Time-frequency directional processing of audio signals
A signal and processor technology, applied in the field of time-frequency directional processing, can solve problems such as insufficient separation of microphones
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[0035] In general, embodiments described herein are concerned with the problem of obtaining a collection of audio signals that typically represent a combination of signals from multiple sources, and of processing the signal to separate the signal of a particular source of interest from other undesired signals. At least some embodiments are concerned with the problem of isolating signals of interest for automatic speech recognition when the acquired signal includes the intonation of the speech of interest and interfering speech and / or non-verbal signals. Other embodiments deal with the problem of enhancing audio signals for presentation to human listeners. Still other embodiments relate to other forms of automatic language processing, such as speaker verification or voice-based search queries.
[0036] Embodiments also include one or both of: (a) obtaining orientation information during audio signal acquisition, and (b) processing the audio signal in a multi-tier architecture w...
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