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    [ISSUER
      LETTERHEAD]
    
    
    
    February
      28, 2008
    
    
    Securities
      and Exchange Commission
    Division
      of Corporation Finance
    Mail
      Stop
      6010
    Washington,
      D.C. 20549
    
    Attn:
       Mr.
      Brian
      Cascio, Accounting Branch Chief
    Gary
      Todd
    
    RE:
       e.Digital
      Corporation
    Form
      10-K
      for the fiscal year ended March 31, 2007
    File
      No.
      000-20734
    
    Dear
      Mr.
      Cascio:
    
    This
      letter is in response to staff comments dated February 13, 2008. 
    
    We
      acknowledge on behalf of the company that:
    
    
      
          
            | · | the
                company is responsible for the adequacy and accuracy of the disclosure
                in
                the filing; | 
      
     
    
      
          
            | · | staff
                comments or changes to disclosure in response to staff comments do
                not
                foreclose the Commission from taking any action with respect to the
                filing; and | 
      
     
    
      
          
            | · | the
                company may not assert staff comments as a defense in any proceeding
                initiated by the Commission or any person under the federal securities
                laws of the United States. | 
      
     
    
    The
      itemized responses below are keyed to and respond to the same comment number
      enumerated in your letter dated February 13, 2008.
    
    Comment
    1.
      Please tell us and more specifically disclose how and when you recognize revenue
      for content and related services, including how you recognize revenue when
      you
      have been engaged to provide both hardware and content. The written response
      should also address the basis in GAAP for your underlying
      policies.
    
    Response
    1.
      In
      late calendar 2006 we commenced selling hardware (eVU video hard-drive playback
      units) and offering services to periodically encode and update content (movies,
      music, games etc.) for players to customers. Prior to that time our video
      hardware product revenues were from sales to customers that provided their
      own
      content services. Our prior service revenue (FY 2005 and 2006) was primarily
      from research and development contracts for customers.
    
    As
      disclosed in the body of our 10-K content services include coding
      content (purchased by us or provided by the customer), integrating the content
      with our proprietary GUI (graphical user interface) software to produce a master
      content file (containing content and the customized GUI interface) for rapid
      uploading to multiple players. Our GUI allows ease of use and can accommodate
      multiple languages. Our tested and Hollywood studio approved encryption methods
      protect content from being pirated. These services allow protected content
      on
      eVU players to be periodically updated through e.Digital Content Loading
      Stations by our customers or VARs or others on their behalf.
    
    
    For
      the period ended March 31, 2007 we had no content service revenue as we had
      yet
      to provide a customer with such a periodic content load (See response 2 below
      for current policy). We concluded after an analysis including Statement
      of Financial Accounting Concepts No. 5, Staff Accounting Bulletin No. 104 and
      EITF Issue No. 00-21
      that hardware sales and the provision of periodic content services were separate
      accounting elements. We used the application guidance contained in Issue #1
      of
      EITF 00-21 which lists three criteria that a deliverable must meet, within
      a
      multiple element arrangement, in order to qualify as a separate unit of
      accounting:
    
      
          
            | (a) | The
                delivered item(s) has value to the customer on a standalone
                basis, | 
      
     
    
      
          
            | (b) | There
                is objective and reliable evidence of the fair value of the undelivered
                item(s), and | 
      
     
    
      
          
            | (c) | If
                the arrangement includes a general right of return relative to the
                delivered item, delivery or performance of the undelivered item(s)
                is
                considered probable and substantially in control of the
                vendor. | 
      
     
    Each
      element (hardware and content services) has standalone value to the customer
      and
      there is objective and reliable evidence of the fair value of each element
      and
      no general right of return exists. We separately price each element for certain
      customers. We have sold players separately in the past without providing content
      services. And other vendors provide competing hardware and other vendors and
      customers provide competing content services.
    
    Our
      initial customer relationships separately priced and provided separate contract
      arrangements for the hardware sales versus content services but we determined
      that if future arrangements do not separately price hardware sales and a series
      of content services that the values would be allocated based on the best
      evidence available. In our current fiscal year we entered into one such
      arrangement where the pricing included hardware and a series of future content
      services.
    
