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#1
December 6th 03, 05:17 PM
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Freeview Channel listings / bitrates
I know this list is incorrect as it's a bit out of date, and in some cases
has been updated and in others not..... can anyone with a bit of expertease add to and correct it? MUX 1 (BBC) QAM16 BBC1: Video 4.35 Mbps, Audio 256 Kbps CBR BBC2: Video 6.48 Mbps, Audio 256 Kbps STATMUXED BBC CHOICE / CBBC: Video 6.48 Mbps, Audio 256 Kbps STATMUXED BBC News 24: Video 6.48 Mbps, Audio 192 Kbps STATMUXED MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps CBR Channel 4: Video 15 Mbps, Audio 192 Kbps CBR More 4: (Will be half of above Channel 4 figure) CBR (Or stat with Channel 4) ITV2: Video 10.00 Mbps, Audio 192 Kbps CBR ITV News: Video 3.10 Mbps, Audio 192 Kbps CBR Price Drop TV : Teletext: 720kbs CBR MUX A (SDN) QAM64 five: Video 6.00 Mbps, Audio 256 Kbps STATMUXED QVC: Video 3.40 Mbps, Audio 256 Kbps STATMUXED ITV News: Video 3.10 Mbps, Audio 256 Kbps STATMUXED Ch 15 EMPTY TV Travel Shop: Video 2.00 Mbps, Audio 256 Kbps STATMUXED NTL (Text): 720kbs CBR MUX B (BBC) QAM16 BBC FOUR / Cbeebies : Video 8.00 Mbps, Audio 256 Kbps STATMUXED 703 (Parliament, BBCi News): Video 8.00 Mbps, Audio 128 Kbps STATMUXED 701: Video 8.00 Mbps, Audio 256 Kbps STATMUXED 702: Video 8.00 Mbps, Audio 256 Kbps STATMUXED 1xtra BBC: 160 Kbps CBR BBC R5 Live: 96 Kbps CBR BBC Asian Net: 128 Kbps CBR BBC 7: 160 Kbps CBR BBC 6 Music: 160 Kbps CBR BBC 5L SportsX: 96 Kbps CBR 800kbs MUX C (CC) QAM16 Sky News: Video 6.00 Mbps, 192 Kbps. STATMUXED Sky Spts News: Video 6.00 Mbps, Audio 192 Kbps STATMUXED Sky Travel: Video 6.00 Mbps, Audio 192 Kbps STATMUXED UKHistory: Video 6.00 Mbps, Audio 192 Kbps STATMUXED MUX D (CC) QAM16 The Hits: Video 6.00Mbps, Audio 192 Kbps STATMUXED TMF: Video 6.00Mbps, Audio 192 Kbps STATMUXED FTN / UKBrightIdeas: Video 6.00 Mbps, Audio 192 Kbps STATMUXED Daytime (Disney) Video 6.00Mbps, Audio 192 Kbps STATMUXED Smash Hits: 128 Kbps CBR oneword: 64 Kbps CBR Kiss!: 128 Kbps CBR Kerrang! 128 Kbps CBR jazz fm: 128 Kbps CBR BBC World Sv: 64 Kbps CBR 640kbs 
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#2
December 8th 03, 01:33 PM
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These are from the Pontypool relay (Wenvoe network)
Info from technical info window on a nebula card. Hope this helps! I know this list is incorrect as it's a bit out of date, and in some cases has been updated and in others not..... can anyone with a bit of expertease add to and correct it? MUX 1 (BBC) QAM16 BBC1: Video 8.00 Mbps, Audio 256 Kbps BBC2: Video 8.00 Mbps, Audio 256 Kbps BBC3/CBBC: Video 8.00 Mbps, Audio 256 Kbps BBC News 24: Video 8.00 Mbps, Audio 192 Kbps BBCi (text): unable to find bitrate BBC Radio Wales: 128 Kbps BBC Radio Cymru: 128 Kbps MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps