2. The method of claim 1 , comprising reviewing the preliminary audio sample retrieved from the auxiliary audio database.
1. A method comprising: receiving a textual query; retrieving a preliminary audio sample from an auxiliary audio database by matching the textual query with semantic information associated to the auxiliary audio database; performing one of retrieving a target audio sample from a target audio database by matching the preliminary audio sample with the target audio database; and performing an audio-source separation technique on the retrieved target audio sample for separating the retrieved target audio sample into a plurality of audio source signals, wherein retrieving the target audio sample from the target audio database and performing the audio-source separation technique on the retrieved target audio sample are performed jointly, retrieving the target audio sample from the target audio database including comparing the target audio sample with a negative data set; and separating a target source signal of an audio mixture, said target source signal being described by said textual query, by matching the preliminary audio sample with the audio mixture.