-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 NkD7rEE9uDVwdBPTgd/JuOWXE+hAYBX6KWI7AeVnVXgneg9wEkBlC34JiCaZvkAB
 aGNOJnXtm31Hwp+jMe4mIA==

<SEC-DOCUMENT>0001181431-06-010607.txt : 20060213
<SEC-HEADER>0001181431-06-010607.hdr.sgml : 20060213
<ACCEPTANCE-DATETIME>20060213115122
ACCESSION NUMBER:		0001181431-06-010607
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060210
FILED AS OF DATE:		20060213
DATE AS OF CHANGE:		20060213

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BUINEVICIUS RIMAS
		CENTRAL INDEX KEY:			0001182095

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30407
		FILM NUMBER:		06601654

	BUSINESS ADDRESS:	
		STREET 1:		1617 SHERMAN AVE.
		CITY:			MADISON
		STATE:			WI
		ZIP:			53704
		BUSINESS PHONE:		6082563133

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SONIC FOUNDRY INC
		CENTRAL INDEX KEY:			0001029744
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				391783372
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		222 W. WASHINGTON AVENUE
		STREET 2:		SUITE 775
		CITY:			MADISON
		STATE:			WI
		ZIP:			53703
		BUSINESS PHONE:		6084431600

	MAIL ADDRESS:	
		STREET 1:		222 W. WASHINGTON AVENUE
		STREET 2:		SUITE 775
		CITY:			MADISON
		STATE:			WI
		ZIP:			53703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd107601.xml
<DESCRIPTION>RB - 2/10/06 OPEN MARKET PURCHASE
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-02-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001029744</issuerCik>
        <issuerName>SONIC FOUNDRY INC</issuerName>
        <issuerTradingSymbol>SOFO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182095</rptOwnerCik>
            <rptOwnerName>BUINEVICIUS RIMAS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SONIC FOUNDRY, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>222 W. WASHINGTON AVENUE/SUITE 775</rptOwnerStreet2>
            <rptOwnerCity>MADISON</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53703</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-02-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5907</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.04</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1241516</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-02-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>19093</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1260609</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Rimas P. Buinevicius</signatureName>
        <signatureDate>2006-02-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----