Channel 4: Video 15.00 Mbps, Audio 192 Kbps More 4: -- what's this?! ITV2: Video 10.00 Mbps, Audio 192 Kbps ITV News: Video 10.00 Mbps, Audio 192 Kbps Price Drop TV : 10.00 Mbps, Audio 192 Kbps Teletext: 720kbs -- can't verify this, info not available on nebula FourText: unknown bitrate MUX A (SDN) QAM64 five: Video Variable, 2~8 Mbps, Audio 256 Kbps QVC: -- we don't get this, S4C and S4C~2 instead; below S4C: Video variable, can go as low as 1.8 Mbps, seems to settle at max 6 Mbps, audio 192 Kbps S4C~2: not transmitting at time of test ITV News: nolonger on this mux Ch 15 - EMPTY, 64Kbps audio, 0 Mbps video TV Travel Shop: Video variable max 6.00 Mbps, seen as low as 2, Audio 256 Kbps NTL (Text): nolonger transmitting bid-up.tv: Video variable, max 6 Mbps, down to about 2 Mbps, Audio 256 Kbps BBC Radio 1: 192 Kbps BBC Radio 2: 192 Kbps BBC Radio 3: 192 Kbps BBC Radio 4: 192 Kbps heat: 128 Kbps MOJO: 128 Kbps MUX B (BBC) QAM16 BBC FOUR / CBeebies : Video 8.00 Mbps, Audio 256 Kbps Parliament/ 703 BBCi News Multiscreen: Video 8.00 Mbps, Audio 128 Kbps 701: Video 8.00 Mbps, Audio 192 Kbps 702 / Community (iirc): Video 8.00 Mbps, Audio 192 Kbps 1xtra BBC: 160 Kbps BBC R5 Live: 96 Kbps BBC Asian Net: 128 Kbps -- can't confirm, didn't seem to be transmitting BBC 7: 160 Kbps BBC 6 Music: 160 Kbps BBC 5L SportsX: 96 Kbps MUX C (CC) QAM16 Sky News: Video 6.00 Mbps, 192 Kbps. Sky Spts News: Video 6.00 Mbps, Audio 192 Kbps Sky Travel: Video 6.00 Mbps, Audio 192 Kbps UKHistory: Video 6.00 Mbps, Audio 192 Kbps MUX D (CC) QAM16 The Hits: Video 6.00Mbps, Audio 192 Kbps TMF: Video 6.00Mbps, Audio 192 Kbps FTN / UKBrightIdeas: Video 6.00 Mbps, Audio 192 Kbps Daytime (Disney): -- where is this?? not here! Unless you mean Ch 22, in which case 6.00 Mbps, 192 Kbps Smash Hits: 128 Kbps + something for the text oneword: 64 Kbps Kiss!: 128 Kbps Kerrang! 128 Kbps jazz fm: 128 Kbps BBC World Sv: 64 Kbps F2P Games (text): unable to establish bitrate The Hits Radio: 128 Kbps + some text Magic: 128 Kbps Q: 128 Kbps 4TVinteractive (text): unable to establish bitrate These are from the Pontypool relay (Wenvoe network) Info from technical info window on a nebula card. Hope this helps! I know this list is incorrect as it's a bit out of date, and in some cases has been updated and in others not..... can anyone with a bit of expertease add to and correct it? MUX 1 (BBC) QAM16 BBC1: Video 8.00 Mbps, Audio 256 Kbps BBC2: Video 8.00 Mbps, Audio 256 Kbps BBC3/CBBC: Video 8.00 Mbps, Audio 256 Kbps BBC News 24: Video 8.00 Mbps, Audio 192 Kbps BBCi (text): unable to find bitrate BBC Radio Wales: 128 Kbps BBC Radio Cymru: 128 Kbps MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps Channel 4: Video 15.00 Mbps, Audio 192 Kbps More 4: -- what's this?! ITV2: Video 10.00 Mbps, Audio 192 Kbps ITV News: Video 10.00 Mbps, Audio 192 Kbps Price Drop TV : 10.00 Mbps, Audio 