[audacity4blind] Re: Compressor

Normalize or Amplify to 0 dB before running the compressor, then try
these settings as a starting point:

Threshold: -24
Noise Floor: -40
Ratio: 8:1
Attack Time: 0.5
Decay Time: 1.0
Make up gain: enabled
Compress based on peaks: disabled


Steve



On 31 July 2012 04:39, Dang Manh Cuong <dangmanhcuong@xxxxxxxxx> wrote:
> OK. At this time I'd like to compress a narrator voice. In this file, some
> part lounder than other part.
> Thanks
>
> ----- Original Message -----
> From: Steve the Fiddle
> To: audacity4blind@xxxxxxxxxxxxx
> Sent: Tuesday, July 31, 2012 10:31 AM
> Subject: [audacity4blind] Re: Compressor
>
> It depends on the job. The Audacity compressor can produce a range of
> compression effects from a gentle "automatic gain adjustment" type
> effect, to quite heavy compression. What sort of material are you
> using it on and how do you want it to sound?
>
> Steve
>
> On 31 July 2012 04:22, Dang Manh Cuong <dangmanhcuong@xxxxxxxxx> wrote:
>> Thanks steve, but I'd like to ask about the recommend settings of the
>> compressor, the  plugin included in current audacity.
>>
>> ----- Original Message -----
>> From: Steve the Fiddle
>> To: audacity4blind@xxxxxxxxxxxxx
>> Sent: Tuesday, July 31, 2012 1:05 AM
>> Subject: [audacity4blind] Re: Compressor
>>
>> With Chris's Dynamic Compressor version 1.2.6 I'd suggest trying:
>>
>> For Classical music and similar, everything at the default values
>> except for "Compress Ratio" (the first control). Try setting Compress
>> Ratio to about 0.7
>>
>> For speech and other material, try setting Compress  Ratio at around
>> 0.8  and set ."Compression Hardness" (the second control) to 0.7.
>>
>> The first control (Ratio), sets how "strong" the effect is. At 0.5 it
>> is very mild and at 1.0 it is very strong. The "stronger" this setting
>> the more it will amplify the quiet bits. At a setting of 1 it will try
>> to make everything the same volume.
>>
>> The second control (hardness) sets how fast/aggressive the effect is.
>> At 0.5 it will adjust the volume slowly, taking several seconds to
>> raise the level of quiet parts. This will usually suit sounds that
>> vary in loudness quite slowly, such as much classical music. When set
>> to 0.7 or above, the effect will react much more quickly, but if it is
>> set too high you will notice a kind of "pumping" of background noise.
>>
>> There is also some information about usage above the controls. I think
>> that screen readers should be able to read this, but please let me
>> know if they don't. The text above the controls says:
>>
>> "Does dynamic (volume) compression with lookahead. Compress ratio' is
>> how much compression to apply. Raise when soft parts  are too soft,
>> and lower to keep some dynamic range. You can soften the  soft parts
>> instead of increasing them with values < 0, and invert  loudness with
>> values > 1 (lower max amp when you do). 'Hardness' is how agressively
>> to compress. Raise when parts are still  hard to hear (even with a
>> high compress ratio). Lower when the result  sounds distorted. Raise
>> 'floor' to make quiet parts stay quiet. Raise 'noise gate falloff' to
>> make quiet parts (beneath 'floor') disappear. Lower 'maximum
>> amplitude' if you experience clipping."
>>
>> Steve
>>
>>
>> On 30 July 2012 18:01, Dang Manh Cuong <dangmanhcuong@xxxxxxxxx> wrote:
>>> Hi Steve
>>> My version is 1.2.6
>>> I just folow a link from this group's member, download this plugins and
