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Humax HDR & digital radio bit rate |
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#1 |
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Join Date: Apr 2009
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Humax HDR & digital radio bit rate
Hi
Does anyone know what the sample frequency and word length is for radio stations broadcast on Freesat, for BBC Radio 3 for example? Is it in MP3 format or something better, 44.1Khz/16 bit for instance? I'm interested to know what standard is available on the S/PDIF optical digital out of the Humax HDR with Digital radio. Thanks |
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#2 |
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Join Date: Nov 2001
Location: Kilwinning, North Ayrshire.
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Quote:
Hi
Does anyone know what the sample frequency and word length is for radio stations broadcast on Freesat, for BBC Radio 3 for example? Is it in MP3 format or something better, 44.1Khz/16 bit for instance? I'm interested to know what standard is available on the S/PDIF optical digital out of the Humax HDR with Digital radio. Thanks (Generally that's the highest bitrate for the radio channels, some are much less, but most of the BBC channels are 192 kbps)They sound fine vis SPDIF, much better than the pile of poo that is DAB.
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#3 |
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Join Date: Apr 2009
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Quote:
BBC Radio 3 is 48 khz 192 kbps
(Generally that's the highest bitrate for the radio channels, some are much less, but most of the BBC channels are 192 kbps)They sound fine vis SPDIF, much better than the pile of poo that is DAB. ![]() |
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#4 |
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Join Date: Nov 2001
Location: Kilwinning, North Ayrshire.
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Quote:
Thanks, any idea what the word length is?
You probably mean something alltogether different. ![]() I don't have an HDR so if you mean something along the lines of RDS text data, i have no idea i'm afraid. |
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#5 |
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Join Date: Apr 2009
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[quote=Snoods;31913171
You probably mean something alltogether different. ![]() [/QUOTE] Yes, the digital audio format is normally given as a sample rate and digital word length. For example the red book CD standard is 44.1Khz sample rate and 16 bit word length. There higher standards such as 96Khz sample rate and 24 bit word length, and even 192Khz / 24 bit. I was wondering what would be coming out of the S/PDIF digital audio output when tuned to BBC Radio 3. I have an external DAC which will convert any of the above formats which I want to use with my Foxsat HDR for listening to Radio 3. |
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#6 |
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Forum Member
Join Date: Nov 2001
Location: Kilwinning, North Ayrshire.
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Yes, the digital audio format is normally given as a sample rate and digital word length. For example the red book CD standard is 44.1Khz sample rate and 16 bit word length.
There higher standards such as 96Khz sample rate and 24 bit word length, and even 192Khz / 24 bit. I was wondering what would be coming out of the S/PDIF digital audio output when tuned to BBC Radio 3. I have an external DAC which will convert any of the above formats which I want to use with my Foxsat HDR for listening to Radio 3. ![]() I will leave it to someone who knows what you are talking about, clearly it's not me.
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#7 |
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Join Date: Dec 2008
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Digital radio is mp2 format.
Word length is only relevant for PCM audio. Of course, the Freesat box does not output as mp2 - it outputs as PCM. It will be 16 bit (as every other source is (I think), except DTS-HD/AC3-HD). So output through SPDIF is 48kHz, 16-bit. Main 4 BBC Radio channels are 192k. Others are less... Radio 7 is 160k, Radio 5 is probably less. |
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#8 |
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Join Date: Apr 2009
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Ah i see, well you learn something new every day, word length is something i've never heard of, way above my head obviously.
![]() I will leave it to someone who knows what you are talking about, clearly it's not me. ![]()
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#9 |
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Join Date: Apr 2009
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Quote:
Digital radio is mp2 format.
Word length is only relevant for PCM audio. Of course, the Freesat box does not output as mp2 - it outputs as PCM. It will be 16 bit (as every other source is (I think), except DTS-HD/AC3-HD). So output through SPDIF is 48kHz, 16-bit. Main 4 BBC Radio channels are 192k. Others are less... Radio 7 is 160k, Radio 5 is probably less. Thank you, it should sound very good at 48Khz/16bit.
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#10 |
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Join Date: Jan 2007
Posts: 19,460
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Quote:
Yes, the digital audio format is normally given as a sample rate and digital word length. For example the red book CD standard is 44.1Khz sample rate and 16 bit word length.
There higher standards such as 96Khz sample rate and 24 bit word length, and even 192Khz / 24 bit. |
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#11 |
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Join Date: Apr 2009
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Unfortunately radio seems to play 2nd string in BBC's priorities- all their main TV channels have better audio quality- 256kbps compared to 192kbps for the main radio channels (most other than Radio 3 are worse on DAB). It's pretty telling that this is an audio quality the BBC only considers fit for BBC NEWS on sat...
![]() It seems to be going along with the general trend of 'dumbing down' the audio quality the majority of people are prepared to accept nowadays. |
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#12 |
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Yes, it's a shame, they have the bandwidth to deliver stunning sound quality broadcasts on satellite radio, but choose not to.
![]() It seems to be going along with the general trend of 'dumbing down' the audio quality the majority of people are prepared to accept nowadays. |
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#13 |
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I am not sure it is to do with 'dumbing down'- surely sound quality is equally if not more important on Radio than TV? The only conclusion is that they just don't consider Radio to be on an equal footing.
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(Generally that's the highest bitrate for the radio channels, some are much less, but most of the BBC channels are 192 kbps)

