Speech Technology Gnome-2M, User Manual

Page 1: ...Pocket Stereo Digital Voice Recorder Gnome 2Mc User Guide Speech Technology Center Russia ...

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Page 3: ...ts reserved Disclaimer Speech Technology Center accepts no liability whatsoever for any loss or injury incurred by the owner or by any third party while using this product and its User Manual and specifically disclaims any warranties merchantability or fitness for any particular purpose Contents of this User Manual are subject to change without notice 3 ...

Page 4: ...Dear Customer Thank you for purchasing this product For optimum performance and safety please read these instructions carefully 4 ...

Page 5: ...ating time 17 6 7 2 External power supply 18 6 8 Memory cards 18 7 Gnome 2M c operation 20 7 1 Gnome 2M c operational states 20 7 2 Preparing Gnome 2M c for recording 21 7 2 1 Standard preparation order 21 7 2 2 Switching Gnome 2M c on off 21 7 2 3 Setting up and controlling operating parameters 22 7 2 4 Sound recording time 23 7 2 5 Gain level control 24 7 2 6 Connecting microphones 24 7 2 7 Sett...

Page 6: ...re 28 8 1 Gnome 2M c software kit and its functions 28 8 2 Software installation and system requirements 28 8 3 Sound Manager application 29 8 3 1 Sound Manager Main Window 29 8 3 2 Setting and changing PIN Code and masking algorithm 30 8 3 3 Basic sound operations unmasking playing copying erasing 30 8 4 Upgrading the software 31 9 Transportation and service 32 9 1 Operating conditions 32 9 2 Tra...

Page 7: ... a set of external switches LCD panel and headphones The built in clock automatically sets time and date of start and end of each recording session All the data are simultaneously protected This feature ensures authenticity of recorded data and provides protection from unauthorized access Playback of recordings is possible either directly from the Voice Recorder an 8 digit PIN code is required or ...

Page 8: ...M c Memory card Compact Flash I 512 Mb up to 2GB by request 220V 50Hz power supply adapter LR03 AAA battery 2 pcs Telephone adapter External microphones set PC connection cable Headphones Headphones adapter Sound Manager software on CD User Manual Carrying case Figure 2 1 Gnome delivery set 8 ...

Page 9: ... to Gain Control 90 dB Type Electret Microphone Sensitivity 55 dB Noise floor 25 dB Detachable memory cards type Compact Flash I CF FAT16 32 Autonomous 2 LR03 1 5V AAA alkaline Power supply External 3V at central conductor of the socket Power consumption in record mode not more than 0 4 W Maximum recording duration without power supply change about 14 0 5 hours using Duracell Plus or Ultra alcalin...

Page 10: ... has been reached previously recorded data will be erased and replaced with new data Noise cancellation features are now available during recording playback for sound recordings made at a sampling rate of 8 10 and 16 kHz Gnome 2M c includes broadband and composite i e broadband inverse filters Suppression depth for both filters is adjustable within the 0 30 dB range with a 6 dB step Playback speed...

Page 11: ...y default 5 2 Recorded data protection To avoid unauthorized access and recorded data forgery time and date of recording start end are set automatically Moreover Gnome 2M c s operating parameters are registered for every recording session This makes it impossible to interfere with the recorded data using Gnome 2M c Acoustic signals recorded at 6 8 or 10 kHz can be masked to prevent recorded data f...

Page 12: ... Pos Marking on the box Description 1 Keyboard 2 Built in LCD 3 Rec Stop Recording On Off switch 4 Memory card Compact Flash I socket with ejector 5 Microphone left channel jack 5 Microphone right channel jack 6 Int Ext Internal external microphone switch 7 Connector for external devices microphones headphones PC 8 Instant erasure button 9 DC 3V Power supply connection jack 10 Power supply module ...

Page 13: ...de for 10 seconds Input 1 Switch to setting parameters and save entered parameter value Set left right loop border during playback Set Voice Activation threshold Input 2 and 6 Screen cursor control Increase decrease selected parameter value Input 3 and 4 Screen cursor control Rewind to the recording start end Automatically search for speech fragment double click Input 5 Switch to the higher level ...

Page 14: ...er of the recordings at the memory card and current batteries state of charge Figure 6 2 LCD panel LCD symbols and messages are listed and explained in Table 6 2 Table 6 2 Graphic symbols Graphic Symbol Function User Identification ENTER PIN PIN code query LCD Operating Area REC Sound record is on USB connected Voice recorder is connected to the PC 34 12 dB Current input gain level 25May 13 24 17 ...

Page 15: ... Mono Sampling Rate Input gain control Auto Manual TIMERS TIMER 1 5 ON OFF St 01 JAN 00 00 Duration 00 00 Prio ON OFF Timer Mode Settings Timer number and status Date and time of record session start Record session duration hh mm Timers priority over user s commands VA Level Activate Time Voice Activation Mode Settings Voice activation mode switched on off VA start stop threshold Threshold value i...

Page 16: ...6 and is plugged in Gnome 2M c with a multiple contact plug 1 The left and right microphone cables are marked 3 The right channel microphone wire has a darker marking Each microphone is also supplied with a wire tab 4 for fastening it to buttons hooks etc Figure 6 3 Microphones set To start recording from external microphones place the switch Fig 6 1 6 to EXT 6 5 PC connection cable Gnome 2M c con...

Page 17: ...ice recorder first press the PUSH button at the plug and then pull out the plug 6 7 Power supply 6 7 1 Power supply elements Setting up Operating time The voice recorder power supply consists of two alkaline LR03 batteries AAA type Each battery has 1 5 V voltage It is not recommended to use accumulators saline batteries or unknown manufacturer s batteries To change batteries switch off the recorde...