192 Kbps Teletext: 720kbs -- can't verify this, info not available on nebula FourText: unknown bitrate MUX A (SDN) QAM64 five: Video Variable, 2~8 Mbps, Audio 256 Kbps QVC: -- we don't get this, S4C and S4C~2 instead; below S4C: Video variable, can go as low as 1.8 Mbps, seems to settle at max 6 Mbps, audio 192 Kbps S4C~2: not transmitting at time of test ITV News: nolonger on this mux Ch 15 - EMPTY, 64Kbps audio, 0 Mbps video TV Travel Shop: Video variable max 6.00 Mbps, seen as low as 2, Audio 256 Kbps NTL (Text): nolonger transmitting bid-up.tv: Video variable, max 6 Mbps, down to about 2 Mbps, Audio 256 Kbps BBC Radio 1: 192 Kbps BBC Radio 2: 192 Kbps BBC Radio 3: 192 Kbps BBC Radio 4: 192 Kbps heat: 128 Kbps MOJO: 128 Kbps MUX B (BBC) QAM16 BBC FOUR / CBeebies : Video 8.00 Mbps, Audio 256 Kbps Parliament/ 703 BBCi News Multiscreen: Video 8.00 Mbps, Audio 128 Kbps 701: Video 8.00 Mbps, Audio 192 Kbps 702 / Community (iirc): Video 8.00 Mbps, Audio 192 Kbps 1xtra BBC: 160 Kbps BBC R5 Live: 96 Kbps BBC Asian Net: 128 Kbps -- can't confirm, didn't seem to be transmitting BBC 7: 160 Kbps BBC 6 Music: 160 Kbps BBC 5L SportsX: 96 Kbps MUX C (CC) QAM16 Sky News: Video 6.00 Mbps, 192 Kbps. Sky Spts News: Video 6.00 Mbps, Audio 192 Kbps Sky Travel: Video 6.00 Mbps, Audio 192 Kbps UKHistory: Video 6.00 Mbps, Audio 192 Kbps MUX D (CC) QAM16 The Hits: Video 6.00Mbps, Audio 192 Kbps TMF: Video 6.00Mbps, Audio 192 Kbps FTN / UKBrightIdeas: Video 6.00 Mbps, Audio 192 Kbps Daytime (Disney): -- where is this?? not here! Unless you mean Ch 22, in which case 6.00 Mbps, 192 Kbps Smash Hits: 128 Kbps + something for the text oneword: 64 Kbps Kiss!: 128 Kbps Kerrang! 128 Kbps jazz fm: 128 Kbps BBC World Sv: 64 Kbps F2P Games (text): unable to establish bitrate The Hits Radio: 128 Kbps + some text Magic: 128 Kbps Q: 128 Kbps 4TVinteractive (text): unable to establish bitrate
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#3
December 8th 03, 01:33 PM
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These are from the Pontypool relay (Wenvoe network)
Info from technical info window on a nebula card. Hope this helps! I know this list is incorrect as it's a bit out of date, and in some cases has been updated and in others not..... can anyone with a bit of expertease add to and correct it? MUX 1 (BBC) QAM16 BBC1: Video 8.00 Mbps, Audio 256 Kbps BBC2: Video 8.00 Mbps, Audio 256 Kbps BBC3/CBBC: Video 8.00 Mbps, Audio 256 Kbps BBC News 24: Video 8.00 Mbps, Audio 192 Kbps BBCi (text): unable to find bitrate BBC Radio Wales: 128 Kbps BBC Radio Cymru: 128 Kbps MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps Channel 4: Video 15.00 Mbps, Audio 192 Kbps More 4: -- what's this?! ITV2: Video 10.00 Mbps, Audio 192 Kbps ITV News: Video 10.00 Mbps, Audio 192 Kbps Price Drop TV : 10.00 Mbps, Audio 192 Kbps Teletext: 720kbs -- can't verify this, info not