Some radio stations still use these as part of their setup. Compact Disk (CD)ĬDs store audio recordings. Clean FeedĪlso known as a mix-minus, is an audio signal sent from your mixer that includes everything except designated inputs. CartĬarts or "tapes" were used to record jingles and ads. Headphones are commonly referred to in the radio industry as cans, just like the Beyerdynamic DT770 Pro headphones. The bus carries the line to the master audio channel to output to a destination. BusĪ bus is a single line in a mixing desk that can receive signals from a number of sources like a microphone and CD player. Usually, it's part of a jingle or segment between tracks to keep a flow. BedĪudio that is used to talk over by the DJ. For example, a male voice ranges from 85 to 180 Hz, whereas a female voice is from 165 to 255 Hz. Bassīass is the lower end of the music scale at around 60 to 250 Hz. Work out how much bandwidth you use on your radio station with the Internet Radio Bandwidth Calculator. In internet radio, bandwidth is the amount of data consumed by listeners. In terrestrial radio, bandwidth is the range of the broadcasting equipment. When combined with the non-inverted noise, the two noise signals cancel each other out. Any noise added by interference is also inverted. When the signal reaches the destination, the inverted duplicate is flipped and added to the original. One of the signal wires carries the audio signal, while the other carries an out-of-phase inverted duplicate. ![]() Balanced lines are less prone than unbalanced for interference. Reduce interference carrying a line by using a third conductor like a shield. ![]() For example, if a DJ's show is going to end, they work out the right length of a song to ensure they don't finish too early or overrun. Back Timeīack timing is the technique of working out how much time is left before an event. Back Announceīack announcing is when a presenter talks about a song that has just played. This is calculated by dividing the weekly hours by the total population for your audience. Total hours of listeners tuned into your station averaged across the total relevant population. Line level output from a sound desk which can be used for foldback or monitoring without cross over to the main output. The route back into a sound desk for a line-level signal sent to a piece of outboard equipment via an auxiliary send. Tags allow you to randomise playlists without manually selecting tracks. Often these sounds are controlled by a computer to ensure accurate and repeatable audio. Software or equipment like mixers and soundboards loaded with pre-set audio to automate shows. It helps reduce noise when a presenter gets too loud, for example, when they shout or go up close to the microphone. Automatic Gain Control (AGC)ĪGC adjusts the volume to compensate for the level. Audio Engineering Society / European Broadcast Union (AES/EBU)ĪES/EBU is a body of digital audio transfer standards, for example, they make sure microphone XLR connectors are 3 pins. Reduces the intensity of a sound signal, much like a volume control dial. It converts an electrical signal from the mi and back into the air movement at the speaker. Analogue SignalĪnalogue recording equipment records the exact waveform of the original sound. Smart devices, like the Amazon Echo, let broadcasters create an Alexa skill so listeners can tune in at home or work via voice command. ![]() Usually, when something goes wrong, like the show is disturbed or theirs a technical fault. Ad-LibĪd-lib or Ad-libbing is when a presenter improvises. These are commonly found in computer soundcard, minidisks, and CD recorders. It changes a constant electrical signal into a stream of binary numbers like 1' and 0's. ![]() A-D ConverterĪ-D converter is short for Analogue to Digital Converter. Usually, it's a recorded piece of audio to promote a business or event. AdĪd is an abbreviation for an advertisement. Part of a jingle that is made up of voices without any music.
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