You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
17 lines
603 B
17 lines
603 B
// Digital Signal Processing
|
|
|
|
package dsp
|
|
|
|
// Mixes together two audio frames containing 160 samples. Uses saturation
|
|
// adding so you don't hear clipping if ppl talk loud. Uses 128-bit SIMD
|
|
// instructions so we can add eight numbers at the same time.
|
|
func L16MixSat160(dst, src *int16)
|
|
|
|
// Compresses a PCM audio sample into a G.711 μ-Law sample. The BSR instruction
|
|
// is what makes this code fast.
|
|
//
|
|
// TODO(jart): How do I make assembly use proper types?
|
|
func LinearToUlaw(linear int64) (ulaw int64)
|
|
|
|
// Turns a μ-Law byte back into an audio sample.
|
|
func UlawToLinear(ulaw int64) (linear int64)
|