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    Basic Information

Technology developed: MUSIC-Group Delay based Source Localization and Tracking over Spherical Arrays (TP19768477908)
Category: Technology Service/Know how
Details of Inventor(s):
Inventor Institution/Organization/Company Department Designation
IIT K Indian Institute of Technology (IIT) Kanpur
Technical Application Area: Other
If 'Other', please specify:
Electrical Engineering
Please give more details of new technical application area:
MUSIC-Group Delay based Source Localization and Tracking over Spherical Arrays
Organization(s):
Indian Institute of Technology (IIT) Kanpur
Affiliated Ministry: Institution Funding (Self Supported)
Type of technology development: Indigenous
Does the technology help in replacing any import items currently
procured from outside India?
Does the technology have export potential? 1
Category of Technology developed: Immediate Deployment
Stage of Development: Prototype Level
Please describe in detail including the TRL Level:
MUSIC-Group Delay based Source Localization and Tracking over Spherical Arrays

    Abstract:

Applications: Conventional methods for source localization requires large number of sensors for resolving closely spaced sources. Also, it gives many spurious Direction of Arrival (DOA) peaks which makes decision of DOA candidate peak difficult. Under such circumstances, tracking or Distant Speech Recognition of sources becomes difficult. Achieving high resolution source localization and tracking in spherical harmonics domain is objective of this proposal. In particular, the aim of the proposed research is to study the MUSIC-Group delay (MUSIC-GD) spectrum in spherical harmonics domain. MUSIC-GD spectrum is a novel, high resolution subspace-based method for source localization. This Proposed research will try to utilize the advantages of the MUSIC-GD spectrum in a spherical harmonics framework, being computationally simple and more accurate. The objectives of the project are: 1. Localization of speech sources 2. Three dimensional real time tracking of speech sources 3. Beamforming and Speech enhancement 4. Distant speech recognition (DSR) 5. Room acoustics measurement 6. 3-D positional audio and head related transfer function (HRTF) measurement for rendering spatial audio. Highlight of the Project This will facilitate and augment a dual spherical microphone array set-up at IIT Kanpur probably the first in India. This will enable the research initiative on spherical array processing.
Advantages: Conventional methods for source localization requires large number of sensors for resolving closely spaced sources. Also, it gives many spurious Direction of Arrival (DOA) peaks which makes decision of DOA candidate peak difficult. Under such circumstances, tracking or Distant Speech Recognition of sources becomes difficult. Achieving high resolution source localization and tracking in spherical harmonics domain is objective of this proposal. In particular, the aim of the proposed research is to study the MUSIC-Group delay (MUSIC-GD) spectrum in spherical harmonics domain. MUSIC-GD spectrum is a novel, high resolution subspace-based method for source localization. This Proposed research will try to utilize the advantages of the MUSIC-GD spectrum in a spherical harmonics framework, being computationally simple and more accurate. The objectives of the project are: 1. Localization of speech sources 2. Three dimensional real time tracking of speech sources 3. Beamforming and Speech enhancement 4. Distant speech recognition (DSR) 5. Room acoustics measurement 6. 3-D positional audio and head related transfer function (HRTF) measurement for rendering spatial audio. Highlight of the Project This will facilitate and augment a dual spherical microphone array set-up at IIT Kanpur probably the first in India. This will enable the research initiative on spherical array processing.

    Technology Inputs:

Imported Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
NA
Indigenous Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
NA
Imported Raw Materials:
Raw Materials Year ITC-HS Code
NA
Indigenous Raw Materials:
Raw Materials Year ITC-HS Code
NA
Existing R&D Facilities used:
Facilities Year ITC-HS Code
NA

   Patents & Publications:

Patents:
Filed Patents (No.) Granted Patents (No.) Year
0 0 NA
Publications:
Submitted (No.) Published (No.) Year
0 0 NA

    Commercialization Potential:

Who are the Potential Licensees?
What commercially available products address
the same problem?
Company Product Problem Addressed
Would you like to develop this invention further with
corporate research support?
No
Would you be interested in participating in cluster based
programs for commercialization research or business
planning for your invention?
No
      Submitted by: Diksha Chandel Date of Submission: 1-5-2023



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