Multi-channel speech compression system and method
A method, computer program product, and computing system for generating a plurality of acoustic relative transfer functions associated with a plurality of audio acquisition devices of an audio recording system deployed in an acoustic environment. Acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices may be compared. Location information associated with an acoustic source within the acoustic environment may be determined based upon, at least in part, the comparison of the acoustic relative transfer functions of the at least a pair of audio acquisition devices of the plurality of audio acquisition devices.
1. A computer-implemented method, executed on a computing device, comprising:
generating a plurality of acoustic relative transfer functions associated with a microphone array having a plurality of audio acquisition devices of an audio recording system deployed in an acoustic environment, wherein each audio acquisition device of the plurality of audio acquisition devices receives a respective speech signal;
comparing acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices;
determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of the at least the pair of audio acquisition devices of the plurality of audio acquisition devices;
training a machine learning model to output the location information associated with the acoustic source by:
receiving, as input, the plurality of acoustic relative transfer functions by utilizing the machine learning model;
providing training data by correlating particular corresponding features across the plurality of acoustic relative transfer functions for a particular acoustic source to the location information associated with the acoustic source; and
generating the location information by the machine learning model based upon, at least in part, the acoustic relative transfer functions of at least the pair of audio acquisition devices of the plurality of audio acquisition devices; and
in response to determining the location information based upon, at least in part, the plurality of acoustic relative transfer functions, providing the location information associated with the acoustic source and utilizing the location information to configure or modify another device or system to enhance speaker tracking capabilities.
2. The computer-implemented method of claim 1 , wherein the plurality of audio acquisition devices of the microphone array are positioned within a fixed geometry relative to each other.
3. The computer-implemented method of claim 1 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes identifying corresponding features in the plurality of acoustic relative transfer functions of the at least a pair of audio acquisition devices of the plurality of audio acquisition devices.
4. The computer-implemented method of claim 3 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes mapping the corresponding features in the plurality of acoustic relative transfer functions of the at least a pair of audio acquisition devices of the plurality of audio acquisition devices to location information associated with the acoustic source.
5. The computer-implemented method of claim 1 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes determining the location information associated with the acoustic source within the acoustic environment using the trained machine learning model.
6. The computer-implemented method of claim 1 , wherein the location information includes one or more of azimuth information and distance information.
7. A computer program product residing on a non-transitory computer readable medium having a plurality of instructions stored thereon which, when executed by a processor, cause the processor to perform operations comprising:
generating a plurality of acoustic relative transfer functions associated with a microphone array having a plurality of audio acquisition devices of an audio recording system deployed in an acoustic environment, wherein each audio acquisition device of the plurality of audio acquisition devices receives a respective speech signal;
comparing acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices;
determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of the at least the pair of audio acquisition devices of the plurality of audio acquisition devices;
training a machine learning model to output the location information associated with the acoustic source by:
receiving, as input, the plurality of acoustic relative transfer functions by utilizing the machine learning model;
providing training data by correlating particular corresponding features across the plurality of acoustic relative transfer functions for a particular acoustic source to the location information associated with the acoustic source; and
generating the location information by the machine learning model based upon, at least in part, the acoustic relative transfer functions of at least the pair of audio acquisition devices of the plurality of audio acquisition devices; and
in response to determining the location information based upon, at least in part, the plurality of acoustic relative transfer functions, providing the location information associated with the acoustic source and utilizing the location information to configure or modify another device or system to enhance speaker tracking capabilities.
8. The computer program product of claim 7 , wherein the plurality of audio acquisition devices of the audio recording system are positioned within a fixed geometry relative to each other.
9. The computer program product of claim 7 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes identifying corresponding features in the plurality of acoustic relative transfer functions of the at least a pair of audio acquisition devices of the plurality of audio acquisition devices.
10. The computer program product of claim 9 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes mapping the corresponding features in the plurality of acoustic relative transfer functions of the at least a pair of audio acquisition devices of the plurality of audio acquisition devices to location information associated with the acoustic source.
11. The computer program product of claim 7 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes determining the location information associated with the acoustic source within the acoustic environment using the trained machine learning model.
12. The computer program product of claim 7 , wherein the location information includes one or more of azimuth information and distance information.
13. A computing system comprising:
a memory; and
a processor configured to
generate a plurality of acoustic relative transfer functions associated with a microphone array having a plurality of audio acquisition devices of an audio recording system deployed in an acoustic environment, wherein each audio acquisition device of the plurality of audio acquisition devices receives a respective speech signal, wherein the processor is further configured to compare acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices, wherein the processor is further configured to determine location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of the at least the pair of audio acquisition devices of the plurality of audio acquisition devices, wherein the processor is further configured to train a machine learning model to output the location information associated with the acoustic source by: receiving, as input, the plurality of acoustic relative transfer functions by utilizing the machine learning model, providing training data by correlating particular corresponding features across the plurality of acoustic relative transfer functions for a particular acoustic source to the location information associated with the acoustic source, and generating the location information by the machine learning model based upon, at least in part, the acoustic relative transfer functions of at least the pair of audio acquisition devices of the plurality of audio acquisition devices, and wherein in response to determining the location information based upon, at least in part, the plurality of acoustic relative transfer functions, the processor is further configured to provide the location information associated with the acoustic source and utilizing the location information to configure or modify another device or system to enhance speaker tracking capabilities.
14. The computing system of claim 13 , wherein the plurality of audio acquisition devices of the audio recording system are positioned within a fixed geometry relative to each other.
15. The computing system of claim 13 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes identifying corresponding features in the plurality of acoustic relative transfer functions of the at least a pair of audio acquisition devices of the plurality of audio acquisition devices.
16. The computing system of claim 15 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes mapping the corresponding features in the plurality of acoustic relative transfer functions of the at least a pair of audio acquisition devices of the plurality of audio acquisition devices to location information associated with the acoustic source.
17. The computing system of claim 13 , wherein determining location information associated with an acoustic source within the acoustic environment based upon, at least in part, the comparison of the acoustic relative transfer functions of at least a pair of audio acquisition devices of the plurality of audio acquisition devices includes determining the location information associated with the acoustic source within the acoustic environment using the trained machine learning model.