I'd mentioned about the sounds of the Poké Ball in my first "gimme five" discussion this week that relates to Pokémon sounds and music, specifically a Pokémon soundboard. They're actually pretty iconic as far as Pokémon sounds go, with many fans (and some non-fans) being able to recognize them. Even given this fact, it seems that fans and others might consider only one of the sounds as having that iconic quality. That matter is to be discussed shortly along with a few other pertinent aspects regarding these sounds that still make them what they are.
So, for many, the iconic sound would be the ball release sound from the anime, which has the distinct pop and lasts several seconds. It was even used to introduce some Pokémon anime features in the past, which affirms its iconic status. The games do have a counterpart for this sound - or most likely it was the inspiration - but it's much briefer (just the pop) and perhaps not as iconic. Yet it's no doubt that the sound represents a starting point for quite a few dealings with Pokémon, so the sound's status is something to be considered for what it is.
On the other end, there is the ball capture sound, which may be considered less iconic but still somewhat distinct. The sound is mostly reflective of the (laser) light that is seen when the ball makes a capture of any kind, whether it's for a new Pokémon going into a ball or a captured one returning into its ball. Likewise, the games and the anime have their own takes on this sound, but the essence of the sound remains the same. Still, its context is limited in the above cases, so while the sound is rather unique and distinct, it may not exactly stick out in memory.
Then, the ball makes a few other sounds, two of them being the ball wiggle and capture success sounds. As predicted, even for these two sounds, the games and the anime portray them in different ways, specifically with regard to "continuity" for the ball wiggle sound and the audibility (in a way) for the capture success sound. These sounds may be considered the least iconic of all the Poké Ball sounds I addressed in this post, but they can also be said to be important signals for the anime viewer or the game player that a capture is about to happen.
Whether or not all the sounds above - or a certain one of them in particular - are truly "iconic" may be left up to the perceptions of certain fans or people, but they're as much a part of the mechanics and charm of the Poké Ball itself, which is already iconic as an object that is also rather symbolic of Pokémon. In that way, the sounds (or the particular sound) become an inseparable part of the representation of the object, and the fans and people will then surely recognize the object in all its different ways, including by its visuals and the sounds it makes.
One year ago: Am I Just a (Poké)Weeb?
Two years ago: Cosplay: Art and Culture Exhibition (ACE) 2023
Three years ago: Tournament: Raid Group Great League, No Restrictions
Four years ago: Casting Out Porygon
Five years ago: Let's Talk About Finding Our Way
Six years ago: A Day (or Year) with Pikachu
Seven years ago: To See and See Not
Eight years ago: A Pokémon Twist to My Phone