Re: Compact Flash audio player?
 

Ack. Brain fart.

OK, I meant 10mb/min.

Yes, I am an audio engineer. :-/

"Greg Allen" <gregorya@jps.net> wrote in message
news:c64a3c54.0407221118.206dc507@posting.google.c om...
> Matt;
>
> Actually, a 700 MB CD can hold only 80 minutes (give or take a couple
> minutes) of music in CD Audio format:
>
> http://www.pcguide.com/ref/cd/formatCDDA-c.html
>
> Your 1 MB /minute estimate is a good approximation for 128 kbit mp3
> format. Even though the sampling rate is high, I think the sample
> size is smaller, and the mp3 compression discards a lot of aural
> information.
>
> When you are ripping the songs, you can choose a higher sample rate to
> trade off size for higher quality. But with all the wind noise,
> clanking and rattling going on in my jeep, standard mp3 quality is
> fine to my tin ears.
>
> Even at CD Audio levels, I wouldn't mind terribly having to swap out a
> handfull of CF or SD cards on a trail. It would sure take up less
> space in my console.
>
> Did I mention how nice it would be to have music with no moving parts
> to get fouled up with dust?
>
> "Matt Macchiarolo" <matt@nospamplease.com> wrote in message
news:<f4-dndF7nLH7TGLdRVn-ow@comcast.com>...
> > A 256megabyte card, CD audio is approximately a little more than 1mb per
> > minute, so 3 1/2 is a conservative estimate. Mp3 would be much, much
more.
> > But I don't like the way Mp3's sound, but I guess in the Jeep it
wouldn't
> > matter, I just want to stop the skipping. The cards are relatively
expensive
> > ($75 for a 256) but they are reusable.
> >
> > > Are you sure you can three and half hours play time out of one
> > > card?
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Matt Macchiarolo wrote:
> > > >
> > > > Hi,
> > > >
> > > > Has anyone heard of a in-dash auto radio unit that can play digital
> > music
> > > > files from a Compact Flash card? My CD player in my Jeep is biting
the
> > dust,
> > > > it skips on the slighted bump in the road, and it's the
replacement...a
> > JVC
> > > > marine unit. I'm wondnering if there is such a beast that can play
right
> > off
> > > > of a CF card...no moving parts, no skipping.
> > > >
> > > > Just wondering, since I have a couple 256MB CF cards for my digital
> > camera,
> > > > one of those would hold about 3.5 hours of CD-spec digital music.
> > > >
> > > > Google came up short, though there's a lot of external MP3 players
that
> > use
> > > > CF cards...
> > > >
> > > > --
> > > > ---
> > > > Matt Macchiarolo
> > > > mlmacchiarolo at comcast dot net
> > > > AIM screen name RTI1182

Re: Compact Flash audio player?
 

Ack. Brain fart.

OK, I meant 10mb/min.

