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Q V i d i u m

®

  T E C H N O L O G I E S ,   I N C .  

QVENC4K™ 4K/UHD HEVC/AVC 

Streaming Internet Video Encoder

  

For Live Internet Streaming and Professional Video 

Applications

 

Model:  #

QVENC4K

 

 

User Manual v.2 

September 19, 2023 

Application Firmware Version 34.59.14 

 

 2023 QVidium

®

 Technologies, Inc. 

San Diego, CA 92130 

Phone 858.792.6407 • e-mail: [email protected] 

 

Содержание QVENC4K 4K/UHD HEVC/AVC

Страница 1: ...ernet Video Encoder For Live Internet Streaming and Professional Video Applications Model QVENC4K User Manual v 2 September 19 2023 Application Firmware Version 34 59 14 2023 QVidium Technologies Inc...

Страница 2: ...er System Reset 28 4 1 CodecManager 28 4 2 Resetting the Network Parameters 28 4 3 Resetting the System Configuration 28 4 4 Resetting the Password 29 4 5 Command Line Interface 29 5 Built in Firewall...

Страница 3: ...selection of common audio encoding formats including surround sound 7 1 QVidium was the first company to invent a negative acknowledgement feedback based video transport and error correction mechanism...

Страница 4: ...er s refresh control usually shown as a counterclockwise circular arrow 1 3 Dashboard and System Menu The first menu item after logging in is the Dashboard which shows relevant parameters for the curr...

Страница 5: ...stall the modules that are not up to date For more details about updating your firmware please see Section 1 8 Updating Reboot will restart the entire system and Shutdown will turn off the power to th...

Страница 6: ...r powering off any other QVidium devices or products that may be connected to that Ethernet switch 4 Click once on the entry for the QVENC4K that you want to configure and click on Edit to configure t...

Страница 7: ...the IP address you will need to change the URL in the web browser to point to the new address after clicking on Save The Network Configure page allows you to modify the static IP address parameters a...

Страница 8: ...the QVENC4K then we suggest either resetting the network interface using the USB Console Port method below or via the USB serial port USB Console Port Alternatively you can connect a USB cable to the...

Страница 9: ...User Manual v 2 QVidium QVENC4K UHD HEVC Video Encoder Copyright 2023 QVidium Technologies Inc Page 9 of 43 Figure 3 Network Ping example for GigE 2 Top Configuration Bottom Output...

Страница 10: ...route from the QVENC4K to the IP or DNS address you specify Traceroute is very helpful in locating instances where an ISP might employ dynamic load balancing and other routing problems that can affect...

Страница 11: ...Updating prevents any unauthorized firmware from entering the unit Should the user require shell or SSH access to the unit a public private certificate based system can be enabled that disallows shell...

Страница 12: ...nt View Power Indicator Indicator Description Power Glows amber when power is first applied Glows green when powered on and operational Glows red upon encountering an error condition Note A USB2 Micro...

Страница 13: ...12G SDI Input Output port all SDI rates up to 12Gbps 4 SDI SFP port for 2 nd SDI I O port optical or copper 12G SDI max 5 USB USB 3 0 type A connector for additional memory or Ethernet port 6 GigE 1 F...

Страница 14: ...n provided by the instrument may be impaired resulting in personal injury or damage to the product Only product safety approved DC power supply units based on all applicable local state provincial and...

Страница 15: ...howing various profiles is shown in the following screen shot of Figure 5 Figure 5 Sample Encoder Profiles Page All settings are stored in non volatile flash memory allowing the encoder to automatical...

Страница 16: ...rdwired network you can select UDP for the IP transport The UDP protocol is the simplest to configure and incurs the least amount of added delay However to send a video stream over the public Internet...

Страница 17: ...to a valid source and outputting an IP stream on GigE Port2 NOTE The QVENC4K is designed to only accommodate HD SDI 3G SDI 6G SDI and 12G SDI input speeds for video resolutions from 720p through 2160...

Страница 18: ...on and format The encoder contains a built in video scalar that provides the QVENC4K the ability to change the video resolution before it is encoded and output as a stream Figure 7 Encoder Profile Exa...

Страница 19: ...ault is HEVC You can select between HEVC H 265 encoding and MPEG4 AVC H 264 Main profile HEVC requires about one half 1 2 to one third 1 3 of the bit rate for comparable video quality versus H 264 for...

Страница 20: ...ereo pairs 8 4 stereo pairs 4 channels independent 5 1 multi channel 5 1 downmix to stereo AC 3 pass through AC 3 transcode or AC 3 transcode to stereo Default is 2 1 stereo pair This setting allows y...