available on nebula FourText: unknown bitrate MUX A (SDN) QAM64 five: Video Variable, 2~8 Mbps, Audio 256 Kbps QVC: -- we don't get this, S4C and S4C~2 instead; below S4C: Video variable, can go as low as 1.8 Mbps, seems to settle at max 6 Mbps, audio 192 Kbps S4C~2: not transmitting at time of test ITV News: nolonger on this mux Ch 15 - EMPTY, 64Kbps audio, 0 Mbps video TV Travel Shop: Video variable max 6.00 Mbps, seen as low as 2, Audio 256 Kbps NTL (Text): nolonger transmitting bid-up.tv: Video variable, max 6 Mbps, down to about 2 Mbps, Audio 256 Kbps BBC Radio 1: 192 Kbps BBC Radio 2: 192 Kbps BBC Radio 3: 192 Kbps BBC Radio 4: 192 Kbps heat: 128 Kbps MOJO: 128 Kbps MUX B (BBC) QAM16 BBC FOUR / CBeebies : Video 8.00 Mbps, Audio 256 Kbps Parliament/ 703 BBCi News Multiscreen: Video 8.00 Mbps, Audio 128 Kbps 701: Video 8.00 Mbps, Audio 192 Kbps 702 / Community (iirc): Video 8.00 Mbps, Audio 192 Kbps 1xtra BBC: 160 Kbps BBC R5 Live: 96 Kbps BBC Asian Net: 128 Kbps -- can't confirm, didn't seem to be transmitting BBC 7: 160 Kbps BBC 6 Music: 160 Kbps BBC 5L SportsX: 96 Kbps MUX C (CC) QAM16 Sky News: Video 6.00 Mbps, 192 Kbps. Sky Spts News: Video 6.00 Mbps, Audio 192 Kbps Sky Travel: Video 6.00 Mbps, Audio 192 Kbps UKHistory: Video 6.00 Mbps, Audio 192 Kbps MUX D (CC) QAM16 The Hits: Video 6.00Mbps, Audio 192 Kbps TMF: Video 6.00Mbps, Audio 192 Kbps FTN / UKBrightIdeas: Video 6.00 Mbps, Audio 192 Kbps Daytime (Disney): -- where is this?? not here! Unless you mean Ch 22, in which case 6.00 Mbps, 192 Kbps Smash Hits: 128 Kbps + something for the text oneword: 64 Kbps Kiss!: 128 Kbps Kerrang! 128 Kbps jazz fm: 128 Kbps BBC World Sv: 64 Kbps F2P Games (text): unable to establish bitrate The Hits Radio: 128 Kbps + some text Magic: 128 Kbps Q: 128 Kbps 4TVinteractive (text): unable to establish bitrate These are from the Pontypool relay (Wenvoe network) Info from technical info window on a nebula card. Hope this helps! I know this list is incorrect as it's a bit out of date, and in some cases has been updated and in others not..... can anyone with a bit of expertease add to and correct it? MUX 1 (BBC) QAM16 BBC1: Video 8.00 Mbps, Audio 256 Kbps BBC2: Video 8.00 Mbps, Audio 256 Kbps BBC3/CBBC: Video 8.00 Mbps, Audio 256 Kbps BBC News 24: Video 8.00 Mbps, Audio 192 Kbps BBCi (text): unable to find bitrate BBC Radio Wales: 128 Kbps BBC Radio Cymru: 128 Kbps MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps Channel 4: Video 15.00 Mbps, Audio 192 Kbps More 4: -- what's this?! ITV2: Video 10.00 Mbps, Audio 192 Kbps ITV News: Video 10.00 Mbps, Audio 192 Kbps Price Drop TV : 10.00 Mbps, Audio 192 Kbps Teletext: 720kbs -- can't verify this, info not available on nebula FourText: unknown bitrate MUX A (SDN) QAM64 five: Video Variable, 2~8 Mbps, Audio 256 Kbps QVC: -- we don't get this, S4C and S4C~2 instead; below S4C: Video variable, can go