Re: SOUND function and Macs

[Ben Abbott]

On Jul 29, 2010, at 7:31 AM, volker böhm wrote:

> On 19.07.2010, at 00:23, Cary Martin wrote:
> 
>> Hello - I'm attempting to do some basic exploration of sound waveform
>> analysis and manipulation using Octave and the Audio package. I
>> apologize for such a newbie/ignorant question but if someone could
>> please provide some assistance in configuring Octave and whatever
>> external utilities are required to play sound files from Octave under
>> Mac OsX 10.6.4 I would be greatly appreciative. I'm somewhat well
>> versed in many of the basics of Octave but it is completely unclear to
>> me what a pipe is in this context and how I am to establish the links
>> to the external utilities (and to which ones). Anyway, when attempting
>> to output a waveform to the speakers using this command
>> 
>> octave-3.2.2:10> sound(x,fs)
>> 
>> This response is received:
>> 
>> ssh: connect to host machine-mac-mini.local port 22: Connection refused
>> warning: broken pipe -- some output may be lost
> 
> i had the same problem as you. as i'm still pretty new to octave myself, i 
> might miss the point here, but
> what seems to be going wrong (at least on my machine, which runs 10.6.4) is 
> that the check in sound.m, 
> if octave is run locally or not, fails.
> 
> if i run 
> display=getenv("DISPLAY")
> like in sound.m , i get
> display = /tmp/launch-eHpt80/org.x:0
> so, no hostname involved and the check fails.
> 

Please set DISPLAY correctly,

        setenv ("DISPLAY", ":0.0")

and then try sound.m again (I don' t use sound.m so, I don't know if this weil 
fix the problem).

Ben