Страница 21: ...u can specify up to 4 sets of output settings as shown below in Figure 10 Each output field will contain the destination IP address and the transport protocol along with the specific parameters associ...

Страница 22: ...port options SRT RIST Main and Simple profiles QVidium ARQ RTMP both RTMP and RTMPS Zixi UDP and RTP Here are the parameters required for the following video transport protocol UDP RTP Destination IP...

Страница 23: ...e the specification of a UDP port the value should be greater than 1023 so as not to potentially interfere with internally used ports and less than 65536 Note CDN protocols RTMP RTMPS and HLS use TCP...

Страница 24: ...ctual packet loss rather than attempt to predict packet loss it can precisely and completely restore all lost packets without disturbing timing of the video play out In contrast to FEC ARQ can success...

Страница 25: ...outgoing packets for later retransmission when necessary Normally the ARQ port should be set to the same value as the outgoing UDP port for the video stream with a default value of 10000 This will all...

Страница 26: ...figuration settings when selected RIST Main Profile created a virtual private network tunnel when started It therefore has additional parameters to configure related to this feature RTMP adds a Key an...

Страница 27: ...k right side of the encoder is lit If not then check your source The Encoder Messages page should also provide details about the encoder operation and may help pinpoint why the encoder did not start F...

Страница 28: ...u cannot determine the IP address using CodecManager you can connect to the internal Linux command console through the USB Console port with a USB cable having a Micro B USB2 connector on one end for...

Страница 29: ...ct a Linux formatted Filesystem such as ext2 or ext3 you will have to manually mount the file system The initial mount point is media sda1 From the command line interface first type cd media sda1 then...

Страница 30: ...s to the device If your device is remotely accessing your QVidium encoder you can determine its external IP address to add to the white list by going to the URL http www ipchicken com Also you must sp...

Страница 31: ...s No Data then you likely have a firewall before the decoder blocking the traffic You must add a Port Forwarding rule on the decoder side firewall to allow UDP traffic on port 10000 or whatever UDP po...

Страница 32: ...it 4 Make certain that you have entered the correct IP address for the destination under Encoder Profile and the correct gateway under Network Configure if the receiver is on another subnet 5 Try ping...

Страница 33: ...its of the audio input circuitry To fix this problem increase the audio attenuation in the Volume control on the Encoder when the encoder is running until the distortion is gone Other problems with en...

Страница 34: ...l response time within 24 hours Technical support is limited to the basic functionality found in the Web user interface and to standard network applications For example we cannot provide detailed comm...

Страница 35: ...encodes audio using either MPEG 1 Layer II encoding MPEG2 AAC or MPEG4 AAC audio encoding For minimizing the audio bitrate we provide the option of setting the number of audio channels to 1 and the au...

Страница 36: ...fies the IP address or Hostname for the Video IP stream UDP Port This specifies the UDP port number P base 10 for the Video IP stream TS packets per IP packet This field allows specification of the nu...

Страница 37: ...eneral guideline to help with estimating the expected network loading Maximum Video Encoding Stream Bit Rates 60 Mbps Minimum Suggested Stream Bit Rates for general content such as movies assumes audi...

Страница 38: ...o 64 Kbps and the Sample Rate to 32 KHz Any audio encoding results in 84 Kbps At low bitrates we have found that MPEG1 Layer2 Audio Encoding sounds best Note setting MPEG1 Layer2 to 56 Kbps results in...

Страница 39: ...s are only relevant to the QVENC4K and QVENC For video output and decoding the specs are only relevant to the QVENC4K and QVDEC Specifications Network Interface IEEE 802 3 1000 100 10 Base TX Gigabit...

Страница 40: ...n Profile and Baseline Profile encoding up to Level 4 1 HD Input 1920x1080 60 or 50 fps progressive 1080p 1920x1080 30 or 25 fps interlaced 1080i 1280x720 60 or 50 fps 720p HD encoding 1920x1080 50 or...

Страница 41: ...echnologies Inc Page 41 of 43 Environmental Operating temperature 0 to 55o C Operating humidity 0 to 90 R H non condensing Non operating temperature 20 to 70o C Non operating humidity 0 to 95 R H non...

Страница 42: ...ir or replacement e Any damage of the product due to shipment f Removal or installation of the product g Causes external to the product such as electric power fluctuations or failure h Use of supplies...

Страница 43: ...signed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and...

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