EMERGENCY: Echo removal from 3 audio files

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Job Description

Need immediate help to remove remaining echo sound in 3 short audio files we recorded.

Need 6 hour or less turnaround on this tonight.

The file was originally recorded over a conference call phone line and it is now in an mp3 format. The length of the records are 15 mins, 12 mins, and 8 mins.

Previous work was done to remove echo and it helped. But we need a louder volume and just a little more echo removed.

Please contact immediately if you have expertise in this.