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NoC Silicon IP for RISC-V based chips supporting the TileLink protocol
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VOCAL’s V.34 fax/facsimile software implements a high speed fax modem used on GSTN and on point-to-point 2-wire leased telephone-type circuits
VOCAL’s V.34 fax/facsimile software implements recommendation ITU-T V.34 which defines the modulation methods and operating sequences for a fax modem used on General Switched Telephone Networks (GSTNs) and on point-to-point 2-wire leased telephone-type circuits.
The V.34 fax modem software uses state-of-the-art line probing analysis to automatically determine maximum channel capacity. It also supports MSE fallback/fallforward threshold control to adjust the tradeoff between higher data channel rates and symbol error rates. V.34 channel separation is accomplished using echo cancellation techniques.
The V.34 fax modem software uses state-of-the-art line probing analysis to automatically determine maximum channel capacity. It also supports MSE fallback/fallforward threshold control to adjust the tradeoff between higher data channel rates and symbol error rates. V.34 channel separation is accomplished using echo cancellation techniques.
Features
- Fully compliant Group 3 Facsimile Support
- Full and half duplex modes
- Primary data channel supports 14 data rates from 2400 to 33600 bps, in increments of 2400 bps
- Control channel rates are 1200 and 2400 bps
- Multichannel implementation
- Multi-tasking environment compatible
Benefits
- Platform independent code
- Optimized for high performance on leading edge DSP architectures
- Facsimile protocol layer (T.30 with ECM/BFT) available
- Facsimile service class 1 command sets (T.31 and EIA-578) available
- Facsimile service class 2 command sets (T.32, EIA-592 and industry standard fax class 2) available.
- Use with VOCAL’s Command Set Controller (CSC) and T.30 library.
- System can be combined with other Group 3 fax modulations (V.17/V.29/V.27ter/V.21 channel 2).
Deliverables
- ANSI C, assembly, and source code available
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V.34 fax
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- VOCAL’s T.38 Fax over IP (FoIP) Image Extraction Library extracts facsimile images from T.38 data