graphName "builtin_microphone_general"

[def fs 48000]
[def blockSize 480]
[def numChansIn 2]
[def numChansOut 1]
[def numBeams 1]
[def kAudioUnitProperty_MaximumFramesPerSlice 14]
[def kAudioUnitProperty_BypassEffect 21]
[def kAUNeuralNetProperty_HostIOCycleDuration_ms 104003]
[def kAUNeuralNetProperty_HostIOCycleSelfBypassThreshold_ms 104004]

; ports
in in
out out

;Gain
box preDSPGain gain 1 1
box userGain dbgn 1 1

;fft
box ANALY_MIC fft 1 1
box SYNTH_bfOut fft 1 1

;Reblocker
box reblocker reblocker 1 1

;DCBlocker
box dcBlocker (aufx dccb appl) 1 1

; Beamformer
box BF (aufx bmfd appl) 2 1
box DAS (aufx bmfd appl) 1 1

; Noise Reduction
box micSense (aufx sens appl) 1 1
box AULWB ( aufx lwbo appl ) 3 1

; TP Mitigation nnet
box TPSuppressor (aufx nnet appl) 1 1
box TPSuppressorDelay delay 1 1
box TPNoise adif 2 1
box TPNoiseAttenuation dbgn 1 1
box TPMitigatedMix asum 2 1

; EQ
box ToneMeister (aufx tmst appl) 1 1
box BrightnessCoexTM (aufx tmst appl) 1 1 

;-------------------------------------
; DSP
;-------------------------------------
wire in BrightnessCoexTM ([fs] [numChansIn])
wire BrightnessCoexTM dcBlocker ([fs] [numChansIn])
wire dcBlocker reblocker ([fs] [numChansIn])
wire reblocker ANALY_MIC ([fs] [numChansIn] [blockSize])
wire ANALY_MIC micSense (freq [fs] [numChansIn] [blockSize])
wire micSense  preDSPGain (freq [fs] [numChansIn] [blockSize])
wire preDSPGain (BF 0) (freq [fs] [numChansIn] [blockSize])
;BeamItFD expects two input buses, thus we feed the same analytic mic data into its second bus. The EC beam output is not used, so there is no harm.
;Ideally we should be allowed to configure the BeamItFD with single intput bus count. See <rdar://problem/34558167>
wire preDSPGain (BF 1) (freq [fs] [numChansIn] [blockSize])

wire preDSPGain DAS (freq [fs] [numChansIn] [blockSize])

wire (BF 0) (AULWB 0) (freq [fs] [numChansOut] [blockSize])

wire DAS (AULWB 1) (freq [fs] [numChansOut] [blockSize])
wire DAS (AULWB 2) (freq [fs] [numChansOut] [blockSize])

wire (AULWB 0) SYNTH_bfOut (freq [fs] [numChansOut] [blockSize])


; Trackpad Suppression
wire SYNTH_bfOut TPSuppressor ([fs] 1 [blockSize])
wire SYNTH_bfOut TPSuppressorDelay ([fs] 1 [blockSize])
wire TPSuppressorDelay (TPNoise 0) ([fs] 1 [blockSize])
wire TPSuppressor (TPNoise 1) ([fs] 1 [blockSize])

wire TPNoise TPNoiseAttenuation ([fs] 1 [blockSize])
wire TPSuppressor (TPMitigatedMix 0) ([fs] 1 [blockSize])
wire TPNoiseAttenuation (TPMitigatedMix 1) ([fs] 1 [blockSize])
wire TPMitigatedMix ToneMeister ([fs] 1 [blockSize])
wire ToneMeister userGain ([fs] 1 [blockSize])
wire userGain out ([fs] 1 [blockSize])
; Wire the latency of the NN to the delay box to align signals
wireParam (TPSuppressor 14 0 0) (TPSuppressorDelay 0 0 0)

param mvol 0
wireGraphParam mvol (userGain 0)
param mmut 0
wireGraphParam mmut (userGain 1)

;-------------------------------------
; Property wires
;-------------------------------------
property mfrm out; Inform driver about the threshold
wireGraphProperty mfrm (TPSuppressor [kAUNeuralNetProperty_HostIOCycleSelfBypassThreshold_ms])

property frsz in ; Property to be set by host to inform about the processing frame size requested. Default is set to 10ms
wireGraphProperty frsz (TPSuppressor [kAUNeuralNetProperty_HostIOCycleDuration_ms])