`
`EXHIBIT A – Parties’ Agreed-Upon Constructions
`
`No. Claim Term Phrase
`1. “transfer function[s]”
`
`
`2. “acoustic microphone”
`
`3. “virtual microphone”
`
`
`4. “the second linear response to noise being
`substantially [missing word] the first
`linear response to noise”
`5. “null”
`
`
`
`
`
`Parties’ Agreed-Upon Construction
`“a mathematical expression that specifies
`the relationship between an output signal
`and an input signal”
`
`“physical microphone”
`
`“microphone constructed using two or more
`omnidirectional microphones and associated
`signal processing”
`
`“the second linear response to noise being
`substantially similar to the first linear
`response to noise”
`“a zero or minima in the spatial response of
`a physical or virtual directional
`microphone”
`
`Patent Claims
`’091 Patent
`Claims 1, 2, 4, 5, 9, 11, and 15
`
`’357 Patent
`Claim 1
`
`’080 Patent
`Claim 1
`’091 Patent
`Claims 1, 10, 11, and 17
`’072 Patent
`Claims 2 and 9
`
`’357 Patent
`Claims 1, 5, 11, 12, 15, 17, 18, and
`19
`
`’080 Patent
`Claims 1, 14, 18, and 19
`
`’691 Patent
`Claims 1, 4, 10, 12, 15, 17, 21, 22,
`23, 27, 28, 29, 31, 38, 41, and 42
`’691 Patent
`Claim 28
`
`’691 Patent
`Claims 3, 4, 5, 20, 23, 24, 30, 31,
`32, 41, 42, 43, and 46
`
`1
`
`