TristanShepherd

line, when used to control the playback of soundfiles {splay, play, goove, etc}

is not really suitable as smoothing algorithm --- does anyone ideas for creating a c external that operates on a live number input and operates on acceleration instead of speed to produce smoother speed changing? the curve~ object is a model for this, but the derivative of the input changes w/ user input - a new curve with a new slope is started each time a message is sent to the object ---- what kind of algorithm would create a moving number with keeps track of it's current acceleration and moves towards an input number more in the way a reel to reel tape motor would work?

have tried nested loops that accelerate speed towards an input speed {with the acceleration constrained in a range} but you end up overshooting the input speed and oscillating around it!

is not really suitable as smoothing algorithm --- does anyone ideas for creating a c external that operates on a live number input and operates on acceleration instead of speed to produce smoother speed changing?  the curve~ object is a model for this, but the derivative of the input changes w/ user input - a new curve with a new slope is started each time a message is sent to the object ---- what kind of algorithm would create a moving number with keeps track of it's current acceleration and moves towards an input number more in the way a reel to reel tape motor would work?

alternative-to-line

ah - for further clarification - if one were to scrub a file with line~ and play~, as moving a free tapehead over tape, the line~ algorithm reaches the end of the scrub with a maximum velocity, rather that slowing down as a body w/ inertia would!

A combination of line~ and slide~ does that, or as an alternative, rampsmooth~ in combination with slide~. The mstosamps~ object allows for setting the interpolation time in terms of ms, making it a bit more intuitive.

sounds very nice - can't believe i didn't think of this - simple and nice!

Thanks jvkr!
sounds very nice - can't believe i didn't think of this - simple and nice!
xtra work avoided!

alternative to line~?