Example.cs

// Called when a change in AkSoundEngine.GetCurrentLanguage() is detected
private void OnLanguageChange()
{
    const string bankName = "VO_SoundBank";
    if(_reloadBankRoutine == null)
    {
        _reloadBankRoutine = StartCoroutine(ReloadBank(bankName));
    {
}
private Coroutine _reloadBankRoutine;
private IEnumerator ReloadBank(string bankName)
{
    AkBankManager.UnloadBank(bankName);
    yield return null;    
    bool loadIsDone = false;
    AkBankManager.LoadBankAsync(bankName, (id, ptr, result, cookie) =>
    {
        loadIsDone = true;
    });
    while (!loadIsDone)
    {
        yield return null;
    }
    Debug.Log($"Bank {bankName} has been reloaded");
    _reloadBankRoutine = null;
}