Yes, I am an audio engineer. :-/

"Greg Allen" <gregorya@jps.net> wrote in message
news:c64a3c54.0407221118.206dc507@posting.google.c om...
> Matt;
>
> Actually, a 700 MB CD can hold only 80 minutes (give or take a couple
> minutes) of music in CD Audio format:
>
> http://www.pcguide.com/ref/cd/formatCDDA-c.html
>
> Your 1 MB /minute estimate is a good approximation for 128 kbit mp3
> format. Even though the sampling rate is high, I think the sample
> size is smaller, and the mp3 compression discards a lot of aural
> information.
>
> When you are ripping the songs, you can choose a higher sample rate to
> trade off size for higher quality. But with all the wind noise,
> clanking and rattling going on in my jeep, standard mp3 quality is
> fine to my tin ears.
>
> Even at CD Audio levels, I wouldn't mind terribly having to swap out a
> handfull of CF or SD cards on a trail. It would sure take up less
> space in my console.
>
> Did I mention how nice it would be to have music with no moving parts
> to get fouled up with dust?
>
> "Matt Macchiarolo" <matt@nospamplease.com> wrote in message
news:<f4-dndF7nLH7TGLdRVn-ow@comcast.com>...
> > A 256megabyte card, CD audio is approximately a little more than 1mb per
> > minute, so 3 1/2 is a conservative estimate. Mp3 would be much, much
more.
> > But I don't like the way Mp3's sound, but I guess in the Jeep it
wouldn't
> > matter, I just want to stop the skipping. The cards are relatively
expensive
> > ($75 for a 256) but they are reusable.
> >
> > > Are you sure you can three and half hours play time out of one
> > > card?
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Matt Macchiarolo wrote:
> > > >
> > > > Hi,
> > > >
> > > > Has anyone heard of a in-dash auto radio unit that can play digital
> > music
> > > > files from a Compact Flash card? My CD player in my Jeep is biting
the
> > dust,
> > > > it skips on the slighted bump in the road, and it's the
replacement...a
> > JVC
> > > > marine unit. I'm wondnering if there is such a beast that can play
right
> > off
> > > > of a CF card...no moving parts, no skipping.
> > > >
> > > > Just wondering, since I have a couple 256MB CF cards for my digital
> > camera,
> > > > one of those would hold about 3.5 hours of CD-spec digital music.
> > > >
> > > > Google came up short, though there's a lot of external MP3 players
that
> > use
> > > > CF cards...
> > > >
> > > > --
> > > > ---
> > > > Matt Macchiarolo
> > > > mlmacchiarolo at comcast dot net
> > > > AIM screen name RTI1182

Re: Compact Flash audio player?
 

Ack. Brain fart.

OK, I meant 10mb/min.

Yes, I am an audio engineer. :-/

"Greg Allen" <gregorya@jps.net> wrote in message
news:c64a3c54.0407221118.206dc507@posting.google.c om...
> Matt;
>
> Actually, a 700 MB CD can hold only 80 minutes (give or take a couple
> minutes) of music in CD Audio format:
>
> http://www.pcguide.com/ref/cd/formatCDDA-c.html
>
> Your 1 MB /minute estimate is a good approximation for 128 kbit mp3
> format. Even though the sampling rate is high, I think the sample
> size is smaller, and the mp3 compression discards a lot of aural
> information.
>
> When you are ripping the songs, you can choose a higher sample rate to
> trade off size for higher quality. But with all the wind noise,
> clanking and rattling going on in my jeep, standard mp3 quality is
> fine to my tin ears.
>
> Even at CD Audio levels, I wouldn't mind terribly having to swap out a
> handfull of CF or SD cards on a trail. It would sure take up less
> space in my console.
>
> Did I mention how nice it would be to have music with no moving parts
> to get fouled up with dust?
>
> "Matt Macchiarolo" <matt@nospamplease.com> wrote in message
news:<f4-dndF7nLH7TGLdRVn-ow@comcast.com>...
> > A 256megabyte card, CD audio is approximately a little more than 1mb per
> > minute, so 3 1/2 is a conservative estimate. Mp3 would be much, much
more.
> > But I don't like the way Mp3's sound, but I guess in the Jeep it
wouldn't
> > matter, I just want to stop the skipping. The cards are relatively
expensive
> > ($75 for a 256) but they are reusable.
> >
> > > Are you sure you can three and half hours play time out of one
> > > card?
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Matt Macchiarolo wrote:
> > > >
> > > > Hi,
> > > >
> > > > Has anyone heard of a in-dash auto radio unit that can play digital
> > music
> > > > files from a Compact Flash card? My CD player in my Jeep is biting
the
> > dust,
> > > > it skips on the slighted bump in the road, and it's the
replacement...a
> > JVC
> > > > marine unit. I'm wondnering if there is such a beast that can play
right
> > off
> > > > of a CF card...no moving parts, no skipping.
> > > >
> > > > Just wondering, since I have a couple 256MB CF cards for my digital
> > camera,
> > > > one of those would hold about 3.5 hours of CD-spec digital music.
> > > >
> > > > Google came up short, though there's a lot of external MP3 players
that
> > use
> > > > CF cards...
> > > >
> > > > --
> > > > ---
> > > > Matt Macchiarolo
> > > > mlmacchiarolo at comcast dot net
> > > > AIM screen name RTI1182

Re: Compact Flash audio player?
 

