Sound source separation apparatus and sound source separation method
Granted 9 Sep 2014 · 4 office actions
Assignee: Honda Motor Co., Ltd.
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Kazuhiro Nakadai, Hirofumi Nakajima · Examiner: Disler Paul · AU 2655 · TC 2600
Life of the patent
10 dated eventsAbstract
A sound source separation apparatus includes a transfer function storage unit that stores a transfer function from a sound source, a sound change detection unit that generates change state information indicating a change of the sound source on the basis of an input signal input from a sound input unit, a parameter selection unit that calculates an initial separation matrix on the basis of the change state information generated by the sound change detection unit, and a sound source separation unit that separates the sound source from the input signal input from the sound input unit using the initial separation matrix calculated by the parameter selection unit.
Claims
6 · 2 independent · depth 2Classifications
6 codes- G10L21/028
- G10L21/0216
- H04B3/20
Claim changes
SoonSee which claims were amended, added or cancelled during examination, with every added and removed word marked.
The published claims of this patent are not paired with the granted ones in what we hold.
File wrapper
See the full prosecution history — every USPTO and applicant action on this file, in order.
Log in to unlockTerm & fees
See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.
Log in to unlockPriority chain
2 priority documents›Priority documents — 2
| Type | Document | Date |
|---|---|---|
| provisional | US 61374382 | 17 Aug 2010 |
| related publication | US 20120045066 A1 | 23 Feb 2012 |
Validity challenges
See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.
Log in to unlockCitations
See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.
Log in to unlock