DVBT: Unterschied zwischen den Versionen
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== DVBT == | == DVBT == | ||
[[Datei:Dvbt en300744 figure1.png]] | [[Datei:Dvbt en300744 figure1.png|miniatur]] | ||
* MPEG-2 encoding is done via [[DVBT/avconv|ffmpeg / avconv. click here for details]]. | * MPEG-2 encoding is done via [[DVBT/avconv|ffmpeg / avconv. click here for details]]. | ||
* every mpegts can include multiple video / audio streams | * every mpegts can include multiple video / audio streams | ||
* in hierachical mode, 2 mpegts can be transmitted on the same channel | * in hierachical mode, 2 mpegts can be transmitted on the same channel | ||
* | * https://github.com/siro20/dvbt-encoder/tree/master/app requires a mpeg-ts as input and does all the encoding up to complex baseband signal generation | ||
* D/A and frontend have to be realized in hardware | * D/A and frontend have to be realized in hardware | ||
* hardware includes baseband filters, frequency selection, sample rate selectors and power amplifiers | * hardware includes baseband filters, frequency selection, sample rate selectors and power amplifiers | ||
== | == Project status == | ||
* the DVBT-Transmitter has been completed and is running | |||
== Source code == | |||
* the source code of the DVBT encoder can be found here: https://github.com/siro20/dvbt-encoder | |||
== Hardware == | |||
* as transmitter the [http://nuand.com/ bladerf] is used | |||
== Links == | == Links == | ||
http://www.sunriase.com/2012/09/feobn-usb-dongle-of-dvb-t-modulator.html | * http://www.sunriase.com/2012/09/feobn-usb-dongle-of-dvb-t-modulator.html | ||
http://cp.literature.agilent.com/litweb/pdf/ads2008/dtv/ads2008/DTV_BCHCoder.html | * http://cp.literature.agilent.com/litweb/pdf/ads2008/dtv/ads2008/DTV_BCHCoder.html | ||
* https://github.com/siro20/dvbt-encoder | |||
Aktuelle Version vom 13. Oktober 2014, 09:24 Uhr
DVBT[Bearbeiten | Quelltext bearbeiten]
- MPEG-2 encoding is done via ffmpeg / avconv. click here for details.
- every mpegts can include multiple video / audio streams
- in hierachical mode, 2 mpegts can be transmitted on the same channel
- https://github.com/siro20/dvbt-encoder/tree/master/app requires a mpeg-ts as input and does all the encoding up to complex baseband signal generation
- D/A and frontend have to be realized in hardware
- hardware includes baseband filters, frequency selection, sample rate selectors and power amplifiers
Project status[Bearbeiten | Quelltext bearbeiten]
- the DVBT-Transmitter has been completed and is running
Source code[Bearbeiten | Quelltext bearbeiten]
- the source code of the DVBT encoder can be found here: https://github.com/siro20/dvbt-encoder
Hardware[Bearbeiten | Quelltext bearbeiten]
- as transmitter the bladerf is used