See my last post.

"Bob" <magicclaw@mac.com> wrote in message
news:47b769ae.0407221236.5234617a@posting.google.c om...
> Your statement of how much space each minute of the different music
> formats (CD and MP3) uses was a little off...
>
> CD Audio is actually about TEN (10) MB per minute of music. Which is
> why a CDR can hold 74 minutes of music or 700 MB of data.
>
> MP3s, at 128kbps, take up 1 MB (960 KBytes to be exact) per minute. I
> don't think 128kbps sounds good enough, though, so I rip at no less
> than 192kbps (1.440 MB per minute). So, do a little math, and you find
> that one 256 MB CF card will hold:
>
> 256 MB / 0.960 MB = 266 Minutes, or 4.44 Hours. Not bad at all.
> 256 MB / 1.440 MB = 177 Minutes, or 2.96 Hours. Still not too shabby.
>
> So, the 256 MB CF card wouldn't be bad at all for you what you're
> wanting. I just thought I'd make sure everyone understood the correct
> sizes for these different mediums. Your mentioning CD audio is only 1
> MB/s when it's actually 10 (probably simply a typo on your part since
> your estimate of how much music playtime you would get out of the card
> was near to the mark) was what made prompted me to post. Just so no
> one else out there gets confused.
>
> /Bob
>
>
> "Matt Macchiarolo" <matt@nospamplease.com> wrote in message
news:<f4-dndF7nLH7TGLdRVn-ow@comcast.com>...
> > A 256megabyte card, CD audio is approximately a little more than 1mb per
> > minute, so 3 1/2 is a conservative estimate. Mp3 would be much, much
more.
> > But I don't like the way Mp3's sound, but I guess in the Jeep it
wouldn't
> > matter, I just want to stop the skipping. The cards are relatively
expensive
> > ($75 for a 256) but they are reusable.
> >
> > > Are you sure you can three and half hours play time out of one
> > > card?
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Matt Macchiarolo wrote:
> > > >
> > > > Hi,
> > > >
> > > > Has anyone heard of a in-dash auto radio unit that can play digital
> > music
> > > > files from a Compact Flash card? My CD player in my Jeep is biting
the
> > dust,
> > > > it skips on the slighted bump in the road, and it's the
replacement...a
> > JVC
> > > > marine unit. I'm wondnering if there is such a beast that can play
right
> > off
> > > > of a CF card...no moving parts, no skipping.
> > > >
> > > > Just wondering, since I have a couple 256MB CF cards for my digital
> > camera,
> > > > one of those would hold about 3.5 hours of CD-spec digital music.
> > > >
> > > > Google came up short, though there's a lot of external MP3 players
that
> > use
> > > > CF cards...
> > > >
> > > > --
> > > > ---
> > > > Matt Macchiarolo
> > > > mlmacchiarolo at comcast dot net
> > > > AIM screen name RTI1182

Re: Compact Flash audio player?
 

See my last post.

