This product is listed in: Audio Surveillance Equipment

Mobile noise filter with recording

Product number: PKI 2640

The PKI 2640 Mobile noise filter with recording improves the quality and intelligibility of speech signals recorded by the unit or uploaded to its removable memory card. The PKI 2640 Mobile noise filter with recording is controllable and all settings can be remotely controlled via a web interface. The PKI 2640 Mobile noise filter guarantees professional results while being intuitive and easy to use. Previous experience in digital sound processing is not required. Adaptive noise filters provide instant results and adjustments are immediately audible. Settings and controls can be made from the front panel of the unit, remotely via a web interface or from a computer via a USB cable.

Broadband noise filterSmoothes/suppresses noise of all bandwidths
Harmonic rejection filterSuppresses power line frequency, telephone tones, and other drone noises
Adaptive equaliserImproves the spectrum and amplifies speech
Parametric equaliserBoosts/weakens low and high frequencies
Speech level enhancerSmoothes amplitude differences and amplifies speech from distant speakers
De-clickerRemoves cracks/ clicks in radio channels and old records
Reference Noise FilterSuppresses noise in the main channel using information about the noise in the reference channel
V-changerChanges the voice of the speaker in real time and processes files
Sound processing settings and configurations can be saved as presets for use in similar situations. The number of presets is unlimited.
Signal sources (stereo)External microphones, Built-in microphones, Line inputs
InterfacesAnalog line balanced/ unbalanced inputs: XLR/TRS connector
Analog line based/ unbalanced outputs1/4”TRS connector
Digital input/ outputCoaxial S/PDIF format RCA Connector
Telephone input/ outputRJ-11 connector
Headphones output1/4” stereo TRS connector
NetworkEthernet 10/100 Base-TX
PC interfaceUSB 5-pin Mini
Audio formatAudio compression: PCM, muLaw, sample rate: 8, 16, 44.1 kHz, bit depth: 16, 24 bit, THD for line inputs: 0,1% max
Digital filtersBroadband noise filter, Harmonic reject filter, Adaptive EQ, Parametric EQ, De-clicker, Speech level enhancer, Stereo filter, Voice changing filter
Input level indicatorTwo indicators (7 LED each),
Built-in loudspeaker: 1 mono
Power4 x R6 (1,5V AA), 12 – 24V from external adaptor
Flash cardSDHC up to 32GB
Dimension212 x 143 x 76 mm
Weight1350 g