Using a VU meter in combination with a spectrum analyzer can be a very effective way to analyze and adjust audio signals.
A VU meter measures the average level of an audio signal, and can be used to ensure that the audio is at the proper level and that it doesn't peak or fall below a certain threshold. This can help to prevent distortion and ensure that the audio is clear and of high quality.
A spectrum analyzer, on the other hand, visualizes the frequency content of an audio signal, allowing the user to see the distribution of different frequency components within a sound. It can be used to identify the different frequency ranges that make up a sound, such as bass, mids, and treble, and to determine the overall balance of these frequencies in a mix.
By using both a VU meter and a spectrum analyzer in combination, the user can get a more complete understanding of the audio signal. The VU meter can be used to ensure that the audio is at the proper level, while the spectrum analyzer can be used to identify any frequency imbalances that may need to be corrected. Together, they can help the user to achieve a more balanced and pleasing mix, and to identify and correct any issues with the audio signal.
In summary, using a VU meter and a spectrum analyzer in combination can be an effective way to analyze and adjust audio signals, by providing a comprehensive understanding of the audio level and the frequency content, allowing the user to achieve a more balanced and pleasing mix.