"Bob" <magicclaw@mac.com> wrote in message
news:47b769ae.0407221236.5234617a@posting.google.c om...
> Your statement of how much space each minute of the different music
> formats (CD and MP3) uses was a little off...
>
> CD Audio is actually about TEN (10) MB per minute of music. Which is
> why a CDR can hold 74 minutes of music or 700 MB of data.
>
> MP3s, at 128kbps, take up 1 MB (960 KBytes to be exact) per minute. I
> don't think 128kbps sounds good enough, though, so I rip at no less
> than 192kbps (1.440 MB per minute). So, do a little math, and you find
> that one 256 MB CF card will hold:
>
> 256 MB / 0.960 MB = 266 Minutes, or 4.44 Hours. Not bad at all.
> 256 MB / 1.440 MB = 177 Minutes, or 2.96 Hours. Still not too shabby.
>
> So, the 256 MB CF card wouldn't be bad at all for you what you're
> wanting. I just thought I'd make sure everyone understood the correct
> sizes for these different mediums. Your mentioning CD audio is only 1
> MB/s when it's actually 10 (probably simply a typo on your part since
> your estimate of how much music playtime you would get out of the card
> was near to the mark) was what made prompted me to post. Just so no
> one else out there gets confused.
>
> /Bob
>
>
> "Matt Macchiarolo" <matt@nospamplease.com> wrote in message
news:<f4-dndF7nLH7TGLdRVn-ow@comcast.com>...
> > A 256megabyte card, CD audio is approximately a little more than 1mb per
> > minute, so 3 1/2 is a conservative estimate. Mp3 would be much, much
more.
> > But I don't like the way Mp3's sound, but I guess in the Jeep it
wouldn't
> > matter, I just want to stop the skipping. The cards are relatively
expensive
> > ($75 for a 256) but they are reusable.
> >
> > > Are you sure you can three and half hours play time out of one
> > > card?
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Matt Macchiarolo wrote:
> > > >
> > > > Hi,
> > > >
> > > > Has anyone heard of a in-dash auto radio unit that can play digital
> > music
> > > > files from a Compact Flash card? My CD player in my Jeep is biting
the
> > dust,
> > > > it skips on the slighted bump in the road, and it's the
replacement...a
> > JVC
> > > > marine unit. I'm wondnering if there is such a beast that can play
right
> > off
> > > > of a CF card...no moving parts, no skipping.
> > > >
> > > > Just wondering, since I have a couple 256MB CF cards for my digital
> > camera,
> > > > one of those would hold about 3.5 hours of CD-spec digital music.
> > > >
> > > > Google came up short, though there's a lot of external MP3 players
that
> > use
> > > > CF cards...
> > > >
> > > > --
> > > > ---
> > > > Matt Macchiarolo
> > > > mlmacchiarolo at comcast dot net
> > > > AIM screen name RTI1182

Re: Compact Flash audio player?
 

See my last post.

"Bob" <magicclaw@mac.com> wrote in message
news:47b769ae.0407221236.5234617a@posting.google.c om...
> Your statement of how much space each minute of the different music
> formats (CD and MP3) uses was a little off...
>
> CD Audio is actually about TEN (10) MB per minute of music. Which is
> why a CDR can hold 74 minutes of music or 700 MB of data.
>
> MP3s, at 128kbps, take up 1 MB (960 KBytes to be exact) per minute. I
> don't think 128kbps sounds good enough, though, so I rip at no less
> than 192kbps (1.440 MB per minute). So, do a little math, and you find
> that one 256 MB CF card will hold:
>
> 256 MB / 0.960 MB = 266 Minutes, or 4.44 Hours. Not bad at all.
> 256 MB / 1.440 MB = 177 Minutes, or 2.96 Hours. Still not too shabby.
>
> So, the 256 MB CF card wouldn't be bad at all for you what you're
> wanting. I just thought I'd make sure everyone understood the correct
> sizes for these different mediums. Your mentioning CD audio is only 1
> MB/s when it's actually 10 (probably simply a typo on your part since
> your estimate of how much music playtime you would get out of the card
> was near to the mark) was what made prompted me to post. Just so no
> one else out there gets confused.
>
> /Bob
>
>
> "Matt Macchiarolo" <matt@nospamplease.com> wrote in message
news:<f4-dndF7nLH7TGLdRVn-ow@comcast.com>...
> > A 256megabyte card, CD audio is approximately a little more than 1mb per
> > minute, so 3 1/2 is a conservative estimate. Mp3 would be much, much
more.
> > But I don't like the way Mp3's sound, but I guess in the Jeep it
wouldn't
> > matter, I just want to stop the skipping. The cards are relatively
expensive
> > ($75 for a 256) but they are reusable.
> >
> > > Are you sure you can three and half hours play time out of one
> > > card?
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Matt Macchiarolo wrote:
> > > >
> > > > Hi,
> > > >
> > > > Has anyone heard of a in-dash auto radio unit that can play digital
> > music
> > > > files from a Compact Flash card? My CD player in my Jeep is biting
the
> > dust,
> > > > it skips on the slighted bump in the road, and it's the
replacement...a
> > JVC
> > > > marine unit. I'm wondnering if there is such a beast that can play
right
> > off
> > > > of a CF card...no moving parts, no skipping.
> > > >
> > > > Just wondering, since I have a couple 256MB CF cards for my digital
> > camera,
> > > > one of those would hold about 3.5 hours of CD-spec digital music.
> > > >
> > > > Google came up short, though there's a lot of external MP3 players
that
> > use
> > > > CF cards...
> > > >
> > > > --
> > > > ---
> > > > Matt Macchiarolo
> > > > mlmacchiarolo at comcast dot net
> > > > AIM screen name RTI1182

