What is the best free radio automation software for PC?
Introduction to Radio Systems Because radio systems have fundamental characteristics that distinguish them from their wired equivalents, this chapter provides an introduction to the various radio technologies relevant to the IP design engineer. The concepts discussed provide a foundation for fur-ther comparisons of the competing mobile radio ...
How do I set up a dedicated radio station?
Topic: radar. This set of 10 lectures, about 11+ hours in duration, was excerpted from a three-day course developed at MIT Lincoln Laboratory to provide an understanding of radar systems concepts and technologies to military officers and DoD civilians involved in radar systems development, acquisition, and related fields. That three-day program ...
What equipment do I need to start a radio station?
Apr 13, 2022 · Our teaching and learning environments have changed quite rapidly this year! This page provides a (growing) list of free virtual labs and simulations. See the "Finding OER" tab for freely available textbooks and other course materials. If you find or create a resource to share, please email Emily Bongiovanni (emilybongiovanni@mines.edu) to have ...
What is the best radio broadcasting software for 2021?
Oct 04, 2018 · RadioDJ - One of the best free radio automation software (#1) PlayIt Live - Free PC radio automation software with paid plugins (#2) Mixxx - It's a free and open source radio automation/DJ program with an inbuilt encoder (#3) BUTT - One of the most popular free encoder for PC (#15) AltaCast - It's a free encoder but it's not regularly updated (#16)
What are the challenges of radio architecture?
One of the biggest challenges when designing a radio architecture is that of IF frequency placement. Compounding this problem is that drive amplifiers and ADCs tend to generate unwanted harmonics that show up in the digital spectrum of the data conversion, appearing as false signals. Whether the application is wideband or not, careful selection of sample rates and IF frequencies can place these spurs at locations that will render them harmless when used with a digital tuners/filters, like the AD6620, that can select the signal of interest and reject all others. All of this is good, because by carefully selecting input frequency range and sample rate, the drive amplifier and ADC harmonics can actually be placed out-of-band. Oversampling only simplifies matters by providing more spectrum for the harmonics to fall harmlessly within.
What is the box of a radio?
Traditionally, a radio has been considered to be the ‘box’ that connects to the antenna and everything behind that, however, many system designs are segmented into two separate subsystems. The radio and the digital processor.
What are the benefits of digital radio receivers?
These include Oversampling, Processing Gain, Undersampling, Frequency planning/Spur placement. Many of these provide technical advantages not otherwise achievable with a traditional radio receiver design.
What is a single carrier radio?
The single carrier receiver is a traditional radio receiver deriving selectivity in the analog filters of the IF stages. The multi-carrier receiver processes all signals within the band with a single rf/if analog strip and derives selectivity within the digital filters that follow the analog to digital converter. The benefit of such a receiver is that in applications with multiple receivers tuned to different frequencies within the same band can achieve smaller system designs and reduced cost due to eliminated redundant circuits. A typical application is a cellular/wireless local loop basestation. Another application might be surveillance receivers that typically use scanners to monitor multiple frequencies. This applications allows simultaneous monitoring of many frequencies without the need for sequential scanning.
What is a digital receiver?
Digital receivers can be used to receive any type of modulation including any analog or digital modulation standards. Furthermore, since the core of the digital processor is a digital signal processor (DSP), this allows many aspects of the entire radio receiver itself be controlled through software.
Is radio design an exhaustive exposition?
It is not by any means an exhaustive exposition, but is instead a primer on many of the techniques and calculations involved in such designs. Many advances in radio design and architecture are now allowing for rapid changes in the field of radio design.
Do you need head room for a single carrier radio?
In the case of a single carrier radio, no head room is required. Depending on the modulation scheme, a minimum C/N is required for adequate demodulation.
Overview
This course is presented by Robert M. O'Donnell, a former researcher at MIT Lincoln Laboratory, and is designed to instill a basic working knowledge of radar systems.
Description of Lectures
The set of 10 lectures starts with an introductory description of basic radar concepts and terms. The radar equation needed for the basic understanding of radar is then developed, along with several examples of its use in radar system design. Radar propagation issues such as attenuation, multipath effects, and ducting are described.
Simulations and Virtual Labs
Our teaching and learning environments have changed quite rapidly this year! This page provides a (growing) list of free virtual labs and simulations. See the "Finding OER" tab for freely available textbooks and other course materials.
Engineering
A simulation-based engineering tool for designing green buildings and power stations that harness renewable energy to achieve sustainable development.
Life Sciences
Allows students to design and perform experiments to test hypotheses about evolutionary mechanisms using evolving digital organisms.
Physical Sciences and Mathematics
Gives users the opportunity to play with physics. Use your own hands and simple drawing tools to design, construct and explore the world of physics.
Social and Behavioral Sciences
Simulation software that combines discrete event, system dynamics, and agent-based simulation methods so you can model any real-world system or process.
How many aux players does RadioDJ have?
By default, RadioDJ comes with three aux players. These are useful when you want to play audio items without adding them to your database. For instance…. When an artist sends you a track, you can directly add it to one of the auxiliary players from File Explorer.
What codecs can you stream in?