as low as 1.8 Mbps, seems to settle at max 6 Mbps, audio 192 Kbps S4C~2: not transmitting at time of test ITV News: nolonger on this mux Ch 15 - EMPTY, 64Kbps audio, 0 Mbps video TV Travel Shop: Video variable max 6.00 Mbps, seen as low as 2, Audio 256 Kbps NTL (Text): nolonger transmitting bid-up.tv: Video variable, max 6 Mbps, down to about 2 Mbps, Audio 256 Kbps BBC Radio 1: 192 Kbps BBC Radio 2: 192 Kbps BBC Radio 3: 192 Kbps BBC Radio 4: 192 Kbps heat: 128 Kbps MOJO: 128 Kbps MUX B (BBC) QAM16 BBC FOUR / CBeebies : Video 8.00 Mbps, Audio 256 Kbps Parliament/ 703 BBCi News Multiscreen: Video 8.00 Mbps, Audio 128 Kbps 701: Video 8.00 Mbps, Audio 192 Kbps 702 / Community (iirc): Video 8.00 Mbps, Audio 192 Kbps 1xtra BBC: 160 Kbps BBC R5 Live: 96 Kbps BBC Asian Net: 128 Kbps -- can't confirm, didn't seem to be transmitting BBC 7: 160 Kbps BBC 6 Music: 160 Kbps BBC 5L SportsX: 96 Kbps MUX C (CC) QAM16 Sky News: Video 6.00 Mbps, 192 Kbps. Sky Spts News: Video 6.00 Mbps, Audio 192 Kbps Sky Travel: Video 6.00 Mbps, Audio 192 Kbps UKHistory: Video 6.00 Mbps, Audio 192 Kbps MUX D (CC) QAM16 The Hits: Video 6.00Mbps, Audio 192 Kbps TMF: Video 6.00Mbps, Audio 192 Kbps FTN / UKBrightIdeas: Video 6.00 Mbps, Audio 192 Kbps Daytime (Disney): -- where is this?? not here! Unless you mean Ch 22, in which case 6.00 Mbps, 192 Kbps Smash Hits: 128 Kbps + something for the text oneword: 64 Kbps Kiss!: 128 Kbps Kerrang! 128 Kbps jazz fm: 128 Kbps BBC World Sv: 64 Kbps F2P Games (text): unable to establish bitrate The Hits Radio: 128 Kbps + some text Magic: 128 Kbps Q: 128 Kbps 4TVinteractive (text): unable to establish bitrate
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#4
December 8th 03, 10:03 PM
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Peter G Sheppard wrote:
These are from the Pontypool relay (Wenvoe network) BBC1: Video 8.00 Mbps, Audio 256 Kbps BBC2: Video 8.00 Mbps, Audio 256 Kbps BBC3/CBBC: Video 8.00 Mbps, Audio 256 Kbps BBC News 24: Video 8.00 Mbps, Audio 192 Kbps BBCi (text): unable to find bitrate BBC Radio Wales: 128 Kbps BBC Radio Cymru: 128 Kbps That can't be correct. The total payload of a 16QAM mux is 18Mb/s, that lot adds up to over 34Mb/s MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps Channel 4: Video 15.00 Mbps, Audio 192 Kbps More 4: -- what's this?! ITV2: Video 10.00 Mbps, Audio 192 Kbps ITV News: Video 10.00 Mbps, Audio 192 Kbps Price Drop TV : 10.00 Mbps, Audio 192 Kbps Teletext: 720kbs -- can't verify this, info not available on nebula FourText: unknown bitrate Nonsense also. At 64QAM the payload is 24Mb/s, there's 50 there ! I don't think your card is measuring things correctly, I suspect the video rates may absolute peak values set by the encoder for stat muxing, certainly not typical, and nowhere near what the normal rates are. The audio data is correct though, but that can't be varied dynamically.
