PTT GATEWAY V4.2
NODE // ARTIST-CAFE-FRONT-01
Voice Push-to-Talk Gateway & Acoustic Filter
Active Channels: 4 POS Counter Mics
Acoustic Separation
Near-Field Isolation
-18 dB CUT
85%
HUMAN
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Speech Passed: 85%
High-frequency kitchen background espresso grinder noise filtered out.
BANDPASS: 300Hz-3.4kHz
NOTCH @ 8.2kHz ACTIVE
Acoustic Guard
Auto-Cutoff Timer
ARMED
1,000 ms
Silence threshold to terminate
timer
TRIGGER: VAD V3.1
STATE: STANDBY / ARMED
Transport Stream
Audio Codec Metrics
OPUS-RAW
CODEC CONFIG
24kHz Mono
@ 32 kbps
BUFFER JITTER
1.4 ms
P99: 2.1ms
PACKET LOSS
0.00% LOSS (STABLE)
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LIVE CAPTURE
Live Spoken Transcript & Dual Acoustic Filter
ISOLATION CHANNEL MIC-01 [FRONT COUNTER]
MIC-01 SPECTRUM & VAD FILTER WAVEFORM
RMS: -22.4 dBFS
[SPEECH DETECTED - CONFIDENCE 99.1%]
10:42:19.412
“Yeah hi, can we get two oat flat whites extra hot, and one turkish breakfast with su böreği please.”
LATENCY: 122ms
TOKEN CONF: 0.99
DISPATCHED TO PARSER
[FILTERED NOISE - REJECTED]
10:42:21.050
“(...grinder steam wand hiss at 8.2kHz, espresso machine purge -24dB...)”
ATTENUATION: -24.2 dB
SUPPRESSED BY DSP
[SPEECH DETECTED]
10:42:22.880
“Actually make one of the coffees decaf.”
MODIFIER MUTATION: APPLIED ITEM #1
CART UPDATED (DELTA: 44ms)
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ZanAcoustic DSP Core v2
Dual Beamforming Phase Locked
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Nominal 0.04% WER
Acoustic Shield Status
Background suppression active for dual grinders & steam wands
point_of_sale
SYNCED
Live POS Cart Synthesis
ZanPOS Bridge v2.8
TICKET #8821 // TABLE-WALKUP
STREAM READY
1x
Flat White
Oat Milk, Extra Hot
1x
Flat White
DECAF
Decaf, Oat Milk, Extra Hot
1x
Turkish Breakfast
Side: Su Böreği
Subtotal
£22.90
VAT (20% Included)
£4.58
Total Payable
£22.90
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Verified against local vector catalog
print
Thermal Printer Ready (Station 1)
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Thermal Preview Buffer
STATION-01-ONLINE
[ESC/P2] ARTIST CAFE - TKT #8821
================================
2x FLAT WHITE [OAT/X-HOT] (1 DECAF)
1x TRK BRKFAST [SU BOREGI]
TOTAL: £22.90 | POS-ZAN-SYNC-OK
================================
2x FLAT WHITE [OAT/X-HOT] (1 DECAF)
1x TRK BRKFAST [SU BOREGI]
TOTAL: £22.90 | POS-ZAN-SYNC-OK