AVT MAGIC AE1 DAB+ GO Manual
High quality audio encoding for the open source dab multiplexer
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- Hardware & software manual (110 pages) ,
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- Quick manual (20 pages)
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Summary of Contents for AVT MAGIC AE1 DAB+ GO
- Page 1 Interfacing of MAGIC AE1 DAB+ Go and ODR DAB Multiplexer High quality Audio encoding for the Open Source DAB Multiplexer...
- Page 3 Nordostpark 12 90411 Nuernberg Germany Phone +49-911-5271-0 Telefax +49-911-5271-100 © AVT Audio Video Technologies GmbH All Rights reserved. Reproduction in whole or in parts is prohibited without the written consent of AVT GmbH. Subject to changes. Release date: April 18...
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Page 5: Table Of Contents
Stream (C): PAD Frames ................15 3.3.1 MAGIC DAB+ Go Audio Encoder: PAD Frames Configuration .... 15 3.3.2 ODR-SourceCompanion: PAD Frames Configuration ......15 Example ......................17 List of Parameters dedicated to AVT Encoders ..........19 List of Figures ....................21 Page 5... - Page 6 Page 6...
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Page 7: Overview
This document explains how to interface the AVT devices with an ODR Multiplexer. In this document, the AVT MAGIC AE1 DAB+ Go is used as example, the same setup can be applied on AVT MAGIC AE1 DAB+ Audio encoder and AVT MAGIC AE4 DAB/DAB+ Audio encoder. -
Page 9: Odr Architecture
The modification has been made on the program ODR-SourceCompanion to make it possible to connect and control the AVT encoders. This document will explain how to configure the ODR-SourceCompanion with AVT devices, assuming that the other programs (ODR-DabMux and ODR-PadEnc) are correctly setup. -
Page 11: Communication Streams
COMMUNICATION STREAMS Three different streams are used to interface the AVT MAGIC AE1 DAB+ Go: (A) Encoded audio is sent by the encoder to one or more multiplexers (B) Control messages are received by the encoder to set the audio parameters (C) PAD Frames are requested and received by the encoder. -
Page 12: Stream (A): Encoded Audio
Stream (A): Encoded Audio 3.1.1 MAGIC DAB+ Go Audio Encoder: Audio Stream Configuration • Streaming Mode Stream, UDP stream using RTP • IP Address 1 The address of the PC running the OODR-SourceCompanion program (192.168.27.110 in this example) • Audio Port 1 The port dedicated to this stream (7000 in this example) -
Page 13: Odr-Sourcecompanion: Audio Stream Configuration
--jitter-size (see also chaper 5, List The ODR-SourceCompanion parameter of Parameters dedicated to AVT Encoders) is a further possibility to adapt the buffer on the multiplexer site in case of a wide area network transmission to reduce the influence of network jitter. -
Page 14: Stream (B): Control Channel (Optional)
Stream (B): Control channel (optional) 3.2.1 MAGIC DAB+ Go Audio Encoder: Control Channel Configuration • A remote control is possible via the parameter VDL Ctrl. Port Set to the desired control port (10001 in this example) Figure 5: Control Channel Configuration on MAGIC DAB+ Go 3.2.2 ODR-SourceCompanionc: Control Channel Configuration The corresponding parameter in the ODR-SourceCompanion program is... -
Page 15: Stream (C): Pad Frames
Stream (C): PAD Frames 3.3.1 MAGIC DAB+ Go Audio Encoder: PAD Frames Configuration To feed into the MAGIC DAB+ Go Encoder the following settings are necessary: • PAD Interface Select ON – using UDP • PAD Inserter IP Address 1 The address of the PC running the ODR-SourceCompanion program (192.168.27.110... -
Page 17: Example
EXAMPLE With the previously given examples, the ODR-SourceCompanion command parameters are correspondingly: odr-sourcecompanion --input-uri=udp://:7000 -- control-uri=udp://192.168.27.112:10001 --pad- port=9900 -b 96 --sbr -c 2 -p 50 -P /tmp/pad.fifo -o tcp://localhost:9000 -b 96 Sets the bitrate 96 kbps --sbr Enables SBR on the encoder -c 2 Sets to mode to Stereo -p 50... -
Page 19: List Of Parameters Dedicated To Avt Encoders
LIST OF PARAMETERS DEDICATED TO AVT ENCODERS -I or --input-uri=URI Input URI Supported: 'udp://...' --control-uri=URI Output control URI Supported: 'udp://...' --timeout=ms Maximum waiting time for a frame in milliseconds Default=2000 --pad-port=port Port for PAD Frame requests Default=0 (not opened) --jitter-size=nbFrames... -
Page 21: List Of Figures
LIST OF FIGURES FIGURE 1: GENERAL ODR ARCHITECTURE ............9 FIGURE 2: COMMUNICATION STREAMS ............11 FIGURE 3: UDP AUDIO STREAM CONFIGURATION ON MAGIC DAB+ GO ..12 FIGURE 4: EDI AUDIO STREAM CONFIGURATION ON MAGIC DAB+ GO .... 13 FIGURE 5: CONTROL CHANNEL CONFIGURATION ON MAGIC DAB+ GO....
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