[sdiy] bitrate reduction

[John Loffink]

A quantizer can perform this function.  The design published in
Electronotes many years ago (EN#124) showed use of the quantizer as a
timbre modulator.

Your basic analog quantizer uses comparator stages to form an analog
successive approximation or flash type converter.  This works for
resolutions up to 4-7 bits.  This type of circuit requires no clock.

Bernie Hutchins still sells Electronotes:
http://electronotes.netfirms.com/ordform1.html 

John Loffink
jloffink at austin.rr.com 

-----Original Message-----
From: owner-synth-diy at dropmix.xs4all.nl
[mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of
adam at hoodmusic.net
Sent: Saturday, December 29, 2001 1:04 AM
To: synth-diy at dropmix.xs4all.nl
Subject: [sdiy] bitrate reduction

hi
   Is there any way to do bit reduction other then using a DAC and ADC,
like maybe something like the PAIA 4 bit digitizer with a clock, can
this
be done in anyway? mainly somehing useing opamps so i do not have to
order
parts for this.