    Comment
    2.
      Please revise future filings to specifically identify when you apply multiple
      element accounting. In that regard, please identify the multiple elements
      involved, state how you determine fair value of the individual elements and
      describe the revenue policy for each element. Overall, your disclosure should
      clarify why you believe the transactions are appropriately accounted for as
      multiple element arrangements as described in EITF 00-21.
    
    Response
    
    2.
      Our
      first transaction with multiple elements that was not separately contracted
      and
      priced occurred in Q2 of FY 2008. We point staff to our disclosure starting
      in
      our second quarterly report on Form 10-Q for the current year in a subsection
      entitled “Critical Accounting Policies” of Item
      2. Management’s Discussion and Analysis of Financial Condition and Results of
      Operations.
      This
      expanded revenue recognition policy disclosure reflects the fact that content
      services became a larger element of accounting and our Company had its first
      arrangement that combined multiple elements in one contract. This expanded
      and
      revised policy from our Form 10-Q for the second quarter ended September 30,
      2007 and filed on November 9, 2007 from page 15 states:
    
    .
      . .
As
      our revenues from both products and services related to our eVU product line
      have increased we have refined and expanded our critical accounting policy
      titled “Revenue Recognition” as follows:
    
    
    
    Revenue
      recognition
    The
      Company recognizes product revenue upon shipment of a product to the customer,
      FOB shipping point, or upon acceptance by the customer depending on the specific
      contract terms, if a signed contract exists, the fee is fixed and determinable,
      collection of resulting receivables is probable and there are no resulting
      obligations. Research and development contract revenues on short-term projects
      or service revenue is recognized once the services or product has been
      delivered, the fee is fixed and determinable, collection of the resulting
      receivable is probable and there are no resulting obligations. If all of the
      service or product has been delivered and there is one element that is more
      than
      perfunctory to the services or product that has not been delivered, revenue
      will
      be recognized evenly over the remaining term of the undelivered
      element.
    
    The
      Company enters into arrangements that include multiple elements such as hardware
      and content and other services. Revenue from these arrangements is allocated
      based on the fair value of each element. The Company defers revenue for any
      undelivered elements, and recognizes revenue when the product is delivered
      or
      over the period in which the service is performed, in accordance with the
      Company’s revenue recognition policy for such element. If the Company cannot
      objectively determine the fair value of any undelivered element included in
      a
      multiple-element arrangement, revenue is deferred until all elements are
      delivered and/or services have been performed, or until the Company can
      objectively determine the fair value of all remaining undelivered
      elements.
    
    Revenue
      from separately priced extended warranty or product replacement arrangements
      is
      deferred and recognized to income on a straight-line basis over the contract
      period. The Company evaluates these arrangements to determine if there are
      excess costs greater than future revenues to be recorded as a loss.
    
    Funds
      received in advance of meeting the criteria for revenue recognition are deferred
      and are recorded as revenue as they are earned. 
    
    We
      will
      revise future filings to specifically identify when we apply multiple element
      accounting and identify the multiple elements involved, the determination of
      the
      fair value of individual elements and our revenue policy for each element.
      We
      understand it is our responsibility to account for such multiple element
      transactions as described in EITF 00-21. We
      will expand our 10-Q policy description above and disclosure in future filings
      additional information on how we determine fair value (prices regularly used
      with other customers) and disclosing that content revenue is recognized when
      the
      content services are delivered to the customer and other revenue elements are
      met.
    
    Comment
    3.
      In
      future filings, please also describe the circumstances that result in long-term
      deferred revenue.
    
    Response
    
    3.
      In future filings we will describe the circumstances that result in long-term
      deferred revenue which to date have principally been provision of content
      services and separately priced extended warranties.
    
    Comment
    4.
      We
      see from page 23 that you reduced accrued liabilities by $515,000 for a disputed
      lease liability. Please tell us about the background and nature of the dispute
      related to the lease liability. Please also clarify why you believe that the
      expiration of the statute of limitations negates the legal liability that should
      be recorded under U.S. GAAP. Please specifically address the requirements of
      paragraph 16 to SFAS 140.
    
    
    Response
    
    4.
      In our FY2007 Q4 we reduced accrued liabilities by $515,000. This liability
      was
      described in prior filings as: 
    We
      have an accrued lease liability of $515,000 that arose in the normal course
      of
      business for equipment delivered to the company. This amount is approximately
      nine years old. The accrued lease liability reflects management's best estimate
      of amounts due for matters in dispute. Settlement of this liability may either
      be more or less than the amount recorded in the audited consolidated financial
      statements and accordingly may be subject to measurement uncertainty in the
      near
      term.
    
