The Sound Of Dial-up Internet Download [Extra Quality]

I know that the signal was just tone pulses but why was it when (back in the 90s) when you first connected to the internet you heard a bunch of funny noises. After that if you were to use the internet, it still was using the telephone line, why no funny noises then?

The sounds were there all the time, you just needed to pick up the phone to hear it. The reason they played it over a loudspeaker to start with is so you could hear if somthing went wrong with the connection (busy signal, wrong number, a person picked up instead of a modem on the other end, etc).

The Sound Of Dial-up Internet Download

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The whistles and chirps and buzzes that you hear when a modem is going through its initial handshake process is a test of the telephone line quality. A modem send precisely specified sounds and the other listens see what it actually hears on the other end. This way the modems know how clear the line is between them and what sort of frequencies they can use to communicate with each other. The more frequencies they can use and the lower the noise, the higher the speed they'll be able to communicate at.

The name MODEM is a contraction of MOdulator-DEModulator. Modems transmit data by Modulating a signal (tone), and receive data by Demodulating the signal (tone). The sound they generate is the modulated signal. By using a tone, they can transmit a digital signal over an acoustic (sound) channel. The original modems with the cups for the headset were also known as acoustic couplers.

Modern digital phone systems carry sound using a digital signal. In North America, the signal is at 56 kbit/s. This is the upper limit on modem signals traversing a digital switch in North America. Last I knew, European used a 64 kbit/s channel. I don't know if Modems in Europe are/were capable of carrying a 64 kbit/s modem signal.

We've all heard the classic dial-up screeching sound, but what does it sound like for Cable/DSL/or fiber to be making a connection? I know old modems used to covert digital data to analogue before sending it over the phone line, and today DSL uses a complete other frequency thanks to micro-filters. I thought maybe it would just be silence since the human ear cannot hear above 20k herts?

It is my conclusion that just as we can visualize X-rays and other non-visible light spectrum, or topographically map earthquake vibrations, that we can also convert internet data transmissions to sound.

It dosen't sound like anything. The oldschool modems were a workaround - In the US and some other countries, they used acoustic couplers which were restricted to 1200bps and were literally a device that fitted over your phone. Most proper standalone modems did not work that way. I'm assuming we're talking proper modems when talking about dialup. I for one have never seen an acoustic coupler, though we had a nice solid 1200bps modem with our XT which never saw the internet.

For that matter, most of the dialup sound we've heard are the dialup 'handshake, as opposed to the actual data transmission'. Its meant to be heard. There's actually no useful information in it - its basically the two modems going 'can you hear me?', then adjusting for echos so you don't respond to your own hello, negotiating speeds then switching over to the actual data. Its specifically designed so if you got a call, and picked up a phone, you'd know you got a data transmission and would put it down. This is a pretty awesome writeup of the whole handshake process.

In short, you cannot hear the internet. Ever. What you can hear is two modems having a quick chat in a way engineers designed for you to be able to hear (and back in the day, a proper geek knew what his modem sounded like when things went well) . These sounds were intentionally meant to be human audible, and I suppose reassuring. I doubt actual data was ever human audible.

In 1979, Tom Truscott and Jim Ellis, graduates of Duke University, created an early predecessor to dial-up Internet access called the Usenet. The Usenet was a UNIX based system that used a dial-up connection to transfer data through telephone modems.[1] Dial-up Internet has been around since the 1980s via public providers such as NSFNET-linked universities. The BBC established Internet access via Brunel University in the United Kingdom in 1989.[2] Dial-up was first offered commercially in 1992 by Pipex in the United Kingdom and Sprint in the United States.[3][4] After the introduction of commercial broadband in the late 1990s,[5] dial-up Internet access became less popular by the mid-2000s. It is still used where other forms are not available or where the cost is too high, as in some rural or remote areas.[6][7]

Because there was no technology to allow different carrier signals on a telephone line at the time, dial-up internet access relied on using audio communication. A modem would take the digital data from a computer, modulate it into an audio signal and send it to a receiving modem. This receiving modem would demodulate the signal from analogue noise, back into digital data for the computer to process.[8]

The Internet speed using this technology can drop to 21.6 kbit/s or less. Poor condition of the telephone line, high noise level and other factors all affect dial-up speed. For this reason, it is popularly called the 21600 Syndrome.[9][10]

