`
`
`
`
`
`Exhibit B
`
`1
`
`
`
`Case 2:21-cv-00186-JRG-RSP Document 80-2 Filed 07/19/22 Page 2 of 5 PageID #: 2332
`
`Plaintiff’s Construction
`
`Defendants’ Construction
`
`Court’s Construction
`
`Plain and ordinary meaning except
`for “transfer function”
`
`Plain and ordinary meaning except
`for “transfer function”
`
`“output [in response to
`speech/noise]”/“output of a linear
`system [in response to
`speech/noise]”
`
`“a signal processor coupled with
`the first and second microphone
`signals and operative … to apply a
`varying linear transfer function to
`the first microphone signal and to
`apply the varying linear transfer
`function to the second microphone
`signal.”
`
`Otherwise indefinite.
`“a processing component . . .
`applying a varying linear transfer
`function to the acoustic signals
`received from the first virtual
`microphone and applying the
`varying linear transfer function to
`the acoustic signals received from
`the second virtual microphone.”
`
`Otherwise indefinite.
`“[linear] sensitivity in the
`direction of [speech/noise]”
`
`
`
`
`
`
`
`Claim Term with
`Patent and Claim Number
`“a signal processor coupled with
`the first and second microphone
`signals and operative … to apply a
`varying linear transfer function
`between the first and second
`microphone signals”
`
`’357 Patent
`Claim 1
`
`“a processing component …
`applying a varying linear transfer
`function between the acoustic
`signals”
`
`’080 Patent
`Claim 14
`
`“response to
`[speech/noise]”/“linear response to
`[speech/noise]”
`’357 Patent
`Claim 1
`
`’080 Patent
`Claims 1 and 14
`
`’691 Patent
`Claims 1, 3, 6, 7, 23
`
`1
`
`
`
`Case 2:21-cv-00186-JRG-RSP Document 80-2 Filed 07/19/22 Page 3 of 5 PageID #: 2333
`
`Claim Term with
`Patent and Claim Number
`“an adaptive noise removal
`application coupled to . . . and
`generating”
`
`’080 Patent
`Claim 1
`“an adaptive noise removal
`application . . . generating
`denoised output signals by
`forming a plurality of
`combinations . . . by filtering and
`summing the plurality of
`combinations . . . and by a varying
`linear transfer function between
`the plurality of combinations”
`
`’080 Patent
`Claim 1
`“microphone”
`
`’543 Patent
`Claim 1
`“the one receiver”
`
`’058 Patent
`Claim 1
`“the two receivers”
`
`’058 Patent
`Claim 1
`
`Plaintiff’s Construction
`
`Defendants’ Construction
`
`Court’s Construction
`
`Plain and ordinary meaning
`
`Indefinite
`
`Plain and ordinary meaning except
`for “transfer function”
`
`Indefinite
`
`Plain and ordinary meaning
`
`
`“physical microphone”
`
`Plain and ordinary meaning
`
`Alternatively: “the one of the two
`microphones”
`Plain and ordinary meaning
`
`Alternatively: “the two
`microphones that receive the
`acoustic signals”
`
`Indefinite
`
`Indefinite
`
`2
`
`
`
`
`
`
`
`
`
`
`
`
`
`Case 2:21-cv-00186-JRG-RSP Document 80-2 Filed 07/19/22 Page 4 of 5 PageID #: 2334
`
`Plaintiff’s Construction
`
`Defendants’ Construction
`
`Court’s Construction
`
`Plain and ordinary meaning
`
`Alternatively, “received acoustic
`signals other than the user’s
`speech”
`[AGREED]
`
`“any acoustic signal that is not
`desired”
`
`
`
`[AGREED]
`
`“a mathematical expression that
`specifies the relationship between
`an output signal and an input
`signal”
`
`[AGREED]
`
`[AGREED]
`
`[AGREED]
`
`[AGREED]
`
`“physical microphone”
`
`
`“microphone constructed using
`two or more omnidirectional
`microphones and associated signal
`processing”
`
`Claim Term with
`Patent and Claim Number
`“acoustic noise”
`
`’091 Patent
`Claims 1, 9, 11, 15 and 18
`
`“transfer function[s]”
`
`’091 Patent
`Claims 1, 2, 4, 5, 11, and 15
`
`’357 Patent
`Claim 1
`
`’080 Patent
`Claim 1
`“acoustic microphone”
`
`’091 Patent
`Claims 1 and 11
`“virtual microphone”
`
`’357 Patent
`Claims 1, 5, 13, and 14
`
`’080 Patent
`Claims 1, 14, 18, and 19
`
`’691 Patent
`Claims 1, 21, 22, and 23
`
`3
`
`
`
`Case 2:21-cv-00186-JRG-RSP Document 80-2 Filed 07/19/22 Page 5 of 5 PageID #: 2335
`
`Claim Term with
`Patent and Claim Number
`“null”
`
`’691 Patent
`Claims 3 and 23
`“the VAD”
`
`’091 Patent
`Claims 1 and 2
`
`
`Plaintiff’s Construction
`
`Defendants’ Construction
`
`Court’s Construction
`
`[AGREED]
`
`[AGREED]
`
`“a zero or minima in the spatial
`response of a physical or virtual
`directional microphone”
`
`[AGREED]
`
`[AGREED]
`
`“the VAD signal”
`
`4
`
`
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