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#1
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#2
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#3
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#4
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I didn't know there were any tape-based units still being made. I've been using
a PhoneMate for almost 20 years, and I like it fine. |
#5
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I didn't know there were any tape-based units still being made. I've been using
a PhoneMate for almost 20 years, and I like it fine. |
#6
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![]() OT answering machines again Group: rec.audio.pro Date: Mon, Jul 12, 2004, 5:27pm (EDT+4) From: =A0) Hi folks, I have to replace an answering machine. tHe all digital ones I hear seem to sound like utter garbage over the phone. How much "Hi-Fi" can you expect on a phone that has a frequency response of 300hz to 3.5khz? It's an answering machne, people accept the quality as long as it's intelligible. Eric |
#7
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![]() Eric Toline wrote: How much "Hi-Fi" can you expect on a phone that has a frequency response of 300hz to 3.5khz? It's an answering machne, people accept the quality as long as it's intelligible. The prolem with many "digital" machine (including mine) is that the greeting, and the incoming messages sound like Darth Vader's voice. "Luke, I am your father. Do we need milk?" This is compounded by the use of cell phones. Don |
#8
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Don Cooper wrote:
Eric Toline wrote: How much "Hi-Fi" can you expect on a phone that has a frequency response of 300hz to 3.5khz? It's an answering machne, people accept the quality as long as it's intelligible. The prolem with many "digital" machine (including mine) is that the greeting, and the incoming messages sound like Darth Vader's voice. "Luke, I am your father. Do we need milk?" This is compounded by the use of cell phones. I've heard a couple of cases where the digitized message contained a codec artifact that my cell phone codec could not deal with. The message played to that point, then was garbage from there on out. Locally, or from an analog land-line, there was no problem. Once you get compression down to 7200 Hz 2-bits adaptive-whatever-law, if the audio makes a change the math can't deal with, sync is lost forever. |
#9
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On Mon, 12 Jul 2004 13:07:13 -0700, so what wrote:
Don Cooper wrote: Eric Toline wrote: How much "Hi-Fi" can you expect on a phone that has a frequency response of 300hz to 3.5khz? It's an answering machne, people accept the quality as long as it's intelligible. The prolem with many "digital" machine (including mine) is that the greeting, and the incoming messages sound like Darth Vader's voice. "Luke, I am your father. Do we need milk?" This is compounded by the use of cell phones. I've heard a couple of cases where the digitized message contained a codec artifact that my cell phone codec could not deal with. The message played to that point, then was garbage from there on out. Locally, or from an analog land-line, there was no problem. Once you get compression down to 7200 Hz 2-bits adaptive-whatever-law, if the audio makes a change the math can't deal with, sync is lost forever. I think this utter crap goes under the fancy name of Linear Predictive Coding, which does SERIOUS compression of a phone audio signal. To call the sound robotic is an insult to talking robots worldwide. Whenever I hear it I start lusting for a +/-6dB 300-3.5k response analog line. If you want a standard Phillips cassette-based answering machine, you have to cruise the thrift stores and yard sales, or if your time is better invested elsewhere, hit ebay. Failing that, what's wrong with using an old PC for an answering machine? Other than it being a collection of largish devices (metal box, 13" monitor, and keyboard and mouse dangling someplace), the power supply fan making noise, and it taking maybe 50 to 100 watts (with monitor off) just waiting for a call, vs. 5 watts for a dead quiet answering machine. |
#10
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Ben Bradley wrote:
I think this utter crap goes under the fancy name of Linear Predictive Coding Which ecompasses RELP, CELP, VSELP and other variants. does SERIOUS compression of a phone audio signal. To call the sound robotic is an insult to talking robots worldwide. Whenever I hear it I start lusting for a +/-6dB 300-3.5k response analog line. Absolutely true for the 2.4 kbps Inmarsat stuff we were using around 1990. Pretty true for the vast majority of 10kbps stuff we've been living with over the past decade. Marginally true for the 12kbps stuff we've seen over the past 5 years or so. Not true at all for the newest high bandwidth stuff which will probably become the next generation's "toll quality" benchmark. |
#11
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Don Cooper wrote:
Eric Toline wrote: How much "Hi-Fi" can you expect on a phone that has a frequency response of 300hz to 3.5khz? It's an answering machne, people accept the quality as long as it's intelligible. The prolem with many "digital" machine (including mine) is that the greeting, and the incoming messages sound like Darth Vader's voice. "Luke, I am your father. Do we need milk?" This is compounded by the use of cell phones. I've heard a couple of cases where the digitized message contained a codec artifact that my cell phone codec could not deal with. The message played to that point, then was garbage from there on out. Locally, or from an analog land-line, there was no problem. Once you get compression down to 7200 Hz 2-bits adaptive-whatever-law, if the audio makes a change the math can't deal with, sync is lost forever. |
#12
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![]() Eric Toline wrote: How much "Hi-Fi" can you expect on a phone that has a frequency response of 300hz to 3.5khz? It's an answering machne, people accept the quality as long as it's intelligible. The prolem with many "digital" machine (including mine) is that the greeting, and the incoming messages sound like Darth Vader's voice. "Luke, I am your father. Do we need milk?" This is compounded by the use of cell phones. Don |
#13
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![]() OT answering machines again Group: rec.audio.pro Date: Mon, Jul 12, 2004, 5:27pm (EDT+4) From: =A0) Hi folks, I have to replace an answering machine. tHe all digital ones I hear seem to sound like utter garbage over the phone. How much "Hi-Fi" can you expect on a phone that has a frequency response of 300hz to 3.5khz? It's an answering machne, people accept the quality as long as it's intelligible. Eric |
#14
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![]() wrote in message . .. Hi folks, I have to replace an answering machine. tHe all digital ones I hear seem to sound like utter garbage over the phone. SUre wish they made the old type with the endless loop cassette and the regular cassette to store the incoming messages. NO folks, not going to put a windows PC and sound card on voicemail duty, looking for a stand alone box. WHo's having good luck with what out there for tape based units still on the market? REmote access would be a plus but not necessary. Audio quality does matter to this old grouch however. I went to a voice mail service through the phone company a couple years ago. Best $5/month I've ever spent. Once it's set up I don't have to fool with it & nobody gets a busy signal. It sounds like the phone sounds AFAIC. YMMV |
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