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#5
December 8th 03, 10:03 PM
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Peter G Sheppard wrote:
These are from the Pontypool relay (Wenvoe network) BBC1: Video 8.00 Mbps, Audio 256 Kbps BBC2: Video 8.00 Mbps, Audio 256 Kbps BBC3/CBBC: Video 8.00 Mbps, Audio 256 Kbps BBC News 24: Video 8.00 Mbps, Audio 192 Kbps BBCi (text): unable to find bitrate BBC Radio Wales: 128 Kbps BBC Radio Cymru: 128 Kbps That can't be correct. The total payload of a 16QAM mux is 18Mb/s, that lot adds up to over 34Mb/s MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps Channel 4: Video 15.00 Mbps, Audio 192 Kbps More 4: -- what's this?! ITV2: Video 10.00 Mbps, Audio 192 Kbps ITV News: Video 10.00 Mbps, Audio 192 Kbps Price Drop TV : 10.00 Mbps, Audio 192 Kbps Teletext: 720kbs -- can't verify this, info not available on nebula FourText: unknown bitrate Nonsense also. At 64QAM the payload is 24Mb/s, there's 50 there ! I don't think your card is measuring things correctly, I suspect the video rates may absolute peak values set by the encoder for stat muxing, certainly not typical, and nowhere near what the normal rates are. The audio data is correct though, but that can't be varied dynamically.
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#6
December 9th 03, 12:08 AM
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Mark Carver wrote:
Peter G Sheppard wrote: These are from the Pontypool relay (Wenvoe network) BBC1: Video 8.00 Mbps, Audio 256 Kbps BBC2: Video 8.00 Mbps, Audio 256 Kbps BBC3/CBBC: Video 8.00 Mbps, Audio 256 Kbps BBC News 24: Video 8.00 Mbps, Audio 192 Kbps BBCi (text): unable to find bitrate BBC Radio Wales: 128 Kbps BBC Radio Cymru: 128 Kbps That can't be correct. The total payload of a 16QAM mux is 18Mb/s, that lot adds up to over 34Mb/s MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps Channel 4: Video 15.00 Mbps, Audio 192 Kbps More 4: -- what's this?! ITV2: Video 10.00 Mbps, Audio 192 Kbps ITV News: Video 10.00 Mbps, Audio 192 Kbps Price Drop TV : 10.00 Mbps, Audio 192 Kbps Teletext: 720kbs -- can't verify this, info not available on nebula FourText: unknown bitrate Nonsense also. At 64QAM the payload is 24Mb/s, there's 50 there ! I don't think your card is measuring things correctly, I suspect the video rates may absolute peak values set by the encoder for stat muxing, certainly not typical, and nowhere near what the normal rates are. The audio data is correct though, but that can't be varied dynamically. Yeah, I briefly owned a Nebula DigiTV card and I noticed that the bit rates displayed by it were ********. The best way to see what bit rates are used on DTT is to record a few hours and then divide the number of bits by the number of seconds. Even then it might not be that representative because they might have had an action film on or something. -- Steve - http://www.digitalradiotech.co.uk/ - Digital Radio News & Info DAB sounds worse than Freeview, digital satellite, cable, broadband internet and FM
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#7
December 9th 03, 12:08 AM
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Mark Carver wrote:
Peter G Sheppard wrote: These are from the Pontypool relay (Wenvoe network) BBC1: Video 8.00 Mbps, Audio 256 Kbps BBC2: Video 8.00 Mbps, Audio 256 Kbps BBC3/CBBC: Video 8.00 Mbps, Audio 256 Kbps BBC News 24: Video 8.00 Mbps, Audio 192 Kbps BBCi (text): unable to find bitrate BBC Radio Wales: 128 Kbps BBC Radio Cymru: 128 Kbps That can't be correct. The total payload of a 16QAM mux is 18Mb/s, that lot adds up to over 34Mb/s MUX 2 (Digital 3 & 4) QAM64 ITV1: Video 4.00 Mbps, Audio 192 Kbps Channel 4: Video 15.00 Mbps, Audio 192 Kbps More 4: -- what's this?! ITV2: Video 10.00 Mbps, Audio 192 Kbps ITV News: Video 10.00 Mbps, Audio 192 Kbps Price Drop TV : 10.00 Mbps, Audio 192 Kbps Teletext: 720kbs -- can't verify this, info not available on nebula FourText: unknown bitrate Nonsense also. At 64QAM the payload is 24Mb/s, there's 50 there ! I don't think your card is measuring things correctly, I suspect the video rates may absolute peak values set by the encoder for stat muxing, certainly not typical, and nowhere near what the normal rates are. The audio data is correct though, but that can't be varied dynamically. Yeah, I briefly owned a Nebula DigiTV card and I noticed that the bit rates displayed by it were ********. The best way to see what bit rates are used on DTT is to record a few hours and then divide the number of bits by the number of seconds. Even then it might not be that representative because they might have had an action film on or something. -- Steve - http://www.digitalradiotech.co.uk/ - Digital Radio News & Info DAB sounds worse than Freeview, digital satellite, cable, broadband internet and FM
