Re: [MP3 ENCODER] Mp3 encoders quality tests

2000-05-09 Thread David Balazic
George wrote: What do You recommend to me? Use the in_mp3.dll of v2.22? What about doing a mp3 decoder quality test too ? :-) That in_mp3.dll is AFAIK fraunhofer based and fraunhofer is touted to be one of the best ( ?? ) Did you think about doing the decoding yourselves and distributing

Re: [MP3 ENCODER] Continuation of crippling wavs

2000-05-09 Thread Jaroslav Lukesh
| Odesílatel: Shawn Riley [EMAIL PROTECTED] | The album will be a mix of ballads rock songs. How do you guys suggest we do it? | | Note that we'd like there to have no percievable difference between the original effected sound in the studio. | I decided that the MP3 encoding should be bad for

Re: [MP3 ENCODER] GA/GP

2000-05-09 Thread Mark Stier
Hello, File size is easy enough to measure, but "sound quality" is not. It is purely subjective. VERY HARD to define on a computer. Are there any examples demonstrating (so I can _hear_ them) that a 'mathematical' comparison algo that tries to keep differences at a minimum doesn't work? I

Re: [MP3 ENCODER] default high pass filtering

2000-05-09 Thread Greg Maxwell
While I preety much agree with the rest of the post, I must comment on this one basis. On Tue, 9 May 2000, Gabriel Bouvigne wrote: [snip] why a 14Hz high pass filter and not a 20Hz one: because the lowest tone produced by a true musical instrument is 16Hz (it's from organ). [snip] And the

Re: [MP3 ENCODER] default high pass filtering

2000-05-09 Thread Segher Boessenkool
Hello I would vote for a default 14Hz high pass filter, removable with the -k option. Why an high pass filter: *theorical minimum audible freq for humans is 20Hz (also very discutable) *most soundcards are unable to reproduce less than 20Hz frequencies *most speakers are unable to

Re: [MP3 ENCODER] Mp3 encoders quality tests

2000-05-09 Thread George
Hi, David! What do You recommend to me? Use the in_mp3.dll of v2.22? What about doing a mp3 decoder quality test too ? :-) a Mp3 decoder quality? Maybe after the Mp3 Encoders quality tests... why not?:-) That in_mp3.dll is AFAIK fraunhofer based and fraunhofer is touted to be one of the

[MP3 ENCODER] free format bitstreams and iso documentation

2000-05-09 Thread Leonardo Stern
According to my ISO doc (section 2.4.2.3), for layer III, decoders are not required to support higher free format higher than 320kbps. So free format is not restricted to =320kbps. And decoders must support free format at least up to 320k. My ISO 13818-3 documentation : Section 2.4.2.3 "The