San Francisco - Zoosk, an online social dating network, announced on Thursday that it has closed a $4.1 million second round of venture capital financing, led by Canaan Partners with participation from previous backer ATA Ventures.

San Diego - Online media-sharing service vMix Media has added $16.5 million to its second round of venture capital financing, from investors including ATA Ventures and JK&B Capital, PEHub.com reported.

Dallas - RipCode, a developer of video transcoding technology, announced on Tuesday that it has raised $10.5 million in its second round of financing, led by ATA Ventures.

Santa Clara, Calif. - PixSense, the developer of a service that lets mobile subscribers manage their camera phone photos, videos and other mobile media, announced on Tuesday that it has raised $5.4 million in its first round of venture capital financing, led by ATA Ventures and Innovacom.