Related Manuals for Digital Voice Systems VC-20-ATC-10B
Summary of Contents for Digital Voice Systems VC-20-ATC-10B
- Page 1 IGITAL OICE YSTEMS The Speech Compression Specialists …101111010100110101 …10100110101110101001...
- Page 3 IGITAL OICE YSTEMS The Speech Compression Specialists VC-20™ ATC-10B Vocoder Board USERS MANUAL Version 1.0 August, 1999 VC-20 ATC-10b Vocoder Board User’s Manual...
- Page 4 Digital Voice Systems, Inc. shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual or the examples herein. The information in this document is subject to change without notice.
- Page 5 END USER has requested a license, and any derivative works thereof, including modifications, enhancements and extensions made by or for Digital Voice Systems, Inc. (DVSI) and including circuit diagrams, timing diagrams, programmable logic software, logic diagrams, layouts, operating instructions and user manuals.
- Page 6 Agreement shall be limited to 20% (twenty percent) of the fees paid by END USER for the particular Voice Codec or VC-20™ ATC-10b Vocoder Board which caused the damages or that is the subject matter of, or is directly related to, the cause of action.
- Page 7 Agreement shall remain in full force and effect. 12.0 Notices complete sole 12.1 Any notices to DVSI which may be given hereunder shall be in writing and sent to: Littleton Road, Westford, MA., 01886, U.S.A. AMBE-1000™ Vocoder Chip User’s Manual Digital Voice Systems Inc., 234...
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Page 9: Table Of Contents
VC-20™ - ATC-10 ENERAL Section VC-20 AMBE™ V DVANCED VC-20 PECIAL Section OARD ONNECTION DIN41612 96- VC-20-ATC-10BC VC-20-ATC-10 ILENCE VC-20-ATC-10B O VC-20-ATC-10 Section DVSI S ERVICES AND ECHNICAL USTOMER DDITIONAL VC-20 ATC-10b Vocoder Board User’s Manual ABLE OF ONTENTS NTRODUCTION ...1... -
Page 11: Vc-20™ - Atc-10B Introduction
The Speech Compression Specialists VC-20™ - ATC-10b Introduction General Information The Digital Voice Systems, Inc. (DVSI) VC-20™ - ATC-10b voice codec is a full- duplex real-time voice processing board. The VC-20™ - ATC-10b contains proprietary software which implements the Advanced Multi-Band Excitation™... -
Page 13: Ambe™ Vocoder Board
5-14 should be disconnected. If the VC-™ - ATC-10b is generating the clocks and frames, then jumpers 1-4 should be connected, otherwise, they should be disconnected. VC-20 ATC-10b Vocoder Board User’s Manual Section 2 – VC-20 AMBE™ Vocoder Board Overview page 3... -
Page 14: Handling Instructions
Storage To insure maximum shelf life in long term storage, VC-20 AMBE™ Vocoder Board should be kept in a moisture controlled package at <40 C and <90% RH. page 4... -
Page 15: Onnection Pecifications
TTL compatible Power: 2 watts @ 5v digital, .2 watts @ +/- 5v analog VC-20 ATC-10b Vocoder Board User’s Manual Section 6 – VC-20™ ATC-10b Vocoder Board Advanced Features single-ended 600 ohm 0 dBm0 = 0 dBm +3.17 dBm0 -23 dBm0 (average speech level) -
Page 16: Din41612 96-Pin Connector Specifications
Section 6 – VC-20™ ATC-10b Vocoder Board Advanced Features DIN41612 96-pin Connector Specifications ROW C Function Dig. Pwr. Dig. Pwr. Gnd. Output Rsvd. Input Rsvd. Gnd. Input Rsvd. Input Rsvd. Gnd. Rsvd. Output Output Rsvd Input Input Gnd. Rsvd Rsvd. -
Page 17: Ignals
FMDE VFRO VRXI RESX DINRS DTMF_DAT DTMF_DET VC-20 ATC-10b Vocoder Board User’s Manual Section 6 – VC-20™ ATC-10b Vocoder Board Advanced Features Description Pwr. Digital +5v +/- 5% Pwr. Digital Ground Pwr. Analog +5v +/- 10% Pwr. Analog -5v +/- 10% Pwr. -
Page 18: Vc-20-Atc-10B Connector Signals
Section 6 – VC-20™ ATC-10b Vocoder Board Advanced Features VC-20-ATC-10b Connector Signals TXD3-0 TXD3-0 are the voice data signals from the VC-20™ - ATC-10b encoder. These signals changes state on each rising edge of TXCK. The 96 voice bits of each 20 ms voice frame are transmitted in 24 TXCK cycles (TXCK = 9.6 kHz), resulting in an... - Page 19 DTMF_DET is high. The data is synchronous with the rising edge of TXCK. This signal should be ignored when DTMF_DET is inactive. VC-20 ATC-10b Vocoder Board User’s Manual Section 6 – VC-20™ ATC-10b Vocoder Board Advanced Features page 9...