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#8
December 9th 03, 01:10 AM
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Mark Carver wrote: Nonsense also. At 64QAM the payload is 24Mb/s, there's 50 there ! I don't think your card is measuring things correctly, I suspect the video rates may absolute peak values set by the encoder for stat muxing, certainly not typical, and nowhere near what the normal rates are. The audio data is correct though, but that can't be varied dynamically. These must be values transmitted as fields witin the SI data, the BBC's figures, whilst extreme, look like the extreme upper limit for statmuxing and can not possibly have been reached by bit-rate measurement. The 4.35Mb/s given for BBC-1 in the original post strikes me as appearing correct given that, in England, BBC-1 is not statmuxed with other services. Intersting though the Welsh measurments would appear to indicate that BBC-1W as part of a statmuxed group. ISTR that S4C~ and S4C~2 are statmuxed into 6Mb/s (which would include audio) before being sent to Crawley Count for combination and up-linkng to the sat that distributes to the mux-A trnsport stream to the txs. ITV having an upper limit of 4Mb/s stikes true though, 10Mb/s is just a porky though! Rgds/Ted
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#9
December 9th 03, 01:10 AM
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Mark Carver wrote: Nonsense also. At 64QAM the payload is 24Mb/s, there's 50 there ! I don't think your card is measuring things correctly, I suspect the video rates may absolute peak values set by the encoder for stat muxing, certainly not typical, and nowhere near what the normal rates are. The audio data is correct though, but that can't be varied dynamically. These must be values transmitted as fields witin the SI data, the BBC's figures, whilst extreme, look like the extreme upper limit for statmuxing and can not possibly have been reached by bit-rate measurement. The 4.35Mb/s given for BBC-1 in the original post strikes me as appearing correct given that, in England, BBC-1 is not statmuxed with other services. Intersting though the Welsh measurments would appear to indicate that BBC-1W as part of a statmuxed group. ISTR that S4C~ and S4C~2 are statmuxed into 6Mb/s (which would include audio) before being sent to Crawley Count for combination and up-linkng to the sat that distributes to the mux-A trnsport stream to the txs. ITV having an upper limit of 4Mb/s stikes true though, 10Mb/s is just a porky though! Rgds/Ted
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#10
December 9th 03, 01:14 AM
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Mark Carver wrote:
Nonsense also. At 64QAM the payload is 24Mb/s, there's 50 there ! I don't think your card is measuring things correctly, I suspect the video rates may absolute peak values set by the encoder for stat muxing, certainly not typical, and nowhere near what the normal rates are. The audio data is correct though, can't be varied dynamically. These must be values transmitted as fields witin the SI data, the BBC's figures, whilst extreme, look like the extreme upper limit for statmuxing and can not possibly have been reached by bit-rate measurement. The 4.35Mb/s given for BBC-1 in the original post strikes me as appearing correct given that, in England, BBC-1 is not statmuxed with other services. Intersting though the Welsh measurments would appear to indicate that BBC-1W as part of a statmuxed group. ISTR that S4C~ and S4C~2 are statmuxed into 6Mb/s (which would include audio) before being sent to Crawley Count for combination and up-linkng to the sat that distributes to the mux-A trnsport stream to the txs. ITV having an upper limit of 4Mb/s stikes true though, 10Mb/s is just a porky though! Rgds/Ted
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