Straight out of the box, you might want to configure the stream server settings. You can stream in different codecs, including MP3, OGG, WMA & OPUS. For AAC, you must first install "Quick Time" on Windows.
How many instant players are there in Sound FX?
30 instant players for your sound FX. You get 30 slots to add your sound effects, and you can change the color of any instant player. When you trigger a sound effect, the music volume will fade, and you can play multiple effects at once. What's more, you can create and save multiple carts.
Who owns Simian audio?
Simian is a playout and automation software owned by a company called Broadcast Software International, based in Springfield, US. BSI also retails complete audio & broadcast workstations and accessories like audio cards.
Is RadioDJ free?
The intro: RadioDJ is one of the best free radio automation software with thousands of users. But there is a plan by Marius to introduce a paid version in 2018. To get started with RadioDJ quickly, you have to learn how to use it.
What is Radio.co?
Radio.co is an all-in-one platform for modern broadcasters. It provides everything you need in order to host and manage your radio station completely from the cloud. Say Hello to Your Station's New Home. Make broadcasting easy so you can focus on the important stuff.
How does audio travel from studio to listeners?
Audio travels from the studio to listeners by going through the microphone > mic processor > mixing desk > mix engine > computer > Radio.co. Alternative Audio Equipment. Being the proactive broadcaster you are, you may want to see what else the market can offer before you make a firm decision.
What is the best microphone for a studio?
The Neumann TLM 103 is one of the best and most well-rounded studio condenser microphones available, widely used by radio professionals like Howard Stern and many other stations across the globe. The TLM 103 features design elements that make it perfect for any professional studio.
What are the three levels of NFPA certification?
Badges are available in three levels—Bronze, Silver, and Gold —and can be added to your resume, email signature, and online profile, and shared across social media.
What is NFPA online training?
NFPA is your all-in-one source for continuing education units for renewing your residential electrical license. State-approved online training covers the latest in electrical and workplace safety tailored to your local requirements.
What Is The Radio?
Traditionally, a radio has been considered to be the ‘box’ that connects to the antenna and everything behind that, however, many system designs are segmented into two separate subsystems. The radio and the digital processor. With this segmentation, the purpose of the radio is to down convert and filter the desired si…
Single-Carrier vs. Multi-Carrier
- There are two basic types of radios under discussion. The first is called a single-carrier and the second a multi-carrier receiver Their name implies the obvious, however their function may not be fully clear. The single carrier receiver is a traditional radio receiver deriving selectivity in the analog filters of the IF stages. The multi-carrier receiver processes all signals within the band wi…
Benefits of Implementing A Digital Radio Receiver
- Before a detailed discussion of designing a digital radio receiver are discussed, some of the technical benefits need to be discussed. These include Oversampling, Processing Gain, Undersampling, Frequency planning/Spur placement. Many of these provide technical advantages not otherwise achievable with a traditional radio receiver design.
Over Sampling and Process Gain
- The Nyquist criterion compactly determines the sample rate required for any given signal. Many times, the Nyquist rate is quoted as the sample rate that is twice that of the highest frequency component. This implies that for an IF sampling application at 70 MHz, a sample rate of 140 MSPS would be required. If our signal only occupies 5 MHz around 70 MHz, then sampling at 14…
Undersampling and Frequency Translation
- As stated earlier, under sampling is the act of sampling at a frequency much less than the half of the actual signal frequency. For example, a 70 MHz signal sampled at 13 MSPS is an example of undersampling. Under sampling is important because it can serve a function very similar to mixing. When a signal is under sampled, the frequencies are aliased into baseband or the first N…
Receiver Performance Expectations
- With these thoughts in mind, how can the performance of a radio be determined and what tradeoffs can be made. Many of the techniques from traditional radio design can be used as seen below. Throughout the discussion below, there are some difference between a multi-channel and single-channel radio. These will be pointed out. Keep in mind that this discussion is not complet…
Available Noise Power
- To start the analysis, the noise at the antenna port must be considered. Since a properly matched antenna is apparently resistive, the following equation can be used to determine the noise voltage across the matched input terminals. Available power from the source, in this case, the antenna is thus: Which simplifies when the previous equation is substituted in to: Thus in reality, the availab…
Cascaded Noise Figure
- Noise figure is a figure of merit used to describe how much noise is added to a signal in the receive chain of a radio. Usually, it is specified in dB although in the computation of noise figure, the numerical ratio (non-log) is used. The nonlog is called Noise factor and is usually denoted as F, where it is defined as shown below. Once a noise figure is assigned to each of the stages in a …
Noise Figures and Adcs
- Although a noise figure could be assigned to the ADC, it is often easier to work the ADC in a different manner. ADC’s are voltage devices, whereas noise figure is really a noise power issue. Therefore, it is often easier to work the analog sections to the ADC in terms of noise figure and then convert to voltage at the ADC. Then work the ADC’s noise into an input referenced voltage. …
Conversion Gain and Sensitivity
- How does this noise voltage contribute to the overall performance of the ADC? Assume that only one RF signal is present in the receiver bandwidth. The signal to noise ratio would then be: Since this is an oversampling application and the actual signal bandwidth is much less than the sample rate, noise will be greatly reduced once digitally filtered. Since the front end bandwidth is the sa…
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