ESTIMATING A PITCH LAG
First Claim
1. An electronic device for estimating a pitch lag, comprising:
- a processor;
memory in electronic communication with the processor;
instructions stored in the memory, the instructions being executable to;
obtain a current frame;
obtain a residual signal based on the current frame;
determine a set of peak locations based on the residual signal;
obtain a set of pitch lag candidates based on the set of peak locations; and
estimate a pitch lag based on the set of pitch lag candidates.
1 Assignment
0 Petitions
Accused Products
Abstract
An electronic device for estimating a pitch lag is described. The electronic device includes a processor and executable instructions stored in memory that is in electronic communication with the processor. The electronic device obtains a current frame. The electronic device also obtains a residual signal based on the current frame. The electronic device additionally determines a set of peak locations based on the residual signal. Furthermore, the electronic device obtains a set of pitch lag candidates based on the set of peak locations. The electronic device also estimates a pitch lag based on the set of pitch lag candidates.
61 Citations
50 Claims
-
1. An electronic device for estimating a pitch lag, comprising:
-
a processor; memory in electronic communication with the processor; instructions stored in the memory, the instructions being executable to; obtain a current frame; obtain a residual signal based on the current frame; determine a set of peak locations based on the residual signal; obtain a set of pitch lag candidates based on the set of peak locations; and estimate a pitch lag based on the set of pitch lag candidates. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. An electronic device for estimating a pitch lag, comprising:
-
a processor; memory in electronic communication with the processor; instructions stored in the memory, the instructions being executable to; obtain a speech signal; obtain a set of pitch lag candidates based on the speech signal; determine a set of confidence measures corresponding to the set of pitch lag candidates; and estimate a pitch lag based on the set of pitch lag candidates and the set of confidence measures using an iterative pruning algorithm. - View Dependent Claims (21)
-
-
22. A method for estimating a pitch lag on an electronic device, comprising:
-
obtaining a current frame; obtaining a residual signal based on the current frame; determining a set of peak locations based on the residual signal; obtaining a set of pitch lag candidates based on the set of peak locations; and estimating a pitch lag based on the set of pitch lag candidates. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
-
-
41. A method for estimating a pitch lag on an electronic device, comprising:
-
obtaining a speech signal; obtaining a set of pitch lag candidates based on the speech signal; determining a set of confidence measures corresponding to the set of pitch lag candidates; and estimating a pitch lag based on the set of pitch lag candidates and the set of confidence measures using an iterative pruning algorithm. - View Dependent Claims (42)
-
-
43. A computer-program product for estimating a pitch lag, comprising a non-transitory tangible computer-readable medium having instructions thereon, the instructions comprising:
-
code for causing an electronic device to obtain a current frame; code for causing the electronic device to obtain a residual signal based on the current frame; code for causing the electronic device to determine a set of peak locations based on the residual signal; code for causing the electronic device to obtain a set of pitch lag candidates based on the set of peak locations; and code for causing the electronic device to estimate a pitch lag based on the set of pitch lag candidates. - View Dependent Claims (44)
-
-
45. A computer-program product for estimating a pitch lag, comprising a non-transitory tangible computer-readable medium having instructions thereon, the instructions comprising:
-
code for causing an electronic device to obtain a speech signal; code for causing the electronic device to obtain a set of pitch lag candidates based on the speech signal; code for causing the electronic device to determine a set of confidence measures corresponding to the set of pitch lag candidates; and code for causing the electronic device to estimate a pitch lag based on the set of pitch lag candidates and the set of confidence measures using an iterative pruning algorithm. - View Dependent Claims (46)
-
-
47. An apparatus for estimating a pitch lag, comprising:
-
means for obtaining a current frame; means for obtaining a residual signal based on the current frame; means for determining a set of peak locations based on the residual signal; means for obtaining a set of pitch lag candidates based on the set of peak locations; and means for estimating a pitch lag based on the set of pitch lag candidates. - View Dependent Claims (48)
-
-
49. An apparatus for estimating a pitch lag, comprising:
-
means for obtaining a speech signal; means for obtaining a set of pitch lag candidates based on the speech signal; means for determining a set of confidence measures corresponding to the set of pitch lag candidates; and means for estimating a pitch lag based on the set of pitch lag candidates and the set of confidence measures using an iterative pruning algorithm. - View Dependent Claims (50)
-
Specification