object PlayBuf extends ProductReader[PlayBuf] with Serializable
A UGen to play back samples from a buffer in memory.
PlayBuf provides a kind of high-level interface to sample-playback, whereas
BufRd represents a kind of lower-level access. While BufRd has a
random-access-pointer in the form of a phase input, PlayBuf advances the phase
automatically based on a given playback speed. PlayBuf uses cubic
interpolation.
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- def ar(numChannels: Int, buf: GE, speed: GE = 1.0f, trig: GE = 1, offset: GE = 0.0f, loop: GE = 1, doneAction: GE = doNothing): PlayBuf
- numChannels
the number of channels that the buffer will be. Since this is a constant, a change in number of channels of the underlying bus must be reflected by creating different SynthDefs. If a buffer identifier is used of a buffer that has a different numChannels then specified in the PlayBuf, it will fail silently.
- buf
the identifier of the buffer to use
- speed
1 advances the play head by the server's sample rate each second. So 2 means doubling speed (and pitch), and 0.5 means half speed (and half pitch). Negative numbers can be used for backwards playback. If the underlying buffer represents a sound at a different sample rate, the rate should be multiplied by
BufRateScale.kr(buf)to obtain the correct speed.- trig
a trigger which causes a jump to the given
offset. A trigger occurs when a signal changes from non-positive to positive (e.g. <= 0 to > 0).- offset
sample frame to start playback. This is read when a trigger occurs. It may be fractional.
- loop
1 to loop after the play head reaches the buffer end, 0 to not loop. This can be modulated.
- doneAction
what to do when the play head reaches the buffer end. This is only effective when
loopis zero.
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- def kr(numChannels: Int, buf: GE, speed: GE = 1.0f, trig: GE = 1, offset: GE = 0.0f, loop: GE = 1, doneAction: GE = doNothing): PlayBuf
- numChannels
the number of channels that the buffer will be. Since this is a constant, a change in number of channels of the underlying bus must be reflected by creating different SynthDefs. If a buffer identifier is used of a buffer that has a different numChannels then specified in the PlayBuf, it will fail silently.
- buf
the identifier of the buffer to use
- speed
1 advances the play head by the server's sample rate each second. So 2 means doubling speed (and pitch), and 0.5 means half speed (and half pitch). Negative numbers can be used for backwards playback. If the underlying buffer represents a sound at a different sample rate, the rate should be multiplied by
BufRateScale.kr(buf)to obtain the correct speed.- trig
a trigger which causes a jump to the given
offset. A trigger occurs when a signal changes from non-positive to positive (e.g. <= 0 to > 0).- offset
sample frame to start playback. This is read when a trigger occurs. It may be fractional.
- loop
1 to loop after the play head reaches the buffer end, 0 to not loop. This can be modulated.
- doneAction
what to do when the play head reaches the buffer end. This is only effective when
loopis zero.
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- def read(in: RefMapIn, key: String, arity: Int): PlayBuf
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- PlayBuf → ProductReader
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