>>> listen the demo podcast. I don't know this is the latest or not.
>>> Cuong
>>>
>>> ----- Original Message -----
>>> From: Steve the Fiddle
>>> To: audacity4blind@xxxxxxxxxxxxx
>>> Sent: Monday, July 30, 2012 11:52 PM
>>> Subject: [audacity4blind] Re: Compressor
>>>
>>> Hi Dang,
>>>
>>> Which version of Chris's Dynamic Compressor are you using? The
>>> settings changed quite a bit in the last few versions,
>>>
>>> Steve
>>>
>>>
>>>
>>> On 30 July 2012 17:08, Dang Manh Cuong <dangmanhcuong@xxxxxxxxx> wrote:
>>>> Hi listers
>>>> I've tried the Chris's dynamic Compressor plugin, and I think it easier
>>>> to
>>>> the compressor, a plugin exists in current version of audacity. However,
>>>> I
>>>> still want to study using the compressor plugin. So I wonder if you
>>>> could
>>>> give me some recommend settings, such as Threshold, noise floor etc to
>>>> get
>>>> the best sound quality.
>>>> Thanks in advance.
>>>> ________________
>>>> Dang Manh Cuong
>>>> HCMC University of Pedagogy:
>>>> The Psychology and education
>>>> Mobile: +84 902-572-300
>>>> E-mail: dangmanhcuong@xxxxxxxxx
>>>> Yahoo! ID: manhcuong0312
>>>> Skype name: dangmanhcuong
>>>> facebook: http://facebook.com/dangmanhcuong
>>>> Blog: http://vi.netlog.com/Cuong_littlecat
>>>> Website: http://ngoisaodanduong.com
>>>> http://www.saomaicenter.org
>>>> Projec-Website: http://dangmanhcuong.googlecode.com
>>>
>>> The audacity4blind web site is at
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>>>
>>> ________________
>>> Dang Manh Cuong
>>> HCMC University of Pedagogy:
>>> The Psychology and education
>>> Mobile: +84 902-572-300
>>> E-mail: dangmanhcuong@xxxxxxxxx
>>> Yahoo! ID: manhcuong0312
>>> Skype name: dangmanhcuong
>>> facebook: http://facebook.com/dangmanhcuong
>>> Blog: http://vi.netlog.com/Cuong_littlecat
>>> Website: http://ngoisaodanduong.com
>>> http://www.saomaicenter.org
>>> Projec-Website: http://dangmanhcuong.googlecode.com
>>
>> The audacity4blind web site is at
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>> Subscribe and unsubscribe information, message archives,
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>> To unsubscribe from audacity4blind, send an email to
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>> with subject line
>> unsubscribe
>>
>> ________________
>> Dang Manh Cuong
>> HCMC University of Pedagogy:
>> The Psychology and education
>> Mobile: +84 902-572-300
>> E-mail: dangmanhcuong@xxxxxxxxx
>> Yahoo! ID: manhcuong0312
>> Skype name: dangmanhcuong
>> facebook: http://facebook.com/dangmanhcuong
>> Blog: http://vi.netlog.com/Cuong_littlecat
>> Website: http://ngoisaodanduong.com
>> http://www.saomaicenter.org
>> Projec-Website: http://dangmanhcuong.googlecode.com
>
> The audacity4blind web site is at
> http://www.freelists.org/webpage/audacity4blind
>
> Subscribe and unsubscribe information, message archives,
> Audacity keyboard commands, and more...
>
> To unsubscribe from audacity4blind, send an email to
> audacity4blind-request@xxxxxxxxxxxxx
> with subject line
> unsubscribe
>
> ________________
> Dang Manh Cuong
> HCMC University of Pedagogy:
> The Psychology and education
> Mobile: +84 902-572-300
> E-mail: dangmanhcuong@xxxxxxxxx
> Yahoo! ID: manhcuong0312
> Skype name: dangmanhcuong
> facebook: http://facebook.com/dangmanhcuong
> Blog: http://vi.netlog.com/Cuong_littlecat
> Website: http://ngoisaodanduong.com
> http://www.saomaicenter.org
> Projec-Website: http://dangmanhcuong.googlecode.com

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