 7 of the Agreement is hereby deleted in its entirety
and replaced with the following:

            A. In consideration of Ambient's agreements, Isaacson (and each of
his respective agents, heirs, successors, executors, personal representatives,
and assigns) does hereby absolutely and unconditionally waive, release and
forever discharge Ambient, its respective affiliates, officers, directors,
shareholders, employees, agents, attorneys, insurers, successors and assigns,
from any claims, demands, obligations, liabilities, rights, causes of action and
damages, whether liquidated or unliquidated, absolute or contingent, known or
unknown, arising prior to or concurrent with the date hereof.

            B. In consideration of the releases in subparagraph "A" above and
Isaacson's agreement to enter into the non-competition agreement set forth in
the Employment Agreement, Ambient (and each of its officers, directors,
employees, attorneys, agents, successors, executors and assigns) does hereby
absolutely and unconditionally waive, release and forever discharge Isaacson,
his respective affiliates, agents, attorneys, insurers, successors and assigns,
from any claims, demands, obligations, liabilities, rights, causes of action and
damages, whether liquidated

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<PAGE>

or unliquidated, absolute or contingent, known or unknown, arising prior to or
concurrent with the date hereof.

            C. The foregoing releases shall not be construed as a waiver by
Ambient or Isaacson of the obligations of Isaacson to Ambient, or Ambient to
Isaacson, respectively, with respect to confidentiality and non-competition
contained in the Employment Agreement and any undertakings of Isaacson or
Ambient pursuant to this Agreement.

      7. Personal Property: Ambient and Isaacson agree that with respect to
Sections 3(e) and (f) of the Agreement, the parties have distributed such
equipment and personalty as each is entitled to retain under the terms of such
sections, and neither party shall make any claim for the return of any such
personalty from the other.

      8. In all other respects, the Agreement remains in full force and effect,
and the parties reaffirm all of their respective agreements therein, including
without limitation, the provisions relating to "Continuing Obligations" in
Section 6 thereof.

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<PAGE>

      IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the
date set forth above.

                                             AMBIENT CORPORATION

                                             By: /s/ John Joyce
                                                --------------------------------
                                             Name: John Joyce
                                             Title: CEO

                                             /s/ Mark Isaacson
                                             -----------------------------------
                                             MARK S. ISAACSON

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