Podcast - A show that you download from the internet and listen to whenever you want. It’s like getting a snippet of a radio broadcast on a particular subject matter. You can subscribe to a podcast, download it, and play it on a digital device, like a smartphone or a computer.
Multi-media files - A file that is capable of holding a combination of software elements (text, images, audio, video and animations).
Audio files - A computer file that contains digitized audio either in the Compact Disc (CDDA) format or in an MP3, AAC or other compressed format.
Audio - Anything related to ‘sound’ in terms of receiving, transmitting or reproducing or its specific frequency.
Bit Depth (Colour Depth) – is either the number of bits used to indicate the colour of a single pixel, in a bitmapped image or video frame buffer, or the number of bits used for each colour component of a single pixel.
Each audio sample has a ‘bit depth’ which determines the quality of the sound. The most common bit depths are 16, 24 and 32. For spoken word content, recording at 16 bit is absolutely fine.
Bit Rates - Kbps (kilobits per second) is your file’s bitrate. This tells you (and let’s you determine) how many kilobits of data are stored in each second of an audio file. A ‘bit’ is a measurement of data on a computer, and 1000 bits make up a single kilobit.
Broadcasting – The term used when audio or video content is distributed to a large audience via an electronic device, but typically one using radio waves.
Compression - Applying ‘compression’ to an audio file means that you can bring the loudest parts and the quietest parts of your audio closer together. This can help you to achieve a much more consistent volume level throughout your episode.
Digital recording – A method of recording sound in which an audio wave is sampled at regular intervals, usually between 40,000 and 50,000 times per second, and each sample is assigned a numerical value, usually expressed in binary notation.
Editing - The process of reviewing and adjustments an almost completed piece of data you have constructed.
Episode / instalment - one of the single parts into which a story is divided. These are then broadcast as an episode or instalment on the television or radio as part of a complete series over a period of time.
Exporting – Is a command usually found within a program's File menu (File → Export...). It is similar to the File → Save As... command, but is typically used for more specific purposes. For example, instead of simply saving a file with a different name or different format, "Export" might be used to save parts of a file, create a backup copy of a file, or save a file with customized settings.
Equaliser and Equalisation (EQ) - This is a process that lets you decrease or increase specific frequencies within your audio. For example, if you record an interview outside and it’s windy, that will be picked up in the recording as a very low, rumbling sound. The distortion here is all low frequency, and you can use EQ to minimise its effect.
Frequency - The number of vibrations per second of a musical pitch, usually measured in Hertz (Hz) or the number of wave crests per second. The number of oscillations or cycles per unit of time.
Loops – A section of a piece of music cut in such a way that it can be seamlessly repeated indefinitely by technical means. Loops can range from a few seconds to many minutes in length.
Media Hosting (podcast distribution) - A media host is a website/service you’ll sign up and create an account with when you launch your show. Your media host is basically where your podcast episodes live. (Once you create an account and fill out your show details (title, description etc) your media host will give you an RSS feed. You can then submit this RSS feed to various podcast directories like iTunes, so that your show can be listed there.)
Metadata (audio files) - This is the information embedded into your MP3 which helps organise files on your computer or device.
This includes things like podcast name, episode title, the podcaster’s name or business, episode number, and cover art. Your Digital Audio Workstation (DAW) will give you an option to add this information once you’ve completed recording your episode.
Mixing - A common term for putting your podcast together. This process is also referred to as production, post-production, or just plain old editing.
Mono Audio - A mono track appears as one single waveform in your DAW, whilst a stereo track appears as two – one above the other, the top one being the left side, and the bottom one being the right side). A mono track will play exactly the same audio on either side.
MP3 - Stands for "MPEG Audio Layer-3" and is a compressed audio file format developed by the Moving Picture Experts Group (MPEG). Sounding similar to the original recording, but because the file is compressed it requires significantly less disk space. MP3 files are often about one tenth the size of an uncompressed WAVE or AIFF file, which have the same audio quality as a CD.
Personal audio player – a portable electronic devise capable of storing and playing digital media such as audio, images, and video files. The data is typically stored on a CD, DVD, flash memory, microdrive, or hard drive.
Stereo Audio - Stereo tracks can offer different sounds from the right to the left hand side of your headphones or speakers, which gives the ‘stereo’ effect when listening through headphones or speakers.
Track Header – Displays the track name and icon and features a number of track controls. By default, these include; Record Enable, Mute, and Solo buttons on all tracks and an Input Monitoring button for audio tracks.
Thanks [name] from [whichclass][location], Mr McG will get your message…"
[message]"…and will get back to you ASAP via [email]. Catch you soon.
Have a great day!!
K McGuinness - 2018
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