    This
      line item was also discussed in prior fair value policy notes in our financial
      statements.
    
    The
      $515,000 reduction in accrued liabilities was described and quantified in the
      overall performance and the results of operations sections of our
      MD&A.
    
    Background
      and Nature of Accrual
    This
      liability arose in 1997 when we discontinued certain contract manufacturing
      services and returned a chip on board machine under lease from Comdisco and
      had
      been carried on the balance sheet since that time period.
    
    Although
      we concluded at that time that some amount may be owed we were unable to
      validate the claim by the lessor or obtain documentation regarding their
      computation of the claimed amount. This was apparently due to multiple sales
      of
      the subject leasing legal entity to a series of companies and the financial
      failure of same. So while we had an invoiced amount we were not convinced that
      the lessor had actually incurred such a loss on the early takeback of the leased
      equipment. Since no attempt was made to collect by any entity during the ensuing
      years we disclosed the nature of the item in the future commitments section
      of
      our 10-Ks identifying it as both being in dispute and subject to measurement
      uncertainty.
    
    Negation
      of Legal Liability and GAAP
    Based
      on discussions with counsel we have been advised that after ten years in the
      state of Illinois it is improbable that this liability could be enforced.
    
    Since
      no
      further action is contemplated related to this item, the tolling of the statute
      of limitations could be considered an effective judicial release under Paragraph
      16(b) of SFAS 140. International Accounting Standards IAS
      39.AG 57(b) uses the term “process of law” rather than judicial release and we
      believe the statute of limitations tolling qualifies for debt
      derecognition. However,
      we
      note that Paragraph 4 of SFAS 140 states: “This Statement does not address
      subsequent measurement of assets and liabilities, except for (a) servicing
      assets and servicing liabilities.” We do not believe the accrued lease liability
      is a servicing liability (Glossary of SFAS 140). The liability does not related
      to servicing a financial asset. The extinguishment of liabilities discussion
      at
      Paragraph 309 et.al. refers to this scope limitation and Paragraph 315
      specifically refers to liabilities within the scope of Paragraph 4. We do not
      believe the referenced debt is within the scope of Paragraph 4 and that
      accounting is more appropriate under APB 26, as amended and SFAS 5. APB 26
      paragraph 3(a) refers to those instances where SFAS 140 is applicable. A
      distinction exists between the extinguishment of liability (SFAS 140) versus
      extinguishment of debt (APB 26). APB 26 applies to “all extinguishments of debt,
      whether early or not,” (Paragraph 2) and accordingly we do not believe it
      requires a payment to settle (the process of law could suffice). Paragraph
      19
      and 20 provide that regardless of the means to achieve extinguishment that
      the
      gain should be in current income.
     
    
    Also
      we view the original accrual made ten years ago as an estimate of what was
      possibly due on settling a claim on the equipment lease takeback, effectively
      a
      loss contingency for an actual or possible claim under SFAS 5. Factors to be
      considered under Paragraph 33 include the period in which an actual or possible
      claim occurred and the probability of unfavorable outcome. We believe the
      tolling of the statute of limitations made the probability of unfavorable
      outcome to now be remote. Although nonauthoritative, AICPA Technical Practice
      Aids Section 3400.01 discusses a contested liability that is extinguished upon
      the statute of limitations effectively baring filing suit (in our case the
      statute of limitations effectively bars collection of the contested debt).
      
    
    Comment
    5.
      As
      a related matter the notes to future financial statements should include a
      description of this transaction and the basis in GAAP for the accounting
      applied. In addition, please note that the impact of any unusual material items
      included in operating results should be described and quantified in
      MD&A.
    
    Response
    
    5.
      In future financial statements we will provide a description of this transaction
      and the GAAP basis for recording the gain in fiscal 2007. The impact of unusual
      material items that are included in operating results will be described and
      quantified in MD&A.
    
    We
      hope that the foregoing responses satisfactorily address the Staff’s comments.
      Please do not hesitate to call the undersigned at 858-304-3016, Ext 205 if
      we
      can address any follow-up questions or if the staff has any further
      comments.
    
    Sincerely,
    
    /s/
      Robert Putnam
    Robert
      Putnam
    Interim
      Chief Accounting Officer