Comrex LiveShot Rackmount User manual
LiveShot 1.4 •May 2015
LIVESHOT IP VIDEO CODEC
I. InTrODuCTIOn 5
A WOrD AbOuT 3G/4G nETWOrkS 6
QuICkSTArT In LOOPbACk 7
II. LIVESHOT COnnECTIOnS, COnTrOLS, InDICATOrS 8
LIVESHOT POrTAbLE COnnECTIOnS, COnTrOLS, InDICATOrS 8
POrTAbLE COnnECTOr PInOuT 11
POrTAbLE POWEr DETAILS 12
LIVESHOT rACkmOunT COnnECTIOnS, COnTrOLS, InDICATOrS 13
rACkmOunT COnnECTOr PInOuT 15
AbOuT LIVESHOT VIDEO I/O 16
AbOuT LIVESHOT VIDEO CODInG 18
bITrATE 18
VIDEO LInES 19
FrAmE rATE 19
AbOuT LIVESHOT AuDIO CODInG 19
LIVESHOT EnCODE/DECODE LImITS 20
AbOuT LIVESHOT nETWOrkInG AnD PrOTOCOLS 21
mOrE AbOuT CrOSSLOCk 22
III. GETTInG STArTED WITH LIVESHOT rACkmOunT 25
COnnECTInG TO A nETWOrk 25
COnnECTInG InPuT AuDIO/VIDEO 27
IV. GETTInG STArTED WITH LIVESHOT POrTAbLE 28
COnnECTInG TO A nETWOrk 28
ETHErnET 28
WIrELESS DEVICES 28
COnnECTInG InPuT AuDIO/VIDEO 29
COnnECTInG OuTPuT AuDIO/VIDEO 29
V. GETTInG STArTED WITH CrOSSLOCk 30
VI. GETTInG STArTED WITH LIVESHOT WEb InTErFACE 32
STATuS SECTIOn 35
nETWOrk TAb 36
PEErS TAb 37
mEDIA LInk TAb 38
COnFIG TAb 39
VII. nETWOrk TAb DETAILS 40
LOCATIOnS 41
ETHErnET SETTInGS 42
WLAn SETTInGS 44
3G/4G SETTInGS 44
DuAL mODEm SuPPOrT 45
InTErnAL ACCESS POInT 46
ADVAnCED nETWOrk FEATurES 46
GATEWAy mODE 46
PrESErVE AFTEr rESET 47
uSE WITH CrOSSLOCk 48
brOADCAST COnFIG 48
VIII. PEErS TAb DETAILS 49
EDITInG PEErS 51
IX. mEDIA LInk TAb DETAILS 52
uTILIzATIOn GrAPH 53
PACkET LOSS GrAPH 53
DELAy SLIDEr 54
mEDIA LInk DETAILED VIEW 55
X. COnFIG TAb DETAILS 57
A/V POrTS 58
ADVAnCED A/V SETTInGS 60
COnnECTIOn PrOFILES 61
VIDEO STrEAmS 63
VIDEO ADVAnCED OPTIOnS 64
InTErLACED mODE 64
AuDIO STrEAmS 67
AuDIO ADVAnCED OPTIOnS 69
HOW buFFEr PArAmETErS WOrk 69
AbOuT COnnECTIOn PrOFILE COmbOS 70
ADmIn SETTInGS 70
ADmIn ADVAnCED OPTIOnS 71
ADVAnCED COnFIG OPTIOnS 71
AuTO-COnnECT 71
SESSIOn mODES 73
SySTEm CLOCk 74
SWITCHbOArD SETTInGS 75
CrOSSLOCk VPn 76
XI. mAkInG AnD rECEIVInG LIVESHOT COnnECTIOnS 78
mAkInG COnnECTIOnS VIA THE WEb InTErFACE 79
mAkInG COnnECTIOnS VIA HOTkEyS 79
mAkInG CrOSSLOCk COnnECTIOnS WITHOuT uSInG SWITCHbOArD 80
AbOuT CrOSSLOCk SECurITy 80
ADDInG SWITCHbOArD PEErS mAnuALLy 80
PErmISSIVE mODE 82
mAkInG nOn-CrOSSLOCk COnnECTIOnS 83
XII. uSInG THE LIVESHOT rACk FrOnT PAnEL InTErFACE 85
XIII. ADVAnCED TOPICS 90
muLTIPLE CrOSSLOCk COnnECTIOnS 90
STrEAmInG mODES 91
rTSP STrEAmInG SESSIOn mODES 91
STrEAmInG SErVEr mODE 92
STrEAm IFb TO PLAyEr mODE 92
CODEC AnD bAnDWIDTH COnCErnS In rTSP STrEAmInG mODES 92
XIV. LICEnSES 94
AbOuT COmrEX
Comrex has been building reliable, high quality broadcast equipment since 1961. Our products are
used daily in every part of the world by networks, staons and program producers.