Page 18: ...nt memory cards Compact Flash I are used for data storage To set the card position the voice recorder and memory card as shown in Fig 6 7 Then pull the ejector Fig 6 1 p 4 out till it stops Place the CF so that its ledge Fig 6 7 p 2 and guide slits Fig 6 7 p 3 are turned upwards and insert it into the recorder as shown in Fig 6 7 Important You should never force the CF into its place under any cir...

Page 19: ...he voice recorder when it is PC connected use the Safely Remove Hardware function accessible after right clicking on the respective sign in the system tray at the bottom right of the screen Another way to access the device is via My Computer Removable Disk right click on the device image and select Eject 19 ...

Page 20: ...in a standby state when the power supply and the memory card are installed Gnome 2M c is switched from one state to the other according to the following scheme When the voice recorder is enabled it is possible to playback recordings set the operating pa rameters and connect to a PC to change the PIN code or the protect key Recording start stop is possible practically in any state Set REC STOP swit...

Page 21: ...t set 7 2 1 Standard preparation order Prepare the voice recorder as follows 1 Install the power supply Section 6 or plug in the adapter Section 6 2 Insert the memory card 3 Switch on the voice recorder and set current date and time 4 Select operating parameters with respect to sound recording conditions 5 Set new access code PIN code and masking algorithm if necessary 6 Connect microphones and he...

Page 22: ...corder is switched on and the key is pressed To select a parameter to be edited use and To quit the parameters menu press the key Figure 7 2 Setting parameters menu Using cursor keys Table 6 1 and Table 6 2 activate necessary voice recorder operating modes and set required parameter values Use the key to enter submenu items the key to change current menu item and the key to return to higher level ...

Page 23: ...o 6000 48min 1h 36min 1h 36min 3h 12min 3h 12min 6h 24min 6h 24min 12h 48min 8000 35min 1h 10min 1h 10min 2h 20min 2h 20min 4h 40min 4h 40min 9h 20min 10000 28min 56min 56min 1h 50min 1h 50min 3h 40min 3h 40min 7h 20min 16000 18min 35min 35min 1h 10min 1h 10min 2h 20min 2h 20min 4h 40min 32000 9min 18min 18min 35min 35min 1h 10min 1h 10min 2h 20min 48000 6min 11min 11min 23min 23min 45min 45min 1h...

Page 24: ...anual gain level adjustment you should set MANUAL in the RECORD menu Section 7 To adjust the gain level use the keys You may also use them during audio recording Switching MANUAL in the RECORD menu to AUTO will enable automatic gain control mode When adjusting gain level you should keep in mind that external microphones are slightly more sensitive than internal ones Microphones position relative t...

Page 25: ...y special devices HF generators try to keep the voice recorder with its backside to a supposed detector and or suppressor Automatically switching LCD off is also a good choice in this case Besides note that using built in microphones greatly decreases the probability of recorder detection 7 3 2 Manually switching sound recording on off You may switch the recording on off both manually and automati...

Page 26: ...enable the timer to override operators commands In this case the scheduled recording session will go on regardless of any circumstances including turning the recording or voice recorder off The session will stop only after its scheduled end or if the CF is full or batteries are completely discharged Timers can be used along with the VA mode see 7 7 3 5 Loop mode Loop In the loop mode sound data ar...

Page 27: ...empo up to 2 5 times in the range between 40 and 250 relative to the initial 100 Important Enabling noise suppression and or speed control in the playback mode causes considerable increase in power consumption Therefore it is recommended to use external power supply If the device is battery powered make sure the current batteries state of charge indicator shows at least one graduation mark 7 5 Del...

Page 28: ... on the hard drive for audio files storage You may copy or read records stored on the CF card via the voice recorder or a CF card reader In the latter case you will have to install its device drivers supplied on the CD If you connect Gnome 2M c to a PC and do not install voice recorder device drivers it will be detected by your MS Windows system as an external CF disk drive If you plan to use Gnom...

Page 29: ...explorer panel toolbar and operating area Figure 8 1 Sound Manager main window The Sound Manager operating area displays all wav files in the currently opened folder and their basic attributes Menu Command Button Effect File Delete selected Delete selected sound files Exit Exit Sound Manager View Toolbar Show hide toolbar Status bar Show hide status bar Recorder Connect Connect Gnome 2M c to PC Ch...

Page 30: ... just enter the existing one and leave both new PIN Code strings empty Setting and changing the signal masking algorithm Pressing the button will open the signal masking window After you enter your PIN Code and press OK all the signals recorded at 6 8 and 10 kHz will be masked Masked recordings may be played only by Gnome 2M c which was used to record it or by Sound Manager only after the recordin...

Page 31: ...ng select a path to the folder at which converted files should be saved Then select one or several files and press the button The files will be saved in the selected folder 8 4 Upgrading the software For a fast upgrade of your Gnome2 M software copy the GNMUPGR BIN file into the root directory of your voice recorder Compact Flash Then insert the flash into the device if not yet done so You will se...

Page 32: ...n condensing less than 95 at 30o C 9 2 Transportation and storage Transportation is carried out by all transport vehicles and at the temperature between 50 and 60o C with protection from excessive vibration Shelf life in warm conditions at temperature between 5 and 40o C and humidity less than 80 is 5 years 32 ...

Page 33: ...er is obliged to repair the devices at no charge Repair of devices disabled as a result of improper use storage and or transport as well as repair after the time of the guarantee has expired may be provided by the manufacturer according to a separate agreement Support Our developers are always ready to assist you In case of any questions please don t hesitate to contact us Tel 7 812 325 8848 Fax 7...

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