Oxford American English dictionary uses "y" symbol instead of "j" in their pronunciation guide. Most other dictionaries use j. So are there any differences between the 2 symbols or they are just the same? Why do they have to use y instead of j?
Cambridge dictionaries use j in yes pronunciation transcription: https://dictionary.cambridge.org/dictionary/essential-american-english/yes?q=Yes
Oxford American English dictionary uses y: https://www.oxfordlearnersdictionaries.com/definition/american_english/yes_1?q=Yes