Re: Compact Flash audio player?
 

See my last post.

"Bob" <magicclaw@mac.com> wrote in message
news:47b769ae.0407221236.5234617a@posting.google.c om...
> Your statement of how much space each minute of the different music
> formats (CD and MP3) uses was a little off...
>
> CD Audio is actually about TEN (10) MB per minute of music. Which is
> why a CDR can hold 74 minutes of music or 700 MB of data.
>
> MP3s, at 128kbps, take up 1 MB (960 KBytes to be exact) per minute. I
> don't think 128kbps sounds good enough, though, so I rip at no less
> than 192kbps (1.440 MB per minute). So, do a little math, and you find
> that one 256 MB CF card will hold:
>
> 256 MB / 0.960 MB = 266 Minutes, or 4.44 Hours. Not bad at all.
> 256 MB / 1.440 MB = 177 Minutes, or 2.96 Hours. Still not too shabby.
>
> So, the 256 MB CF card wouldn't be bad at all for you what you're
> wanting. I just thought I'd make sure everyone understood the correct
> sizes for these different mediums. Your mentioning CD audio is only 1
> MB/s when it's actually 10 (probably simply a typo on your part since
> your estimate of how much music playtime you would get out of the card
> was near to the mark) was what made prompted me to post. Just so no
> one else out there gets confused.
>
> /Bob
>
>
> "Matt Macchiarolo" <matt@nospamplease.com> wrote in message
news:<f4-dndF7nLH7TGLdRVn-ow@comcast.com>...
> > A 256megabyte card, CD audio is approximately a little more than 1mb per
> > minute, so 3 1/2 is a conservative estimate. Mp3 would be much, much
more.
> > But I don't like the way Mp3's sound, but I guess in the Jeep it
wouldn't
> > matter, I just want to stop the skipping. The cards are relatively
expensive
> > ($75 for a 256) but they are reusable.
> >
> > > Are you sure you can three and half hours play time out of one
> > > card?
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Matt Macchiarolo wrote:
> > > >
> > > > Hi,
> > > >
> > > > Has anyone heard of a in-dash auto radio unit that can play digital
> > music
> > > > files from a Compact Flash card? My CD player in my Jeep is biting
the
> > dust,
> > > > it skips on the slighted bump in the road, and it's the
replacement...a
> > JVC
> > > > marine unit. I'm wondnering if there is such a beast that can play
right
> > off
> > > > of a CF card...no moving parts, no skipping.
> > > >
> > > > Just wondering, since I have a couple 256MB CF cards for my digital
> > camera,
> > > > one of those would hold about 3.5 hours of CD-spec digital music.
> > > >
> > > > Google came up short, though there's a lot of external MP3 players
that
> > use
> > > > CF cards...
> > > >
> > > > --
> > > > ---
> > > > Matt Macchiarolo
> > > > mlmacchiarolo at comcast dot net
> > > > AIM screen name RTI1182