Dial-up connections to the Internet require no additional infrastructure other than the telephone network and the modems and servers needed to make and answer the calls. Because telephone access is widely available, dial-up is often the only choice available for rural or remote areas, where broadband installations are not prevalent due to low population density and high infrastructure cost.[7]

A 2008 Pew Research Center study stated that only 10% of US adults still used dial-up Internet access. The study found that the most common reason for retaining dial-up access was high broadband prices. Users cited lack of infrastructure as a reason less often than stating that they would never upgrade to broadband.[11] That number had fallen to 6% by 2010,[12] and to 3% by 2013.[13]

Broadband Internet access via cable, digital subscriber line, wireless broadband, mobile broadband, satellite and FTTx has replaced dial-up access in many parts of the world. Broadband connections typically offer speeds of 700 kbit/s or higher for two-thirds more than the price of dial-up on average.[12] In addition, broadband connections are always on, thus avoiding the need to connect and disconnect at the start and end of each session. Broadband does not require the exclusive use of a phone line, and thus one can access the Internet and at the same time make and receive voice phone calls without having a second phone line.

However, many rural areas remain without high-speed Internet, despite the eagerness of potential customers. This can be attributed to population, location, or sometimes ISPs' lack of interest due to little chance of profitability and high costs to build the required infrastructure. Some dial-up ISPs have responded to the increased competition by lowering their rates and making dial-up an attractive option for those who merely want email access or basic Web browsing.[16][17]

Dial-up has seen a significant fall in usage, with the potential to cease to exist in future as more users switch to broadband.[citation needed] In 2013, only about 3% of the U.S population used dial-up, compared to 30% in 2000.[18] One contributing factor is the bandwidth requirements of newer computer programs, like operating systems and antivirus software, which automatically download sizeable updates in the background when a connection to the Internet is first made. These background downloads can take several minutes or longer and, until all updates are completed, they can severely impact the amount of bandwidth available to other applications like Web browsers.

Since an "always on" broadband is the norm expected by most newer applications being developed,[citation needed] this automatic background downloading trend is expected to continue to eat away at dial-up's available bandwidth to the detriment of dial-up users' applications.[19] Many newer websites also now assume broadband speeds as the norm, and when connected to with slower dial-up speeds may drop (timeout) these slower connections to free up communication resources. On websites that are designed to be more dial-up friendly, use of a reverse proxy prevents dial-ups from being dropped as often but can introduce long wait periods for dial-up users caused by the buffering used by a reverse proxy to bridge the different data rates.

Despite the rapid decline, dial-up Internet still exists in some rural areas, and many areas of developing and underdeveloped nations, although wireless and satellite broadband are providing faster connections in many rural areas where fibre or copper may be uneconomical.[citation needed]

[The dial-up sounds are] a choreographed sequence that allowed these digital devices to piggyback on an analog telephone network. A phone line carries only the small range of frequencies in which most human conversation takes place: about three hundred to three thousand hertz. The modem works within these [telephone network] limits in creating sound waves to carry data across phone lines. What you're hearing is the way 20th century technology tunneled through a 19th century network; what you're hearing is how a network designed to send the noises made by your muscles as they pushed around air came to transmit anything [that can be] coded in zeroes and ones.

Dial-up connections usually have latency as high as 150 ms or even more, higher than many forms of broadband, such as cable or DSL, but typically less than satellite connections. Longer latency can make video conferencing and online gaming difficult, if not impossible. An increasing amount of Internet content such as streaming media will not work at dial-up speeds.

Video games released from the mid-1990s to the mid-2000s that utilized Internet access such as EverQuest, Red Faction, Warcraft 3, Final Fantasy XI, Phantasy Star Online, Guild Wars, Unreal Tournament, Halo: Combat Evolved, Audition, Quake 3: Arena, Starsiege: Tribes and Ragnarok Online, etc., accommodated for 56k dial-up with limited data transfer between the game servers and user's personal computer. The first consoles to provide Internet connectivity, the Dreamcast and PlayStation 2, supported dial-up as well as broadband. The GameCube could use dial-up and broadband connections, but this was used in very few games and required a separate adapter. The original Xbox exclusively required a broadband connection. Many computer and video games released since 2006 do not even include the option to use dial-up. However, there are exceptions to this, such as Vendetta Online, which can still run on a dial-up modem. ff782bc1db