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Noise prevention checkpoint during band recording (rehearsal)

Many people record rehearsal practice and live performances for playback. You don't have to worry about sound quality for your own checks.

However, if you are in a band on a regular basis, you will have more opportunities to hear the recorded performance. It is essential to show the demo sound source when performing at a live house. You may also want to ask a friend what kind of music you are playing.

There aren't many cases where a fledgling band suddenly multi-records, and sometimes you can record something that you can roughly listen to with a smartphone app or a CD-R installed in the studio. We will summarize checkpoints to reduce unnecessary noise even with such a sound source and record it with the best possible sound.

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Is the recording level over?

Modern recording equipment is based on digital recording, although there are resolution options. In digital recording, the data obtained by numerically converting the "sound" picked up from the microphone is recorded. There is no structural noise, except for troubles where the recording level exceeds the permissible amount. First of all, let's be careful about the recording level. There is little room for improvement in audio that has been distorted during digital recording .

Please note that some apps that are not specialized in music do not have a limiter (compressing loud sounds) for recording loud sounds.

(Countermeasure)

・ Set the maximum volume of the performance so that it does not exceed the maximum input level.

・ If the level cannot be set, cover the microphone with a cloth such as clothes to absorb sound.

・ Reduce the volume of the entire performance

Is there a problem with the instrument itself?

Guitars and basses have various noise factors

Electric instruments such as guitars and basses may make noise from the time of setting.

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・ Is there a problem inside the guitar or bass?
・ Are there any breaks in the shield or pain in the jack connection?
-When using distortion effects, do you also use a noise suppressor?
-Are you setting a computer that emits digital noise near the amplifier?
・ Is the vocal microphone damaged?
・ Are you keeping the unused chorus microphone alive?

There are many cases where the shields that wear out are the cause of noise. If you feel something is wrong, be the first to doubt it.

Is there something that resonates and emits sound?

Due to the high sound pressure of drums and bass, chords and lyrics cards output on copy paper may quiver and make noise. Live pianos are sometimes installed in rehearsal studios, and luggage placed on them can be a source of wasted sound. Paper bags placed near the drum will resonate blatantly.

Microphone setting that avoids air conditioners such as air conditioners

When recording with a linear PCM recorder with high microphone sensitivity, you may be picking up surprisingly detailed sounds. Depending on the setting position, you may pick up the air conditioner such as the air conditioner. The "wind" emitted outdoors is likely to cause noise.

Monitoring when the microphone can be set

The fixed microphone for recording installed on the ceiling of the rehearsal studio cannot be moved, but smartphones, camcorders, IC recorders, etc. also have a built-in microphone, and the setting position can be finely adjusted. Monitor the audio as you record. At this point, it is most important to know the cause of the sound you are interested in.

It doesn't matter because you can enjoy songs on your iPod on a daily basis. Monitor the performance you record with your earphones or headphones and explore the “points of good balance”. Even a slight difference may improve the situation. This habit is accumulated as a useful skill even when making a full-scale recording.

Summary

These are "air recording" of band performances. It's actually quite difficult to record beautifully. Video cameras often monitor the video on the LCD screen to see if they are in the picture, but in many cases this kind of recording neglects the audio monitor, "what kind of sound is being recorded?" ..

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