Interview with Deported Radio

Interview with Deported Radio

 

Tell us about Deported Radio in surround sound.
I have been, in fact, experimenting for several years with multi-channel sound and four-channel quadrophonic. Those experiments didn’t flourish because of the lack of a good method for broadcasting more than two channels of audio in a way that a significant number of our audience could listen to it. Some of the tests I conducted had impressive results, but the cost was quite high for broadcasting the sound online. The experience of surround sound in cinemas became my inspiration. I then started experimenting with DTS 5.1 surround sound. And finally late last year, I was able to broadcast online 7.1 channel surround music with a bitrate of 192 kpbs with a cost-effective quality. That is Deported Radio signal now.

What are some of the challenges that you face when delivering surround sound online?
Surround sound distribution is a complicated topic. The major challenge is to be able to produce a high quality signal in a cost-effective way. Radio is my passion and it has been a journey of learning and innovation. I haven’t finished this journey by any means and I continue adapting some ideas from the film and recording industries, plus plenty of homegrown innovation. I have developed reasonably cost-effective techniques that work for online radio.

Why surround sound?
Research on human perception tell us that hearing is very much a three dimensional experience and that this is especially true for the sound we detect from behind. This rearward hearing sensitivity was developed to help protect us from threats we couldn’t see (e.g. attacks from behind) and thus it is one area of the senses that surround sound can use to enhance the media experience by adding the sensation of two rear channels of the 6 channels required for surround sound. With these we can provide a better sense of space with background noise and reflections of the sound sources in front, coming from the rear, providing a sense of motion to either side or behind us.

What are you doing as a broadcaster to create surround sound content?
We have several tools to help but perhaps the most well know is the LFE channel creator (Low Frequency Effects). This is the 0.1 of 7.1. The idea is that the rumbles and bangs that make music so exciting can be created best by a loudspeaker specifically designed for this purpose. This is partly because the main components of these sounds are at low frequencies as well as great level (or loudness). In this case the low frequencies are typically below 100Hz where humans and at this frequency can’t work out which direction they come from… so, if done properly, you only need one speaker and this doesn’t damage the sound. It is this sort of effect that shakes your chest and perhaps the furniture.

What is in the pipeline?
My future plans involve moving to 9 channels of audio over internet infrastructures that had been built for stereo. I want to deliver surround sound packed in a way that even people with low speed internet in remote areas can enjoy the full wide 3D sound with 9 channels.

How do we listen better to Deported Radio’s surround sound?
You can listen better with a 7.1 surround or gaming headset. Second best is listening using your surround sound entertainment center at home. And finally in your car, connecting your smart phone via bluetooth to your car sound system.

Where do I need to go to listen to Deported Radio?
You can find our stream in several ways:

1. Using a desktop:
– Visit our website: deported.fm/live
– Visit our Facebook page: facebook.com/deported.fm and then select the LIVE tab

2. On a mobile device:
– Visit our website: deported.fm/live
– Visit our Facebook page: facebook.com/deported.fm and then tap on the use App button

And finally, I invite you to visit our website: deported.fm
We have several tools to help but perhaps the most well know is the LFE channel creator (Low Frequency Effects). This is the 0.1 of 7.1. The idea is that the rumbles and bangs that make music so exciting can be created best by a loudspeaker specifically designed for this purpose. This is partly because the main components of these sounds are at low frequencies as well as great level (or loudness). In this case the low frequencies are typically below 100Hz where humans and at this frequency can’t work out which direction they come from… so, if done properly, you only need one speaker and this doesn’t damage the sound. It is this sort of effect that shakes your chest and perhaps the furniture.

None found.

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