Categories
Contemporary Issues in Sound Art

Concept

While I am in wild camping trip, cooking is one of the most excited part for the day. It is not just because I can have another chance to challenge my fire making skills, nor I would have a warm meal soon (although those time I usually starving), it is because the sound of cooking are so satisfying. The ‘bark’ sound of the firewoods, the bowling water bubbling sound, and the pan frying hissing echo in the night of the forest.

Then I started to think how about I can make everyday cooking as a sound performance. Cooking sounds are the sonic experience that everyone has, but when cooking, how many of them would really listen to it in this visucentric society. I am planning to use contact mic to record chopping sounds and hydrophone on the sink to record washing sound. The piece is gonna half hour-ish, which depends what meal I am going to cook. After Salomé lecture in week 22, about sonic knowledge, I started to think the sound of food making can shows the cooking quality. Hence, I am calling the piece: sonic recipe.

Categories
Aural Culture

Editing Audio Paper

Finally, I put all the recording together and edit them. Most of the time, I would try to cross-fade different recording. But In some of the recording, I found to use low pass filter to fade out are sound better. If it is from the recording that is louder and have wider range frequency (the ethnomusicologist recording), to a quieter sound (field recording), then using a low pass filter to fade are sound better and subtle to just use volume cross-fade.

When I am question about is the soundscape of the recoding really like this, used a filter to gain more high frequency when I said ‘Maybe it has a high frequency’. Then I turn the echo on and off in the field recording track while I said ‘More reverberation. Or less’. I found if I use reverb, the effects of adding and decreasing effects are not very noticeable, and audience may can’t tell the different, which will lost the point of doing. I also increase the volume in between line. However, for last example part, I increased the volume very little compare to the first one, as I want the audience listen the sound of the room rather than the field recoding. I also boots a little middle frequency of my voice as I want it always stand out from the background recording.

To end the audio paper, I found a field recoding that I did back in Hong Kong during summer. This recording is a departing light rail and it has distinct bell. I used the departing tram when the audio fade out, as I am leaving, the audio paper end. The reasons I pick this is because I want to echo the conclusion, of how field recording is personal. This recording is a value experience to me because this light rail only appear in my home town.

Categories
Aural Culture

Sound Archive & Field Recording

For the field recording in the audio paper, I used a field recording I did in Little Venice at night. I just want some field recording on the background under my voice to create a space. I also can be use as the example, while I am saying how audition and listen field recording are overlapping the acoustic of the that space. I also used the field recording I did in elephant and castle. I went to St Mary’s Churchyard (a park near LCC) since I want both little natural soundscape with heavy traffic. I like to record those traffic with a stereo pair to create a spatial effects when those cars past from one side to other.

For the sound archive, firstly I found Ludwig Koch first recording on BBC sound effect archive, alone with a Reindeer recording that  Roger Parry to shows how Zoologist record bioacoustics. Then I found Ivory-billed Woodpecker recording, that Peter P. Kellogg did in 1935, in Macaulay Library by the Cornell Lab of Ornithology. And I found recoding in UW Ethnomusicology Archives to show ethnomusicologist field recording sound like. Then I use Hildegard Westercamp – Kits Beach Soundwalk as she said how she used to filter out the city and shows how post-production of field recording being use in soundscape composition. Finally, I found Francisco Lopez, Manuela Barile and Tom Fisher composition as examples of how different field recordists used their field recording to make sound pieces. Most of their works, including Westercamp, can be found in Bandcamp or Sound Cloud.

Categories
Aural Culture

Voice

When I started to record the audio paper, I was thinking to record it outside because it seems more interesting and more fun to do. However, I started to think why do I need that? Is it related to what I am trying to say in audio paper? Not at all. Plus, If I record my voice outside, I can’t edit background soundscape. I am planning to add examples or different artist works or old field recoding, and if I record my voice outside, then the soundscape of the place, where I do my voice over, overlap the audio examples; plus what I said in the audio paper is how the acoustic of the playback double and layer the recording, so if I do it outside, there have three layering. But I want to keep it clean and simple, and in this way, the effects of how playback recording is not real can be seen(actually listen) clearly .

