Belajar Mixer Audio sesuai urutan📌Input, mixing dan output (PART 1)

Summary

This video provides a comprehensive guide to audio mixers, explaining their purpose and how they function in audio processing. It covers key stages including input, mixing, mastering, and output, detailing the roles of various components like mono and stereo channels, gain, volume controls, and EQ settings. The video also explores the difference between various outputs and the use of effects such as compressors and vocal effects. Aimed at beginners, it breaks down complex audio concepts to enhance understanding of mixing equipment, making it accessible for anyone interested in audio production.

Takeaways

• 😀 Audio mixers are devices used to mix and master audio signals, combining sounds from microphones, instruments, and MP3 files to enhance sound quality.
• 😀 The audio signal flow in a mixer consists of three main stages: Input, Mixing & Mastering, and Output.
• 😀 Input signals can be Mono or Stereo, with Mono using single connectors and Stereo using dual connectors (left and right).
• 😀 Different input sources include microphones (XLR, Mono), instruments (TS, Mono), and MP3 (Mono or Stereo).
• 😀 A microphone should be plugged into the XLR input because it uses a balanced connection, whereas instruments use an unbalanced TS input for higher signal levels.
• 😀 The mixing process involves adjusting gain, volume, tone (high, mid, low), and adding effects like vocal delay or reverb to create a polished sound.
• 😀 Gain is used to capture and widen the incoming audio signal, while volume controls the overall loudness of the channel.
• 😀 Tone controls (High, Mid, Low) adjust frequencies to shape the sound for different elements like vocals or bass.
• 😀 The final mixed and mastered audio is then outputted to different channels, including main output, control out, headphone output, and aux outputs.
• 😀 Aux outputs are used for monitoring raw, unprocessed sound, typically for instruments like guitars, without effects or equalization.
• 😀 The PFL (Pre-Fader Listen) function allows sound engineers to check individual channel sounds without sending them to the main output, useful for monitoring and adjustments.

Q & A

What is an audio mixer and what is its primary function?

An audio mixer is a device used for mixing and mastering audio signals. Its primary function is to combine multiple audio sources, such as microphones, instruments, and MP3s, and process them to enhance sound quality, ensuring the final output is clear and balanced.

Can you describe the three main stages of signal processing in an audio mixer?

The three main stages of signal processing in an audio mixer are: 1) Input, where audio signals are introduced into the mixer. 2) Mixing and Mastering, where the signals are combined, processed, and enhanced. 3) Output, where the final processed signal is sent out to speakers or amplifiers.

What is the difference between mono and stereo in terms of audio inputs and outputs?

Mono audio has a single input/output channel, typically using a single connector. In contrast, stereo uses two channels (left and right), which are typically represented by two separate connectors (L and R). Stereo allows for a more spatially dynamic sound experience.

Why should a microphone be plugged into an XLR port rather than a line input?

A microphone should be plugged into an XLR port because XLR connectors are balanced, providing a cleaner, more stable signal suitable for microphones. Line inputs, typically using TS connectors, are unbalanced and designed for instruments, which have higher signal levels and different frequency characteristics.

What are the different types of audio inputs commonly used in mixers?

The main types of audio inputs in mixers include: 1) Microphone inputs, typically using XLR connectors. 2) Instrument inputs (such as for guitars or drums), using line inputs with TS connectors. 3) MP3 or music inputs, which can be connected via stereo inputs, USB, or Bluetooth.

How does gain differ from volume on a mixer?

Gain controls the input level of an audio signal, adjusting how much of the signal is captured and expanded. Volume, on the other hand, controls the overall loudness of the processed signal. Proper adjustment of both is important to avoid distortion or noise.

What is the role of the tone controls (high, mid, low) on a mixer?

The tone controls on a mixer adjust the frequency balance of the audio signal: 'high' increases treble frequencies, 'mid' enhances the body or fullness of sound (especially in vocals), and 'low' boosts bass frequencies for added depth and warmth.

What is the difference between a compressor and a limiter in audio mixing?

A compressor reduces the dynamic range of an audio signal by lowering the volume of the loudest parts, ensuring consistent levels. A limiter performs a similar function but is more aggressive, preventing the audio from exceeding a certain volume threshold, effectively 'limiting' the signal.

Why might a mixer have multiple output options like 'main output', 'control out', and 'aux out'?

Mixers have multiple output options to serve different purposes: 1) 'Main output' is used for the primary sound system or audience speakers. 2) 'Control out' is used by sound engineers to monitor specific audio channels. 3) 'Aux out' is often used for monitoring raw sound signals without any added effects, typically for performers.

What is the purpose of the 'PFL' (Pre-Fader Listen) function on a mixer?

The 'PFL' function allows sound engineers to listen to a specific audio channel through the headphones or control output without it being heard through the main speakers. This helps them check individual channels, such as a microphone or instrument, without interfering with the main mix.