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 Firebox Noise, Is there a cure? |
 Fri 24 Feb 2006, 15:46
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#1
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 Newbie Group: Members Posts: 11 Joined: 21-Dec 03 From: Niagara Falls - US Member No.: 31,571  |
i've got my FireBox up and running on my PowerBook G4 1.5GHz with the included Cubase LE. Plug and play, minimal setup. Almost all is good.
Only one thing now. There is an awful lot of hiss and coming through the headphones with direct monitoring and playback. i thought that digital recording is supposed to be clean, except for the clipping that can occur. Any thoughts or advice on how to minimize the hiss? Thanks -------------------- Chuck
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 Sat 25 Feb 2006, 00:14
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#2
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 Moderator In Chief (MIC)  Group: Editors Posts: 15,189 Joined: 23-Dec 01 From: Paris - FR Member No.: 2,758 |
Is the hiss in the headphones only or in the recorded files?
From the developer part of the install CD/DVD, install the CHUD tools, you'll have a processor prefpanel, there disable "nap" it may help. But it may not be sufficient. -------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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Sat 25 Feb 2006, 21:49
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#3
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Newbie Group: Members Posts: 11 Joined: 21-Dec 03 From: Niagara Falls - US Member No.: 31,571 |
The hiss is only in the phones...recording sounds clean.
I cannot locate a developer part of CHUD tools on my LE SD ... But monitoring through the phone io quite noisy.. -------------------- Chuck
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Sun 26 Feb 2006, 05:20
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#4
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Moderator In Chief (MIC) Group: Editors Posts: 15,189 Joined: 23-Dec 01 From: Paris - FR Member No.: 2,758 |
CHUD tools are part of the developer tools on the OS X install CD/DVD
 (sorry for the misunderstanding)Where are connected the headphones, directly on the powerbook? -------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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Mon 27 Feb 2006, 07:59
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#5
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Newbie Group: Members Posts: 11 Joined: 21-Dec 03 From: Niagara Falls - US Member No.: 31,571 |
Thanks..after unchecking the NAP in CHUD, the noise did reduce significantly, although there is still some hiss/noise when headphones are plugged into the FireBox, but at least it isn't unbearable.
-------------------- Chuck
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Tue 28 Feb 2006, 06:32
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#6
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Moderator In Chief (MIC) Group: Editors Posts: 15,189 Joined: 23-Dec 01 From: Paris - FR Member No.: 2,758 |
-------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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Tue 28 Feb 2006, 17:17
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#7
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Newbie Group: Members Posts: 8 Joined: 24-Oct 04 From: Portland - US Member No.: 53,826 |
what exactly is happening when you make the 'nap' change?
how else does it effect your system? just wondering |
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Tue 28 Feb 2006, 23:58
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#8
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Newbie Group: Members Posts: 11 Joined: 21-Dec 03 From: Niagara Falls - US Member No.: 31,571 |
QUOTE (mapmap @ Feb 28 2006, 11:17) what exactly is happening when you make the 'nap' change? how else does it effect your system? just wondering I couldn't tell you. Just that it reduced the headphone hiss. As far as i can tell, it did not affect anything else. -------------------- Chuck
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Wed 1 Mar 2006, 00:35
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#9
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Moderator In Chief (MIC) Group: Editors Posts: 15,189 Joined: 23-Dec 01 From: Paris - FR Member No.: 2,758 |
The "nap" is an energy saving feature embedded in the CPU, when not used, parts of the CPU are sent to sleep (hence nap) and so they use less power. Unfortunately, it's also a common hiss source.
-------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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Fri 3 Mar 2006, 15:47
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#10
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Newbie Group: Members Posts: 5 Joined: 26-Feb 06 From: Middleton - US Member No.: 77,413 |
S0, I bought a Firefox and had the whine issue. I returned it. Then I learned about the NAP issue. So I installed CHUD and went back and tried a new (different) Firebox. It worked perfectly... WITHOUT messing with NAP.
So, was it the Firebox I got the first time? The firewire cable? Or is it just chance? Frankly, I love my firebox now. But I can't tell you if the NAP thing is always the solution or if it is, indeed, the root of the problem. My new Firebox is quiet and sounds great with my G4 Powerbook (1.67 GHz). CP This post has been edited by ColdPack: Fri 3 Mar 2006, 15:47 |
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