The mic I used is a SM58. The reason I use it not just because it has good quality on record voice, and also I will pickup less background noise as I am recording in my flat. I tried to record with my field recording stereo pair by Immersive Soundscape, and of course the condenser mic have cleaner and more natural sound, but it also capture too much details of my voice which I don’t like the clicks sound produce by the saliva when I am speaking. Therefore, I use SM58 at the end and record a clean voice rather record outside.

Categories
Aural Culture

In the Field

The book written by Cathy Lan and Angus Carlyle interviewed a lot field recordists. It is interesting to see different field recordists has different perspective, practice and methods in field recording. In this book, I discover a lot of other field recordists. Then I found Francisco Lopez practice is basically reflecting what I’m doing in the audio paper. He said in the interview when Cathy Lane asked him why him interested in field recording: ’I’m interested in the exploration of sonic reality… and field recording is a creative way of interacting with reality, rather than representing reality’.

I disscover Manuela Barile when I am reading the book(which I still reading it). Her practice is interesting. She like to use her voice as she is a singer and she mix field recording in a vocal practice. And she said she is looking for something that she feel is unique and which allows her the possibility of transmitting something of her perception about the world when she is looking for sound in the field; something that feels coherent and faithful to what she want to represent. It seems field recording are not just want to capture the soundscape or a sound sources, field recording is about the recordist experience since we can’t capture the whole soundscape. It is more the recordist experience rather than recreate(replaying) the experience to the audiences. The audience sonic experience while listen the a soundscape composition is a creation of the artists. It is more composing rather documenting.

Categories
Aural Culture

Research and Idea Development

I found an article written by Michael Gallagher. It have a lot of information about field recording. He state a lot of details of why field receding aren’t realistic. He stated that there are four style of field recording: nature style, soundscape style, acousmatic style and sound arts style. He argue that how field recording is representational, particularly in the soundscape and nature styles. Then he stated that field recording is performative.

In the recording process, the texture of the recording medium is shaped through an ensemble performance involving various human and more-than-human actants: the vibrations in the environment being recorded; its acoustic qualities of reflection and absorption; the recording apparatus of microphones, cables, preamplifiers, electrical currents, memory cards, batteries, and headphones;and the recordist’s ears, hands, and eyes. All of these forces and machines function together in a carefully orchestrated arrangement.

Micheal Gallagher, Field recording and the sounding of spaces, pp. 568

And how playback field recording is creating a ‘hybrid space’ where mixed with the acoustic of playback location. Furthermore, he talked about how field recording is superimposition and it related to political economy which I can’t include in my audio paper.

Categories
Specialising and Exhibiting E1

Reflection of Bela field recoding kit

In order to summit my project, I have to pick and put the recording to gather. When I listen my recording, I feel I am listening through plants. It relies on the soil, like what plant do and temperature shape the audio as well. In order to show how the kit sound like, I don’t want to edit too much of my recoding. At first, I was thinking to simply cut some of the receding I have with his kit can put all together with gap between every audio to indicate the differences of those recoding. But soon, I found even I crossfade those track, the uniqueness of every track are so obvious, even two track are recorded in the same place.

One of the problem of this kit is accessibility. Even I soldier all the pot, button and resister, it still got a lot of jumper wires, and it have to work with a recorder as preamp as well. So every time when I start recording, I took me a long time to set up, have to connect mic to recorder, then connect output to Bela and connect all the jumper wires to Bela, and have to setup the shout cable moisture sensor and peg it into ground. So it would be better if I can build a boxes to put all together and build a preamp in the kit as well so doesn’t have to use it with recorder.

