I presume dvis is a knockoff of dvsi, which makes the real ambe vocoders. A the problem the pcs100 avc20 is a power protection system designed for use by industrial and large commercial operations in environments where an unstable network or utility voltage affects productivity. This support also extends to the xl185p and xl200p portable p25 radios that also support lte connectivity. Vocoder reduxthe ambe2020 about the ambe2020 by dennis, k3dx. The speech compression specialists ambe 2020 vocoder chip users manual version 4. Among the improvements that were made in this latest version are improvements in the ability of the vocoder to transmit tones, such as telephone signaling tones. Specifications tait dmr, a smart investment, made to evolve. Dvsi introduces new hardware development kit for low cost. What you see in the pictures is what you get unless mentioned otherwise. The ambe4020 vocoder chips small form factor 80pin lqfp or 121 map bga package are available can be easily incorporated into an ultralowpower base band circuit where circuit board real estate is at a premium. Full interoperability and backward compatibility is maintained with the vocoder by including the dual rate. The speech compression specialists ambe2020 vocoder chip users manual version 4. Interoperability communications solutions and more raven.
Kenwood digital system digital television telecommunications. Audio quality for vocoders can be conveniently evaluated today on a computer with a pesq7 test 4. An analysis of dig ital voice codecs is presente d in table 2. Unified call list builder this tool builds a file that can be used to import unified call list and hot lists data into radio programming software serial number date decoder this tool will extract the approximate year and month of manufacture of a device based on its serial number legacy tools. It is being used for gateway applications for digital mobile radio systems including nexedge tm, idas tm, mototrbo tm, and p25. There is very little information out there about it, sadly. Ambe 2000 ambe dtmf encoder ambe software dtmf encoder decoder dda01 tlc32046 mc14lc5480 csp1027 digital voice systems. The ambe4020tm hdk is the ideal reference design for evaluation and test of dvsis newest halfduplex ambe4020tm vocoder chip. With a 16bit adc and 12bit dac builtin, the ambe4020 vocoder chip simplifies additional hardware requirements. The paia vocoder can make like a harmonizer wav can you hear the phasing of this synthesized sound 12345678 wav home. It is pcbs and panels for making 24channel analogue vocoder.
Vocoder analysis vocoders ds2164q cmx639 cmx7261 ambe3000 cmx618 compression rate 32kbps 24kbps 16kbps int 32 kbps 24 kbps 16 kbps ext 8 kbps pcm cvsd g. The vocoder now has a dual rate feature to support radio systems that double the spectrum efficiency. Operator interface and controls the r8100 was designed to be intuitive and easy to operate. Ambe2000 datasheet pdf 1 page list of unclassifed manufacturers.
Audio quality was also measured more laboriously and subjectively in the past with a mos8 test using listener panels. Ambe2000 vocoder chip end user license agreement 1. Nw digital radio is in the process of setting up various community groups at groups. It is being used for gateway applications for digital mobile radio systems including nexedge tm, idas tm, mototrbo tm, and p25 the 476300 provides users an ability to encode or decode ambe tm. Pdf a twoway radio communication across a multihop. Net2000tm voice codec unit ethernet enabled ambe vocoder technology. The effort, in part, was a capstone senior design project in. Ambe 2020 vocoder chip digital voice systems ambe 2020 vocoder chip is an. Nifty ez guide to dstar operation a good reference. Ambe is implemented in the ambe 2000 or ambe 2020 chips which are implemented inside of a dstar radio. Figure 2 a basic operation ambe 2020 encoder 8khz speech data ambe, digital voice systems, inc. Ambe 3000f datasheet, ambe 3000f pdf, ambe 3000f data sheet, ambe 3000f manual, ambe 3000f pdf, ambe 3000f, datenblatt, electronics ambe 3000f, alldatasheet, free.
Dmr dpmr yaesu fusion p25 phase 2 no sw support for these protocols at this time the thumbdvtm adds dstar dv capability to your computer or laptop. Ambe software ee 2020 viterbi convolution ambe dtmf encoder digital voice systems voice play ic viterbi decoder soft bit vocoder thuraya text. Vocoder kit includes circuit board all electronic parts, switches, jacks controls, knobs and manual. Ambe 2020 vocoder chip end user license agreement 1. Design and implementation of ambe based voice codec module. The vocoder is the function within a digital radio that converts the analog speech signal into a digital bit stream, and conversely after transmission and reception, converts the digital. And, perhaps most project 25 vocoder history dvsi vocoder was selected as the digital vocoder for the p25 standard. Satisfaction guaranteed, sold with 14 days warranty.
Aug 21, 2014 with a 16bit adc and 12bit dac builtin, the ambe4020 vocoder chip simplifies additional hardware requirements. Net2000 ambe ambe2 ambe2000 ambe 9600 vocoders voip. Ambe is implemented in the ambe2000 or ambe2020 chips which are implemented inside of a dstar radio. Ambe advanced multiband excitation is the technology that is used in dstar to compress the voice for transmission. I found lots of other chinese dmr radios mentioning use of the dvis hrv3000 as the vocoder.
Title to the ambe voice compression software remains with dvsi. The general procedure for connecting another chip to a microcontroller is. Dvsi announced today the availability of a hardware development kit for dvsis new ambe4020 vocoder chip. A twoway radio communication across a multihop wireless. How to interface ambe4020 vocoder chip to ti cc2640r2f.
Ambe is a codebook based vocoder that operates at bitrates of between 2 and 9. Digital voice systems ambe2020 user manual pdf download. The dv1 is a small module containing an ambe 2020 voice audio codec chip and some supporting components, as well as an analog frontend which gives it the possibility to directly take audio from a connected microphone, and to send audio to a connected headset or loudspeaker. Dvsi the recognized leader in the development of lowdatarate speech compression technology has introduced the usb3012, a multichannel usb device capable of up to twelve fullduplex. Ravens 476300 is a 3channel module that incorporates digital voice systems ambe 3003 tm vocoder technology. The dv1 is a small module containing an ambe2020 voice audio codec chip and some supporting components, as well as an analog frontend which gives it the possibility to directly take audio from a connected microphone, and to send audio to a connected headset or loudspeaker. Bidirectional analog to ambe windv udrx support for dstar dv check the website for availability ambe hw vocoder for.
Ambe vocoder that has been enhanced in that time to improve audio quality for the users. In the event that the end user transfers his rights under this. Amd, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The ambe chips are manufactured by digital voice systems, inc. In the mixing songpattern and performance mode, the vocoder effect can be applied only to part 1. In the voice mode, the vocoder effect can be applied to any of the voices. Some part number from the same manufacture digital voice systems, inc. Ambe2020 vocoder chip digital voice systems ambe2020 vocoder chip is an. Net2000tm voice codec unit ethernet enabled ambe vocoder technology pc 2. Assuming a appropriate microcontroller was picked in the first place, think about what io you want to use on the micro.