Every product we manufacture has been carefully designed to funcon awlessly, under the harshest
condions, over many years of use. Each unit we ship has been individually and thoroughly tested.
Comrex stands behind its products. We promise that if you call us for technical assistance, you will talk
directly with someone who knows about the equipment and will do everything possible to help you.
You can contact Comrex by phone at 978-784-1776. Our toll free number in North America is 800-237-
1776. Product informaon along with engineering notes and user reports are available on our website at
www.comrex.com. Our email address is info@comrex.com.
WArrAnTy AnD DISCLAImEr
All equipment manufactured by Comrex Corporaon is warranted by Comrex against defects in
material and workmanship for one year from the date of original purchase, as veried by the return of
the Warranty Registraon Card. During the warranty period, we will repair or, at our opon, replace at
no charge a product that proves to be defecve, provided you obtain return authorizaon from Comrex
and return the product, shipping prepaid, to Comrex Corporaon, 19 Pine Road, Devens, MA 01434
USA. For return authorizaon, contact Comrex at 978-784-1776 or fax 978-784-1717.
This Warranty does not apply if the product has been damaged by accident or misuse or as the result of
service or modicaon performed by anyone other than Comrex Corporaon.
With the excepon of the warranes set forth above, Comrex Corporaon makes no other warranes,
expressed or implied or statutory, including but not limited to warranes of merchantability and tness
for a parcular purpose, which are hereby expressly disclaimed. In no event shall Comrex Corporaon
have any liability for indirect, consequenal or punive damages resulng from the use of this product.
- LiveShot connects to cameras and switches via a wide array of A/V
HD-SDI, analog and HDMI
Summary - Default coding is 2.2Mbps (or lower) up, 400Kbps (or lower) down. The default
video encoders will throle based on network performance. This works well with LTE or a pair
of 3G modems.
The default mode (or “sweet spot”) for LiveShot delivers a video feed
coded to 2Mbps, along with an audio feed coded to 48Kbps. With
packetization overhead, this stream comes in around 2.2Mbps total.
A lower quality stream is delivered in the direction to the Portable at
around 400Kbps total. If network connections are constrained, the
video encode rate will be reduced without interruption. These are only
default modes, and lots of profiles exist to raise or lower these data
rates depending on available networks.
HD-SDI, HDMI, or
HD-SDI or
HDMI
HDMI or
F2
and watch the show! F2
shows the front panel of the LiveShot Portable:
1
2
3 - Shows current network status:
Red - No network found
O- Network OK
Green - established
Flashing Green
4
5
6
7
of
8
sources on and
shows the top panel of LiveShot Portable:
1
2
3
4
shows the rear panel of LiveShot Portable:
1
2
3
4
5
the
6
7 - Analog
8
9 (or analog audio along with
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
(iPhone-style pinning)
Sleeve -
“sandwiched
3
4
5 - Used to deliver network status info:
= Network lost
6
3
4
5 - Used to deliver network status info:
= Network lost
6
LEFT
AUDIO IN
RIGHT CUE AUDIO
AUDIO OUT
LEFT RIGHT CUE AUDIO IN OUT
GEN LOCK
COMP IN
HD SDI
IN OUT COMP OUT ETHERNET USB
SERIAL
HDMI
AES3
1
2
3
4
5
6
7
8
9
11
12
and
13
14
Pin 1
Pin 2
Pin 3
Pin 1
Pin 2
Pin 3
Summary - LiveShot will adapt to most I/O resoluons automacally and use default coding
resoluons which may be dierent sll.
On
input
along with
Also referring to
video quality
“
error resilience at the expense of “
Our “
standard
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