Categories
Specialising and Exhibiting E1

Field Recording with Bela

I went to few places to test out the Bela recoding kit, one of them is St Mary’s Churchyard (a park near LCC). I used my stereo pair mic Earsight Standard made by Immersive Soundscape and my Zoom F3. The field recorder is used as mic amplifier and the send to Bela thought line output. The recoding experience is fascinating. The sensation is weird where I was in the space that I very used to its soundscape: the busy traffic, the infrastructure, the train, etc. But listen through Bela, I feel like I was in different space. I was there but not really. The sound is familiar yet alienated. Even in the same small park, the spot I choose to peg my sensor in are completely different. Of course, it can be because of the position of my mics changed, but also there is more things to change the sound I am listening to.

To contrast different soundscape of outdoor space, I went back to LCC to find some plants to record with as it have to rely on the soil to make it works. The bridge in the library have one of the most interesting sound. The reverberation in there already huge, and with the reverb that added in, it create a weird sonic space. The indoor space also have different temperature, hence, the texture of the receding are completely different.

Categories
Specialising and Exhibiting E1

Bela Recorder PD Patch

This is the final patch for this Bela Recorder patch. It receive stereo audio input from adc~ 1 and 2 and adc~ 3 content to *~ object to control input amplitude as a gain control. Then the audio signal go into rev~2 object. It is the reverb object have four inlet, volume reverb object, feedback(which they call it liveness),  Crossover frequency in Hz and High Freuqnecy damping. When we describe reverb, we will said wet and dry and I am literately using moisture sensor to control it. I am trying to questioning how field recording more realistic and reverb has most acoustic characters in effects. It can recreate an acsotic space. If the conventional way of doing field recording aren’t realistic, then can the space I recreated can be more real in terms of the experience and sensation in the field. So the moisture sensor send signal into the crossover frequency which the more moisture it get, the higher frequency I got in the reverb. The temperature sensor doing the opposite, the hotter it get, more high frequency will be damp and cut out. Then I all go into to writes~ to write files and dac~ to give me an output so I can monitor it while doing recording.

On the other side of the patch loadbang and message are to telling Bela what digital pin I am using. Number 18 is connected to a button which by using select object to trigger the toggle of the recorder. The reason why need a select object is because the button will send out signal when I release it. It would stop the recoding instantly. Number 17 is connected to LED light and it basically function as recording light. It will tell me if it is recoding or not as Bela didn’t have monitor or indicator at all. Finally, I have to copy and create a separate rev2~ patch since Bela didn’t have rev2~ object in Bela pure data.

rev2~
Categories
Specialising and Exhibiting E1

Hardware for Bela

When I first start the project, I ask Joanne if the Creative Tech Lab have resources that fit my project. After a while, when I start to build and try the hardware part, I borrow one of this sensor. It is DHT11, a temperature and humidity sensor. It sends out both temperature and humidity data in one out put and it is so compact. The hardware seem perfect for my project, however, it took me a week to try to decode the data as it combine both data in one channel. At first, I tried to find any coding sample in GitHub. It is a common sensor and a lot of manufacture produce it, but it is for arduino. All the sample code are for Arduino which I only know so little about it. If I use Arduino just for reading data and send it into Bela, which means I have to bring both Arduino and Bela to the field, plus the recorder as my mic amplifier, it is not efficient at all. Hence, I try to find any sample that can work in Bela, although both is running in same coding language, the software behind is completely different. After a week of doing research and attempt, I still can’t decode it. After chat with Milo and Michael from creative tech lab, I decide to use other sensor that use analog signal.

This is circuit of the hardware for Bela. Firstly, potentiometer connect in analog pin 0. Then the analog temperature sensor connect into analog pin 1 and moisture sensor connected into analog pin 2. The moisture sensor work completely different from DHT11. I measure the moisture of the soil instead of air. For the digital pin, pin 6 connected positive of LED light, and its negative side connected to ground through 10k resister. Pin 7 connected between button negative and 10k resister to ground. Finally, I after I tested it works good, I soldering it into a prefboard which can be more secure and more safe to bring out for field recording.