Squealing sound right balanced channel DJM-S7
Sorry, this is long. I'm sharing my incident report to get feedback from professionals. If you're an experienced sound technician, please share your thoughts. I think I'm not going to get paid for this event over this issue.
@Pioneer, if you can comment that would be great. I'd love to get your insight how I could determine what could cause this to occur from a connection to one Main XLR outputs on DJM-S7
BEGINNING OF REPORT
Date of Incident ___July 8, 2023___
Was anyone injured? __No_____
What was the incident?
There was a high-pitched squealing sound in the sound system during the DJ set.
Was the incident related to people, facility or equipment? Please list all of who or what were involved.
It was noise in sound system, so it was equipment related.
Sound Reinforcement Equipment:
What happened at the time of the incident? (Please provide as much detail and context as possible)
Was the issue resolved? __No. …Except when the Right Channel (stage-left loudspeakers) XLR cable was disconnected from the mixer (More on this later...)___
If ‘no’, could the issue have been resolved? How? (Be detailed)
Since the issue wasn’t further investigated by myself or the sound technical staff after the discovery that disconnecting one of the XLR’s on Main output of the mixer, I am unable to provide a definitive answer to this.
What steps were taken to resolve the issue?
When the noise was present (and I wasn’t tied up with something else), I attempted to troubleshoot the source of the sound, from my position at the DJ console.
Did anything happen prior to the incident that did or may have contributed to the incident? (At the event, or in your prior preparation. - Again, be detailed and include anything related in a minor or significant way)
There are 2 parts to this:
FIRST PART - The ‘POP!” in the sound system and burning electronics smell
NOTE: Everything above is only a possibility of a scenario that came to my mind as I’m filling this form. If I were to guess, I would say that the “POP’ and burning smell was on or next to the stage. But I doubt that a mixer channel blew up from whatever that was.
To add to that doubt: In pro-sound, when there is a catastrophic problem, it is almost always a cable.
What could have been done to prevent the incident, or to recover more quickly from the incident?
In terms of what could have prevented the noise in the sound system, this can’t be determined until/if the source of the issue is found.
However, if there was a soundcheck, the noise would very likely have been discovered during the soundcheck. Then, troubleshooting could have been completed in cooperation with the on-site sound support team. Pre-performance discovery that this issue was simply resolved by disconnecting the XLR cable connecting Main out R to Channel 7 of the snake, could have been easily solved by one of:
Do you have any other comments?
I do. In my opinion, and I think every sound tech I have ever worked with, sound-check at a live event should never be skipped. Any piece of equipment or change of connection should be tested before showtime unless not reasonably possible.
On this note. I felt warmly welcomed by the employers.(Caitlyn and Chad). I was also greeted politely by a helpful tech who connected my mixer to their sound system and handed me a mic.
Conversely, when I arrived to set up (I was assuming I needed to set up early for soundcheck) after placing my gear on stage, I was told ‘hey, we’re going to be doing sound check in a few minutes’.
I realized at that point that since I was going on first, and they were evidently referring to the other act, that this meant no soundcheck for me. This raised a red flag in my mind, as I feel it is prudent to always conduct a soundcheck before a production. Plus, it made me feel like I was in the way of the sound team and not welcome.
I did shrug it off in my mind and actually almost made a joke when I first spoke on the mic along the lines of ‘I’ll be playing some music for you before our headliner arrives, but DJ’s aren’t worthy of a soundcheck, so we’re going in cold!’. …I realized before I said it that it may have been taken in a hurtful way, so I didn’t say it. Probably the right choice, but would have been super ironic if I had! Lol
So, I had a mixed experience in that respect. However, feelings aside (this is a professional event, after all) I felt that proper etiquette in that situation was to go with the flow of the attending technical team. It is their equipment & project, and they should be left to operate under their protocols and process. So, I cooperated accordingly.
Later, once I had discovered the noise issue was resolved by disconnecting the XLR cable, I waved at the tech sitting in the FOH station. It seemed he saw me, but didn’t react. So I waived again and held up the cable, and pointed at it so he could see I need his help with something. He again watched me do that, then looked back down. I tried one more time with a big waive, and a bigger gesture pointing to the cable. He reacted by pulling down my audio and playing his background music, again with no further acknowledgement. Coupled with previous seemingly disinterest in supporting me with the noise issue while I was attempting to perform my job, was frustrating and again made me feel like I wasn’t worth their time. I coudn’t figure out if I had made them upset somehow, or if I was just overreacting. It was difficult to sort out in the moment. Thinking back, I’m still not sure. I met Jessie once before. He seemed like a really nice guy. My guess is there was just a misunderstanding. Like I do things one way, and others do things another way. Doesn’t make my way right and others wrong. And, as far as I know, the technical team has a good reputation. Anyway. I’m not generally a ‘concerned about my feelings’ kinda person. I just think that it’s just important to include this information for context for this report.
Please take note that I’m not reporting this to cast negative light on anyone. Admittedly, I am mentioning this in defence of my position in the situation..
I am happy to answer any questions around this report and the related incident with full transparency.
END OF REPORT
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