From a quick look, there are a few coins that match your description and similar experiences.

Audioromantic and audiosexual (Tumblr link) for attraction based on the sound of someone's voice.

Auditory attraction (Tumblr link) for the attraction to noises someone makes, but not necessarily the voice.

Aural/vocal attraction (new.lgbtqia.wiki link) as a specific sensual attraction based on the attraction to voices.

Lyricen attraction (Tumblr link) for attraction based on/described by lyrics.

Musicaen attraction (Tumblr link) for attraction based on/described by music.

Sonuseyn suffix (Tumblr link) for what one's attraction sounds like.

Soundrum (Tumblr link) for the conceptum attraction to sound.

I notice some of these particularly don't fit your description, but I wanted to include them anyway for people who want or need them.

Auditory Attraction

Not weird at all! It sounds like you are talking about auditory attraction - which doesn’t even have to innately be sexually attractive, though it certainly can coincide with sexual attraction. But auditory attraction definitely plays a large role in some people’s perception of others, and that’s okay!

Nope. Arousal is a response to a stimulus - in this case, voices are the stimuli. That's not sexual attraction at all. Sexual attraction is a specific feeling of wanting sex with a specific person. So no, I wouldn't say this is sexual attraction at all - but it might be auditory attraction. That would be being drawn to certain voices. 

You have come to the right place! Auditory attraction is totally a thing as I have declared a few times - one day maybe it will catch on and it won't just be me talking about it!

I experience very little attraction outside of auditory attraction. I'll listen to the same songs over and over again for weeks just because I'm in love with the singer's voice. I like to just hear certain people talk. And the more I like a person's voice, the more I can appreciate them aesthetically- kind of a secondary aesthetic attraction. 

But yes. Totally a thing. 

Within the asexual community, we talk a lot about sexual attraction, romantic attraction, aesthetic attraction, and sensual attraction. It seems like those are kind of the "core four" attractions that most people feel. 

I don't. Obviously, I'm asexual. I'm demiromantic, so I do feel some romantic attraction, but I'm also romance repulsed so those feelings get kinda mixed up in my head. I don't feel sensual attraction. (I don't like physical contact much at all.) Unlike so many people, I do not experience aesthetic attraction on its own. 

What I do experience is auditory attraction - that is, I'm attracted to certain voices. Most of the voices I love so much are male voices, many of them have accents, but there isn't much of a pattern beyond that. Primarily, I like singers and actors. I really can't think of anyone I've met in real life where their voice has really done it for me. 

But I noticed an interesting trend.

The more I am attracted to someone's voice, the more I can appreciate them aesthetically. 

I have some understanding of what people generally like when it comes to aesthetic attraction - symmetry, bone structure, often gender-specific traits, muscle/lack thereof, hair color, eye color, height... the details vary from person to person. But I rarely look at someone and do more than say "Yup, sure, they're pretty, I suppose." But if I'm attracted to their voice...

An example. The first episode of Doctor Who I watched was "Blink," which does not prominently feature David Tennant. That was my first exposure to him, and my thoughts were along the lines of "Yeah, cool show, he's cool, but I don't get why everyone thinks he's so hot. He's kinda funny looking." I watched a lot more Doctor Who, and I was drawn to his voice. And the more I liked his voice (esp that lovely Scottish accent), the prettier he seemed. 

In fact, pictures of him go either way on the aesthetic appreciation front. If it's a still from the show and I can hear his voice in my head, then he's decently attractive. If it's a promo shot, probably not so much. But watching him act, I'm drawn first to his voice, then I can appreciate his appearance.

This really applies to everyone I'm auditorally (yup I just invented that word) attracted to: Aidan Turner, Christian Kane, Dan Smith, Stephen Christian, Tom Hiddleston, Amy Lee... just a short list off the top of my head.

But anyway. I wanted to write about this because I feel like, as a community, we definitely discuss aesthetic attraction on its own a lot, but we really don't discuss auditory attraction at all (at least, I've never read anything?), or the idea of attractions hinging on other attractions. So I guess I wanted to share my experience.