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so in TBR, it says
fL=(v/v-vs)fS
Equation (6.5) is telling us that the source of the sound moves towards you (i.e., vs > 0), then you hear a higher pitch (corresponding to a greater frequency). If the source of the sound moves away from you (i.e., vs < 0), then you hear a lower pitch (corresponding to a smaller frequency).
which makes sense to me because if vs gets bigger, then the denominator gets smaller which means fL will be bigger
but then on the next page it says
vs Speed of the source relative to still air
vs is negative (-), if the source is moving towards the listener.
vs is positive (+), if the source is moving away from the listener.
so is vs supposed to be + or - when the source is moving towards the listener? because if vs is - when the source is moving towards the listener, then won't the denominator get bigger, leading to a bigger fL?
fL=(v/v-vs)fS
Equation (6.5) is telling us that the source of the sound moves towards you (i.e., vs > 0), then you hear a higher pitch (corresponding to a greater frequency). If the source of the sound moves away from you (i.e., vs < 0), then you hear a lower pitch (corresponding to a smaller frequency).
which makes sense to me because if vs gets bigger, then the denominator gets smaller which means fL will be bigger
but then on the next page it says
vs Speed of the source relative to still air
vs is negative (-), if the source is moving towards the listener.
vs is positive (+), if the source is moving away from the listener.
so is vs supposed to be + or - when the source is moving towards the listener? because if vs is - when the source is moving towards the listener, then won't the denominator get bigger, leading to a bigger fL?