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Page 20: Ilence Rame Esignation
Section 6 – VC-20™ ATC-10b Vocoder Board Advanced Features GO The GO signal must be active to place the encoder in voice mode. This signal is sampled every 20 ms when FMEN is high. If this signal is active then the encoder outputs voice data on TXD during the next 20 ms frame. -
Page 21: Vc-20-Atc-10
IGITAL OICE YSTEMS, The Speech Compression Specialists VC-20-ATC-10B On-board jumpers Connector Signals Jumper VC-20 ATC-10b Vocoder Board User’s Manual Section 6 – VC-20™ ATC-10b Vocoder Board Advanced Features Signal Connects on-board 9.6 kHz data clock to TXCK Connects on-board 9.6 kHz data clock to RXCK... -
Page 22: Ata
Section 6 – VC-20™ ATC-10b Vocoder Board Advanced Features VC-20-ATC-10b DTMF Tone Data The VC-20-ATC-10b supports DTMF detection, transmission, and generation. The encoder detects and transmits DTMF tones, and the decoder decodes and generates DTMF tones, in support of standard telephony requirements In addition, if the VC-20™... -
Page 23: Ervices And Support Sechnical Support
Additional Manuals Additional manuals may be downloaded for DVSI’s web sit www.dvsinc.com VC-20 ATC-10b Vocoder Board User’s Manual Digital Voice Systems, Inc. 234 Littleton Road Westford, MA 01886 USA Phone: (978) 392-0002 Fax: (978) 392-8866 email: info@dvsinc.com... - Page 24 NOTES...
- Page 25 OICE YSTEMS, The Speech Compression Specialists (jumper 1) (jumper 3) (jumper 4) (jumper 2) Figure 2: VC-20™ ATC-10b Connections In Loop-back Mode VC-20 ATC-10b Vocoder Board User’s Manual On-Board Clock & Frame Generator TXCK FMEN ENCODER TXD3-0 RXD3-0 DECODER FMDE RXCK Section 7- DVSI Services &...
- Page 26 MODEM Figure 3: Connections between VC-20 TXCK FMEN ENCODER TXD3-0 RXD3-0 DECODER FMDE RXCK ™ ATC-10b VFXI VFRO and a Modem...
- Page 27 The Speech Compression Specialists DECODER VFRO ENCODER VFXI On-Board Clock & Frame Generator Figure 4: Dual VC-20™ ATC-10b VC-20 ATC-10b Vocoder Board User’s Manual Section 7- DVSI Services & Support (jumper 1) Clock & Frame (jumper 3) RXCK TXCK FMDE FMEN RXD3-0...
- Page 28 500 ns. TXXK 20 ms FMEN TXD3-0 500 ns RXCK 20 ms FMDE RXD3-0 ™ ATC-10b Figure 5: VC-20 Signal Timing...
- Page 29 IGITAL OICE YSTEMS, The Speech Compression Specialists Figure 6: RUN Signal Timing VC-20 ATC-10b Vocoder Board User’s Manual 20ms 12.5ms Encoder Window Section 7- DVSI Services & Support 7.5ms Decoder Window page 19...
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Page 30: Physical Dimensions
5.5 mm 41612 Connector < 7.5 mm 3.0 mm 100 mm 112 mm (bottom view) 112 mm (components < 12.5 mm) 11 mm (connections < 2 mm) < 7.5 mm (side view) Figure 7: VC-20 Physical Dimensions ™ ATC-10b... - Page 31 IGITAL OICE YSTEMS, The Speech Compression Specialists Voice Frames FMEN VC-20 ATC-10b Vocoder Board User’s Manual Section 7- DVSI Services & Support Silence Voice Silence Frames Frames Frames Voice Frames page 21...
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