Patent application 14282104 (US), filed 2014-05-20
Publication number: US20140358532A1
Title: METHOD AND SYSTEM FOR ACOUSTIC CHANNEL INFORMATION DETECTION
CPC codes: H04S   7/305
G10L  21/0208
H04S   7/301
Office action: rejection, dated 2015-10-15
Rejection reasons: anticipation_102
obviousness_103
Prior art cited: ref_id: 20050242994
ref_type: patent
severity: novelty_destroying
ref_id: 20090110033
ref_type: patent
severity: novelty_destroying
ref_id: 20050242994
ref_type: patent
severity: novelty_destroying
Final disposition: rejected (2015-10-15)